1 /*!
  2  * jQuery JavaScript Library v1.11.1
  3  * http://jquery.com/
  4  *
  5  * Includes Sizzle.js
  6  * http://sizzlejs.com/
  7  *
  8  * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
  9  * Released under the MIT license
 10  * http://jquery.org/license
 11  *
 12  * Date: 2014-05-01T17:42Z
 13  */
 14 
 15 (function( global, factory ) {
 16 
 17     if ( typeof module === "object" && typeof module.exports === "object" ) {
 18         // For CommonJS and CommonJS-like environments where a proper window is present,
 19         // execute the factory and get jQuery
 20         // For environments that do not inherently posses a window with a document
 21         // (such as Node.js), expose a jQuery-making factory as module.exports
 22         // This accentuates the need for the creation of a real window
 23         // e.g. var jQuery = require("jquery")(window);
 24         // See ticket #14549 for more info
 25         module.exports = global.document ?
 26             factory( global, true ) :
 27             function( w ) {
 28                 if ( !w.document ) {
 29                     throw new Error( "jQuery requires a window with a document" );
 30                 }
 31                 return factory( w );
 32             };
 33     } else {
 34         factory( global );
 35     }
 36 
 37 // Pass this if window is not defined yet
 38 }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
 39 
 40 // Can't do this because several apps including ASP.NET trace
 41 // the stack via arguments.caller.callee and Firefox dies if
 42 // you try to trace through "use strict" call chains. (#13335)
 43 // Support: Firefox 18+
 44 //
 45 
 46 var deletedIds = [];
 47 
 48 var slice = deletedIds.slice;
 49 
 50 var concat = deletedIds.concat;
 51 
 52 var push = deletedIds.push;
 53 
 54 var indexOf = deletedIds.indexOf;
 55 
 56 var class2type = {};
 57 
 58 var toString = class2type.toString;
 59 
 60 var hasOwn = class2type.hasOwnProperty;
 61 
 62 var support = {};
 63 
 64 
 65 
 66 var
 67     version = "1.11.1",
 68 
 69     // Define a local copy of jQuery
 70     jQuery = function( selector, context ) {
 71         // The jQuery object is actually just the init constructor 'enhanced'
 72         // Need init if jQuery is called (just allow error to be thrown if not included)
 73         return new jQuery.fn.init( selector, context );
 74     },
 75 
 76     // Support: Android<4.1, IE<9
 77     // Make sure we trim BOM and NBSP
 78     rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
 79 
 80     // Matches dashed string for camelizing
 81     rmsPrefix = /^-ms-/,
 82     rdashAlpha = /-([\da-z])/gi,
 83 
 84     // Used by jQuery.camelCase as callback to replace()
 85     fcamelCase = function( all, letter ) {
 86         return letter.toUpperCase();
 87     };
 88 
 89 jQuery.fn = jQuery.prototype = {
 90     // The current version of jQuery being used
 91     jquery: version,
 92 
 93     constructor: jQuery,
 94 
 95     // Start with an empty selector
 96     selector: "",
 97 
 98     // The default length of a jQuery object is 0
 99     length: 0,
100 
101     toArray: function() {
102         return slice.call( this );
103     },
104 
105     // Get the Nth element in the matched element set OR
106     // Get the whole matched element set as a clean array
107     get: function( num ) {
108         return num != null ?
109 
110             // Return just the one element from the set
111             ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
112 
113             // Return all the elements in a clean array
114             slice.call( this );
115     },
116 
117     // Take an array of elements and push it onto the stack
118     // (returning the new matched element set)
119     pushStack: function( elems ) {
120 
121         // Build a new jQuery matched element set
122         var ret = jQuery.merge( this.constructor(), elems );
123 
124         // Add the old object onto the stack (as a reference)
125         ret.prevObject = this;
126         ret.context = this.context;
127 
128         // Return the newly-formed element set
129         return ret;
130     },
131 
132     // Execute a callback for every element in the matched set.
133     // (You can seed the arguments with an array of args, but this is
134     // only used internally.)
135     each: function( callback, args ) {
136         return jQuery.each( this, callback, args );
137     },
138 
139     map: function( callback ) {
140         return this.pushStack( jQuery.map(this, function( elem, i ) {
141             return callback.call( elem, i, elem );
142         }));
143     },
144 
145     slice: function() {
146         return this.pushStack( slice.apply( this, arguments ) );
147     },
148 
149     first: function() {
150         return this.eq( 0 );
151     },
152 
153     last: function() {
154         return this.eq( -1 );
155     },
156 
157     eq: function( i ) {
158         var len = this.length,
159             j = +i + ( i < 0 ? len : 0 );
160         return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
161     },
162 
163     end: function() {
164         return this.prevObject || this.constructor(null);
165     },
166 
167     // For internal use only.
168     // Behaves like an Array's method, not like a jQuery method.
169     push: push,
170     sort: deletedIds.sort,
171     splice: deletedIds.splice
172 };
173 
174 jQuery.extend = jQuery.fn.extend = function() {
175     var src, copyIsArray, copy, name, options, clone,
176         target = arguments[0] || {},
177         i = 1,
178         length = arguments.length,
179         deep = false;
180 
181     // Handle a deep copy situation
182     if ( typeof target === "boolean" ) {
183         deep = target;
184 
185         // skip the boolean and the target
186         target = arguments[ i ] || {};
187         i++;
188     }
189 
190     // Handle case when target is a string or something (possible in deep copy)
191     if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
192         target = {};
193     }
194 
195     // extend jQuery itself if only one argument is passed
196     if ( i === length ) {
197         target = this;
198         i--;
199     }
200 
201     for ( ; i < length; i++ ) {
202         // Only deal with non-null/undefined values
203         if ( (options = arguments[ i ]) != null ) {
204             // Extend the base object
205             for ( name in options ) {
206                 src = target[ name ];
207                 copy = options[ name ];
208 
209                 // Prevent never-ending loop
210                 if ( target === copy ) {
211                     continue;
212                 }
213 
214                 // Recurse if we're merging plain objects or arrays
215                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
216                     if ( copyIsArray ) {
217                         copyIsArray = false;
218                         clone = src && jQuery.isArray(src) ? src : [];
219 
220                     } else {
221                         clone = src && jQuery.isPlainObject(src) ? src : {};
222                     }
223 
224                     // Never move original objects, clone them
225                     target[ name ] = jQuery.extend( deep, clone, copy );
226 
227                 // Don't bring in undefined values
228                 } else if ( copy !== undefined ) {
229                     target[ name ] = copy;
230                 }
231             }
232         }
233     }
234 
235     // Return the modified object
236     return target;
237 };
238 
239 jQuery.extend({
240     // Unique for each copy of jQuery on the page
241     expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
242 
243     // Assume jQuery is ready without the ready module
244     isReady: true,
245 
246     error: function( msg ) {
247         throw new Error( msg );
248     },
249 
250     noop: function() {},
251 
252     // See test/unit/core.js for details concerning isFunction.
253     // Since version 1.3, DOM methods and functions like alert
254     // aren't supported. They return false on IE (#2968).
255     isFunction: function( obj ) {
256         return jQuery.type(obj) === "function";
257     },
258 
259     isArray: Array.isArray || function( obj ) {
260         return jQuery.type(obj) === "array";
261     },
262 
263     isWindow: function( obj ) {
264         /* jshint eqeqeq: false */
265         return obj != null && obj == obj.window;
266     },
267 
268     isNumeric: function( obj ) {
269         // parseFloat NaNs numeric-cast false positives (null|true|false|"")
270         // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
271         // subtraction forces infinities to NaN
272         return !jQuery.isArray( obj ) && obj - parseFloat( obj ) >= 0;
273     },
274 
275     isEmptyObject: function( obj ) {
276         var name;
277         for ( name in obj ) {
278             return false;
279         }
280         return true;
281     },
282 
283     isPlainObject: function( obj ) {
284         var key;
285 
286         // Must be an Object.
287         // Because of IE, we also have to check the presence of the constructor property.
288         // Make sure that DOM nodes and window objects don't pass through, as well
289         if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
290             return false;
291         }
292 
293         try {
294             // Not own constructor property must be Object
295             if ( obj.constructor &&
296                 !hasOwn.call(obj, "constructor") &&
297                 !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
298                 return false;
299             }
300         } catch ( e ) {
301             // IE8,9 Will throw exceptions on certain host objects #9897
302             return false;
303         }
304 
305         // Support: IE<9
306         // Handle iteration over inherited properties before own properties.
307         if ( support.ownLast ) {
308             for ( key in obj ) {
309                 return hasOwn.call( obj, key );
310             }
311         }
312 
313         // Own properties are enumerated firstly, so to speed up,
314         // if last one is own, then all properties are own.
315         for ( key in obj ) {}
316 
317         return key === undefined || hasOwn.call( obj, key );
318     },
319 
320     type: function( obj ) {
321         if ( obj == null ) {
322             return obj + "";
323         }
324         return typeof obj === "object" || typeof obj === "function" ?
325             class2type[ toString.call(obj) ] || "object" :
326             typeof obj;
327     },
328 
329     // Evaluates a script in a global context
330     // Workarounds based on findings by Jim Driscoll
331     // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
332     globalEval: function( data ) {
333         if ( data && jQuery.trim( data ) ) {
334             // We use execScript on Internet Explorer
335             // We use an anonymous function so that context is window
336             // rather than jQuery in Firefox
337             ( window.execScript || function( data ) {
338                 window[ "eval" ].call( window, data );
339             } )( data );
340         }
341     },
342 
343     // Convert dashed to camelCase; used by the css and data modules
344     // Microsoft forgot to hump their vendor prefix (#9572)
345     camelCase: function( string ) {
346         return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
347     },
348 
349     nodeName: function( elem, name ) {
350         return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
351     },
352 
353     // args is for internal usage only
354     each: function( obj, callback, args ) {
355         var value,
356             i = 0,
357             length = obj.length,
358             isArray = isArraylike( obj );
359 
360         if ( args ) {
361             if ( isArray ) {
362                 for ( ; i < length; i++ ) {
363                     value = callback.apply( obj[ i ], args );
364 
365                     if ( value === false ) {
366                         break;
367                     }
368                 }
369             } else {
370                 for ( i in obj ) {
371                     value = callback.apply( obj[ i ], args );
372 
373                     if ( value === false ) {
374                         break;
375                     }
376                 }
377             }
378 
379         // A special, fast, case for the most common use of each
380         } else {
381             if ( isArray ) {
382                 for ( ; i < length; i++ ) {
383                     value = callback.call( obj[ i ], i, obj[ i ] );
384 
385                     if ( value === false ) {
386                         break;
387                     }
388                 }
389             } else {
390                 for ( i in obj ) {
391                     value = callback.call( obj[ i ], i, obj[ i ] );
392 
393                     if ( value === false ) {
394                         break;
395                     }
396                 }
397             }
398         }
399 
400         return obj;
401     },
402 
403     // Support: Android<4.1, IE<9
404     trim: function( text ) {
405         return text == null ?
406             "" :
407             ( text + "" ).replace( rtrim, "" );
408     },
409 
410     // results is for internal usage only
411     makeArray: function( arr, results ) {
412         var ret = results || [];
413 
414         if ( arr != null ) {
415             if ( isArraylike( Object(arr) ) ) {
416                 jQuery.merge( ret,
417                     typeof arr === "string" ?
418                     [ arr ] : arr
419                 );
420             } else {
421                 push.call( ret, arr );
422             }
423         }
424 
425         return ret;
426     },
427 
428     inArray: function( elem, arr, i ) {
429         var len;
430 
431         if ( arr ) {
432             if ( indexOf ) {
433                 return indexOf.call( arr, elem, i );
434             }
435 
436             len = arr.length;
437             i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
438 
439             for ( ; i < len; i++ ) {
440                 // Skip accessing in sparse arrays
441                 if ( i in arr && arr[ i ] === elem ) {
442                     return i;
443                 }
444             }
445         }
446 
447         return -1;
448     },
449 
450     merge: function( first, second ) {
451         var len = +second.length,
452             j = 0,
453             i = first.length;
454 
455         while ( j < len ) {
456             first[ i++ ] = second[ j++ ];
457         }
458 
459         // Support: IE<9
460         // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
461         if ( len !== len ) {
462             while ( second[j] !== undefined ) {
463                 first[ i++ ] = second[ j++ ];
464             }
465         }
466 
467         first.length = i;
468 
469         return first;
470     },
471 
472     grep: function( elems, callback, invert ) {
473         var callbackInverse,
474             matches = [],
475             i = 0,
476             length = elems.length,
477             callbackExpect = !invert;
478 
479         // Go through the array, only saving the items
480         // that pass the validator function
481         for ( ; i < length; i++ ) {
482             callbackInverse = !callback( elems[ i ], i );
483             if ( callbackInverse !== callbackExpect ) {
484                 matches.push( elems[ i ] );
485             }
486         }
487 
488         return matches;
489     },
490 
491     // arg is for internal usage only
492     map: function( elems, callback, arg ) {
493         var value,
494             i = 0,
495             length = elems.length,
496             isArray = isArraylike( elems ),
497             ret = [];
498 
499         // Go through the array, translating each of the items to their new values
500         if ( isArray ) {
501             for ( ; i < length; i++ ) {
502                 value = callback( elems[ i ], i, arg );
503 
504                 if ( value != null ) {
505                     ret.push( value );
506                 }
507             }
508 
509         // Go through every key on the object,
510         } else {
511             for ( i in elems ) {
512                 value = callback( elems[ i ], i, arg );
513 
514                 if ( value != null ) {
515                     ret.push( value );
516                 }
517             }
518         }
519 
520         // Flatten any nested arrays
521         return concat.apply( [], ret );
522     },
523 
524     // A global GUID counter for objects
525     guid: 1,
526 
527     // Bind a function to a context, optionally partially applying any
528     // arguments.
529     proxy: function( fn, context ) {
530         var args, proxy, tmp;
531 
532         if ( typeof context === "string" ) {
533             tmp = fn[ context ];
534             context = fn;
535             fn = tmp;
536         }
537 
538         // Quick check to determine if target is callable, in the spec
539         // this throws a TypeError, but we will just return undefined.
540         if ( !jQuery.isFunction( fn ) ) {
541             return undefined;
542         }
543 
544         // Simulated bind
545         args = slice.call( arguments, 2 );
546         proxy = function() {
547             return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
548         };
549 
550         // Set the guid of unique handler to the same of original handler, so it can be removed
551         proxy.guid = fn.guid = fn.guid || jQuery.guid++;
552 
553         return proxy;
554     },
555 
556     now: function() {
557         return +( new Date() );
558     },
559 
560     // jQuery.support is not used in Core but other projects attach their
561     // properties to it so it needs to exist.
562     support: support
563 });
564 
565 // Populate the class2type map
566 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
567     class2type[ "[object " + name + "]" ] = name.toLowerCase();
568 });
569 
570 function isArraylike( obj ) {
571     var length = obj.length,
572         type = jQuery.type( obj );
573 
574     if ( type === "function" || jQuery.isWindow( obj ) ) {
575         return false;
576     }
577 
578     if ( obj.nodeType === 1 && length ) {
579         return true;
580     }
581 
582     return type === "array" || length === 0 ||
583         typeof length === "number" && length > 0 && ( length - 1 ) in obj;
584 }
585 var Sizzle =
586 /*!
587  * Sizzle CSS Selector Engine v1.10.19
588  * http://sizzlejs.com/
589  *
590  * Copyright 2013 jQuery Foundation, Inc. and other contributors
591  * Released under the MIT license
592  * http://jquery.org/license
593  *
594  * Date: 2014-04-18
595  */
596 (function( window ) {
597 
598 var i,
599     support,
600     Expr,
601     getText,
602     isXML,
603     tokenize,
604     compile,
605     select,
606     outermostContext,
607     sortInput,
608     hasDuplicate,
609 
610     // Local document vars
611     setDocument,
612     document,
613     docElem,
614     documentIsHTML,
615     rbuggyQSA,
616     rbuggyMatches,
617     matches,
618     contains,
619 
620     // Instance-specific data
621     expando = "sizzle" + -(new Date()),
622     preferredDoc = window.document,
623     dirruns = 0,
624     done = 0,
625     classCache = createCache(),
626     tokenCache = createCache(),
627     compilerCache = createCache(),
628     sortOrder = function( a, b ) {
629         if ( a === b ) {
630             hasDuplicate = true;
631         }
632         return 0;
633     },
634 
635     // General-purpose constants
636     strundefined = typeof undefined,
637     MAX_NEGATIVE = 1 << 31,
638 
639     // Instance methods
640     hasOwn = ({}).hasOwnProperty,
641     arr = [],
642     pop = arr.pop,
643     push_native = arr.push,
644     push = arr.push,
645     slice = arr.slice,
646     // Use a stripped-down indexOf if we can't use a native one
647     indexOf = arr.indexOf || function( elem ) {
648         var i = 0,
649             len = this.length;
650         for ( ; i < len; i++ ) {
651             if ( this[i] === elem ) {
652                 return i;
653             }
654         }
655         return -1;
656     },
657 
658     booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
659 
660     // Regular expressions
661 
662     // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
663     whitespace = "[\\x20\\t\\r\\n\\f]",
664     // http://www.w3.org/TR/css3-syntax/#characters
665     characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
666 
667     // Loosely modeled on CSS identifier characters
668     // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
669     // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
670     identifier = characterEncoding.replace( "w", "w#" ),
671 
672     // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
673     attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace +
674         // Operator (capture 2)
675         "*([*^$|!~]?=)" + whitespace +
676         // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
677         "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
678         "*\\]",
679 
680     pseudos = ":(" + characterEncoding + ")(?:\\((" +
681         // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
682         // 1. quoted (capture 3; capture 4 or capture 5)
683         "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
684         // 2. simple (capture 6)
685         "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
686         // 3. anything else (capture 2)
687         ".*" +
688         ")\\)|)",
689 
690     // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
691     rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
692 
693     rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
694     rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
695 
696     rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
697 
698     rpseudo = new RegExp( pseudos ),
699     ridentifier = new RegExp( "^" + identifier + "$" ),
700 
701     matchExpr = {
702         "ID": new RegExp( "^#(" + characterEncoding + ")" ),
703         "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
704         "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
705         "ATTR": new RegExp( "^" + attributes ),
706         "PSEUDO": new RegExp( "^" + pseudos ),
707         "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
708             "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
709             "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
710         "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
711         // For use in libraries implementing .is()
712         // We use this for POS matching in `select`
713         "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
714             whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
715     },
716 
717     rinputs = /^(?:input|select|textarea|button)$/i,
718     rheader = /^h\d$/i,
719 
720     rnative = /^[^{]+\{\s*\[native \w/,
721 
722     // Easily-parseable/retrievable ID or TAG or CLASS selectors
723     rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
724 
725     rsibling = /[+~]/,
726     rescape = /'|\\/g,
727 
728     // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
729     runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
730     funescape = function( _, escaped, escapedWhitespace ) {
731         var high = "0x" + escaped - 0x10000;
732         // NaN means non-codepoint
733         // Support: Firefox<24
734         // Workaround erroneous numeric interpretation of +"0x"
735         return high !== high || escapedWhitespace ?
736             escaped :
737             high < 0 ?
738                 // BMP codepoint
739                 String.fromCharCode( high + 0x10000 ) :
740                 // Supplemental Plane codepoint (surrogate pair)
741                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
742     };
743 
744 // Optimize for push.apply( _, NodeList )
745 try {
746     push.apply(
747         (arr = slice.call( preferredDoc.childNodes )),
748         preferredDoc.childNodes
749     );
750     // Support: Android<4.0
751     // Detect silently failing push.apply
752     arr[ preferredDoc.childNodes.length ].nodeType;
753 } catch ( e ) {
754     push = { apply: arr.length ?
755 
756         // Leverage slice if possible
757         function( target, els ) {
758             push_native.apply( target, slice.call(els) );
759         } :
760 
761         // Support: IE<9
762         // Otherwise append directly
763         function( target, els ) {
764             var j = target.length,
765                 i = 0;
766             // Can't trust NodeList.length
767             while ( (target[j++] = els[i++]) ) {}
768             target.length = j - 1;
769         }
770     };
771 }
772 
773 function Sizzle( selector, context, results, seed ) {
774     var match, elem, m, nodeType,
775         // QSA vars
776         i, groups, old, nid, newContext, newSelector;
777 
778     if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
779         setDocument( context );
780     }
781 
782     context = context || document;
783     results = results || [];
784 
785     if ( !selector || typeof selector !== "string" ) {
786         return results;
787     }
788 
789     if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
790         return [];
791     }
792 
793     if ( documentIsHTML && !seed ) {
794 
795         // Shortcuts
796         if ( (match = rquickExpr.exec( selector )) ) {
797             // Speed-up: Sizzle("#ID")
798             if ( (m = match[1]) ) {
799                 if ( nodeType === 9 ) {
800                     elem = context.getElementById( m );
801                     // Check parentNode to catch when Blackberry 4.6 returns
802                     // nodes that are no longer in the document (jQuery #6963)
803                     if ( elem && elem.parentNode ) {
804                         // Handle the case where IE, Opera, and Webkit return items
805                         // by name instead of ID
806                         if ( elem.id === m ) {
807                             results.push( elem );
808                             return results;
809                         }
810                     } else {
811                         return results;
812                     }
813                 } else {
814                     // Context is not a document
815                     if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
816                         contains( context, elem ) && elem.id === m ) {
817                         results.push( elem );
818                         return results;
819                     }
820                 }
821 
822             // Speed-up: Sizzle("TAG")
823             } else if ( match[2] ) {
824                 push.apply( results, context.getElementsByTagName( selector ) );
825                 return results;
826 
827             // Speed-up: Sizzle(".CLASS")
828             } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
829                 push.apply( results, context.getElementsByClassName( m ) );
830                 return results;
831             }
832         }
833 
834         // QSA path
835         if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
836             nid = old = expando;
837             newContext = context;
838             newSelector = nodeType === 9 && selector;
839 
840             // qSA works strangely on Element-rooted queries
841             // We can work around this by specifying an extra ID on the root
842             // and working up from there (Thanks to Andrew Dupont for the technique)
843             // IE 8 doesn't work on object elements
844             if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
845                 groups = tokenize( selector );
846 
847                 if ( (old = context.getAttribute("id")) ) {
848                     nid = old.replace( rescape, "\\$&" );
849                 } else {
850                     context.setAttribute( "id", nid );
851                 }
852                 nid = "[id='" + nid + "'] ";
853 
854                 i = groups.length;
855                 while ( i-- ) {
856                     groups[i] = nid + toSelector( groups[i] );
857                 }
858                 newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
859                 newSelector = groups.join(",");
860             }
861 
862             if ( newSelector ) {
863                 try {
864                     push.apply( results,
865                         newContext.querySelectorAll( newSelector )
866                     );
867                     return results;
868                 } catch(qsaError) {
869                 } finally {
870                     if ( !old ) {
871                         context.removeAttribute("id");
872                     }
873                 }
874             }
875         }
876     }
877 
878     // All others
879     return select( selector.replace( rtrim, "$1" ), context, results, seed );
880 }
881 
882 /**
883  * Create key-value caches of limited size
884  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
885  *  property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
886  *  deleting the oldest entry
887  */
888 function createCache() {
889     var keys = [];
890 
891     function cache( key, value ) {
892         // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
893         if ( keys.push( key + " " ) > Expr.cacheLength ) {
894             // Only keep the most recent entries
895             delete cache[ keys.shift() ];
896         }
897         return (cache[ key + " " ] = value);
898     }
899     return cache;
900 }
901 
902 /**
903  * Mark a function for special use by Sizzle
904  * @param {Function} fn The function to mark
905  */
906 function markFunction( fn ) {
907     fn[ expando ] = true;
908     return fn;
909 }
910 
911 /**
912  * Support testing using an element
913  * @param {Function} fn Passed the created div and expects a boolean result
914  */
915 function assert( fn ) {
916     var div = document.createElement("div");
917 
918     try {
919         return !!fn( div );
920     } catch (e) {
921         return false;
922     } finally {
923         // Remove from its parent by default
924         if ( div.parentNode ) {
925             div.parentNode.removeChild( div );
926         }
927         // release memory in IE
928         div = null;
929     }
930 }
931 
932 /**
933  * Adds the same handler for all of the specified attrs
934  * @param {String} attrs Pipe-separated list of attributes
935  * @param {Function} handler The method that will be applied
936  */
937 function addHandle( attrs, handler ) {
938     var arr = attrs.split("|"),
939         i = attrs.length;
940 
941     while ( i-- ) {
942         Expr.attrHandle[ arr[i] ] = handler;
943     }
944 }
945 
946 /**
947  * Checks document order of two siblings
948  * @param {Element} a
949  * @param {Element} b
950  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
951  */
952 function siblingCheck( a, b ) {
953     var cur = b && a,
954         diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
955             ( ~b.sourceIndex || MAX_NEGATIVE ) -
956             ( ~a.sourceIndex || MAX_NEGATIVE );
957 
958     // Use IE sourceIndex if available on both nodes
959     if ( diff ) {
960         return diff;
961     }
962 
963     // Check if b follows a
964     if ( cur ) {
965         while ( (cur = cur.nextSibling) ) {
966             if ( cur === b ) {
967                 return -1;
968             }
969         }
970     }
971 
972     return a ? 1 : -1;
973 }
974 
975 /**
976  * Returns a function to use in pseudos for input types
977  * @param {String} type
978  */
979 function createInputPseudo( type ) {
980     return function( elem ) {
981         var name = elem.nodeName.toLowerCase();
982         return name === "input" && elem.type === type;
983     };
984 }
985 
986 /**
987  * Returns a function to use in pseudos for buttons
988  * @param {String} type
989  */
990 function createButtonPseudo( type ) {
991     return function( elem ) {
992         var name = elem.nodeName.toLowerCase();
993         return (name === "input" || name === "button") && elem.type === type;
994     };
995 }
996 
997 /**
998  * Returns a function to use in pseudos for positionals
999  * @param {Function} fn
1000  */
1001 function createPositionalPseudo( fn ) {
1002     return markFunction(function( argument ) {
1003         argument = +argument;
1004         return markFunction(function( seed, matches ) {
1005             var j,
1006                 matchIndexes = fn( [], seed.length, argument ),
1007                 i = matchIndexes.length;
1008 
1009             // Match elements found at the specified indexes
1010             while ( i-- ) {
1011                 if ( seed[ (j = matchIndexes[i]) ] ) {
1012                     seed[j] = !(matches[j] = seed[j]);
1013                 }
1014             }
1015         });
1016     });
1017 }
1018 
1019 /**
1020  * Checks a node for validity as a Sizzle context
1021  * @param {Element|Object=} context
1022  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1023  */
1024 function testContext( context ) {
1025     return context && typeof context.getElementsByTagName !== strundefined && context;
1026 }
1027 
1028 // Expose support vars for convenience
1029 support = Sizzle.support = {};
1030 
1031 /**
1032  * Detects XML nodes
1033  * @param {Element|Object} elem An element or a document
1034  * @returns {Boolean} True iff elem is a non-HTML XML node
1035  */
1036 isXML = Sizzle.isXML = function( elem ) {
1037     // documentElement is verified for cases where it doesn't yet exist
1038     // (such as loading iframes in IE - #4833)
1039     var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1040     return documentElement ? documentElement.nodeName !== "HTML" : false;
1041 };
1042 
1043 /**
1044  * Sets document-related variables once based on the current document
1045  * @param {Element|Object} [doc] An element or document object to use to set the document
1046  * @returns {Object} Returns the current document
1047  */
1048 setDocument = Sizzle.setDocument = function( node ) {
1049     var hasCompare,
1050         doc = node ? node.ownerDocument || node : preferredDoc,
1051         parent = doc.defaultView;
1052 
1053     // If no document and documentElement is available, return
1054     if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1055         return document;
1056     }
1057 
1058     // Set our document
1059     document = doc;
1060     docElem = doc.documentElement;
1061 
1062     // Support tests
1063     documentIsHTML = !isXML( doc );
1064 
1065     // Support: IE>8
1066     // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1067     // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1068     // IE6-8 do not support the defaultView property so parent will be undefined
1069     if ( parent && parent !== parent.top ) {
1070         // IE11 does not have attachEvent, so all must suffer
1071         if ( parent.addEventListener ) {
1072             parent.addEventListener( "unload", function() {
1073                 setDocument();
1074             }, false );
1075         } else if ( parent.attachEvent ) {
1076             parent.attachEvent( "onunload", function() {
1077                 setDocument();
1078             });
1079         }
1080     }
1081 
1082     /* Attributes
1083     ---------------------------------------------------------------------- */
1084 
1085     // Support: IE<8
1086     // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
1087     support.attributes = assert(function( div ) {
1088         div.className = "i";
1089         return !div.getAttribute("className");
1090     });
1091 
1092     /* getElement(s)By*
1093     ---------------------------------------------------------------------- */
1094 
1095     // Check if getElementsByTagName("*") returns only elements
1096     support.getElementsByTagName = assert(function( div ) {
1097         div.appendChild( doc.createComment("") );
1098         return !div.getElementsByTagName("*").length;
1099     });
1100 
1101     // Check if getElementsByClassName can be trusted
1102     support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
1103         div.innerHTML = "<div class='a'></div><div class='a i'></div>";
1104 
1105         // Support: Safari<4
1106         // Catch class over-caching
1107         div.firstChild.className = "i";
1108         // Support: Opera<10
1109         // Catch gEBCN failure to find non-leading classes
1110         return div.getElementsByClassName("i").length === 2;
1111     });
1112 
1113     // Support: IE<10
1114     // Check if getElementById returns elements by name
1115     // The broken getElementById methods don't pick up programatically-set names,
1116     // so use a roundabout getElementsByName test
1117     support.getById = assert(function( div ) {
1118         docElem.appendChild( div ).id = expando;
1119         return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1120     });
1121 
1122     // ID find and filter
1123     if ( support.getById ) {
1124         Expr.find["ID"] = function( id, context ) {
1125             if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
1126                 var m = context.getElementById( id );
1127                 // Check parentNode to catch when Blackberry 4.6 returns
1128                 // nodes that are no longer in the document #6963
1129                 return m && m.parentNode ? [ m ] : [];
1130             }
1131         };
1132         Expr.filter["ID"] = function( id ) {
1133             var attrId = id.replace( runescape, funescape );
1134             return function( elem ) {
1135                 return elem.getAttribute("id") === attrId;
1136             };
1137         };
1138     } else {
1139         // Support: IE6/7
1140         // getElementById is not reliable as a find shortcut
1141         delete Expr.find["ID"];
1142 
1143         Expr.filter["ID"] =  function( id ) {
1144             var attrId = id.replace( runescape, funescape );
1145             return function( elem ) {
1146                 var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
1147                 return node && node.value === attrId;
1148             };
1149         };
1150     }
1151 
1152     // Tag
1153     Expr.find["TAG"] = support.getElementsByTagName ?
1154         function( tag, context ) {
1155             if ( typeof context.getElementsByTagName !== strundefined ) {
1156                 return context.getElementsByTagName( tag );
1157             }
1158         } :
1159         function( tag, context ) {
1160             var elem,
1161                 tmp = [],
1162                 i = 0,
1163                 results = context.getElementsByTagName( tag );
1164 
1165             // Filter out possible comments
1166             if ( tag === "*" ) {
1167                 while ( (elem = results[i++]) ) {
1168                     if ( elem.nodeType === 1 ) {
1169                         tmp.push( elem );
1170                     }
1171                 }
1172 
1173                 return tmp;
1174             }
1175             return results;
1176         };
1177 
1178     // Class
1179     Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1180         if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
1181             return context.getElementsByClassName( className );
1182         }
1183     };
1184 
1185     /* QSA/matchesSelector
1186     ---------------------------------------------------------------------- */
1187 
1188     // QSA and matchesSelector support
1189 
1190     // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1191     rbuggyMatches = [];
1192 
1193     // qSa(:focus) reports false when true (Chrome 21)
1194     // We allow this because of a bug in IE8/9 that throws an error
1195     // whenever `document.activeElement` is accessed on an iframe
1196     // So, we allow :focus to pass through QSA all the time to avoid the IE error
1197     // See http://bugs.jquery.com/ticket/13378
1198     rbuggyQSA = [];
1199 
1200     if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1201         // Build QSA regex
1202         // Regex strategy adopted from Diego Perini
1203         assert(function( div ) {
1204             // Select is set to empty string on purpose
1205             // This is to test IE's treatment of not explicitly
1206             // setting a boolean content attribute,
1207             // since its presence should be enough
1208             // http://bugs.jquery.com/ticket/12359
1209             div.innerHTML = "<select msallowclip=''><option selected=''></option></select>";
1210 
1211             // Support: IE8, Opera 11-12.16
1212             // Nothing should be selected when empty strings follow ^= or $= or *=
1213             // The test attribute must be unknown in Opera but "safe" for WinRT
1214             // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1215             if ( div.querySelectorAll("[msallowclip^='']").length ) {
1216                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1217             }
1218 
1219             // Support: IE8
1220             // Boolean attributes and "value" are not treated correctly
1221             if ( !div.querySelectorAll("[selected]").length ) {
1222                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1223             }
1224 
1225             // Webkit/Opera - :checked should return selected option elements
1226             // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1227             // IE8 throws error here and will not see later tests
1228             if ( !div.querySelectorAll(":checked").length ) {
1229                 rbuggyQSA.push(":checked");
1230             }
1231         });
1232 
1233         assert(function( div ) {
1234             // Support: Windows 8 Native Apps
1235             // The type and name attributes are restricted during .innerHTML assignment
1236             var input = doc.createElement("input");
1237             input.setAttribute( "type", "hidden" );
1238             div.appendChild( input ).setAttribute( "name", "D" );
1239 
1240             // Support: IE8
1241             // Enforce case-sensitivity of name attribute
1242             if ( div.querySelectorAll("[name=d]").length ) {
1243                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1244             }
1245 
1246             // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1247             // IE8 throws error here and will not see later tests
1248             if ( !div.querySelectorAll(":enabled").length ) {
1249                 rbuggyQSA.push( ":enabled", ":disabled" );
1250             }
1251 
1252             // Opera 10-11 does not throw on post-comma invalid pseudos
1253             div.querySelectorAll("*,:x");
1254             rbuggyQSA.push(",.*:");
1255         });
1256     }
1257 
1258     if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1259         docElem.webkitMatchesSelector ||
1260         docElem.mozMatchesSelector ||
1261         docElem.oMatchesSelector ||
1262         docElem.msMatchesSelector) )) ) {
1263 
1264         assert(function( div ) {
1265             // Check to see if it's possible to do matchesSelector
1266             // on a disconnected node (IE 9)
1267             support.disconnectedMatch = matches.call( div, "div" );
1268 
1269             // This should fail with an exception
1270             // Gecko does not error, returns false instead
1271             matches.call( div, "[s!='']:x" );
1272             rbuggyMatches.push( "!=", pseudos );
1273         });
1274     }
1275 
1276     rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1277     rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1278 
1279     /* Contains
1280     ---------------------------------------------------------------------- */
1281     hasCompare = rnative.test( docElem.compareDocumentPosition );
1282 
1283     // Element contains another
1284     // Purposefully does not implement inclusive descendent
1285     // As in, an element does not contain itself
1286     contains = hasCompare || rnative.test( docElem.contains ) ?
1287         function( a, b ) {
1288             var adown = a.nodeType === 9 ? a.documentElement : a,
1289                 bup = b && b.parentNode;
1290             return a === bup || !!( bup && bup.nodeType === 1 && (
1291                 adown.contains ?
1292                     adown.contains( bup ) :
1293                     a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1294             ));
1295         } :
1296         function( a, b ) {
1297             if ( b ) {
1298                 while ( (b = b.parentNode) ) {
1299                     if ( b === a ) {
1300                         return true;
1301                     }
1302                 }
1303             }
1304             return false;
1305         };
1306 
1307     /* Sorting
1308     ---------------------------------------------------------------------- */
1309 
1310     // Document order sorting
1311     sortOrder = hasCompare ?
1312     function( a, b ) {
1313 
1314         // Flag for duplicate removal
1315         if ( a === b ) {
1316             hasDuplicate = true;
1317             return 0;
1318         }
1319 
1320         // Sort on method existence if only one input has compareDocumentPosition
1321         var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1322         if ( compare ) {
1323             return compare;
1324         }
1325 
1326         // Calculate position if both inputs belong to the same document
1327         compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1328             a.compareDocumentPosition( b ) :
1329 
1330             // Otherwise we know they are disconnected
1331             1;
1332 
1333         // Disconnected nodes
1334         if ( compare & 1 ||
1335             (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1336 
1337             // Choose the first element that is related to our preferred document
1338             if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1339                 return -1;
1340             }
1341             if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1342                 return 1;
1343             }
1344 
1345             // Maintain original order
1346             return sortInput ?
1347                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1348                 0;
1349         }
1350 
1351         return compare & 4 ? -1 : 1;
1352     } :
1353     function( a, b ) {
1354         // Exit early if the nodes are identical
1355         if ( a === b ) {
1356             hasDuplicate = true;
1357             return 0;
1358         }
1359 
1360         var cur,
1361             i = 0,
1362             aup = a.parentNode,
1363             bup = b.parentNode,
1364             ap = [ a ],
1365             bp = [ b ];
1366 
1367         // Parentless nodes are either documents or disconnected
1368         if ( !aup || !bup ) {
1369             return a === doc ? -1 :
1370                 b === doc ? 1 :
1371                 aup ? -1 :
1372                 bup ? 1 :
1373                 sortInput ?
1374                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1375                 0;
1376 
1377         // If the nodes are siblings, we can do a quick check
1378         } else if ( aup === bup ) {
1379             return siblingCheck( a, b );
1380         }
1381 
1382         // Otherwise we need full lists of their ancestors for comparison
1383         cur = a;
1384         while ( (cur = cur.parentNode) ) {
1385             ap.unshift( cur );
1386         }
1387         cur = b;
1388         while ( (cur = cur.parentNode) ) {
1389             bp.unshift( cur );
1390         }
1391 
1392         // Walk down the tree looking for a discrepancy
1393         while ( ap[i] === bp[i] ) {
1394             i++;
1395         }
1396 
1397         return i ?
1398             // Do a sibling check if the nodes have a common ancestor
1399             siblingCheck( ap[i], bp[i] ) :
1400 
1401             // Otherwise nodes in our document sort first
1402             ap[i] === preferredDoc ? -1 :
1403             bp[i] === preferredDoc ? 1 :
1404             0;
1405     };
1406 
1407     return doc;
1408 };
1409 
1410 Sizzle.matches = function( expr, elements ) {
1411     return Sizzle( expr, null, null, elements );
1412 };
1413 
1414 Sizzle.matchesSelector = function( elem, expr ) {
1415     // Set document vars if needed
1416     if ( ( elem.ownerDocument || elem ) !== document ) {
1417         setDocument( elem );
1418     }
1419 
1420     // Make sure that attribute selectors are quoted
1421     expr = expr.replace( rattributeQuotes, "='$1']" );
1422 
1423     if ( support.matchesSelector && documentIsHTML &&
1424         ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1425         ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1426 
1427         try {
1428             var ret = matches.call( elem, expr );
1429 
1430             // IE 9's matchesSelector returns false on disconnected nodes
1431             if ( ret || support.disconnectedMatch ||
1432                     // As well, disconnected nodes are said to be in a document
1433                     // fragment in IE 9
1434                     elem.document && elem.document.nodeType !== 11 ) {
1435                 return ret;
1436             }
1437         } catch(e) {}
1438     }
1439 
1440     return Sizzle( expr, document, null, [ elem ] ).length > 0;
1441 };
1442 
1443 Sizzle.contains = function( context, elem ) {
1444     // Set document vars if needed
1445     if ( ( context.ownerDocument || context ) !== document ) {
1446         setDocument( context );
1447     }
1448     return contains( context, elem );
1449 };
1450 
1451 Sizzle.attr = function( elem, name ) {
1452     // Set document vars if needed
1453     if ( ( elem.ownerDocument || elem ) !== document ) {
1454         setDocument( elem );
1455     }
1456 
1457     var fn = Expr.attrHandle[ name.toLowerCase() ],
1458         // Don't get fooled by Object.prototype properties (jQuery #13807)
1459         val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1460             fn( elem, name, !documentIsHTML ) :
1461             undefined;
1462 
1463     return val !== undefined ?
1464         val :
1465         support.attributes || !documentIsHTML ?
1466             elem.getAttribute( name ) :
1467             (val = elem.getAttributeNode(name)) && val.specified ?
1468                 val.value :
1469                 null;
1470 };
1471 
1472 Sizzle.error = function( msg ) {
1473     throw new Error( "Syntax error, unrecognized expression: " + msg );
1474 };
1475 
1476 /**
1477  * Document sorting and removing duplicates
1478  * @param {ArrayLike} results
1479  */
1480 Sizzle.uniqueSort = function( results ) {
1481     var elem,
1482         duplicates = [],
1483         j = 0,
1484         i = 0;
1485 
1486     // Unless we *know* we can detect duplicates, assume their presence
1487     hasDuplicate = !support.detectDuplicates;
1488     sortInput = !support.sortStable && results.slice( 0 );
1489     results.sort( sortOrder );
1490 
1491     if ( hasDuplicate ) {
1492         while ( (elem = results[i++]) ) {
1493             if ( elem === results[ i ] ) {
1494                 j = duplicates.push( i );
1495             }
1496         }
1497         while ( j-- ) {
1498             results.splice( duplicates[ j ], 1 );
1499         }
1500     }
1501 
1502     // Clear input after sorting to release objects
1503     // See https://github.com/jquery/sizzle/pull/225
1504     sortInput = null;
1505 
1506     return results;
1507 };
1508 
1509 /**
1510  * Utility function for retrieving the text value of an array of DOM nodes
1511  * @param {Array|Element} elem
1512  */
1513 getText = Sizzle.getText = function( elem ) {
1514     var node,
1515         ret = "",
1516         i = 0,
1517         nodeType = elem.nodeType;
1518 
1519     if ( !nodeType ) {
1520         // If no nodeType, this is expected to be an array
1521         while ( (node = elem[i++]) ) {
1522             // Do not traverse comment nodes
1523             ret += getText( node );
1524         }
1525     } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1526         // Use textContent for elements
1527         // innerText usage removed for consistency of new lines (jQuery #11153)
1528         if ( typeof elem.textContent === "string" ) {
1529             return elem.textContent;
1530         } else {
1531             // Traverse its children
1532             for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1533                 ret += getText( elem );
1534             }
1535         }
1536     } else if ( nodeType === 3 || nodeType === 4 ) {
1537         return elem.nodeValue;
1538     }
1539     // Do not include comment or processing instruction nodes
1540 
1541     return ret;
1542 };
1543 
1544 Expr = Sizzle.selectors = {
1545 
1546     // Can be adjusted by the user
1547     cacheLength: 50,
1548 
1549     createPseudo: markFunction,
1550 
1551     match: matchExpr,
1552 
1553     attrHandle: {},
1554 
1555     find: {},
1556 
1557     relative: {
1558         ">": { dir: "parentNode", first: true },
1559         " ": { dir: "parentNode" },
1560         "+": { dir: "previousSibling", first: true },
1561         "~": { dir: "previousSibling" }
1562     },
1563 
1564     preFilter: {
1565         "ATTR": function( match ) {
1566             match[1] = match[1].replace( runescape, funescape );
1567 
1568             // Move the given value to match[3] whether quoted or unquoted
1569             match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1570 
1571             if ( match[2] === "~=" ) {
1572                 match[3] = " " + match[3] + " ";
1573             }
1574 
1575             return match.slice( 0, 4 );
1576         },
1577 
1578         "CHILD": function( match ) {
1579             /* matches from matchExpr["CHILD"]
1580                 1 type (only|nth|...)
1581                 2 what (child|of-type)
1582                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1583                 4 xn-component of xn+y argument ([+-]?\d*n|)
1584                 5 sign of xn-component
1585                 6 x of xn-component
1586                 7 sign of y-component
1587                 8 y of y-component
1588             */
1589             match[1] = match[1].toLowerCase();
1590 
1591             if ( match[1].slice( 0, 3 ) === "nth" ) {
1592                 // nth-* requires argument
1593                 if ( !match[3] ) {
1594                     Sizzle.error( match[0] );
1595                 }
1596 
1597                 // numeric x and y parameters for Expr.filter.CHILD
1598                 // remember that false/true cast respectively to 0/1
1599                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1600                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1601 
1602             // other types prohibit arguments
1603             } else if ( match[3] ) {
1604                 Sizzle.error( match[0] );
1605             }
1606 
1607             return match;
1608         },
1609 
1610         "PSEUDO": function( match ) {
1611             var excess,
1612                 unquoted = !match[6] && match[2];
1613 
1614             if ( matchExpr["CHILD"].test( match[0] ) ) {
1615                 return null;
1616             }
1617 
1618             // Accept quoted arguments as-is
1619             if ( match[3] ) {
1620                 match[2] = match[4] || match[5] || "";
1621 
1622             // Strip excess characters from unquoted arguments
1623             } else if ( unquoted && rpseudo.test( unquoted ) &&
1624                 // Get excess from tokenize (recursively)
1625                 (excess = tokenize( unquoted, true )) &&
1626                 // advance to the next closing parenthesis
1627                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1628 
1629                 // excess is a negative index
1630                 match[0] = match[0].slice( 0, excess );
1631                 match[2] = unquoted.slice( 0, excess );
1632             }
1633 
1634             // Return only captures needed by the pseudo filter method (type and argument)
1635             return match.slice( 0, 3 );
1636         }
1637     },
1638 
1639     filter: {
1640 
1641         "TAG": function( nodeNameSelector ) {
1642             var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1643             return nodeNameSelector === "*" ?
1644                 function() { return true; } :
1645                 function( elem ) {
1646                     return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1647                 };
1648         },
1649 
1650         "CLASS": function( className ) {
1651             var pattern = classCache[ className + " " ];
1652 
1653             return pattern ||
1654                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1655                 classCache( className, function( elem ) {
1656                     return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
1657                 });
1658         },
1659 
1660         "ATTR": function( name, operator, check ) {
1661             return function( elem ) {
1662                 var result = Sizzle.attr( elem, name );
1663 
1664                 if ( result == null ) {
1665                     return operator === "!=";
1666                 }
1667                 if ( !operator ) {
1668                     return true;
1669                 }
1670 
1671                 result += "";
1672 
1673                 return operator === "=" ? result === check :
1674                     operator === "!=" ? result !== check :
1675                     operator === "^=" ? check && result.indexOf( check ) === 0 :
1676                     operator === "*=" ? check && result.indexOf( check ) > -1 :
1677                     operator === "$=" ? check && result.slice( -check.length ) === check :
1678                     operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
1679                     operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1680                     false;
1681             };
1682         },
1683 
1684         "CHILD": function( type, what, argument, first, last ) {
1685             var simple = type.slice( 0, 3 ) !== "nth",
1686                 forward = type.slice( -4 ) !== "last",
1687                 ofType = what === "of-type";
1688 
1689             return first === 1 && last === 0 ?
1690 
1691                 // Shortcut for :nth-*(n)
1692                 function( elem ) {
1693                     return !!elem.parentNode;
1694                 } :
1695 
1696                 function( elem, context, xml ) {
1697                     var cache, outerCache, node, diff, nodeIndex, start,
1698                         dir = simple !== forward ? "nextSibling" : "previousSibling",
1699                         parent = elem.parentNode,
1700                         name = ofType && elem.nodeName.toLowerCase(),
1701                         useCache = !xml && !ofType;
1702 
1703                     if ( parent ) {
1704 
1705                         // :(first|last|only)-(child|of-type)
1706                         if ( simple ) {
1707                             while ( dir ) {
1708                                 node = elem;
1709                                 while ( (node = node[ dir ]) ) {
1710                                     if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
1711                                         return false;
1712                                     }
1713                                 }
1714                                 // Reverse direction for :only-* (if we haven't yet done so)
1715                                 start = dir = type === "only" && !start && "nextSibling";
1716                             }
1717                             return true;
1718                         }
1719 
1720                         start = [ forward ? parent.firstChild : parent.lastChild ];
1721 
1722                         // non-xml :nth-child(...) stores cache data on `parent`
1723                         if ( forward && useCache ) {
1724                             // Seek `elem` from a previously-cached index
1725                             outerCache = parent[ expando ] || (parent[ expando ] = {});
1726                             cache = outerCache[ type ] || [];
1727                             nodeIndex = cache[0] === dirruns && cache[1];
1728                             diff = cache[0] === dirruns && cache[2];
1729                             node = nodeIndex && parent.childNodes[ nodeIndex ];
1730 
1731                             while ( (node = ++nodeIndex && node && node[ dir ] ||
1732 
1733                                 // Fallback to seeking `elem` from the start
1734                                 (diff = nodeIndex = 0) || start.pop()) ) {
1735 
1736                                 // When found, cache indexes on `parent` and break
1737                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
1738                                     outerCache[ type ] = [ dirruns, nodeIndex, diff ];
1739                                     break;
1740                                 }
1741                             }
1742 
1743                         // Use previously-cached element index if available
1744                         } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
1745                             diff = cache[1];
1746 
1747                         // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
1748                         } else {
1749                             // Use the same loop as above to seek `elem` from the start
1750                             while ( (node = ++nodeIndex && node && node[ dir ] ||
1751                                 (diff = nodeIndex = 0) || start.pop()) ) {
1752 
1753                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
1754                                     // Cache the index of each encountered element
1755                                     if ( useCache ) {
1756                                         (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
1757                                     }
1758 
1759                                     if ( node === elem ) {
1760                                         break;
1761                                     }
1762                                 }
1763                             }
1764                         }
1765 
1766                         // Incorporate the offset, then check against cycle size
1767                         diff -= last;
1768                         return diff === first || ( diff % first === 0 && diff / first >= 0 );
1769                     }
1770                 };
1771         },
1772 
1773         "PSEUDO": function( pseudo, argument ) {
1774             // pseudo-class names are case-insensitive
1775             // http://www.w3.org/TR/selectors/#pseudo-classes
1776             // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1777             // Remember that setFilters inherits from pseudos
1778             var args,
1779                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1780                     Sizzle.error( "unsupported pseudo: " + pseudo );
1781 
1782             // The user may use createPseudo to indicate that
1783             // arguments are needed to create the filter function
1784             // just as Sizzle does
1785             if ( fn[ expando ] ) {
1786                 return fn( argument );
1787             }
1788 
1789             // But maintain support for old signatures
1790             if ( fn.length > 1 ) {
1791                 args = [ pseudo, pseudo, "", argument ];
1792                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1793                     markFunction(function( seed, matches ) {
1794                         var idx,
1795                             matched = fn( seed, argument ),
1796                             i = matched.length;
1797                         while ( i-- ) {
1798                             idx = indexOf.call( seed, matched[i] );
1799                             seed[ idx ] = !( matches[ idx ] = matched[i] );
1800                         }
1801                     }) :
1802                     function( elem ) {
1803                         return fn( elem, 0, args );
1804                     };
1805             }
1806 
1807             return fn;
1808         }
1809     },
1810 
1811     pseudos: {
1812         // Potentially complex pseudos
1813         "not": markFunction(function( selector ) {
1814             // Trim the selector passed to compile
1815             // to avoid treating leading and trailing
1816             // spaces as combinators
1817             var input = [],
1818                 results = [],
1819                 matcher = compile( selector.replace( rtrim, "$1" ) );
1820 
1821             return matcher[ expando ] ?
1822                 markFunction(function( seed, matches, context, xml ) {
1823                     var elem,
1824                         unmatched = matcher( seed, null, xml, [] ),
1825                         i = seed.length;
1826 
1827                     // Match elements unmatched by `matcher`
1828                     while ( i-- ) {
1829                         if ( (elem = unmatched[i]) ) {
1830                             seed[i] = !(matches[i] = elem);
1831                         }
1832                     }
1833                 }) :
1834                 function( elem, context, xml ) {
1835                     input[0] = elem;
1836                     matcher( input, null, xml, results );
1837                     return !results.pop();
1838                 };
1839         }),
1840 
1841         "has": markFunction(function( selector ) {
1842             return function( elem ) {
1843                 return Sizzle( selector, elem ).length > 0;
1844             };
1845         }),
1846 
1847         "contains": markFunction(function( text ) {
1848             return function( elem ) {
1849                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1850             };
1851         }),
1852 
1853         // "Whether an element is represented by a :lang() selector
1854         // is based solely on the element's language value
1855         // being equal to the identifier C,
1856         // or beginning with the identifier C immediately followed by "-".
1857         // The matching of C against the element's language value is performed case-insensitively.
1858         // The identifier C does not have to be a valid language name."
1859         // http://www.w3.org/TR/selectors/#lang-pseudo
1860         "lang": markFunction( function( lang ) {
1861             // lang value must be a valid identifier
1862             if ( !ridentifier.test(lang || "") ) {
1863                 Sizzle.error( "unsupported lang: " + lang );
1864             }
1865             lang = lang.replace( runescape, funescape ).toLowerCase();
1866             return function( elem ) {
1867                 var elemLang;
1868                 do {
1869                     if ( (elemLang = documentIsHTML ?
1870                         elem.lang :
1871                         elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1872 
1873                         elemLang = elemLang.toLowerCase();
1874                         return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1875                     }
1876                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1877                 return false;
1878             };
1879         }),
1880 
1881         // Miscellaneous
1882         "target": function( elem ) {
1883             var hash = window.location && window.location.hash;
1884             return hash && hash.slice( 1 ) === elem.id;
1885         },
1886 
1887         "root": function( elem ) {
1888             return elem === docElem;
1889         },
1890 
1891         "focus": function( elem ) {
1892             return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
1893         },
1894 
1895         // Boolean properties
1896         "enabled": function( elem ) {
1897             return elem.disabled === false;
1898         },
1899 
1900         "disabled": function( elem ) {
1901             return elem.disabled === true;
1902         },
1903 
1904         "checked": function( elem ) {
1905             // In CSS3, :checked should return both checked and selected elements
1906             // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1907             var nodeName = elem.nodeName.toLowerCase();
1908             return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
1909         },
1910 
1911         "selected": function( elem ) {
1912             // Accessing this property makes selected-by-default
1913             // options in Safari work properly
1914             if ( elem.parentNode ) {
1915                 elem.parentNode.selectedIndex;
1916             }
1917 
1918             return elem.selected === true;
1919         },
1920 
1921         // Contents
1922         "empty": function( elem ) {
1923             // http://www.w3.org/TR/selectors/#empty-pseudo
1924             // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
1925             //   but not by others (comment: 8; processing instruction: 7; etc.)
1926             // nodeType < 6 works because attributes (2) do not appear as children
1927             for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1928                 if ( elem.nodeType < 6 ) {
1929                     return false;
1930                 }
1931             }
1932             return true;
1933         },
1934 
1935         "parent": function( elem ) {
1936             return !Expr.pseudos["empty"]( elem );
1937         },
1938 
1939         // Element/input types
1940         "header": function( elem ) {
1941             return rheader.test( elem.nodeName );
1942         },
1943 
1944         "input": function( elem ) {
1945             return rinputs.test( elem.nodeName );
1946         },
1947 
1948         "button": function( elem ) {
1949             var name = elem.nodeName.toLowerCase();
1950             return name === "input" && elem.type === "button" || name === "button";
1951         },
1952 
1953         "text": function( elem ) {
1954             var attr;
1955             return elem.nodeName.toLowerCase() === "input" &&
1956                 elem.type === "text" &&
1957 
1958                 // Support: IE<8
1959                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
1960                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
1961         },
1962 
1963         // Position-in-collection
1964         "first": createPositionalPseudo(function() {
1965             return [ 0 ];
1966         }),
1967 
1968         "last": createPositionalPseudo(function( matchIndexes, length ) {
1969             return [ length - 1 ];
1970         }),
1971 
1972         "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
1973             return [ argument < 0 ? argument + length : argument ];
1974         }),
1975 
1976         "even": createPositionalPseudo(function( matchIndexes, length ) {
1977             var i = 0;
1978             for ( ; i < length; i += 2 ) {
1979                 matchIndexes.push( i );
1980             }
1981             return matchIndexes;
1982         }),
1983 
1984         "odd": createPositionalPseudo(function( matchIndexes, length ) {
1985             var i = 1;
1986             for ( ; i < length; i += 2 ) {
1987                 matchIndexes.push( i );
1988             }
1989             return matchIndexes;
1990         }),
1991 
1992         "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
1993             var i = argument < 0 ? argument + length : argument;
1994             for ( ; --i >= 0; ) {
1995                 matchIndexes.push( i );
1996             }
1997             return matchIndexes;
1998         }),
1999 
2000         "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2001             var i = argument < 0 ? argument + length : argument;
2002             for ( ; ++i < length; ) {
2003                 matchIndexes.push( i );
2004             }
2005             return matchIndexes;
2006         })
2007     }
2008 };
2009 
2010 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2011 
2012 // Add button/input type pseudos
2013 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2014     Expr.pseudos[ i ] = createInputPseudo( i );
2015 }
2016 for ( i in { submit: true, reset: true } ) {
2017     Expr.pseudos[ i ] = createButtonPseudo( i );
2018 }
2019 
2020 // Easy API for creating new setFilters
2021 function setFilters() {}
2022 setFilters.prototype = Expr.filters = Expr.pseudos;
2023 Expr.setFilters = new setFilters();
2024 
2025 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2026     var matched, match, tokens, type,
2027         soFar, groups, preFilters,
2028         cached = tokenCache[ selector + " " ];
2029 
2030     if ( cached ) {
2031         return parseOnly ? 0 : cached.slice( 0 );
2032     }
2033 
2034     soFar = selector;
2035     groups = [];
2036     preFilters = Expr.preFilter;
2037 
2038     while ( soFar ) {
2039 
2040         // Comma and first run
2041         if ( !matched || (match = rcomma.exec( soFar )) ) {
2042             if ( match ) {
2043                 // Don't consume trailing commas as valid
2044                 soFar = soFar.slice( match[0].length ) || soFar;
2045             }
2046             groups.push( (tokens = []) );
2047         }
2048 
2049         matched = false;
2050 
2051         // Combinators
2052         if ( (match = rcombinators.exec( soFar )) ) {
2053             matched = match.shift();
2054             tokens.push({
2055                 value: matched,
2056                 // Cast descendant combinators to space
2057                 type: match[0].replace( rtrim, " " )
2058             });
2059             soFar = soFar.slice( matched.length );
2060         }
2061 
2062         // Filters
2063         for ( type in Expr.filter ) {
2064             if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2065                 (match = preFilters[ type ]( match ))) ) {
2066                 matched = match.shift();
2067                 tokens.push({
2068                     value: matched,
2069                     type: type,
2070                     matches: match
2071                 });
2072                 soFar = soFar.slice( matched.length );
2073             }
2074         }
2075 
2076         if ( !matched ) {
2077             break;
2078         }
2079     }
2080 
2081     // Return the length of the invalid excess
2082     // if we're just parsing
2083     // Otherwise, throw an error or return tokens
2084     return parseOnly ?
2085         soFar.length :
2086         soFar ?
2087             Sizzle.error( selector ) :
2088             // Cache the tokens
2089             tokenCache( selector, groups ).slice( 0 );
2090 };
2091 
2092 function toSelector( tokens ) {
2093     var i = 0,
2094         len = tokens.length,
2095         selector = "";
2096     for ( ; i < len; i++ ) {
2097         selector += tokens[i].value;
2098     }
2099     return selector;
2100 }
2101 
2102 function addCombinator( matcher, combinator, base ) {
2103     var dir = combinator.dir,
2104         checkNonElements = base && dir === "parentNode",
2105         doneName = done++;
2106 
2107     return combinator.first ?
2108         // Check against closest ancestor/preceding element
2109         function( elem, context, xml ) {
2110             while ( (elem = elem[ dir ]) ) {
2111                 if ( elem.nodeType === 1 || checkNonElements ) {
2112                     return matcher( elem, context, xml );
2113                 }
2114             }
2115         } :
2116 
2117         // Check against all ancestor/preceding elements
2118         function( elem, context, xml ) {
2119             var oldCache, outerCache,
2120                 newCache = [ dirruns, doneName ];
2121 
2122             // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2123             if ( xml ) {
2124                 while ( (elem = elem[ dir ]) ) {
2125                     if ( elem.nodeType === 1 || checkNonElements ) {
2126                         if ( matcher( elem, context, xml ) ) {
2127                             return true;
2128                         }
2129                     }
2130                 }
2131             } else {
2132                 while ( (elem = elem[ dir ]) ) {
2133                     if ( elem.nodeType === 1 || checkNonElements ) {
2134                         outerCache = elem[ expando ] || (elem[ expando ] = {});
2135                         if ( (oldCache = outerCache[ dir ]) &&
2136                             oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2137 
2138                             // Assign to newCache so results back-propagate to previous elements
2139                             return (newCache[ 2 ] = oldCache[ 2 ]);
2140                         } else {
2141                             // Reuse newcache so results back-propagate to previous elements
2142                             outerCache[ dir ] = newCache;
2143 
2144                             // A match means we're done; a fail means we have to keep checking
2145                             if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2146                                 return true;
2147                             }
2148                         }
2149                     }
2150                 }
2151             }
2152         };
2153 }
2154 
2155 function elementMatcher( matchers ) {
2156     return matchers.length > 1 ?
2157         function( elem, context, xml ) {
2158             var i = matchers.length;
2159             while ( i-- ) {
2160                 if ( !matchers[i]( elem, context, xml ) ) {
2161                     return false;
2162                 }
2163             }
2164             return true;
2165         } :
2166         matchers[0];
2167 }
2168 
2169 function multipleContexts( selector, contexts, results ) {
2170     var i = 0,
2171         len = contexts.length;
2172     for ( ; i < len; i++ ) {
2173         Sizzle( selector, contexts[i], results );
2174     }
2175     return results;
2176 }
2177 
2178 function condense( unmatched, map, filter, context, xml ) {
2179     var elem,
2180         newUnmatched = [],
2181         i = 0,
2182         len = unmatched.length,
2183         mapped = map != null;
2184 
2185     for ( ; i < len; i++ ) {
2186         if ( (elem = unmatched[i]) ) {
2187             if ( !filter || filter( elem, context, xml ) ) {
2188                 newUnmatched.push( elem );
2189                 if ( mapped ) {
2190                     map.push( i );
2191                 }
2192             }
2193         }
2194     }
2195 
2196     return newUnmatched;
2197 }
2198 
2199 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2200     if ( postFilter && !postFilter[ expando ] ) {
2201         postFilter = setMatcher( postFilter );
2202     }
2203     if ( postFinder && !postFinder[ expando ] ) {
2204         postFinder = setMatcher( postFinder, postSelector );
2205     }
2206     return markFunction(function( seed, results, context, xml ) {
2207         var temp, i, elem,
2208             preMap = [],
2209             postMap = [],
2210             preexisting = results.length,
2211 
2212             // Get initial elements from seed or context
2213             elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2214 
2215             // Prefilter to get matcher input, preserving a map for seed-results synchronization
2216             matcherIn = preFilter && ( seed || !selector ) ?
2217                 condense( elems, preMap, preFilter, context, xml ) :
2218                 elems,
2219 
2220             matcherOut = matcher ?
2221                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2222                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2223 
2224                     // ...intermediate processing is necessary
2225                     [] :
2226 
2227                     // ...otherwise use results directly
2228                     results :
2229                 matcherIn;
2230 
2231         // Find primary matches
2232         if ( matcher ) {
2233             matcher( matcherIn, matcherOut, context, xml );
2234         }
2235 
2236         // Apply postFilter
2237         if ( postFilter ) {
2238             temp = condense( matcherOut, postMap );
2239             postFilter( temp, [], context, xml );
2240 
2241             // Un-match failing elements by moving them back to matcherIn
2242             i = temp.length;
2243             while ( i-- ) {
2244                 if ( (elem = temp[i]) ) {
2245                     matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2246                 }
2247             }
2248         }
2249 
2250         if ( seed ) {
2251             if ( postFinder || preFilter ) {
2252                 if ( postFinder ) {
2253                     // Get the final matcherOut by condensing this intermediate into postFinder contexts
2254                     temp = [];
2255                     i = matcherOut.length;
2256                     while ( i-- ) {
2257                         if ( (elem = matcherOut[i]) ) {
2258                             // Restore matcherIn since elem is not yet a final match
2259                             temp.push( (matcherIn[i] = elem) );
2260                         }
2261                     }
2262                     postFinder( null, (matcherOut = []), temp, xml );
2263                 }
2264 
2265                 // Move matched elements from seed to results to keep them synchronized
2266                 i = matcherOut.length;
2267                 while ( i-- ) {
2268                     if ( (elem = matcherOut[i]) &&
2269                         (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
2270 
2271                         seed[temp] = !(results[temp] = elem);
2272                     }
2273                 }
2274             }
2275 
2276         // Add elements to results, through postFinder if defined
2277         } else {
2278             matcherOut = condense(
2279                 matcherOut === results ?
2280                     matcherOut.splice( preexisting, matcherOut.length ) :
2281                     matcherOut
2282             );
2283             if ( postFinder ) {
2284                 postFinder( null, results, matcherOut, xml );
2285             } else {
2286                 push.apply( results, matcherOut );
2287             }
2288         }
2289     });
2290 }
2291 
2292 function matcherFromTokens( tokens ) {
2293     var checkContext, matcher, j,
2294         len = tokens.length,
2295         leadingRelative = Expr.relative[ tokens[0].type ],
2296         implicitRelative = leadingRelative || Expr.relative[" "],
2297         i = leadingRelative ? 1 : 0,
2298 
2299         // The foundational matcher ensures that elements are reachable from top-level context(s)
2300         matchContext = addCombinator( function( elem ) {
2301             return elem === checkContext;
2302         }, implicitRelative, true ),
2303         matchAnyContext = addCombinator( function( elem ) {
2304             return indexOf.call( checkContext, elem ) > -1;
2305         }, implicitRelative, true ),
2306         matchers = [ function( elem, context, xml ) {
2307             return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2308                 (checkContext = context).nodeType ?
2309                     matchContext( elem, context, xml ) :
2310                     matchAnyContext( elem, context, xml ) );
2311         } ];
2312 
2313     for ( ; i < len; i++ ) {
2314         if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2315             matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2316         } else {
2317             matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2318 
2319             // Return special upon seeing a positional matcher
2320             if ( matcher[ expando ] ) {
2321                 // Find the next relative operator (if any) for proper handling
2322                 j = ++i;
2323                 for ( ; j < len; j++ ) {
2324                     if ( Expr.relative[ tokens[j].type ] ) {
2325                         break;
2326                     }
2327                 }
2328                 return setMatcher(
2329                     i > 1 && elementMatcher( matchers ),
2330                     i > 1 && toSelector(
2331                         // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2332                         tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2333                     ).replace( rtrim, "$1" ),
2334                     matcher,
2335                     i < j && matcherFromTokens( tokens.slice( i, j ) ),
2336                     j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2337                     j < len && toSelector( tokens )
2338                 );
2339             }
2340             matchers.push( matcher );
2341         }
2342     }
2343 
2344     return elementMatcher( matchers );
2345 }
2346 
2347 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2348     var bySet = setMatchers.length > 0,
2349         byElement = elementMatchers.length > 0,
2350         superMatcher = function( seed, context, xml, results, outermost ) {
2351             var elem, j, matcher,
2352                 matchedCount = 0,
2353                 i = "0",
2354                 unmatched = seed && [],
2355                 setMatched = [],
2356                 contextBackup = outermostContext,
2357                 // We must always have either seed elements or outermost context
2358                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2359                 // Use integer dirruns iff this is the outermost matcher
2360                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2361                 len = elems.length;
2362 
2363             if ( outermost ) {
2364                 outermostContext = context !== document && context;
2365             }
2366 
2367             // Add elements passing elementMatchers directly to results
2368             // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2369             // Support: IE<9, Safari
2370             // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2371             for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2372                 if ( byElement && elem ) {
2373                     j = 0;
2374                     while ( (matcher = elementMatchers[j++]) ) {
2375                         if ( matcher( elem, context, xml ) ) {
2376                             results.push( elem );
2377                             break;
2378                         }
2379                     }
2380                     if ( outermost ) {
2381                         dirruns = dirrunsUnique;
2382                     }
2383                 }
2384 
2385                 // Track unmatched elements for set filters
2386                 if ( bySet ) {
2387                     // They will have gone through all possible matchers
2388                     if ( (elem = !matcher && elem) ) {
2389                         matchedCount--;
2390                     }
2391 
2392                     // Lengthen the array for every element, matched or not
2393                     if ( seed ) {
2394                         unmatched.push( elem );
2395                     }
2396                 }
2397             }
2398 
2399             // Apply set filters to unmatched elements
2400             matchedCount += i;
2401             if ( bySet && i !== matchedCount ) {
2402                 j = 0;
2403                 while ( (matcher = setMatchers[j++]) ) {
2404                     matcher( unmatched, setMatched, context, xml );
2405                 }
2406 
2407                 if ( seed ) {
2408                     // Reintegrate element matches to eliminate the need for sorting
2409                     if ( matchedCount > 0 ) {
2410                         while ( i-- ) {
2411                             if ( !(unmatched[i] || setMatched[i]) ) {
2412                                 setMatched[i] = pop.call( results );
2413                             }
2414                         }
2415                     }
2416 
2417                     // Discard index placeholder values to get only actual matches
2418                     setMatched = condense( setMatched );
2419                 }
2420 
2421                 // Add matches to results
2422                 push.apply( results, setMatched );
2423 
2424                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2425                 if ( outermost && !seed && setMatched.length > 0 &&
2426                     ( matchedCount + setMatchers.length ) > 1 ) {
2427 
2428                     Sizzle.uniqueSort( results );
2429                 }
2430             }
2431 
2432             // Override manipulation of globals by nested matchers
2433             if ( outermost ) {
2434                 dirruns = dirrunsUnique;
2435                 outermostContext = contextBackup;
2436             }
2437 
2438             return unmatched;
2439         };
2440 
2441     return bySet ?
2442         markFunction( superMatcher ) :
2443         superMatcher;
2444 }
2445 
2446 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2447     var i,
2448         setMatchers = [],
2449         elementMatchers = [],
2450         cached = compilerCache[ selector + " " ];
2451 
2452     if ( !cached ) {
2453         // Generate a function of recursive functions that can be used to check each element
2454         if ( !match ) {
2455             match = tokenize( selector );
2456         }
2457         i = match.length;
2458         while ( i-- ) {
2459             cached = matcherFromTokens( match[i] );
2460             if ( cached[ expando ] ) {
2461                 setMatchers.push( cached );
2462             } else {
2463                 elementMatchers.push( cached );
2464             }
2465         }
2466 
2467         // Cache the compiled function
2468         cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2469 
2470         // Save selector and tokenization
2471         cached.selector = selector;
2472     }
2473     return cached;
2474 };
2475 
2476 /**
2477  * A low-level selection function that works with Sizzle's compiled
2478  *  selector functions
2479  * @param {String|Function} selector A selector or a pre-compiled
2480  *  selector function built with Sizzle.compile
2481  * @param {Element} context
2482  * @param {Array} [results]
2483  * @param {Array} [seed] A set of elements to match against
2484  */
2485 select = Sizzle.select = function( selector, context, results, seed ) {
2486     var i, tokens, token, type, find,
2487         compiled = typeof selector === "function" && selector,
2488         match = !seed && tokenize( (selector = compiled.selector || selector) );
2489 
2490     results = results || [];
2491 
2492     // Try to minimize operations if there is no seed and only one group
2493     if ( match.length === 1 ) {
2494 
2495         // Take a shortcut and set the context if the root selector is an ID
2496         tokens = match[0] = match[0].slice( 0 );
2497         if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2498                 support.getById && context.nodeType === 9 && documentIsHTML &&
2499                 Expr.relative[ tokens[1].type ] ) {
2500 
2501             context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2502             if ( !context ) {
2503                 return results;
2504 
2505             // Precompiled matchers will still verify ancestry, so step up a level
2506             } else if ( compiled ) {
2507                 context = context.parentNode;
2508             }
2509 
2510             selector = selector.slice( tokens.shift().value.length );
2511         }
2512 
2513         // Fetch a seed set for right-to-left matching
2514         i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2515         while ( i-- ) {
2516             token = tokens[i];
2517 
2518             // Abort if we hit a combinator
2519             if ( Expr.relative[ (type = token.type) ] ) {
2520                 break;
2521             }
2522             if ( (find = Expr.find[ type ]) ) {
2523                 // Search, expanding context for leading sibling combinators
2524                 if ( (seed = find(
2525                     token.matches[0].replace( runescape, funescape ),
2526                     rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2527                 )) ) {
2528 
2529                     // If seed is empty or no tokens remain, we can return early
2530                     tokens.splice( i, 1 );
2531                     selector = seed.length && toSelector( tokens );
2532                     if ( !selector ) {
2533                         push.apply( results, seed );
2534                         return results;
2535                     }
2536 
2537                     break;
2538                 }
2539             }
2540         }
2541     }
2542 
2543     // Compile and execute a filtering function if one is not provided
2544     // Provide `match` to avoid retokenization if we modified the selector above
2545     ( compiled || compile( selector, match ) )(
2546         seed,
2547         context,
2548         !documentIsHTML,
2549         results,
2550         rsibling.test( selector ) && testContext( context.parentNode ) || context
2551     );
2552     return results;
2553 };
2554 
2555 // One-time assignments
2556 
2557 // Sort stability
2558 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2559 
2560 // Support: Chrome<14
2561 // Always assume duplicates if they aren't passed to the comparison function
2562 support.detectDuplicates = !!hasDuplicate;
2563 
2564 // Initialize against the default document
2565 setDocument();
2566 
2567 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2568 // Detached nodes confoundingly follow *each other*
2569 support.sortDetached = assert(function( div1 ) {
2570     // Should return 1, but returns 4 (following)
2571     return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2572 });
2573 
2574 // Support: IE<8
2575 // Prevent attribute/property "interpolation"
2576 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2577 if ( !assert(function( div ) {
2578     div.innerHTML = "<a href='#'></a>";
2579     return div.firstChild.getAttribute("href") === "#" ;
2580 }) ) {
2581     addHandle( "type|href|height|width", function( elem, name, isXML ) {
2582         if ( !isXML ) {
2583             return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2584         }
2585     });
2586 }
2587 
2588 // Support: IE<9
2589 // Use defaultValue in place of getAttribute("value")
2590 if ( !support.attributes || !assert(function( div ) {
2591     div.innerHTML = "<input/>";
2592     div.firstChild.setAttribute( "value", "" );
2593     return div.firstChild.getAttribute( "value" ) === "";
2594 }) ) {
2595     addHandle( "value", function( elem, name, isXML ) {
2596         if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2597             return elem.defaultValue;
2598         }
2599     });
2600 }
2601 
2602 // Support: IE<9
2603 // Use getAttributeNode to fetch booleans when getAttribute lies
2604 if ( !assert(function( div ) {
2605     return div.getAttribute("disabled") == null;
2606 }) ) {
2607     addHandle( booleans, function( elem, name, isXML ) {
2608         var val;
2609         if ( !isXML ) {
2610             return elem[ name ] === true ? name.toLowerCase() :
2611                     (val = elem.getAttributeNode( name )) && val.specified ?
2612                     val.value :
2613                 null;
2614         }
2615     });
2616 }
2617 
2618 return Sizzle;
2619 
2620 })( window );
2621 
2622 
2623 
2624 jQuery.find = Sizzle;
2625 jQuery.expr = Sizzle.selectors;
2626 jQuery.expr[":"] = jQuery.expr.pseudos;
2627 jQuery.unique = Sizzle.uniqueSort;
2628 jQuery.text = Sizzle.getText;
2629 jQuery.isXMLDoc = Sizzle.isXML;
2630 jQuery.contains = Sizzle.contains;
2631 
2632 
2633 
2634 var rneedsContext = jQuery.expr.match.needsContext;
2635 
2636 var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
2637 
2638 
2639 
2640 var risSimple = /^.[^:#\[\.,]*$/;
2641 
2642 // Implement the identical functionality for filter and not
2643 function winnow( elements, qualifier, not ) {
2644     if ( jQuery.isFunction( qualifier ) ) {
2645         return jQuery.grep( elements, function( elem, i ) {
2646             /* jshint -W018 */
2647             return !!qualifier.call( elem, i, elem ) !== not;
2648         });
2649 
2650     }
2651 
2652     if ( qualifier.nodeType ) {
2653         return jQuery.grep( elements, function( elem ) {
2654             return ( elem === qualifier ) !== not;
2655         });
2656 
2657     }
2658 
2659     if ( typeof qualifier === "string" ) {
2660         if ( risSimple.test( qualifier ) ) {
2661             return jQuery.filter( qualifier, elements, not );
2662         }
2663 
2664         qualifier = jQuery.filter( qualifier, elements );
2665     }
2666 
2667     return jQuery.grep( elements, function( elem ) {
2668         return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
2669     });
2670 }
2671 
2672 jQuery.filter = function( expr, elems, not ) {
2673     var elem = elems[ 0 ];
2674 
2675     if ( not ) {
2676         expr = ":not(" + expr + ")";
2677     }
2678 
2679     return elems.length === 1 && elem.nodeType === 1 ?
2680         jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
2681         jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2682             return elem.nodeType === 1;
2683         }));
2684 };
2685 
2686 jQuery.fn.extend({
2687     find: function( selector ) {
2688         var i,
2689             ret = [],
2690             self = this,
2691             len = self.length;
2692 
2693         if ( typeof selector !== "string" ) {
2694             return this.pushStack( jQuery( selector ).filter(function() {
2695                 for ( i = 0; i < len; i++ ) {
2696                     if ( jQuery.contains( self[ i ], this ) ) {
2697                         return true;
2698                     }
2699                 }
2700             }) );
2701         }
2702 
2703         for ( i = 0; i < len; i++ ) {
2704             jQuery.find( selector, self[ i ], ret );
2705         }
2706 
2707         // Needed because $( selector, context ) becomes $( context ).find( selector )
2708         ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
2709         ret.selector = this.selector ? this.selector + " " + selector : selector;
2710         return ret;
2711     },
2712     filter: function( selector ) {
2713         return this.pushStack( winnow(this, selector || [], false) );
2714     },
2715     not: function( selector ) {
2716         return this.pushStack( winnow(this, selector || [], true) );
2717     },
2718     is: function( selector ) {
2719         return !!winnow(
2720             this,
2721 
2722             // If this is a positional/relative selector, check membership in the returned set
2723             // so $("p:first").is("p:last") won't return true for a doc with two "p".
2724             typeof selector === "string" && rneedsContext.test( selector ) ?
2725                 jQuery( selector ) :
2726                 selector || [],
2727             false
2728         ).length;
2729     }
2730 });
2731 
2732 
2733 // Initialize a jQuery object
2734 
2735 
2736 // A central reference to the root jQuery(document)
2737 var rootjQuery,
2738 
2739     // Use the correct document accordingly with window argument (sandbox)
2740     document = window.document,
2741 
2742     // A simple way to check for HTML strings
2743     // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2744     // Strict HTML recognition (#11290: must start with <)
2745     rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
2746 
2747     init = jQuery.fn.init = function( selector, context ) {
2748         var match, elem;
2749 
2750         // HANDLE: $(""), $(null), $(undefined), $(false)
2751         if ( !selector ) {
2752             return this;
2753         }
2754 
2755         // Handle HTML strings
2756         if ( typeof selector === "string" ) {
2757             if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
2758                 // Assume that strings that start and end with <> are HTML and skip the regex check
2759                 match = [ null, selector, null ];
2760 
2761             } else {
2762                 match = rquickExpr.exec( selector );
2763             }
2764 
2765             // Match html or make sure no context is specified for #id
2766             if ( match && (match[1] || !context) ) {
2767 
2768                 // HANDLE: $(html) -> $(array)
2769                 if ( match[1] ) {
2770                     context = context instanceof jQuery ? context[0] : context;
2771 
2772                     // scripts is true for back-compat
2773                     // Intentionally let the error be thrown if parseHTML is not present
2774                     jQuery.merge( this, jQuery.parseHTML(
2775                         match[1],
2776                         context && context.nodeType ? context.ownerDocument || context : document,
2777                         true
2778                     ) );
2779 
2780                     // HANDLE: $(html, props)
2781                     if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
2782                         for ( match in context ) {
2783                             // Properties of context are called as methods if possible
2784                             if ( jQuery.isFunction( this[ match ] ) ) {
2785                                 this[ match ]( context[ match ] );
2786 
2787                             // ...and otherwise set as attributes
2788                             } else {
2789                                 this.attr( match, context[ match ] );
2790                             }
2791                         }
2792                     }
2793 
2794                     return this;
2795 
2796                 // HANDLE: $(#id)
2797                 } else {
2798                     elem = document.getElementById( match[2] );
2799 
2800                     // Check parentNode to catch when Blackberry 4.6 returns
2801                     // nodes that are no longer in the document #6963
2802                     if ( elem && elem.parentNode ) {
2803                         // Handle the case where IE and Opera return items
2804                         // by name instead of ID
2805                         if ( elem.id !== match[2] ) {
2806                             return rootjQuery.find( selector );
2807                         }
2808 
2809                         // Otherwise, we inject the element directly into the jQuery object
2810                         this.length = 1;
2811                         this[0] = elem;
2812                     }
2813 
2814                     this.context = document;
2815                     this.selector = selector;
2816                     return this;
2817                 }
2818 
2819             // HANDLE: $(expr, $(...))
2820             } else if ( !context || context.jquery ) {
2821                 return ( context || rootjQuery ).find( selector );
2822 
2823             // HANDLE: $(expr, context)
2824             // (which is just equivalent to: $(context).find(expr)
2825             } else {
2826                 return this.constructor( context ).find( selector );
2827             }
2828 
2829         // HANDLE: $(DOMElement)
2830         } else if ( selector.nodeType ) {
2831             this.context = this[0] = selector;
2832             this.length = 1;
2833             return this;
2834 
2835         // HANDLE: $(function)
2836         // Shortcut for document ready
2837         } else if ( jQuery.isFunction( selector ) ) {
2838             return typeof rootjQuery.ready !== "undefined" ?
2839                 rootjQuery.ready( selector ) :
2840                 // Execute immediately if ready is not present
2841                 selector( jQuery );
2842         }
2843 
2844         if ( selector.selector !== undefined ) {
2845             this.selector = selector.selector;
2846             this.context = selector.context;
2847         }
2848 
2849         return jQuery.makeArray( selector, this );
2850     };
2851 
2852 // Give the init function the jQuery prototype for later instantiation
2853 init.prototype = jQuery.fn;
2854 
2855 // Initialize central reference
2856 rootjQuery = jQuery( document );
2857 
2858 
2859 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
2860     // methods guaranteed to produce a unique set when starting from a unique set
2861     guaranteedUnique = {
2862         children: true,
2863         contents: true,
2864         next: true,
2865         prev: true
2866     };
2867 
2868 jQuery.extend({
2869     dir: function( elem, dir, until ) {
2870         var matched = [],
2871             cur = elem[ dir ];
2872 
2873         while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
2874             if ( cur.nodeType === 1 ) {
2875                 matched.push( cur );
2876             }
2877             cur = cur[dir];
2878         }
2879         return matched;
2880     },
2881 
2882     sibling: function( n, elem ) {
2883         var r = [];
2884 
2885         for ( ; n; n = n.nextSibling ) {
2886             if ( n.nodeType === 1 && n !== elem ) {
2887                 r.push( n );
2888             }
2889         }
2890 
2891         return r;
2892     }
2893 });
2894 
2895 jQuery.fn.extend({
2896     has: function( target ) {
2897         var i,
2898             targets = jQuery( target, this ),
2899             len = targets.length;
2900 
2901         return this.filter(function() {
2902             for ( i = 0; i < len; i++ ) {
2903                 if ( jQuery.contains( this, targets[i] ) ) {
2904                     return true;
2905                 }
2906             }
2907         });
2908     },
2909 
2910     closest: function( selectors, context ) {
2911         var cur,
2912             i = 0,
2913             l = this.length,
2914             matched = [],
2915             pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
2916                 jQuery( selectors, context || this.context ) :
2917                 0;
2918 
2919         for ( ; i < l; i++ ) {
2920             for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
2921                 // Always skip document fragments
2922                 if ( cur.nodeType < 11 && (pos ?
2923                     pos.index(cur) > -1 :
2924 
2925                     // Don't pass non-elements to Sizzle
2926                     cur.nodeType === 1 &&
2927                         jQuery.find.matchesSelector(cur, selectors)) ) {
2928 
2929                     matched.push( cur );
2930                     break;
2931                 }
2932             }
2933         }
2934 
2935         return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
2936     },
2937 
2938     // Determine the position of an element within
2939     // the matched set of elements
2940     index: function( elem ) {
2941 
2942         // No argument, return index in parent
2943         if ( !elem ) {
2944             return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
2945         }
2946 
2947         // index in selector
2948         if ( typeof elem === "string" ) {
2949             return jQuery.inArray( this[0], jQuery( elem ) );
2950         }
2951 
2952         // Locate the position of the desired element
2953         return jQuery.inArray(
2954             // If it receives a jQuery object, the first element is used
2955             elem.jquery ? elem[0] : elem, this );
2956     },
2957 
2958     add: function( selector, context ) {
2959         return this.pushStack(
2960             jQuery.unique(
2961                 jQuery.merge( this.get(), jQuery( selector, context ) )
2962             )
2963         );
2964     },
2965 
2966     addBack: function( selector ) {
2967         return this.add( selector == null ?
2968             this.prevObject : this.prevObject.filter(selector)
2969         );
2970     }
2971 });
2972 
2973 function sibling( cur, dir ) {
2974     do {
2975         cur = cur[ dir ];
2976     } while ( cur && cur.nodeType !== 1 );
2977 
2978     return cur;
2979 }
2980 
2981 jQuery.each({
2982     parent: function( elem ) {
2983         var parent = elem.parentNode;
2984         return parent && parent.nodeType !== 11 ? parent : null;
2985     },
2986     parents: function( elem ) {
2987         return jQuery.dir( elem, "parentNode" );
2988     },
2989     parentsUntil: function( elem, i, until ) {
2990         return jQuery.dir( elem, "parentNode", until );
2991     },
2992     next: function( elem ) {
2993         return sibling( elem, "nextSibling" );
2994     },
2995     prev: function( elem ) {
2996         return sibling( elem, "previousSibling" );
2997     },
2998     nextAll: function( elem ) {
2999         return jQuery.dir( elem, "nextSibling" );
3000     },
3001     prevAll: function( elem ) {
3002         return jQuery.dir( elem, "previousSibling" );
3003     },
3004     nextUntil: function( elem, i, until ) {
3005         return jQuery.dir( elem, "nextSibling", until );
3006     },
3007     prevUntil: function( elem, i, until ) {
3008         return jQuery.dir( elem, "previousSibling", until );
3009     },
3010     siblings: function( elem ) {
3011         return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
3012     },
3013     children: function( elem ) {
3014         return jQuery.sibling( elem.firstChild );
3015     },
3016     contents: function( elem ) {
3017         return jQuery.nodeName( elem, "iframe" ) ?
3018             elem.contentDocument || elem.contentWindow.document :
3019             jQuery.merge( [], elem.childNodes );
3020     }
3021 }, function( name, fn ) {
3022     jQuery.fn[ name ] = function( until, selector ) {
3023         var ret = jQuery.map( this, fn, until );
3024 
3025         if ( name.slice( -5 ) !== "Until" ) {
3026             selector = until;
3027         }
3028 
3029         if ( selector && typeof selector === "string" ) {
3030             ret = jQuery.filter( selector, ret );
3031         }
3032 
3033         if ( this.length > 1 ) {
3034             // Remove duplicates
3035             if ( !guaranteedUnique[ name ] ) {
3036                 ret = jQuery.unique( ret );
3037             }
3038 
3039             // Reverse order for parents* and prev-derivatives
3040             if ( rparentsprev.test( name ) ) {
3041                 ret = ret.reverse();
3042             }
3043         }
3044 
3045         return this.pushStack( ret );
3046     };
3047 });
3048 var rnotwhite = (/\S+/g);
3049 
3050 
3051 
3052 // String to Object options format cache
3053 var optionsCache = {};
3054 
3055 // Convert String-formatted options into Object-formatted ones and store in cache
3056 function createOptions( options ) {
3057     var object = optionsCache[ options ] = {};
3058     jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
3059         object[ flag ] = true;
3060     });
3061     return object;
3062 }
3063 
3064 /*
3065  * Create a callback list using the following parameters:
3066  *
3067  *  options: an optional list of space-separated options that will change how
3068  *          the callback list behaves or a more traditional option object
3069  *
3070  * By default a callback list will act like an event callback list and can be
3071  * "fired" multiple times.
3072  *
3073  * Possible options:
3074  *
3075  *  once:           will ensure the callback list can only be fired once (like a Deferred)
3076  *
3077  *  memory:         will keep track of previous values and will call any callback added
3078  *                  after the list has been fired right away with the latest "memorized"
3079  *                  values (like a Deferred)
3080  *
3081  *  unique:         will ensure a callback can only be added once (no duplicate in the list)
3082  *
3083  *  stopOnFalse:    interrupt callings when a callback returns false
3084  *
3085  */
3086 jQuery.Callbacks = function( options ) {
3087 
3088     // Convert options from String-formatted to Object-formatted if needed
3089     // (we check in cache first)
3090     options = typeof options === "string" ?
3091         ( optionsCache[ options ] || createOptions( options ) ) :
3092         jQuery.extend( {}, options );
3093 
3094     var // Flag to know if list is currently firing
3095         firing,
3096         // Last fire value (for non-forgettable lists)
3097         memory,
3098         // Flag to know if list was already fired
3099         fired,
3100         // End of the loop when firing
3101         firingLength,
3102         // Index of currently firing callback (modified by remove if needed)
3103         firingIndex,
3104         // First callback to fire (used internally by add and fireWith)
3105         firingStart,
3106         // Actual callback list
3107         list = [],
3108         // Stack of fire calls for repeatable lists
3109         stack = !options.once && [],
3110         // Fire callbacks
3111         fire = function( data ) {
3112             memory = options.memory && data;
3113             fired = true;
3114             firingIndex = firingStart || 0;
3115             firingStart = 0;
3116             firingLength = list.length;
3117             firing = true;
3118             for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3119                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3120                     memory = false; // To prevent further calls using add
3121                     break;
3122                 }
3123             }
3124             firing = false;
3125             if ( list ) {
3126                 if ( stack ) {
3127                     if ( stack.length ) {
3128                         fire( stack.shift() );
3129                     }
3130                 } else if ( memory ) {
3131                     list = [];
3132                 } else {
3133                     self.disable();
3134                 }
3135             }
3136         },
3137         // Actual Callbacks object
3138         self = {
3139             // Add a callback or a collection of callbacks to the list
3140             add: function() {
3141                 if ( list ) {
3142                     // First, we save the current length
3143                     var start = list.length;
3144                     (function add( args ) {
3145                         jQuery.each( args, function( _, arg ) {
3146                             var type = jQuery.type( arg );
3147                             if ( type === "function" ) {
3148                                 if ( !options.unique || !self.has( arg ) ) {
3149                                     list.push( arg );
3150                                 }
3151                             } else if ( arg && arg.length && type !== "string" ) {
3152                                 // Inspect recursively
3153                                 add( arg );
3154                             }
3155                         });
3156                     })( arguments );
3157                     // Do we need to add the callbacks to the
3158                     // current firing batch?
3159                     if ( firing ) {
3160                         firingLength = list.length;
3161                     // With memory, if we're not firing then
3162                     // we should call right away
3163                     } else if ( memory ) {
3164                         firingStart = start;
3165                         fire( memory );
3166                     }
3167                 }
3168                 return this;
3169             },
3170             // Remove a callback from the list
3171             remove: function() {
3172                 if ( list ) {
3173                     jQuery.each( arguments, function( _, arg ) {
3174                         var index;
3175                         while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3176                             list.splice( index, 1 );
3177                             // Handle firing indexes
3178                             if ( firing ) {
3179                                 if ( index <= firingLength ) {
3180                                     firingLength--;
3181                                 }
3182                                 if ( index <= firingIndex ) {
3183                                     firingIndex--;
3184                                 }
3185                             }
3186                         }
3187                     });
3188                 }
3189                 return this;
3190             },
3191             // Check if a given callback is in the list.
3192             // If no argument is given, return whether or not list has callbacks attached.
3193             has: function( fn ) {
3194                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3195             },
3196             // Remove all callbacks from the list
3197             empty: function() {
3198                 list = [];
3199                 firingLength = 0;
3200                 return this;
3201             },
3202             // Have the list do nothing anymore
3203             disable: function() {
3204                 list = stack = memory = undefined;
3205                 return this;
3206             },
3207             // Is it disabled?
3208             disabled: function() {
3209                 return !list;
3210             },
3211             // Lock the list in its current state
3212             lock: function() {
3213                 stack = undefined;
3214                 if ( !memory ) {
3215                     self.disable();
3216                 }
3217                 return this;
3218             },
3219             // Is it locked?
3220             locked: function() {
3221                 return !stack;
3222             },
3223             // Call all callbacks with the given context and arguments
3224             fireWith: function( context, args ) {
3225                 if ( list && ( !fired || stack ) ) {
3226                     args = args || [];
3227                     args = [ context, args.slice ? args.slice() : args ];
3228                     if ( firing ) {
3229                         stack.push( args );
3230                     } else {
3231                         fire( args );
3232                     }
3233                 }
3234                 return this;
3235             },
3236             // Call all the callbacks with the given arguments
3237             fire: function() {
3238                 self.fireWith( this, arguments );
3239                 return this;
3240             },
3241             // To know if the callbacks have already been called at least once
3242             fired: function() {
3243                 return !!fired;
3244             }
3245         };
3246 
3247     return self;
3248 };
3249 
3250 
3251 jQuery.extend({
3252 
3253     Deferred: function( func ) {
3254         var tuples = [
3255                 // action, add listener, listener list, final state
3256                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3257                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3258                 [ "notify", "progress", jQuery.Callbacks("memory") ]
3259             ],
3260             state = "pending",
3261             promise = {
3262                 state: function() {
3263                     return state;
3264                 },
3265                 always: function() {
3266                     deferred.done( arguments ).fail( arguments );
3267                     return this;
3268                 },
3269                 then: function( /* fnDone, fnFail, fnProgress */ ) {
3270                     var fns = arguments;
3271                     return jQuery.Deferred(function( newDefer ) {
3272                         jQuery.each( tuples, function( i, tuple ) {
3273                             var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3274                             // deferred[ done | fail | progress ] for forwarding actions to newDefer
3275                             deferred[ tuple[1] ](function() {
3276                                 var returned = fn && fn.apply( this, arguments );
3277                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3278                                     returned.promise()
3279                                         .done( newDefer.resolve )
3280                                         .fail( newDefer.reject )
3281                                         .progress( newDefer.notify );
3282                                 } else {
3283                                     newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3284                                 }
3285                             });
3286                         });
3287                         fns = null;
3288                     }).promise();
3289                 },
3290                 // Get a promise for this deferred
3291                 // If obj is provided, the promise aspect is added to the object
3292                 promise: function( obj ) {
3293                     return obj != null ? jQuery.extend( obj, promise ) : promise;
3294                 }
3295             },
3296             deferred = {};
3297 
3298         // Keep pipe for back-compat
3299         promise.pipe = promise.then;
3300 
3301         // Add list-specific methods
3302         jQuery.each( tuples, function( i, tuple ) {
3303             var list = tuple[ 2 ],
3304                 stateString = tuple[ 3 ];
3305 
3306             // promise[ done | fail | progress ] = list.add
3307             promise[ tuple[1] ] = list.add;
3308 
3309             // Handle state
3310             if ( stateString ) {
3311                 list.add(function() {
3312                     // state = [ resolved | rejected ]
3313                     state = stateString;
3314 
3315                 // [ reject_list | resolve_list ].disable; progress_list.lock
3316                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3317             }
3318 
3319             // deferred[ resolve | reject | notify ]
3320             deferred[ tuple[0] ] = function() {
3321                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3322                 return this;
3323             };
3324             deferred[ tuple[0] + "With" ] = list.fireWith;
3325         });
3326 
3327         // Make the deferred a promise
3328         promise.promise( deferred );
3329 
3330         // Call given func if any
3331         if ( func ) {
3332             func.call( deferred, deferred );
3333         }
3334 
3335         // All done!
3336         return deferred;
3337     },
3338 
3339     // Deferred helper
3340     when: function( subordinate /* , ..., subordinateN */ ) {
3341         var i = 0,
3342             resolveValues = slice.call( arguments ),
3343             length = resolveValues.length,
3344 
3345             // the count of uncompleted subordinates
3346             remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3347 
3348             // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3349             deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3350 
3351             // Update function for both resolve and progress values
3352             updateFunc = function( i, contexts, values ) {
3353                 return function( value ) {
3354                     contexts[ i ] = this;
3355                     values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3356                     if ( values === progressValues ) {
3357                         deferred.notifyWith( contexts, values );
3358 
3359                     } else if ( !(--remaining) ) {
3360                         deferred.resolveWith( contexts, values );
3361                     }
3362                 };
3363             },
3364 
3365             progressValues, progressContexts, resolveContexts;
3366 
3367         // add listeners to Deferred subordinates; treat others as resolved
3368         if ( length > 1 ) {
3369             progressValues = new Array( length );
3370             progressContexts = new Array( length );
3371             resolveContexts = new Array( length );
3372             for ( ; i < length; i++ ) {
3373                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3374                     resolveValues[ i ].promise()
3375                         .done( updateFunc( i, resolveContexts, resolveValues ) )
3376                         .fail( deferred.reject )
3377                         .progress( updateFunc( i, progressContexts, progressValues ) );
3378                 } else {
3379                     --remaining;
3380                 }
3381             }
3382         }
3383 
3384         // if we're not waiting on anything, resolve the master
3385         if ( !remaining ) {
3386             deferred.resolveWith( resolveContexts, resolveValues );
3387         }
3388 
3389         return deferred.promise();
3390     }
3391 });
3392 
3393 
3394 // The deferred used on DOM ready
3395 var readyList;
3396 
3397 jQuery.fn.ready = function( fn ) {
3398     // Add the callback
3399     jQuery.ready.promise().done( fn );
3400 
3401     return this;
3402 };
3403 
3404 jQuery.extend({
3405     // Is the DOM ready to be used? Set to true once it occurs.
3406     isReady: false,
3407 
3408     // A counter to track how many items to wait for before
3409     // the ready event fires. See #6781
3410     readyWait: 1,
3411 
3412     // Hold (or release) the ready event
3413     holdReady: function( hold ) {
3414         if ( hold ) {
3415             jQuery.readyWait++;
3416         } else {
3417             jQuery.ready( true );
3418         }
3419     },
3420 
3421     // Handle when the DOM is ready
3422     ready: function( wait ) {
3423 
3424         // Abort if there are pending holds or we're already ready
3425         if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3426             return;
3427         }
3428 
3429         // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
3430         if ( !document.body ) {
3431             return setTimeout( jQuery.ready );
3432         }
3433 
3434         // Remember that the DOM is ready
3435         jQuery.isReady = true;
3436 
3437         // If a normal DOM Ready event fired, decrement, and wait if need be
3438         if ( wait !== true && --jQuery.readyWait > 0 ) {
3439             return;
3440         }
3441 
3442         // If there are functions bound, to execute
3443         readyList.resolveWith( document, [ jQuery ] );
3444 
3445         // Trigger any bound ready events
3446         if ( jQuery.fn.triggerHandler ) {
3447             jQuery( document ).triggerHandler( "ready" );
3448             jQuery( document ).off( "ready" );
3449         }
3450     }
3451 });
3452 
3453 /**
3454  * Clean-up method for dom ready events
3455  */
3456 function detach() {
3457     if ( document.addEventListener ) {
3458         document.removeEventListener( "DOMContentLoaded", completed, false );
3459         window.removeEventListener( "load", completed, false );
3460 
3461     } else {
3462         document.detachEvent( "onreadystatechange", completed );
3463         window.detachEvent( "onload", completed );
3464     }
3465 }
3466 
3467 /**
3468  * The ready event handler and self cleanup method
3469  */
3470 function completed() {
3471     // readyState === "complete" is good enough for us to call the dom ready in oldIE
3472     if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
3473         detach();
3474         jQuery.ready();
3475     }
3476 }
3477 
3478 jQuery.ready.promise = function( obj ) {
3479     if ( !readyList ) {
3480 
3481         readyList = jQuery.Deferred();
3482 
3483         // Catch cases where $(document).ready() is called after the browser event has already occurred.
3484         // we once tried to use readyState "interactive" here, but it caused issues like the one
3485         // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
3486         if ( document.readyState === "complete" ) {
3487             // Handle it asynchronously to allow scripts the opportunity to delay ready
3488             setTimeout( jQuery.ready );
3489 
3490         // Standards-based browsers support DOMContentLoaded
3491         } else if ( document.addEventListener ) {
3492             // Use the handy event callback
3493             document.addEventListener( "DOMContentLoaded", completed, false );
3494 
3495             // A fallback to window.onload, that will always work
3496             window.addEventListener( "load", completed, false );
3497 
3498         // If IE event model is used
3499         } else {
3500             // Ensure firing before onload, maybe late but safe also for iframes
3501             document.attachEvent( "onreadystatechange", completed );
3502 
3503             // A fallback to window.onload, that will always work
3504             window.attachEvent( "onload", completed );
3505 
3506             // If IE and not a frame
3507             // continually check to see if the document is ready
3508             var top = false;
3509 
3510             try {
3511                 top = window.frameElement == null && document.documentElement;
3512             } catch(e) {}
3513 
3514             if ( top && top.doScroll ) {
3515                 (function doScrollCheck() {
3516                     if ( !jQuery.isReady ) {
3517 
3518                         try {
3519                             // Use the trick by Diego Perini
3520                             // http://javascript.nwbox.com/IEContentLoaded/
3521                             top.doScroll("left");
3522                         } catch(e) {
3523                             return setTimeout( doScrollCheck, 50 );
3524                         }
3525 
3526                         // detach all dom ready events
3527                         detach();
3528 
3529                         // and execute any waiting functions
3530                         jQuery.ready();
3531                     }
3532                 })();
3533             }
3534         }
3535     }
3536     return readyList.promise( obj );
3537 };
3538 
3539 
3540 var strundefined = typeof undefined;
3541 
3542 
3543 
3544 // Support: IE<9
3545 // Iteration over object's inherited properties before its own
3546 var i;
3547 for ( i in jQuery( support ) ) {
3548     break;
3549 }
3550 support.ownLast = i !== "0";
3551 
3552 // Note: most support tests are defined in their respective modules.
3553 // false until the test is run
3554 support.inlineBlockNeedsLayout = false;
3555 
3556 // Execute ASAP in case we need to set body.style.zoom
3557 jQuery(function() {
3558     // Minified: var a,b,c,d
3559     var val, div, body, container;
3560 
3561     body = document.getElementsByTagName( "body" )[ 0 ];
3562     if ( !body || !body.style ) {
3563         // Return for frameset docs that don't have a body
3564         return;
3565     }
3566 
3567     // Setup
3568     div = document.createElement( "div" );
3569     container = document.createElement( "div" );
3570     container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
3571     body.appendChild( container ).appendChild( div );
3572 
3573     if ( typeof div.style.zoom !== strundefined ) {
3574         // Support: IE<8
3575         // Check if natively block-level elements act like inline-block
3576         // elements when setting their display to 'inline' and giving
3577         // them layout
3578         div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
3579 
3580         support.inlineBlockNeedsLayout = val = div.offsetWidth === 3;
3581         if ( val ) {
3582             // Prevent IE 6 from affecting layout for positioned elements #11048
3583             // Prevent IE from shrinking the body in IE 7 mode #12869
3584             // Support: IE<8
3585             body.style.zoom = 1;
3586         }
3587     }
3588 
3589     body.removeChild( container );
3590 });
3591 
3592 
3593 
3594 
3595 (function() {
3596     var div = document.createElement( "div" );
3597 
3598     // Execute the test only if not already executed in another module.
3599     if (support.deleteExpando == null) {
3600         // Support: IE<9
3601         support.deleteExpando = true;
3602         try {
3603             delete div.test;
3604         } catch( e ) {
3605             support.deleteExpando = false;
3606         }
3607     }
3608 
3609     // Null elements to avoid leaks in IE.
3610     div = null;
3611 })();
3612 
3613 
3614 /**
3615  * Determines whether an object can have data
3616  */
3617 jQuery.acceptData = function( elem ) {
3618     var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ],
3619         nodeType = +elem.nodeType || 1;
3620 
3621     // Do not set data on non-element DOM nodes because it will not be cleared (#8335).
3622     return nodeType !== 1 && nodeType !== 9 ?
3623         false :
3624 
3625         // Nodes accept data unless otherwise specified; rejection can be conditional
3626         !noData || noData !== true && elem.getAttribute("classid") === noData;
3627 };
3628 
3629 
3630 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
3631     rmultiDash = /([A-Z])/g;
3632 
3633 function dataAttr( elem, key, data ) {
3634     // If nothing was found internally, try to fetch any
3635     // data from the HTML5 data-* attribute
3636     if ( data === undefined && elem.nodeType === 1 ) {
3637 
3638         var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3639 
3640         data = elem.getAttribute( name );
3641 
3642         if ( typeof data === "string" ) {
3643             try {
3644                 data = data === "true" ? true :
3645                     data === "false" ? false :
3646                     data === "null" ? null :
3647                     // Only convert to a number if it doesn't change the string
3648                     +data + "" === data ? +data :
3649                     rbrace.test( data ) ? jQuery.parseJSON( data ) :
3650                     data;
3651             } catch( e ) {}
3652 
3653             // Make sure we set the data so it isn't changed later
3654             jQuery.data( elem, key, data );
3655 
3656         } else {
3657             data = undefined;
3658         }
3659     }
3660 
3661     return data;
3662 }
3663 
3664 // checks a cache object for emptiness
3665 function isEmptyDataObject( obj ) {
3666     var name;
3667     for ( name in obj ) {
3668 
3669         // if the public data object is empty, the private is still empty
3670         if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3671             continue;
3672         }
3673         if ( name !== "toJSON" ) {
3674             return false;
3675         }
3676     }
3677 
3678     return true;
3679 }
3680 
3681 function internalData( elem, name, data, pvt /* Internal Use Only */ ) {
3682     if ( !jQuery.acceptData( elem ) ) {
3683         return;
3684     }
3685 
3686     var ret, thisCache,
3687         internalKey = jQuery.expando,
3688 
3689         // We have to handle DOM nodes and JS objects differently because IE6-7
3690         // can't GC object references properly across the DOM-JS boundary
3691         isNode = elem.nodeType,
3692 
3693         // Only DOM nodes need the global jQuery cache; JS object data is
3694         // attached directly to the object so GC can occur automatically
3695         cache = isNode ? jQuery.cache : elem,
3696 
3697         // Only defining an ID for JS objects if its cache already exists allows
3698         // the code to shortcut on the same path as a DOM node with no cache
3699         id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3700 
3701     // Avoid doing any more work than we need to when trying to get data on an
3702     // object that has no data at all
3703     if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3704         return;
3705     }
3706 
3707     if ( !id ) {
3708         // Only DOM nodes need a new unique ID for each element since their data
3709         // ends up in the global cache
3710         if ( isNode ) {
3711             id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++;
3712         } else {
3713             id = internalKey;
3714         }
3715     }
3716 
3717     if ( !cache[ id ] ) {
3718         // Avoid exposing jQuery metadata on plain JS objects when the object
3719         // is serialized using JSON.stringify
3720         cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3721     }
3722 
3723     // An object can be passed to jQuery.data instead of a key/value pair; this gets
3724     // shallow copied over onto the existing cache
3725     if ( typeof name === "object" || typeof name === "function" ) {
3726         if ( pvt ) {
3727             cache[ id ] = jQuery.extend( cache[ id ], name );
3728         } else {
3729             cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3730         }
3731     }
3732 
3733     thisCache = cache[ id ];
3734 
3735     // jQuery data() is stored in a separate object inside the object's internal data
3736     // cache in order to avoid key collisions between internal data and user-defined
3737     // data.
3738     if ( !pvt ) {
3739         if ( !thisCache.data ) {
3740             thisCache.data = {};
3741         }
3742 
3743         thisCache = thisCache.data;
3744     }
3745 
3746     if ( data !== undefined ) {
3747         thisCache[ jQuery.camelCase( name ) ] = data;
3748     }
3749 
3750     // Check for both converted-to-camel and non-converted data property names
3751     // If a data property was specified
3752     if ( typeof name === "string" ) {
3753 
3754         // First Try to find as-is property data
3755         ret = thisCache[ name ];
3756 
3757         // Test for null|undefined property data
3758         if ( ret == null ) {
3759 
3760             // Try to find the camelCased property
3761             ret = thisCache[ jQuery.camelCase( name ) ];
3762         }
3763     } else {
3764         ret = thisCache;
3765     }
3766 
3767     return ret;
3768 }
3769 
3770 function internalRemoveData( elem, name, pvt ) {
3771     if ( !jQuery.acceptData( elem ) ) {
3772         return;
3773     }
3774 
3775     var thisCache, i,
3776         isNode = elem.nodeType,
3777 
3778         // See jQuery.data for more information
3779         cache = isNode ? jQuery.cache : elem,
3780         id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3781 
3782     // If there is already no cache entry for this object, there is no
3783     // purpose in continuing
3784     if ( !cache[ id ] ) {
3785         return;
3786     }
3787 
3788     if ( name ) {
3789 
3790         thisCache = pvt ? cache[ id ] : cache[ id ].data;
3791 
3792         if ( thisCache ) {
3793 
3794             // Support array or space separated string names for data keys
3795             if ( !jQuery.isArray( name ) ) {
3796 
3797                 // try the string as a key before any manipulation
3798                 if ( name in thisCache ) {
3799                     name = [ name ];
3800                 } else {
3801 
3802                     // split the camel cased version by spaces unless a key with the spaces exists
3803                     name = jQuery.camelCase( name );
3804                     if ( name in thisCache ) {
3805                         name = [ name ];
3806                     } else {
3807                         name = name.split(" ");
3808                     }
3809                 }
3810             } else {
3811                 // If "name" is an array of keys...
3812                 // When data is initially created, via ("key", "val") signature,
3813                 // keys will be converted to camelCase.
3814                 // Since there is no way to tell _how_ a key was added, remove
3815                 // both plain key and camelCase key. #12786
3816                 // This will only penalize the array argument path.
3817                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3818             }
3819 
3820             i = name.length;
3821             while ( i-- ) {
3822                 delete thisCache[ name[i] ];
3823             }
3824 
3825             // If there is no data left in the cache, we want to continue
3826             // and let the cache object itself get destroyed
3827             if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3828                 return;
3829             }
3830         }
3831     }
3832 
3833     // See jQuery.data for more information
3834     if ( !pvt ) {
3835         delete cache[ id ].data;
3836 
3837         // Don't destroy the parent cache unless the internal data object
3838         // had been the only thing left in it
3839         if ( !isEmptyDataObject( cache[ id ] ) ) {
3840             return;
3841         }
3842     }
3843 
3844     // Destroy the cache
3845     if ( isNode ) {
3846         jQuery.cleanData( [ elem ], true );
3847 
3848     // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3849     /* jshint eqeqeq: false */
3850     } else if ( support.deleteExpando || cache != cache.window ) {
3851         /* jshint eqeqeq: true */
3852         delete cache[ id ];
3853 
3854     // When all else fails, null
3855     } else {
3856         cache[ id ] = null;
3857     }
3858 }
3859 
3860 jQuery.extend({
3861     cache: {},
3862 
3863     // The following elements (space-suffixed to avoid Object.prototype collisions)
3864     // throw uncatchable exceptions if you attempt to set expando properties
3865     noData: {
3866         "applet ": true,
3867         "embed ": true,
3868         // ...but Flash objects (which have this classid) *can* handle expandos
3869         "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3870     },
3871 
3872     hasData: function( elem ) {
3873         elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3874         return !!elem && !isEmptyDataObject( elem );
3875     },
3876 
3877     data: function( elem, name, data ) {
3878         return internalData( elem, name, data );
3879     },
3880 
3881     removeData: function( elem, name ) {
3882         return internalRemoveData( elem, name );
3883     },
3884 
3885     // For internal use only.
3886     _data: function( elem, name, data ) {
3887         return internalData( elem, name, data, true );
3888     },
3889 
3890     _removeData: function( elem, name ) {
3891         return internalRemoveData( elem, name, true );
3892     }
3893 });
3894 
3895 jQuery.fn.extend({
3896     data: function( key, value ) {
3897         var i, name, data,
3898             elem = this[0],
3899             attrs = elem && elem.attributes;
3900 
3901         // Special expections of .data basically thwart jQuery.access,
3902         // so implement the relevant behavior ourselves
3903 
3904         // Gets all values
3905         if ( key === undefined ) {
3906             if ( this.length ) {
3907                 data = jQuery.data( elem );
3908 
3909                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3910                     i = attrs.length;
3911                     while ( i-- ) {
3912 
3913                         // Support: IE11+
3914                         // The attrs elements can be null (#14894)
3915                         if ( attrs[ i ] ) {
3916                             name = attrs[ i ].name;
3917                             if ( name.indexOf( "data-" ) === 0 ) {
3918                                 name = jQuery.camelCase( name.slice(5) );
3919                                 dataAttr( elem, name, data[ name ] );
3920                             }
3921                         }
3922                     }
3923                     jQuery._data( elem, "parsedAttrs", true );
3924                 }
3925             }
3926 
3927             return data;
3928         }
3929 
3930         // Sets multiple values
3931         if ( typeof key === "object" ) {
3932             return this.each(function() {
3933                 jQuery.data( this, key );
3934             });
3935         }
3936 
3937         return arguments.length > 1 ?
3938 
3939             // Sets one value
3940             this.each(function() {
3941                 jQuery.data( this, key, value );
3942             }) :
3943 
3944             // Gets one value
3945             // Try to fetch any internally stored data first
3946             elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined;
3947     },
3948 
3949     removeData: function( key ) {
3950         return this.each(function() {
3951             jQuery.removeData( this, key );
3952         });
3953     }
3954 });
3955 
3956 
3957 jQuery.extend({
3958     queue: function( elem, type, data ) {
3959         var queue;
3960 
3961         if ( elem ) {
3962             type = ( type || "fx" ) + "queue";
3963             queue = jQuery._data( elem, type );
3964 
3965             // Speed up dequeue by getting out quickly if this is just a lookup
3966             if ( data ) {
3967                 if ( !queue || jQuery.isArray(data) ) {
3968                     queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3969                 } else {
3970                     queue.push( data );
3971                 }
3972             }
3973             return queue || [];
3974         }
3975     },
3976 
3977     dequeue: function( elem, type ) {
3978         type = type || "fx";
3979 
3980         var queue = jQuery.queue( elem, type ),
3981             startLength = queue.length,
3982             fn = queue.shift(),
3983             hooks = jQuery._queueHooks( elem, type ),
3984             next = function() {
3985                 jQuery.dequeue( elem, type );
3986             };
3987 
3988         // If the fx queue is dequeued, always remove the progress sentinel
3989         if ( fn === "inprogress" ) {
3990             fn = queue.shift();
3991             startLength--;
3992         }
3993 
3994         if ( fn ) {
3995 
3996             // Add a progress sentinel to prevent the fx queue from being
3997             // automatically dequeued
3998             if ( type === "fx" ) {
3999                 queue.unshift( "inprogress" );
4000             }
4001 
4002             // clear up the last queue stop function
4003             delete hooks.stop;
4004             fn.call( elem, next, hooks );
4005         }
4006 
4007         if ( !startLength && hooks ) {
4008             hooks.empty.fire();
4009         }
4010     },
4011 
4012     // not intended for public consumption - generates a queueHooks object, or returns the current one
4013     _queueHooks: function( elem, type ) {
4014         var key = type + "queueHooks";
4015         return jQuery._data( elem, key ) || jQuery._data( elem, key, {
4016             empty: jQuery.Callbacks("once memory").add(function() {
4017                 jQuery._removeData( elem, type + "queue" );
4018                 jQuery._removeData( elem, key );
4019             })
4020         });
4021     }
4022 });
4023 
4024 jQuery.fn.extend({
4025     queue: function( type, data ) {
4026         var setter = 2;
4027 
4028         if ( typeof type !== "string" ) {
4029             data = type;
4030             type = "fx";
4031             setter--;
4032         }
4033 
4034         if ( arguments.length < setter ) {
4035             return jQuery.queue( this[0], type );
4036         }
4037 
4038         return data === undefined ?
4039             this :
4040             this.each(function() {
4041                 var queue = jQuery.queue( this, type, data );
4042 
4043                 // ensure a hooks for this queue
4044                 jQuery._queueHooks( this, type );
4045 
4046                 if ( type === "fx" && queue[0] !== "inprogress" ) {
4047                     jQuery.dequeue( this, type );
4048                 }
4049             });
4050     },
4051     dequeue: function( type ) {
4052         return this.each(function() {
4053             jQuery.dequeue( this, type );
4054         });
4055     },
4056     clearQueue: function( type ) {
4057         return this.queue( type || "fx", [] );
4058     },
4059     // Get a promise resolved when queues of a certain type
4060     // are emptied (fx is the type by default)
4061     promise: function( type, obj ) {
4062         var tmp,
4063             count = 1,
4064             defer = jQuery.Deferred(),
4065             elements = this,
4066             i = this.length,
4067             resolve = function() {
4068                 if ( !( --count ) ) {
4069                     defer.resolveWith( elements, [ elements ] );
4070                 }
4071             };
4072 
4073         if ( typeof type !== "string" ) {
4074             obj = type;
4075             type = undefined;
4076         }
4077         type = type || "fx";
4078 
4079         while ( i-- ) {
4080             tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4081             if ( tmp && tmp.empty ) {
4082                 count++;
4083                 tmp.empty.add( resolve );
4084             }
4085         }
4086         resolve();
4087         return defer.promise( obj );
4088     }
4089 });
4090 var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
4091 
4092 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4093 
4094 var isHidden = function( elem, el ) {
4095         // isHidden might be called from jQuery#filter function;
4096         // in that case, element will be second argument
4097         elem = el || elem;
4098         return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
4099     };
4100 
4101 
4102 
4103 // Multifunctional method to get and set values of a collection
4104 // The value/s can optionally be executed if it's a function
4105 var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
4106     var i = 0,
4107         length = elems.length,
4108         bulk = key == null;
4109 
4110     // Sets many values
4111     if ( jQuery.type( key ) === "object" ) {
4112         chainable = true;
4113         for ( i in key ) {
4114             jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
4115         }
4116 
4117     // Sets one value
4118     } else if ( value !== undefined ) {
4119         chainable = true;
4120 
4121         if ( !jQuery.isFunction( value ) ) {
4122             raw = true;
4123         }
4124 
4125         if ( bulk ) {
4126             // Bulk operations run against the entire set
4127             if ( raw ) {
4128                 fn.call( elems, value );
4129                 fn = null;
4130 
4131             // ...except when executing function values
4132             } else {
4133                 bulk = fn;
4134                 fn = function( elem, key, value ) {
4135                     return bulk.call( jQuery( elem ), value );
4136                 };
4137             }
4138         }
4139 
4140         if ( fn ) {
4141             for ( ; i < length; i++ ) {
4142                 fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
4143             }
4144         }
4145     }
4146 
4147     return chainable ?
4148         elems :
4149 
4150         // Gets
4151         bulk ?
4152             fn.call( elems ) :
4153             length ? fn( elems[0], key ) : emptyGet;
4154 };
4155 var rcheckableType = (/^(?:checkbox|radio)$/i);
4156 
4157 
4158 
4159 (function() {
4160     // Minified: var a,b,c
4161     var input = document.createElement( "input" ),
4162         div = document.createElement( "div" ),
4163         fragment = document.createDocumentFragment();
4164 
4165     // Setup
4166     div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
4167 
4168     // IE strips leading whitespace when .innerHTML is used
4169     support.leadingWhitespace = div.firstChild.nodeType === 3;
4170 
4171     // Make sure that tbody elements aren't automatically inserted
4172     // IE will insert them into empty tables
4173     support.tbody = !div.getElementsByTagName( "tbody" ).length;
4174 
4175     // Make sure that link elements get serialized correctly by innerHTML
4176     // This requires a wrapper element in IE
4177     support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
4178 
4179     // Makes sure cloning an html5 element does not cause problems
4180     // Where outerHTML is undefined, this still works
4181     support.html5Clone =
4182         document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
4183 
4184     // Check if a disconnected checkbox will retain its checked
4185     // value of true after appended to the DOM (IE6/7)
4186     input.type = "checkbox";
4187     input.checked = true;
4188     fragment.appendChild( input );
4189     support.appendChecked = input.checked;
4190 
4191     // Make sure textarea (and checkbox) defaultValue is properly cloned
4192     // Support: IE6-IE11+
4193     div.innerHTML = "<textarea>x</textarea>";
4194     support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4195 
4196     // #11217 - WebKit loses check when the name is after the checked attribute
4197     fragment.appendChild( div );
4198     div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
4199 
4200     // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
4201     // old WebKit doesn't clone checked state correctly in fragments
4202     support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4203 
4204     // Support: IE<9
4205     // Opera does not clone events (and typeof div.attachEvent === undefined).
4206     // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
4207     support.noCloneEvent = true;
4208     if ( div.attachEvent ) {
4209         div.attachEvent( "onclick", function() {
4210             support.noCloneEvent = false;
4211         });
4212 
4213         div.cloneNode( true ).click();
4214     }
4215 
4216     // Execute the test only if not already executed in another module.
4217     if (support.deleteExpando == null) {
4218         // Support: IE<9
4219         support.deleteExpando = true;
4220         try {
4221             delete div.test;
4222         } catch( e ) {
4223             support.deleteExpando = false;
4224         }
4225     }
4226 })();
4227 
4228 
4229 (function() {
4230     var i, eventName,
4231         div = document.createElement( "div" );
4232 
4233     // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event)
4234     for ( i in { submit: true, change: true, focusin: true }) {
4235         eventName = "on" + i;
4236 
4237         if ( !(support[ i + "Bubbles" ] = eventName in window) ) {
4238             // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
4239             div.setAttribute( eventName, "t" );
4240             support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false;
4241         }
4242     }
4243 
4244     // Null elements to avoid leaks in IE.
4245     div = null;
4246 })();
4247 
4248 
4249 var rformElems = /^(?:input|select|textarea)$/i,
4250     rkeyEvent = /^key/,
4251     rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
4252     rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4253     rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4254 
4255 function returnTrue() {
4256     return true;
4257 }
4258 
4259 function returnFalse() {
4260     return false;
4261 }
4262 
4263 function safeActiveElement() {
4264     try {
4265         return document.activeElement;
4266     } catch ( err ) { }
4267 }
4268 
4269 /*
4270  * Helper functions for managing events -- not part of the public interface.
4271  * Props to Dean Edwards' addEvent library for many of the ideas.
4272  */
4273 jQuery.event = {
4274 
4275     global: {},
4276 
4277     add: function( elem, types, handler, data, selector ) {
4278         var tmp, events, t, handleObjIn,
4279             special, eventHandle, handleObj,
4280             handlers, type, namespaces, origType,
4281             elemData = jQuery._data( elem );
4282 
4283         // Don't attach events to noData or text/comment nodes (but allow plain objects)
4284         if ( !elemData ) {
4285             return;
4286         }
4287 
4288         // Caller can pass in an object of custom data in lieu of the handler
4289         if ( handler.handler ) {
4290             handleObjIn = handler;
4291             handler = handleObjIn.handler;
4292             selector = handleObjIn.selector;
4293         }
4294 
4295         // Make sure that the handler has a unique ID, used to find/remove it later
4296         if ( !handler.guid ) {
4297             handler.guid = jQuery.guid++;
4298         }
4299 
4300         // Init the element's event structure and main handler, if this is the first
4301         if ( !(events = elemData.events) ) {
4302             events = elemData.events = {};
4303         }
4304         if ( !(eventHandle = elemData.handle) ) {
4305             eventHandle = elemData.handle = function( e ) {
4306                 // Discard the second event of a jQuery.event.trigger() and
4307                 // when an event is called after a page has unloaded
4308                 return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ?
4309                     jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4310                     undefined;
4311             };
4312             // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4313             eventHandle.elem = elem;
4314         }
4315 
4316         // Handle multiple events separated by a space
4317         types = ( types || "" ).match( rnotwhite ) || [ "" ];
4318         t = types.length;
4319         while ( t-- ) {
4320             tmp = rtypenamespace.exec( types[t] ) || [];
4321             type = origType = tmp[1];
4322             namespaces = ( tmp[2] || "" ).split( "." ).sort();
4323 
4324             // There *must* be a type, no attaching namespace-only handlers
4325             if ( !type ) {
4326                 continue;
4327             }
4328 
4329             // If event changes its type, use the special event handlers for the changed type
4330             special = jQuery.event.special[ type ] || {};
4331 
4332             // If selector defined, determine special event api type, otherwise given type
4333             type = ( selector ? special.delegateType : special.bindType ) || type;
4334 
4335             // Update special based on newly reset type
4336             special = jQuery.event.special[ type ] || {};
4337 
4338             // handleObj is passed to all event handlers
4339             handleObj = jQuery.extend({
4340                 type: type,
4341                 origType: origType,
4342                 data: data,
4343                 handler: handler,
4344                 guid: handler.guid,
4345                 selector: selector,
4346                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4347                 namespace: namespaces.join(".")
4348             }, handleObjIn );
4349 
4350             // Init the event handler queue if we're the first
4351             if ( !(handlers = events[ type ]) ) {
4352                 handlers = events[ type ] = [];
4353                 handlers.delegateCount = 0;
4354 
4355                 // Only use addEventListener/attachEvent if the special events handler returns false
4356                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4357                     // Bind the global event handler to the element
4358                     if ( elem.addEventListener ) {
4359                         elem.addEventListener( type, eventHandle, false );
4360 
4361                     } else if ( elem.attachEvent ) {
4362                         elem.attachEvent( "on" + type, eventHandle );
4363                     }
4364                 }
4365             }
4366 
4367             if ( special.add ) {
4368                 special.add.call( elem, handleObj );
4369 
4370                 if ( !handleObj.handler.guid ) {
4371                     handleObj.handler.guid = handler.guid;
4372                 }
4373             }
4374 
4375             // Add to the element's handler list, delegates in front
4376             if ( selector ) {
4377                 handlers.splice( handlers.delegateCount++, 0, handleObj );
4378             } else {
4379                 handlers.push( handleObj );
4380             }
4381 
4382             // Keep track of which events have ever been used, for event optimization
4383             jQuery.event.global[ type ] = true;
4384         }
4385 
4386         // Nullify elem to prevent memory leaks in IE
4387         elem = null;
4388     },
4389 
4390     // Detach an event or set of events from an element
4391     remove: function( elem, types, handler, selector, mappedTypes ) {
4392         var j, handleObj, tmp,
4393             origCount, t, events,
4394             special, handlers, type,
4395             namespaces, origType,
4396             elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4397 
4398         if ( !elemData || !(events = elemData.events) ) {
4399             return;
4400         }
4401 
4402         // Once for each type.namespace in types; type may be omitted
4403         types = ( types || "" ).match( rnotwhite ) || [ "" ];
4404         t = types.length;
4405         while ( t-- ) {
4406             tmp = rtypenamespace.exec( types[t] ) || [];
4407             type = origType = tmp[1];
4408             namespaces = ( tmp[2] || "" ).split( "." ).sort();
4409 
4410             // Unbind all events (on this namespace, if provided) for the element
4411             if ( !type ) {
4412                 for ( type in events ) {
4413                     jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4414                 }
4415                 continue;
4416             }
4417 
4418             special = jQuery.event.special[ type ] || {};
4419             type = ( selector ? special.delegateType : special.bindType ) || type;
4420             handlers = events[ type ] || [];
4421             tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4422 
4423             // Remove matching events
4424             origCount = j = handlers.length;
4425             while ( j-- ) {
4426                 handleObj = handlers[ j ];
4427 
4428                 if ( ( mappedTypes || origType === handleObj.origType ) &&
4429                     ( !handler || handler.guid === handleObj.guid ) &&
4430                     ( !tmp || tmp.test( handleObj.namespace ) ) &&
4431                     ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4432                     handlers.splice( j, 1 );
4433 
4434                     if ( handleObj.selector ) {
4435                         handlers.delegateCount--;
4436                     }
4437                     if ( special.remove ) {
4438                         special.remove.call( elem, handleObj );
4439                     }
4440                 }
4441             }
4442 
4443             // Remove generic event handler if we removed something and no more handlers exist
4444             // (avoids potential for endless recursion during removal of special event handlers)
4445             if ( origCount && !handlers.length ) {
4446                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4447                     jQuery.removeEvent( elem, type, elemData.handle );
4448                 }
4449 
4450                 delete events[ type ];
4451             }
4452         }
4453 
4454         // Remove the expando if it's no longer used
4455         if ( jQuery.isEmptyObject( events ) ) {
4456             delete elemData.handle;
4457 
4458             // removeData also checks for emptiness and clears the expando if empty
4459             // so use it instead of delete
4460             jQuery._removeData( elem, "events" );
4461         }
4462     },
4463 
4464     trigger: function( event, data, elem, onlyHandlers ) {
4465         var handle, ontype, cur,
4466             bubbleType, special, tmp, i,
4467             eventPath = [ elem || document ],
4468             type = hasOwn.call( event, "type" ) ? event.type : event,
4469             namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4470 
4471         cur = tmp = elem = elem || document;
4472 
4473         // Don't do events on text and comment nodes
4474         if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4475             return;
4476         }
4477 
4478         // focus/blur morphs to focusin/out; ensure we're not firing them right now
4479         if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4480             return;
4481         }
4482 
4483         if ( type.indexOf(".") >= 0 ) {
4484             // Namespaced trigger; create a regexp to match event type in handle()
4485             namespaces = type.split(".");
4486             type = namespaces.shift();
4487             namespaces.sort();
4488         }
4489         ontype = type.indexOf(":") < 0 && "on" + type;
4490 
4491         // Caller can pass in a jQuery.Event object, Object, or just an event type string
4492         event = event[ jQuery.expando ] ?
4493             event :
4494             new jQuery.Event( type, typeof event === "object" && event );
4495 
4496         // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4497         event.isTrigger = onlyHandlers ? 2 : 3;
4498         event.namespace = namespaces.join(".");
4499         event.namespace_re = event.namespace ?
4500             new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4501             null;
4502 
4503         // Clean up the event in case it is being reused
4504         event.result = undefined;
4505         if ( !event.target ) {
4506             event.target = elem;
4507         }
4508 
4509         // Clone any incoming data and prepend the event, creating the handler arg list
4510         data = data == null ?
4511             [ event ] :
4512             jQuery.makeArray( data, [ event ] );
4513 
4514         // Allow special events to draw outside the lines
4515         special = jQuery.event.special[ type ] || {};
4516         if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4517             return;
4518         }
4519 
4520         // Determine event propagation path in advance, per W3C events spec (#9951)
4521         // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4522         if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4523 
4524             bubbleType = special.delegateType || type;
4525             if ( !rfocusMorph.test( bubbleType + type ) ) {
4526                 cur = cur.parentNode;
4527             }
4528             for ( ; cur; cur = cur.parentNode ) {
4529                 eventPath.push( cur );
4530                 tmp = cur;
4531             }
4532 
4533             // Only add window if we got to document (e.g., not plain obj or detached DOM)
4534             if ( tmp === (elem.ownerDocument || document) ) {
4535                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
4536             }
4537         }
4538 
4539         // Fire handlers on the event path
4540         i = 0;
4541         while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
4542 
4543             event.type = i > 1 ?
4544                 bubbleType :
4545                 special.bindType || type;
4546 
4547             // jQuery handler
4548             handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
4549             if ( handle ) {
4550                 handle.apply( cur, data );
4551             }
4552 
4553             // Native handler
4554             handle = ontype && cur[ ontype ];
4555             if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
4556                 event.result = handle.apply( cur, data );
4557                 if ( event.result === false ) {
4558                     event.preventDefault();
4559                 }
4560             }
4561         }
4562         event.type = type;
4563 
4564         // If nobody prevented the default action, do it now
4565         if ( !onlyHandlers && !event.isDefaultPrevented() ) {
4566 
4567             if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
4568                 jQuery.acceptData( elem ) ) {
4569 
4570                 // Call a native DOM method on the target with the same name name as the event.
4571                 // Can't use an .isFunction() check here because IE6/7 fails that test.
4572                 // Don't do default actions on window, that's where global variables be (#6170)
4573                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
4574 
4575                     // Don't re-trigger an onFOO event when we call its FOO() method
4576                     tmp = elem[ ontype ];
4577 
4578                     if ( tmp ) {
4579                         elem[ ontype ] = null;
4580                     }
4581 
4582                     // Prevent re-triggering of the same event, since we already bubbled it above
4583                     jQuery.event.triggered = type;
4584                     try {
4585                         elem[ type ]();
4586                     } catch ( e ) {
4587                         // IE<9 dies on focus/blur to hidden element (#1486,#12518)
4588                         // only reproducible on winXP IE8 native, not IE9 in IE8 mode
4589                     }
4590                     jQuery.event.triggered = undefined;
4591 
4592                     if ( tmp ) {
4593                         elem[ ontype ] = tmp;
4594                     }
4595                 }
4596             }
4597         }
4598 
4599         return event.result;
4600     },
4601 
4602     dispatch: function( event ) {
4603 
4604         // Make a writable jQuery.Event from the native event object
4605         event = jQuery.event.fix( event );
4606 
4607         var i, ret, handleObj, matched, j,
4608             handlerQueue = [],
4609             args = slice.call( arguments ),
4610             handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
4611             special = jQuery.event.special[ event.type ] || {};
4612 
4613         // Use the fix-ed jQuery.Event rather than the (read-only) native event
4614         args[0] = event;
4615         event.delegateTarget = this;
4616 
4617         // Call the preDispatch hook for the mapped type, and let it bail if desired
4618         if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
4619             return;
4620         }
4621 
4622         // Determine handlers
4623         handlerQueue = jQuery.event.handlers.call( this, event, handlers );
4624 
4625         // Run delegates first; they may want to stop propagation beneath us
4626         i = 0;
4627         while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
4628             event.currentTarget = matched.elem;
4629 
4630             j = 0;
4631             while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
4632 
4633                 // Triggered event must either 1) have no namespace, or
4634                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
4635                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
4636 
4637                     event.handleObj = handleObj;
4638                     event.data = handleObj.data;
4639 
4640                     ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
4641                             .apply( matched.elem, args );
4642 
4643                     if ( ret !== undefined ) {
4644                         if ( (event.result = ret) === false ) {
4645                             event.preventDefault();
4646                             event.stopPropagation();
4647                         }
4648                     }
4649                 }
4650             }
4651         }
4652 
4653         // Call the postDispatch hook for the mapped type
4654         if ( special.postDispatch ) {
4655             special.postDispatch.call( this, event );
4656         }
4657 
4658         return event.result;
4659     },
4660 
4661     handlers: function( event, handlers ) {
4662         var sel, handleObj, matches, i,
4663             handlerQueue = [],
4664             delegateCount = handlers.delegateCount,
4665             cur = event.target;
4666 
4667         // Find delegate handlers
4668         // Black-hole SVG <use> instance trees (#13180)
4669         // Avoid non-left-click bubbling in Firefox (#3861)
4670         if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
4671 
4672             /* jshint eqeqeq: false */
4673             for ( ; cur != this; cur = cur.parentNode || this ) {
4674                 /* jshint eqeqeq: true */
4675 
4676                 // Don't check non-elements (#13208)
4677                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
4678                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
4679                     matches = [];
4680                     for ( i = 0; i < delegateCount; i++ ) {
4681                         handleObj = handlers[ i ];
4682 
4683                         // Don't conflict with Object.prototype properties (#13203)
4684                         sel = handleObj.selector + " ";
4685 
4686                         if ( matches[ sel ] === undefined ) {
4687                             matches[ sel ] = handleObj.needsContext ?
4688                                 jQuery( sel, this ).index( cur ) >= 0 :
4689                                 jQuery.find( sel, this, null, [ cur ] ).length;
4690                         }
4691                         if ( matches[ sel ] ) {
4692                             matches.push( handleObj );
4693                         }
4694                     }
4695                     if ( matches.length ) {
4696                         handlerQueue.push({ elem: cur, handlers: matches });
4697                     }
4698                 }
4699             }
4700         }
4701 
4702         // Add the remaining (directly-bound) handlers
4703         if ( delegateCount < handlers.length ) {
4704             handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
4705         }
4706 
4707         return handlerQueue;
4708     },
4709 
4710     fix: function( event ) {
4711         if ( event[ jQuery.expando ] ) {
4712             return event;
4713         }
4714 
4715         // Create a writable copy of the event object and normalize some properties
4716         var i, prop, copy,
4717             type = event.type,
4718             originalEvent = event,
4719             fixHook = this.fixHooks[ type ];
4720 
4721         if ( !fixHook ) {
4722             this.fixHooks[ type ] = fixHook =
4723                 rmouseEvent.test( type ) ? this.mouseHooks :
4724                 rkeyEvent.test( type ) ? this.keyHooks :
4725                 {};
4726         }
4727         copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
4728 
4729         event = new jQuery.Event( originalEvent );
4730 
4731         i = copy.length;
4732         while ( i-- ) {
4733             prop = copy[ i ];
4734             event[ prop ] = originalEvent[ prop ];
4735         }
4736 
4737         // Support: IE<9
4738         // Fix target property (#1925)
4739         if ( !event.target ) {
4740             event.target = originalEvent.srcElement || document;
4741         }
4742 
4743         // Support: Chrome 23+, Safari?
4744         // Target should not be a text node (#504, #13143)
4745         if ( event.target.nodeType === 3 ) {
4746             event.target = event.target.parentNode;
4747         }
4748 
4749         // Support: IE<9
4750         // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
4751         event.metaKey = !!event.metaKey;
4752 
4753         return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
4754     },
4755 
4756     // Includes some event props shared by KeyEvent and MouseEvent
4757     props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
4758 
4759     fixHooks: {},
4760 
4761     keyHooks: {
4762         props: "char charCode key keyCode".split(" "),
4763         filter: function( event, original ) {
4764 
4765             // Add which for key events
4766             if ( event.which == null ) {
4767                 event.which = original.charCode != null ? original.charCode : original.keyCode;
4768             }
4769 
4770             return event;
4771         }
4772     },
4773 
4774     mouseHooks: {
4775         props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
4776         filter: function( event, original ) {
4777             var body, eventDoc, doc,
4778                 button = original.button,
4779                 fromElement = original.fromElement;
4780 
4781             // Calculate pageX/Y if missing and clientX/Y available
4782             if ( event.pageX == null && original.clientX != null ) {
4783                 eventDoc = event.target.ownerDocument || document;
4784                 doc = eventDoc.documentElement;
4785                 body = eventDoc.body;
4786 
4787                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
4788                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
4789             }
4790 
4791             // Add relatedTarget, if necessary
4792             if ( !event.relatedTarget && fromElement ) {
4793                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
4794             }
4795 
4796             // Add which for click: 1 === left; 2 === middle; 3 === right
4797             // Note: button is not normalized, so don't use it
4798             if ( !event.which && button !== undefined ) {
4799                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
4800             }
4801 
4802             return event;
4803         }
4804     },
4805 
4806     special: {
4807         load: {
4808             // Prevent triggered image.load events from bubbling to window.load
4809             noBubble: true
4810         },
4811         focus: {
4812             // Fire native event if possible so blur/focus sequence is correct
4813             trigger: function() {
4814                 if ( this !== safeActiveElement() && this.focus ) {
4815                     try {
4816                         this.focus();
4817                         return false;
4818                     } catch ( e ) {
4819                         // Support: IE<9
4820                         // If we error on focus to hidden element (#1486, #12518),
4821                         // let .trigger() run the handlers
4822                     }
4823                 }
4824             },
4825             delegateType: "focusin"
4826         },
4827         blur: {
4828             trigger: function() {
4829                 if ( this === safeActiveElement() && this.blur ) {
4830                     this.blur();
4831                     return false;
4832                 }
4833             },
4834             delegateType: "focusout"
4835         },
4836         click: {
4837             // For checkbox, fire native event so checked state will be right
4838             trigger: function() {
4839                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
4840                     this.click();
4841                     return false;
4842                 }
4843             },
4844 
4845             // For cross-browser consistency, don't fire native .click() on links
4846             _default: function( event ) {
4847                 return jQuery.nodeName( event.target, "a" );
4848             }
4849         },
4850 
4851         beforeunload: {
4852             postDispatch: function( event ) {
4853 
4854                 // Support: Firefox 20+
4855                 // Firefox doesn't alert if the returnValue field is not set.
4856                 if ( event.result !== undefined && event.originalEvent ) {
4857                     event.originalEvent.returnValue = event.result;
4858                 }
4859             }
4860         }
4861     },
4862 
4863     simulate: function( type, elem, event, bubble ) {
4864         // Piggyback on a donor event to simulate a different one.
4865         // Fake originalEvent to avoid donor's stopPropagation, but if the
4866         // simulated event prevents default then we do the same on the donor.
4867         var e = jQuery.extend(
4868             new jQuery.Event(),
4869             event,
4870             {
4871                 type: type,
4872                 isSimulated: true,
4873                 originalEvent: {}
4874             }
4875         );
4876         if ( bubble ) {
4877             jQuery.event.trigger( e, null, elem );
4878         } else {
4879             jQuery.event.dispatch.call( elem, e );
4880         }
4881         if ( e.isDefaultPrevented() ) {
4882             event.preventDefault();
4883         }
4884     }
4885 };
4886 
4887 jQuery.removeEvent = document.removeEventListener ?
4888     function( elem, type, handle ) {
4889         if ( elem.removeEventListener ) {
4890             elem.removeEventListener( type, handle, false );
4891         }
4892     } :
4893     function( elem, type, handle ) {
4894         var name = "on" + type;
4895 
4896         if ( elem.detachEvent ) {
4897 
4898             // #8545, #7054, preventing memory leaks for custom events in IE6-8
4899             // detachEvent needed property on element, by name of that event, to properly expose it to GC
4900             if ( typeof elem[ name ] === strundefined ) {
4901                 elem[ name ] = null;
4902             }
4903 
4904             elem.detachEvent( name, handle );
4905         }
4906     };
4907 
4908 jQuery.Event = function( src, props ) {
4909     // Allow instantiation without the 'new' keyword
4910     if ( !(this instanceof jQuery.Event) ) {
4911         return new jQuery.Event( src, props );
4912     }
4913 
4914     // Event object
4915     if ( src && src.type ) {
4916         this.originalEvent = src;
4917         this.type = src.type;
4918 
4919         // Events bubbling up the document may have been marked as prevented
4920         // by a handler lower down the tree; reflect the correct value.
4921         this.isDefaultPrevented = src.defaultPrevented ||
4922                 src.defaultPrevented === undefined &&
4923                 // Support: IE < 9, Android < 4.0
4924                 src.returnValue === false ?
4925             returnTrue :
4926             returnFalse;
4927 
4928     // Event type
4929     } else {
4930         this.type = src;
4931     }
4932 
4933     // Put explicitly provided properties onto the event object
4934     if ( props ) {
4935         jQuery.extend( this, props );
4936     }
4937 
4938     // Create a timestamp if incoming event doesn't have one
4939     this.timeStamp = src && src.timeStamp || jQuery.now();
4940 
4941     // Mark it as fixed
4942     this[ jQuery.expando ] = true;
4943 };
4944 
4945 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
4946 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
4947 jQuery.Event.prototype = {
4948     isDefaultPrevented: returnFalse,
4949     isPropagationStopped: returnFalse,
4950     isImmediatePropagationStopped: returnFalse,
4951 
4952     preventDefault: function() {
4953         var e = this.originalEvent;
4954 
4955         this.isDefaultPrevented = returnTrue;
4956         if ( !e ) {
4957             return;
4958         }
4959 
4960         // If preventDefault exists, run it on the original event
4961         if ( e.preventDefault ) {
4962             e.preventDefault();
4963 
4964         // Support: IE
4965         // Otherwise set the returnValue property of the original event to false
4966         } else {
4967             e.returnValue = false;
4968         }
4969     },
4970     stopPropagation: function() {
4971         var e = this.originalEvent;
4972 
4973         this.isPropagationStopped = returnTrue;
4974         if ( !e ) {
4975             return;
4976         }
4977         // If stopPropagation exists, run it on the original event
4978         if ( e.stopPropagation ) {
4979             e.stopPropagation();
4980         }
4981 
4982         // Support: IE
4983         // Set the cancelBubble property of the original event to true
4984         e.cancelBubble = true;
4985     },
4986     stopImmediatePropagation: function() {
4987         var e = this.originalEvent;
4988 
4989         this.isImmediatePropagationStopped = returnTrue;
4990 
4991         if ( e && e.stopImmediatePropagation ) {
4992             e.stopImmediatePropagation();
4993         }
4994 
4995         this.stopPropagation();
4996     }
4997 };
4998 
4999 // Create mouseenter/leave events using mouseover/out and event-time checks
5000 jQuery.each({
5001     mouseenter: "mouseover",
5002     mouseleave: "mouseout",
5003     pointerenter: "pointerover",
5004     pointerleave: "pointerout"
5005 }, function( orig, fix ) {
5006     jQuery.event.special[ orig ] = {
5007         delegateType: fix,
5008         bindType: fix,
5009 
5010         handle: function( event ) {
5011             var ret,
5012                 target = this,
5013                 related = event.relatedTarget,
5014                 handleObj = event.handleObj;
5015 
5016             // For mousenter/leave call the handler if related is outside the target.
5017             // NB: No relatedTarget if the mouse left/entered the browser window
5018             if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
5019                 event.type = handleObj.origType;
5020                 ret = handleObj.handler.apply( this, arguments );
5021                 event.type = fix;
5022             }
5023             return ret;
5024         }
5025     };
5026 });
5027 
5028 // IE submit delegation
5029 if ( !support.submitBubbles ) {
5030 
5031     jQuery.event.special.submit = {
5032         setup: function() {
5033             // Only need this for delegated form submit events
5034             if ( jQuery.nodeName( this, "form" ) ) {
5035                 return false;
5036             }
5037 
5038             // Lazy-add a submit handler when a descendant form may potentially be submitted
5039             jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5040                 // Node name check avoids a VML-related crash in IE (#9807)
5041                 var elem = e.target,
5042                     form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5043                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5044                     jQuery.event.add( form, "submit._submit", function( event ) {
5045                         event._submit_bubble = true;
5046                     });
5047                     jQuery._data( form, "submitBubbles", true );
5048                 }
5049             });
5050             // return undefined since we don't need an event listener
5051         },
5052 
5053         postDispatch: function( event ) {
5054             // If form was submitted by the user, bubble the event up the tree
5055             if ( event._submit_bubble ) {
5056                 delete event._submit_bubble;
5057                 if ( this.parentNode && !event.isTrigger ) {
5058                     jQuery.event.simulate( "submit", this.parentNode, event, true );
5059                 }
5060             }
5061         },
5062 
5063         teardown: function() {
5064             // Only need this for delegated form submit events
5065             if ( jQuery.nodeName( this, "form" ) ) {
5066                 return false;
5067             }
5068 
5069             // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5070             jQuery.event.remove( this, "._submit" );
5071         }
5072     };
5073 }
5074 
5075 // IE change delegation and checkbox/radio fix
5076 if ( !support.changeBubbles ) {
5077 
5078     jQuery.event.special.change = {
5079 
5080         setup: function() {
5081 
5082             if ( rformElems.test( this.nodeName ) ) {
5083                 // IE doesn't fire change on a check/radio until blur; trigger it on click
5084                 // after a propertychange. Eat the blur-change in special.change.handle.
5085                 // This still fires onchange a second time for check/radio after blur.
5086                 if ( this.type === "checkbox" || this.type === "radio" ) {
5087                     jQuery.event.add( this, "propertychange._change", function( event ) {
5088                         if ( event.originalEvent.propertyName === "checked" ) {
5089                             this._just_changed = true;
5090                         }
5091                     });
5092                     jQuery.event.add( this, "click._change", function( event ) {
5093                         if ( this._just_changed && !event.isTrigger ) {
5094                             this._just_changed = false;
5095                         }
5096                         // Allow triggered, simulated change events (#11500)
5097                         jQuery.event.simulate( "change", this, event, true );
5098                     });
5099                 }
5100                 return false;
5101             }
5102             // Delegated event; lazy-add a change handler on descendant inputs
5103             jQuery.event.add( this, "beforeactivate._change", function( e ) {
5104                 var elem = e.target;
5105 
5106                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5107                     jQuery.event.add( elem, "change._change", function( event ) {
5108                         if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5109                             jQuery.event.simulate( "change", this.parentNode, event, true );
5110                         }
5111                     });
5112                     jQuery._data( elem, "changeBubbles", true );
5113                 }
5114             });
5115         },
5116 
5117         handle: function( event ) {
5118             var elem = event.target;
5119 
5120             // Swallow native change events from checkbox/radio, we already triggered them above
5121             if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5122                 return event.handleObj.handler.apply( this, arguments );
5123             }
5124         },
5125 
5126         teardown: function() {
5127             jQuery.event.remove( this, "._change" );
5128 
5129             return !rformElems.test( this.nodeName );
5130         }
5131     };
5132 }
5133 
5134 // Create "bubbling" focus and blur events
5135 if ( !support.focusinBubbles ) {
5136     jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5137 
5138         // Attach a single capturing handler on the document while someone wants focusin/focusout
5139         var handler = function( event ) {
5140                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5141             };
5142 
5143         jQuery.event.special[ fix ] = {
5144             setup: function() {
5145                 var doc = this.ownerDocument || this,
5146                     attaches = jQuery._data( doc, fix );
5147 
5148                 if ( !attaches ) {
5149                     doc.addEventListener( orig, handler, true );
5150                 }
5151                 jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
5152             },
5153             teardown: function() {
5154                 var doc = this.ownerDocument || this,
5155                     attaches = jQuery._data( doc, fix ) - 1;
5156 
5157                 if ( !attaches ) {
5158                     doc.removeEventListener( orig, handler, true );
5159                     jQuery._removeData( doc, fix );
5160                 } else {
5161                     jQuery._data( doc, fix, attaches );
5162                 }
5163             }
5164         };
5165     });
5166 }
5167 
5168 jQuery.fn.extend({
5169 
5170     on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5171         var type, origFn;
5172 
5173         // Types can be a map of types/handlers
5174         if ( typeof types === "object" ) {
5175             // ( types-Object, selector, data )
5176             if ( typeof selector !== "string" ) {
5177                 // ( types-Object, data )
5178                 data = data || selector;
5179                 selector = undefined;
5180             }
5181             for ( type in types ) {
5182                 this.on( type, selector, data, types[ type ], one );
5183             }
5184             return this;
5185         }
5186 
5187         if ( data == null && fn == null ) {
5188             // ( types, fn )
5189             fn = selector;
5190             data = selector = undefined;
5191         } else if ( fn == null ) {
5192             if ( typeof selector === "string" ) {
5193                 // ( types, selector, fn )
5194                 fn = data;
5195                 data = undefined;
5196             } else {
5197                 // ( types, data, fn )
5198                 fn = data;
5199                 data = selector;
5200                 selector = undefined;
5201             }
5202         }
5203         if ( fn === false ) {
5204             fn = returnFalse;
5205         } else if ( !fn ) {
5206             return this;
5207         }
5208 
5209         if ( one === 1 ) {
5210             origFn = fn;
5211             fn = function( event ) {
5212                 // Can use an empty set, since event contains the info
5213                 jQuery().off( event );
5214                 return origFn.apply( this, arguments );
5215             };
5216             // Use same guid so caller can remove using origFn
5217             fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5218         }
5219         return this.each( function() {
5220             jQuery.event.add( this, types, fn, data, selector );
5221         });
5222     },
5223     one: function( types, selector, data, fn ) {
5224         return this.on( types, selector, data, fn, 1 );
5225     },
5226     off: function( types, selector, fn ) {
5227         var handleObj, type;
5228         if ( types && types.preventDefault && types.handleObj ) {
5229             // ( event )  dispatched jQuery.Event
5230             handleObj = types.handleObj;
5231             jQuery( types.delegateTarget ).off(
5232                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5233                 handleObj.selector,
5234                 handleObj.handler
5235             );
5236             return this;
5237         }
5238         if ( typeof types === "object" ) {
5239             // ( types-object [, selector] )
5240             for ( type in types ) {
5241                 this.off( type, selector, types[ type ] );
5242             }
5243             return this;
5244         }
5245         if ( selector === false || typeof selector === "function" ) {
5246             // ( types [, fn] )
5247             fn = selector;
5248             selector = undefined;
5249         }
5250         if ( fn === false ) {
5251             fn = returnFalse;
5252         }
5253         return this.each(function() {
5254             jQuery.event.remove( this, types, fn, selector );
5255         });
5256     },
5257 
5258     trigger: function( type, data ) {
5259         return this.each(function() {
5260             jQuery.event.trigger( type, data, this );
5261         });
5262     },
5263     triggerHandler: function( type, data ) {
5264         var elem = this[0];
5265         if ( elem ) {
5266             return jQuery.event.trigger( type, data, elem, true );
5267         }
5268     }
5269 });
5270 
5271 
5272 function createSafeFragment( document ) {
5273     var list = nodeNames.split( "|" ),
5274         safeFrag = document.createDocumentFragment();
5275 
5276     if ( safeFrag.createElement ) {
5277         while ( list.length ) {
5278             safeFrag.createElement(
5279                 list.pop()
5280             );
5281         }
5282     }
5283     return safeFrag;
5284 }
5285 
5286 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5287         "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
5288     rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
5289     rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
5290     rleadingWhitespace = /^\s+/,
5291     rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
5292     rtagName = /<([\w:]+)/,
5293     rtbody = /<tbody/i,
5294     rhtml = /<|&#?\w+;/,
5295     rnoInnerhtml = /<(?:script|style|link)/i,
5296     // checked="checked" or checked
5297     rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5298     rscriptType = /^$|\/(?:java|ecma)script/i,
5299     rscriptTypeMasked = /^true\/(.*)/,
5300     rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
5301 
5302     // We have to close these tags to support XHTML (#13200)
5303     wrapMap = {
5304         option: [ 1, "<select multiple='multiple'>", "</select>" ],
5305         legend: [ 1, "<fieldset>", "</fieldset>" ],
5306         area: [ 1, "<map>", "</map>" ],
5307         param: [ 1, "<object>", "</object>" ],
5308         thead: [ 1, "<table>", "</table>" ],
5309         tr: [ 2, "<table><tbody>", "</tbody></table>" ],
5310         col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
5311         td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
5312 
5313         // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
5314         // unless wrapped in a div with non-breaking characters in front of it.
5315         _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
5316     },
5317     safeFragment = createSafeFragment( document ),
5318     fragmentDiv = safeFragment.appendChild( document.createElement("div") );
5319 
5320 wrapMap.optgroup = wrapMap.option;
5321 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
5322 wrapMap.th = wrapMap.td;
5323 
5324 function getAll( context, tag ) {
5325     var elems, elem,
5326         i = 0,
5327         found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) :
5328             typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) :
5329             undefined;
5330 
5331     if ( !found ) {
5332         for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
5333             if ( !tag || jQuery.nodeName( elem, tag ) ) {
5334                 found.push( elem );
5335             } else {
5336                 jQuery.merge( found, getAll( elem, tag ) );
5337             }
5338         }
5339     }
5340 
5341     return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
5342         jQuery.merge( [ context ], found ) :
5343         found;
5344 }
5345 
5346 // Used in buildFragment, fixes the defaultChecked property
5347 function fixDefaultChecked( elem ) {
5348     if ( rcheckableType.test( elem.type ) ) {
5349         elem.defaultChecked = elem.checked;
5350     }
5351 }
5352 
5353 // Support: IE<8
5354 // Manipulating tables requires a tbody
5355 function manipulationTarget( elem, content ) {
5356     return jQuery.nodeName( elem, "table" ) &&
5357         jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
5358 
5359         elem.getElementsByTagName("tbody")[0] ||
5360             elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
5361         elem;
5362 }
5363 
5364 // Replace/restore the type attribute of script elements for safe DOM manipulation
5365 function disableScript( elem ) {
5366     elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
5367     return elem;
5368 }
5369 function restoreScript( elem ) {
5370     var match = rscriptTypeMasked.exec( elem.type );
5371     if ( match ) {
5372         elem.type = match[1];
5373     } else {
5374         elem.removeAttribute("type");
5375     }
5376     return elem;
5377 }
5378 
5379 // Mark scripts as having already been evaluated
5380 function setGlobalEval( elems, refElements ) {
5381     var elem,
5382         i = 0;
5383     for ( ; (elem = elems[i]) != null; i++ ) {
5384         jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
5385     }
5386 }
5387 
5388 function cloneCopyEvent( src, dest ) {
5389 
5390     if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
5391         return;
5392     }
5393 
5394     var type, i, l,
5395         oldData = jQuery._data( src ),
5396         curData = jQuery._data( dest, oldData ),
5397         events = oldData.events;
5398 
5399     if ( events ) {
5400         delete curData.handle;
5401         curData.events = {};
5402 
5403         for ( type in events ) {
5404             for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5405                 jQuery.event.add( dest, type, events[ type ][ i ] );
5406             }
5407         }
5408     }
5409 
5410     // make the cloned public data object a copy from the original
5411     if ( curData.data ) {
5412         curData.data = jQuery.extend( {}, curData.data );
5413     }
5414 }
5415 
5416 function fixCloneNodeIssues( src, dest ) {
5417     var nodeName, e, data;
5418 
5419     // We do not need to do anything for non-Elements
5420     if ( dest.nodeType !== 1 ) {
5421         return;
5422     }
5423 
5424     nodeName = dest.nodeName.toLowerCase();
5425 
5426     // IE6-8 copies events bound via attachEvent when using cloneNode.
5427     if ( !support.noCloneEvent && dest[ jQuery.expando ] ) {
5428         data = jQuery._data( dest );
5429 
5430         for ( e in data.events ) {
5431             jQuery.removeEvent( dest, e, data.handle );
5432         }
5433 
5434         // Event data gets referenced instead of copied if the expando gets copied too
5435         dest.removeAttribute( jQuery.expando );
5436     }
5437 
5438     // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
5439     if ( nodeName === "script" && dest.text !== src.text ) {
5440         disableScript( dest ).text = src.text;
5441         restoreScript( dest );
5442 
5443     // IE6-10 improperly clones children of object elements using classid.
5444     // IE10 throws NoModificationAllowedError if parent is null, #12132.
5445     } else if ( nodeName === "object" ) {
5446         if ( dest.parentNode ) {
5447             dest.outerHTML = src.outerHTML;
5448         }
5449 
5450         // This path appears unavoidable for IE9. When cloning an object
5451         // element in IE9, the outerHTML strategy above is not sufficient.
5452         // If the src has innerHTML and the destination does not,
5453         // copy the src.innerHTML into the dest.innerHTML. #10324
5454         if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
5455             dest.innerHTML = src.innerHTML;
5456         }
5457 
5458     } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5459         // IE6-8 fails to persist the checked state of a cloned checkbox
5460         // or radio button. Worse, IE6-7 fail to give the cloned element
5461         // a checked appearance if the defaultChecked value isn't also set
5462 
5463         dest.defaultChecked = dest.checked = src.checked;
5464 
5465         // IE6-7 get confused and end up setting the value of a cloned
5466         // checkbox/radio button to an empty string instead of "on"
5467         if ( dest.value !== src.value ) {
5468             dest.value = src.value;
5469         }
5470 
5471     // IE6-8 fails to return the selected option to the default selected
5472     // state when cloning options
5473     } else if ( nodeName === "option" ) {
5474         dest.defaultSelected = dest.selected = src.defaultSelected;
5475 
5476     // IE6-8 fails to set the defaultValue to the correct value when
5477     // cloning other types of input fields
5478     } else if ( nodeName === "input" || nodeName === "textarea" ) {
5479         dest.defaultValue = src.defaultValue;
5480     }
5481 }
5482 
5483 jQuery.extend({
5484     clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5485         var destElements, node, clone, i, srcElements,
5486             inPage = jQuery.contains( elem.ownerDocument, elem );
5487 
5488         if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
5489             clone = elem.cloneNode( true );
5490 
5491         // IE<=8 does not properly clone detached, unknown element nodes
5492         } else {
5493             fragmentDiv.innerHTML = elem.outerHTML;
5494             fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
5495         }
5496 
5497         if ( (!support.noCloneEvent || !support.noCloneChecked) &&
5498                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
5499 
5500             // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
5501             destElements = getAll( clone );
5502             srcElements = getAll( elem );
5503 
5504             // Fix all IE cloning issues
5505             for ( i = 0; (node = srcElements[i]) != null; ++i ) {
5506                 // Ensure that the destination node is not null; Fixes #9587
5507                 if ( destElements[i] ) {
5508                     fixCloneNodeIssues( node, destElements[i] );
5509                 }
5510             }
5511         }
5512 
5513         // Copy the events from the original to the clone
5514         if ( dataAndEvents ) {
5515             if ( deepDataAndEvents ) {
5516                 srcElements = srcElements || getAll( elem );
5517                 destElements = destElements || getAll( clone );
5518 
5519                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
5520                     cloneCopyEvent( node, destElements[i] );
5521                 }
5522             } else {
5523                 cloneCopyEvent( elem, clone );
5524             }
5525         }
5526 
5527         // Preserve script evaluation history
5528         destElements = getAll( clone, "script" );
5529         if ( destElements.length > 0 ) {
5530             setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5531         }
5532 
5533         destElements = srcElements = node = null;
5534 
5535         // Return the cloned set
5536         return clone;
5537     },
5538 
5539     buildFragment: function( elems, context, scripts, selection ) {
5540         var j, elem, contains,
5541             tmp, tag, tbody, wrap,
5542             l = elems.length,
5543 
5544             // Ensure a safe fragment
5545             safe = createSafeFragment( context ),
5546 
5547             nodes = [],
5548             i = 0;
5549 
5550         for ( ; i < l; i++ ) {
5551             elem = elems[ i ];
5552 
5553             if ( elem || elem === 0 ) {
5554 
5555                 // Add nodes directly
5556                 if ( jQuery.type( elem ) === "object" ) {
5557                     jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
5558 
5559                 // Convert non-html into a text node
5560                 } else if ( !rhtml.test( elem ) ) {
5561                     nodes.push( context.createTextNode( elem ) );
5562 
5563                 // Convert html into DOM nodes
5564                 } else {
5565                     tmp = tmp || safe.appendChild( context.createElement("div") );
5566 
5567                     // Deserialize a standard representation
5568                     tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase();
5569                     wrap = wrapMap[ tag ] || wrapMap._default;
5570 
5571                     tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
5572 
5573                     // Descend through wrappers to the right content
5574                     j = wrap[0];
5575                     while ( j-- ) {
5576                         tmp = tmp.lastChild;
5577                     }
5578 
5579                     // Manually add leading whitespace removed by IE
5580                     if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
5581                         nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
5582                     }
5583 
5584                     // Remove IE's autoinserted <tbody> from table fragments
5585                     if ( !support.tbody ) {
5586 
5587                         // String was a <table>, *may* have spurious <tbody>
5588                         elem = tag === "table" && !rtbody.test( elem ) ?
5589                             tmp.firstChild :
5590 
5591                             // String was a bare <thead> or <tfoot>
5592                             wrap[1] === "<table>" && !rtbody.test( elem ) ?
5593                                 tmp :
5594                                 0;
5595 
5596                         j = elem && elem.childNodes.length;
5597                         while ( j-- ) {
5598                             if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
5599                                 elem.removeChild( tbody );
5600                             }
5601                         }
5602                     }
5603 
5604                     jQuery.merge( nodes, tmp.childNodes );
5605 
5606                     // Fix #12392 for WebKit and IE > 9
5607                     tmp.textContent = "";
5608 
5609                     // Fix #12392 for oldIE
5610                     while ( tmp.firstChild ) {
5611                         tmp.removeChild( tmp.firstChild );
5612                     }
5613 
5614                     // Remember the top-level container for proper cleanup
5615                     tmp = safe.lastChild;
5616                 }
5617             }
5618         }
5619 
5620         // Fix #11356: Clear elements from fragment
5621         if ( tmp ) {
5622             safe.removeChild( tmp );
5623         }
5624 
5625         // Reset defaultChecked for any radios and checkboxes
5626         // about to be appended to the DOM in IE 6/7 (#8060)
5627         if ( !support.appendChecked ) {
5628             jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
5629         }
5630 
5631         i = 0;
5632         while ( (elem = nodes[ i++ ]) ) {
5633 
5634             // #4087 - If origin and destination elements are the same, and this is
5635             // that element, do not do anything
5636             if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
5637                 continue;
5638             }
5639 
5640             contains = jQuery.contains( elem.ownerDocument, elem );
5641 
5642             // Append to fragment
5643             tmp = getAll( safe.appendChild( elem ), "script" );
5644 
5645             // Preserve script evaluation history
5646             if ( contains ) {
5647                 setGlobalEval( tmp );
5648             }
5649 
5650             // Capture executables
5651             if ( scripts ) {
5652                 j = 0;
5653                 while ( (elem = tmp[ j++ ]) ) {
5654                     if ( rscriptType.test( elem.type || "" ) ) {
5655                         scripts.push( elem );
5656                     }
5657                 }
5658             }
5659         }
5660 
5661         tmp = null;
5662 
5663         return safe;
5664     },
5665 
5666     cleanData: function( elems, /* internal */ acceptData ) {
5667         var elem, type, id, data,
5668             i = 0,
5669             internalKey = jQuery.expando,
5670             cache = jQuery.cache,
5671             deleteExpando = support.deleteExpando,
5672             special = jQuery.event.special;
5673 
5674         for ( ; (elem = elems[i]) != null; i++ ) {
5675             if ( acceptData || jQuery.acceptData( elem ) ) {
5676 
5677                 id = elem[ internalKey ];
5678                 data = id && cache[ id ];
5679 
5680                 if ( data ) {
5681                     if ( data.events ) {
5682                         for ( type in data.events ) {
5683                             if ( special[ type ] ) {
5684                                 jQuery.event.remove( elem, type );
5685 
5686                             // This is a shortcut to avoid jQuery.event.remove's overhead
5687                             } else {
5688                                 jQuery.removeEvent( elem, type, data.handle );
5689                             }
5690                         }
5691                     }
5692 
5693                     // Remove cache only if it was not already removed by jQuery.event.remove
5694                     if ( cache[ id ] ) {
5695 
5696                         delete cache[ id ];
5697 
5698                         // IE does not allow us to delete expando properties from nodes,
5699                         // nor does it have a removeAttribute function on Document nodes;
5700                         // we must handle all of these cases
5701                         if ( deleteExpando ) {
5702                             delete elem[ internalKey ];
5703 
5704                         } else if ( typeof elem.removeAttribute !== strundefined ) {
5705                             elem.removeAttribute( internalKey );
5706 
5707                         } else {
5708                             elem[ internalKey ] = null;
5709                         }
5710 
5711                         deletedIds.push( id );
5712                     }
5713                 }
5714             }
5715         }
5716     }
5717 });
5718 
5719 jQuery.fn.extend({
5720     text: function( value ) {
5721         return access( this, function( value ) {
5722             return value === undefined ?
5723                 jQuery.text( this ) :
5724                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
5725         }, null, value, arguments.length );
5726     },
5727 
5728     append: function() {
5729         return this.domManip( arguments, function( elem ) {
5730             if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5731                 var target = manipulationTarget( this, elem );
5732                 target.appendChild( elem );
5733             }
5734         });
5735     },
5736 
5737     prepend: function() {
5738         return this.domManip( arguments, function( elem ) {
5739             if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5740                 var target = manipulationTarget( this, elem );
5741                 target.insertBefore( elem, target.firstChild );
5742             }
5743         });
5744     },
5745 
5746     before: function() {
5747         return this.domManip( arguments, function( elem ) {
5748             if ( this.parentNode ) {
5749                 this.parentNode.insertBefore( elem, this );
5750             }
5751         });
5752     },
5753 
5754     after: function() {
5755         return this.domManip( arguments, function( elem ) {
5756             if ( this.parentNode ) {
5757                 this.parentNode.insertBefore( elem, this.nextSibling );
5758             }
5759         });
5760     },
5761 
5762     remove: function( selector, keepData /* Internal Use Only */ ) {
5763         var elem,
5764             elems = selector ? jQuery.filter( selector, this ) : this,
5765             i = 0;
5766 
5767         for ( ; (elem = elems[i]) != null; i++ ) {
5768 
5769             if ( !keepData && elem.nodeType === 1 ) {
5770                 jQuery.cleanData( getAll( elem ) );
5771             }
5772 
5773             if ( elem.parentNode ) {
5774                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
5775                     setGlobalEval( getAll( elem, "script" ) );
5776                 }
5777                 elem.parentNode.removeChild( elem );
5778             }
5779         }
5780 
5781         return this;
5782     },
5783 
5784     empty: function() {
5785         var elem,
5786             i = 0;
5787 
5788         for ( ; (elem = this[i]) != null; i++ ) {
5789             // Remove element nodes and prevent memory leaks
5790             if ( elem.nodeType === 1 ) {
5791                 jQuery.cleanData( getAll( elem, false ) );
5792             }
5793 
5794             // Remove any remaining nodes
5795             while ( elem.firstChild ) {
5796                 elem.removeChild( elem.firstChild );
5797             }
5798 
5799             // If this is a select, ensure that it displays empty (#12336)
5800             // Support: IE<9
5801             if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
5802                 elem.options.length = 0;
5803             }
5804         }
5805 
5806         return this;
5807     },
5808 
5809     clone: function( dataAndEvents, deepDataAndEvents ) {
5810         dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5811         deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5812 
5813         return this.map(function() {
5814             return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5815         });
5816     },
5817 
5818     html: function( value ) {
5819         return access( this, function( value ) {
5820             var elem = this[ 0 ] || {},
5821                 i = 0,
5822                 l = this.length;
5823 
5824             if ( value === undefined ) {
5825                 return elem.nodeType === 1 ?
5826                     elem.innerHTML.replace( rinlinejQuery, "" ) :
5827                     undefined;
5828             }
5829 
5830             // See if we can take a shortcut and just use innerHTML
5831             if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5832                 ( support.htmlSerialize || !rnoshimcache.test( value )  ) &&
5833                 ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
5834                 !wrapMap[ (rtagName.exec( value ) || [ "", "" ])[ 1 ].toLowerCase() ] ) {
5835 
5836                 value = value.replace( rxhtmlTag, "<$1></$2>" );
5837 
5838                 try {
5839                     for (; i < l; i++ ) {
5840                         // Remove element nodes and prevent memory leaks
5841                         elem = this[i] || {};
5842                         if ( elem.nodeType === 1 ) {
5843                             jQuery.cleanData( getAll( elem, false ) );
5844                             elem.innerHTML = value;
5845                         }
5846                     }
5847 
5848                     elem = 0;
5849 
5850                 // If using innerHTML throws an exception, use the fallback method
5851                 } catch(e) {}
5852             }
5853 
5854             if ( elem ) {
5855                 this.empty().append( value );
5856             }
5857         }, null, value, arguments.length );
5858     },
5859 
5860     replaceWith: function() {
5861         var arg = arguments[ 0 ];
5862 
5863         // Make the changes, replacing each context element with the new content
5864         this.domManip( arguments, function( elem ) {
5865             arg = this.parentNode;
5866 
5867             jQuery.cleanData( getAll( this ) );
5868 
5869             if ( arg ) {
5870                 arg.replaceChild( elem, this );
5871             }
5872         });
5873 
5874         // Force removal if there was no new content (e.g., from empty arguments)
5875         return arg && (arg.length || arg.nodeType) ? this : this.remove();
5876     },
5877 
5878     detach: function( selector ) {
5879         return this.remove( selector, true );
5880     },
5881 
5882     domManip: function( args, callback ) {
5883 
5884         // Flatten any nested arrays
5885         args = concat.apply( [], args );
5886 
5887         var first, node, hasScripts,
5888             scripts, doc, fragment,
5889             i = 0,
5890             l = this.length,
5891             set = this,
5892             iNoClone = l - 1,
5893             value = args[0],
5894             isFunction = jQuery.isFunction( value );
5895 
5896         // We can't cloneNode fragments that contain checked, in WebKit
5897         if ( isFunction ||
5898                 ( l > 1 && typeof value === "string" &&
5899                     !support.checkClone && rchecked.test( value ) ) ) {
5900             return this.each(function( index ) {
5901                 var self = set.eq( index );
5902                 if ( isFunction ) {
5903                     args[0] = value.call( this, index, self.html() );
5904                 }
5905                 self.domManip( args, callback );
5906             });
5907         }
5908 
5909         if ( l ) {
5910             fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
5911             first = fragment.firstChild;
5912 
5913             if ( fragment.childNodes.length === 1 ) {
5914                 fragment = first;
5915             }
5916 
5917             if ( first ) {
5918                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5919                 hasScripts = scripts.length;
5920 
5921                 // Use the original fragment for the last item instead of the first because it can end up
5922                 // being emptied incorrectly in certain situations (#8070).
5923                 for ( ; i < l; i++ ) {
5924                     node = fragment;
5925 
5926                     if ( i !== iNoClone ) {
5927                         node = jQuery.clone( node, true, true );
5928 
5929                         // Keep references to cloned scripts for later restoration
5930                         if ( hasScripts ) {
5931                             jQuery.merge( scripts, getAll( node, "script" ) );
5932                         }
5933                     }
5934 
5935                     callback.call( this[i], node, i );
5936                 }
5937 
5938                 if ( hasScripts ) {
5939                     doc = scripts[ scripts.length - 1 ].ownerDocument;
5940 
5941                     // Reenable scripts
5942                     jQuery.map( scripts, restoreScript );
5943 
5944                     // Evaluate executable scripts on first document insertion
5945                     for ( i = 0; i < hasScripts; i++ ) {
5946                         node = scripts[ i ];
5947                         if ( rscriptType.test( node.type || "" ) &&
5948                             !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
5949 
5950                             if ( node.src ) {
5951                                 // Optional AJAX dependency, but won't run scripts if not present
5952                                 if ( jQuery._evalUrl ) {
5953                                     jQuery._evalUrl( node.src );
5954                                 }
5955                             } else {
5956                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
5957                             }
5958                         }
5959                     }
5960                 }
5961 
5962                 // Fix #11809: Avoid leaking memory
5963                 fragment = first = null;
5964             }
5965         }
5966 
5967         return this;
5968     }
5969 });
5970 
5971 jQuery.each({
5972     appendTo: "append",
5973     prependTo: "prepend",
5974     insertBefore: "before",
5975     insertAfter: "after",
5976     replaceAll: "replaceWith"
5977 }, function( name, original ) {
5978     jQuery.fn[ name ] = function( selector ) {
5979         var elems,
5980             i = 0,
5981             ret = [],
5982             insert = jQuery( selector ),
5983             last = insert.length - 1;
5984 
5985         for ( ; i <= last; i++ ) {
5986             elems = i === last ? this : this.clone(true);
5987             jQuery( insert[i] )[ original ]( elems );
5988 
5989             // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
5990             push.apply( ret, elems.get() );
5991         }
5992 
5993         return this.pushStack( ret );
5994     };
5995 });
5996 
5997 
5998 var iframe,
5999     elemdisplay = {};
6000 
6001 /**
6002  * Retrieve the actual display of a element
6003  * @param {String} name nodeName of the element
6004  * @param {Object} doc Document object
6005  */
6006 // Called only from within defaultDisplay
6007 function actualDisplay( name, doc ) {
6008     var style,
6009         elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
6010 
6011         // getDefaultComputedStyle might be reliably used only on attached element
6012         display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?
6013 
6014             // Use of this method is a temporary fix (more like optmization) until something better comes along,
6015             // since it was removed from specification and supported only in FF
6016             style.display : jQuery.css( elem[ 0 ], "display" );
6017 
6018     // We don't have any data stored on the element,
6019     // so use "detach" method as fast way to get rid of the element
6020     elem.detach();
6021 
6022     return display;
6023 }
6024 
6025 /**
6026  * Try to determine the default display value of an element
6027  * @param {String} nodeName
6028  */
6029 function defaultDisplay( nodeName ) {
6030     var doc = document,
6031         display = elemdisplay[ nodeName ];
6032 
6033     if ( !display ) {
6034         display = actualDisplay( nodeName, doc );
6035 
6036         // If the simple way fails, read from inside an iframe
6037         if ( display === "none" || !display ) {
6038 
6039             // Use the already-created iframe if possible
6040             iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
6041 
6042             // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
6043             doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
6044 
6045             // Support: IE
6046             doc.write();
6047             doc.close();
6048 
6049             display = actualDisplay( nodeName, doc );
6050             iframe.detach();
6051         }
6052 
6053         // Store the correct default display
6054         elemdisplay[ nodeName ] = display;
6055     }
6056 
6057     return display;
6058 }
6059 
6060 
6061 (function() {
6062     var shrinkWrapBlocksVal;
6063 
6064     support.shrinkWrapBlocks = function() {
6065         if ( shrinkWrapBlocksVal != null ) {
6066             return shrinkWrapBlocksVal;
6067         }
6068 
6069         // Will be changed later if needed.
6070         shrinkWrapBlocksVal = false;
6071 
6072         // Minified: var b,c,d
6073         var div, body, container;
6074 
6075         body = document.getElementsByTagName( "body" )[ 0 ];
6076         if ( !body || !body.style ) {
6077             // Test fired too early or in an unsupported environment, exit.
6078             return;
6079         }
6080 
6081         // Setup
6082         div = document.createElement( "div" );
6083         container = document.createElement( "div" );
6084         container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
6085         body.appendChild( container ).appendChild( div );
6086 
6087         // Support: IE6
6088         // Check if elements with layout shrink-wrap their children
6089         if ( typeof div.style.zoom !== strundefined ) {
6090             // Reset CSS: box-sizing; display; margin; border
6091             div.style.cssText =
6092                 // Support: Firefox<29, Android 2.3
6093                 // Vendor-prefix box-sizing
6094                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
6095                 "box-sizing:content-box;display:block;margin:0;border:0;" +
6096                 "padding:1px;width:1px;zoom:1";
6097             div.appendChild( document.createElement( "div" ) ).style.width = "5px";
6098             shrinkWrapBlocksVal = div.offsetWidth !== 3;
6099         }
6100 
6101         body.removeChild( container );
6102 
6103         return shrinkWrapBlocksVal;
6104     };
6105 
6106 })();
6107 var rmargin = (/^margin/);
6108 
6109 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6110 
6111 
6112 
6113 var getStyles, curCSS,
6114     rposition = /^(top|right|bottom|left)$/;
6115 
6116 if ( window.getComputedStyle ) {
6117     getStyles = function( elem ) {
6118         return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
6119     };
6120 
6121     curCSS = function( elem, name, computed ) {
6122         var width, minWidth, maxWidth, ret,
6123             style = elem.style;
6124 
6125         computed = computed || getStyles( elem );
6126 
6127         // getPropertyValue is only needed for .css('filter') in IE9, see #12537
6128         ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
6129 
6130         if ( computed ) {
6131 
6132             if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6133                 ret = jQuery.style( elem, name );
6134             }
6135 
6136             // A tribute to the "awesome hack by Dean Edwards"
6137             // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
6138             // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
6139             // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
6140             if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
6141 
6142                 // Remember the original values
6143                 width = style.width;
6144                 minWidth = style.minWidth;
6145                 maxWidth = style.maxWidth;
6146 
6147                 // Put in the new values to get a computed value out
6148                 style.minWidth = style.maxWidth = style.width = ret;
6149                 ret = computed.width;
6150 
6151                 // Revert the changed values
6152                 style.width = width;
6153                 style.minWidth = minWidth;
6154                 style.maxWidth = maxWidth;
6155             }
6156         }
6157 
6158         // Support: IE
6159         // IE returns zIndex value as an integer.
6160         return ret === undefined ?
6161             ret :
6162             ret + "";
6163     };
6164 } else if ( document.documentElement.currentStyle ) {
6165     getStyles = function( elem ) {
6166         return elem.currentStyle;
6167     };
6168 
6169     curCSS = function( elem, name, computed ) {
6170         var left, rs, rsLeft, ret,
6171             style = elem.style;
6172 
6173         computed = computed || getStyles( elem );
6174         ret = computed ? computed[ name ] : undefined;
6175 
6176         // Avoid setting ret to empty string here
6177         // so we don't default to auto
6178         if ( ret == null && style && style[ name ] ) {
6179             ret = style[ name ];
6180         }
6181 
6182         // From the awesome hack by Dean Edwards
6183         // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
6184 
6185         // If we're not dealing with a regular pixel number
6186         // but a number that has a weird ending, we need to convert it to pixels
6187         // but not position css attributes, as those are proportional to the parent element instead
6188         // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
6189         if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
6190 
6191             // Remember the original values
6192             left = style.left;
6193             rs = elem.runtimeStyle;
6194             rsLeft = rs && rs.left;
6195 
6196             // Put in the new values to get a computed value out
6197             if ( rsLeft ) {
6198                 rs.left = elem.currentStyle.left;
6199             }
6200             style.left = name === "fontSize" ? "1em" : ret;
6201             ret = style.pixelLeft + "px";
6202 
6203             // Revert the changed values
6204             style.left = left;
6205             if ( rsLeft ) {
6206                 rs.left = rsLeft;
6207             }
6208         }
6209 
6210         // Support: IE
6211         // IE returns zIndex value as an integer.
6212         return ret === undefined ?
6213             ret :
6214             ret + "" || "auto";
6215     };
6216 }
6217 
6218 
6219 
6220 
6221 function addGetHookIf( conditionFn, hookFn ) {
6222     // Define the hook, we'll check on the first run if it's really needed.
6223     return {
6224         get: function() {
6225             var condition = conditionFn();
6226 
6227             if ( condition == null ) {
6228                 // The test was not ready at this point; screw the hook this time
6229                 // but check again when needed next time.
6230                 return;
6231             }
6232 
6233             if ( condition ) {
6234                 // Hook not needed (or it's not possible to use it due to missing dependency),
6235                 // remove it.
6236                 // Since there are no other hooks for marginRight, remove the whole object.
6237                 delete this.get;
6238                 return;
6239             }
6240 
6241             // Hook needed; redefine it so that the support test is not executed again.
6242 
6243             return (this.get = hookFn).apply( this, arguments );
6244         }
6245     };
6246 }
6247 
6248 
6249 (function() {
6250     // Minified: var b,c,d,e,f,g, h,i
6251     var div, style, a, pixelPositionVal, boxSizingReliableVal,
6252         reliableHiddenOffsetsVal, reliableMarginRightVal;
6253 
6254     // Setup
6255     div = document.createElement( "div" );
6256     div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
6257     a = div.getElementsByTagName( "a" )[ 0 ];
6258     style = a && a.style;
6259 
6260     // Finish early in limited (non-browser) environments
6261     if ( !style ) {
6262         return;
6263     }
6264 
6265     style.cssText = "float:left;opacity:.5";
6266 
6267     // Support: IE<9
6268     // Make sure that element opacity exists (as opposed to filter)
6269     support.opacity = style.opacity === "0.5";
6270 
6271     // Verify style float existence
6272     // (IE uses styleFloat instead of cssFloat)
6273     support.cssFloat = !!style.cssFloat;
6274 
6275     div.style.backgroundClip = "content-box";
6276     div.cloneNode( true ).style.backgroundClip = "";
6277     support.clearCloneStyle = div.style.backgroundClip === "content-box";
6278 
6279     // Support: Firefox<29, Android 2.3
6280     // Vendor-prefix box-sizing
6281     support.boxSizing = style.boxSizing === "" || style.MozBoxSizing === "" ||
6282         style.WebkitBoxSizing === "";
6283 
6284     jQuery.extend(support, {
6285         reliableHiddenOffsets: function() {
6286             if ( reliableHiddenOffsetsVal == null ) {
6287                 computeStyleTests();
6288             }
6289             return reliableHiddenOffsetsVal;
6290         },
6291 
6292         boxSizingReliable: function() {
6293             if ( boxSizingReliableVal == null ) {
6294                 computeStyleTests();
6295             }
6296             return boxSizingReliableVal;
6297         },
6298 
6299         pixelPosition: function() {
6300             if ( pixelPositionVal == null ) {
6301                 computeStyleTests();
6302             }
6303             return pixelPositionVal;
6304         },
6305 
6306         // Support: Android 2.3
6307         reliableMarginRight: function() {
6308             if ( reliableMarginRightVal == null ) {
6309                 computeStyleTests();
6310             }
6311             return reliableMarginRightVal;
6312         }
6313     });
6314 
6315     function computeStyleTests() {
6316         // Minified: var b,c,d,j
6317         var div, body, container, contents;
6318 
6319         body = document.getElementsByTagName( "body" )[ 0 ];
6320         if ( !body || !body.style ) {
6321             // Test fired too early or in an unsupported environment, exit.
6322             return;
6323         }
6324 
6325         // Setup
6326         div = document.createElement( "div" );
6327         container = document.createElement( "div" );
6328         container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
6329         body.appendChild( container ).appendChild( div );
6330 
6331         div.style.cssText =
6332             // Support: Firefox<29, Android 2.3
6333             // Vendor-prefix box-sizing
6334             "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
6335             "box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
6336             "border:1px;padding:1px;width:4px;position:absolute";
6337 
6338         // Support: IE<9
6339         // Assume reasonable values in the absence of getComputedStyle
6340         pixelPositionVal = boxSizingReliableVal = false;
6341         reliableMarginRightVal = true;
6342 
6343         // Check for getComputedStyle so that this code is not run in IE<9.
6344         if ( window.getComputedStyle ) {
6345             pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
6346             boxSizingReliableVal =
6347                 ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
6348 
6349             // Support: Android 2.3
6350             // Div with explicit width and no margin-right incorrectly
6351             // gets computed margin-right based on width of container (#3333)
6352             // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6353             contents = div.appendChild( document.createElement( "div" ) );
6354 
6355             // Reset CSS: box-sizing; display; margin; border; padding
6356             contents.style.cssText = div.style.cssText =
6357                 // Support: Firefox<29, Android 2.3
6358                 // Vendor-prefix box-sizing
6359                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
6360                 "box-sizing:content-box;display:block;margin:0;border:0;padding:0";
6361             contents.style.marginRight = contents.style.width = "0";
6362             div.style.width = "1px";
6363 
6364             reliableMarginRightVal =
6365                 !parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight );
6366         }
6367 
6368         // Support: IE8
6369         // Check if table cells still have offsetWidth/Height when they are set
6370         // to display:none and there are still other visible table cells in a
6371         // table row; if so, offsetWidth/Height are not reliable for use when
6372         // determining if an element has been hidden directly using
6373         // display:none (it is still safe to use offsets if a parent element is
6374         // hidden; don safety goggles and see bug #4512 for more information).
6375         div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
6376         contents = div.getElementsByTagName( "td" );
6377         contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
6378         reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
6379         if ( reliableHiddenOffsetsVal ) {
6380             contents[ 0 ].style.display = "";
6381             contents[ 1 ].style.display = "none";
6382             reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
6383         }
6384 
6385         body.removeChild( container );
6386     }
6387 
6388 })();
6389 
6390 
6391 // A method for quickly swapping in/out CSS properties to get correct calculations.
6392 jQuery.swap = function( elem, options, callback, args ) {
6393     var ret, name,
6394         old = {};
6395 
6396     // Remember the old values, and insert the new ones
6397     for ( name in options ) {
6398         old[ name ] = elem.style[ name ];
6399         elem.style[ name ] = options[ name ];
6400     }
6401 
6402     ret = callback.apply( elem, args || [] );
6403 
6404     // Revert the old values
6405     for ( name in options ) {
6406         elem.style[ name ] = old[ name ];
6407     }
6408 
6409     return ret;
6410 };
6411 
6412 
6413 var
6414         ralpha = /alpha\([^)]*\)/i,
6415     ropacity = /opacity\s*=\s*([^)]*)/,
6416 
6417     // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6418     // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6419     rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6420     rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
6421     rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
6422 
6423     cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6424     cssNormalTransform = {
6425         letterSpacing: "0",
6426         fontWeight: "400"
6427     },
6428 
6429     cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6430 
6431 
6432 // return a css property mapped to a potentially vendor prefixed property
6433 function vendorPropName( style, name ) {
6434 
6435     // shortcut for names that are not vendor prefixed
6436     if ( name in style ) {
6437         return name;
6438     }
6439 
6440     // check for vendor prefixed names
6441     var capName = name.charAt(0).toUpperCase() + name.slice(1),
6442         origName = name,
6443         i = cssPrefixes.length;
6444 
6445     while ( i-- ) {
6446         name = cssPrefixes[ i ] + capName;
6447         if ( name in style ) {
6448             return name;
6449         }
6450     }
6451 
6452     return origName;
6453 }
6454 
6455 function showHide( elements, show ) {
6456     var display, elem, hidden,
6457         values = [],
6458         index = 0,
6459         length = elements.length;
6460 
6461     for ( ; index < length; index++ ) {
6462         elem = elements[ index ];
6463         if ( !elem.style ) {
6464             continue;
6465         }
6466 
6467         values[ index ] = jQuery._data( elem, "olddisplay" );
6468         display = elem.style.display;
6469         if ( show ) {
6470             // Reset the inline display of this element to learn if it is
6471             // being hidden by cascaded rules or not
6472             if ( !values[ index ] && display === "none" ) {
6473                 elem.style.display = "";
6474             }
6475 
6476             // Set elements which have been overridden with display: none
6477             // in a stylesheet to whatever the default browser style is
6478             // for such an element
6479             if ( elem.style.display === "" && isHidden( elem ) ) {
6480                 values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
6481             }
6482         } else {
6483             hidden = isHidden( elem );
6484 
6485             if ( display && display !== "none" || !hidden ) {
6486                 jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6487             }
6488         }
6489     }
6490 
6491     // Set the display of most of the elements in a second loop
6492     // to avoid the constant reflow
6493     for ( index = 0; index < length; index++ ) {
6494         elem = elements[ index ];
6495         if ( !elem.style ) {
6496             continue;
6497         }
6498         if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6499             elem.style.display = show ? values[ index ] || "" : "none";
6500         }
6501     }
6502 
6503     return elements;
6504 }
6505 
6506 function setPositiveNumber( elem, value, subtract ) {
6507     var matches = rnumsplit.exec( value );
6508     return matches ?
6509         // Guard against undefined "subtract", e.g., when used as in cssHooks
6510         Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
6511         value;
6512 }
6513 
6514 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
6515     var i = extra === ( isBorderBox ? "border" : "content" ) ?
6516         // If we already have the right measurement, avoid augmentation
6517         4 :
6518         // Otherwise initialize for horizontal or vertical properties
6519         name === "width" ? 1 : 0,
6520 
6521         val = 0;
6522 
6523     for ( ; i < 4; i += 2 ) {
6524         // both box models exclude margin, so add it if we want it
6525         if ( extra === "margin" ) {
6526             val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
6527         }
6528 
6529         if ( isBorderBox ) {
6530             // border-box includes padding, so remove it if we want content
6531             if ( extra === "content" ) {
6532                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6533             }
6534 
6535             // at this point, extra isn't border nor margin, so remove border
6536             if ( extra !== "margin" ) {
6537                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6538             }
6539         } else {
6540             // at this point, extra isn't content, so add padding
6541             val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6542 
6543             // at this point, extra isn't content nor padding, so add border
6544             if ( extra !== "padding" ) {
6545                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6546             }
6547         }
6548     }
6549 
6550     return val;
6551 }
6552 
6553 function getWidthOrHeight( elem, name, extra ) {
6554 
6555     // Start with offset property, which is equivalent to the border-box value
6556     var valueIsBorderBox = true,
6557         val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
6558         styles = getStyles( elem ),
6559         isBorderBox = support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
6560 
6561     // some non-html elements return undefined for offsetWidth, so check for null/undefined
6562     // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
6563     // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
6564     if ( val <= 0 || val == null ) {
6565         // Fall back to computed then uncomputed css if necessary
6566         val = curCSS( elem, name, styles );
6567         if ( val < 0 || val == null ) {
6568             val = elem.style[ name ];
6569         }
6570 
6571         // Computed unit is not pixels. Stop here and return.
6572         if ( rnumnonpx.test(val) ) {
6573             return val;
6574         }
6575 
6576         // we need the check for style in case a browser which returns unreliable values
6577         // for getComputedStyle silently falls back to the reliable elem.style
6578         valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
6579 
6580         // Normalize "", auto, and prepare for extra
6581         val = parseFloat( val ) || 0;
6582     }
6583 
6584     // use the active box-sizing model to add/subtract irrelevant styles
6585     return ( val +
6586         augmentWidthOrHeight(
6587             elem,
6588             name,
6589             extra || ( isBorderBox ? "border" : "content" ),
6590             valueIsBorderBox,
6591             styles
6592         )
6593     ) + "px";
6594 }
6595 
6596 jQuery.extend({
6597     // Add in style property hooks for overriding the default
6598     // behavior of getting and setting a style property
6599     cssHooks: {
6600         opacity: {
6601             get: function( elem, computed ) {
6602                 if ( computed ) {
6603                     // We should always get a number back from opacity
6604                     var ret = curCSS( elem, "opacity" );
6605                     return ret === "" ? "1" : ret;
6606                 }
6607             }
6608         }
6609     },
6610 
6611     // Don't automatically add "px" to these possibly-unitless properties
6612     cssNumber: {
6613         "columnCount": true,
6614         "fillOpacity": true,
6615         "flexGrow": true,
6616         "flexShrink": true,
6617         "fontWeight": true,
6618         "lineHeight": true,
6619         "opacity": true,
6620         "order": true,
6621         "orphans": true,
6622         "widows": true,
6623         "zIndex": true,
6624         "zoom": true
6625     },
6626 
6627     // Add in properties whose names you wish to fix before
6628     // setting or getting the value
6629     cssProps: {
6630         // normalize float css property
6631         "float": support.cssFloat ? "cssFloat" : "styleFloat"
6632     },
6633 
6634     // Get and set the style property on a DOM Node
6635     style: function( elem, name, value, extra ) {
6636         // Don't set styles on text and comment nodes
6637         if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6638             return;
6639         }
6640 
6641         // Make sure that we're working with the right name
6642         var ret, type, hooks,
6643             origName = jQuery.camelCase( name ),
6644             style = elem.style;
6645 
6646         name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6647 
6648         // gets hook for the prefixed version
6649         // followed by the unprefixed version
6650         hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6651 
6652         // Check if we're setting a value
6653         if ( value !== undefined ) {
6654             type = typeof value;
6655 
6656             // convert relative number strings (+= or -=) to relative numbers. #7345
6657             if ( type === "string" && (ret = rrelNum.exec( value )) ) {
6658                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
6659                 // Fixes bug #9237
6660                 type = "number";
6661             }
6662 
6663             // Make sure that null and NaN values aren't set. See: #7116
6664             if ( value == null || value !== value ) {
6665                 return;
6666             }
6667 
6668             // If a number was passed in, add 'px' to the (except for certain CSS properties)
6669             if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
6670                 value += "px";
6671             }
6672 
6673             // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
6674             // but it would mean to define eight (for every problematic property) identical functions
6675             if ( !support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
6676                 style[ name ] = "inherit";
6677             }
6678 
6679             // If a hook was provided, use that value, otherwise just set the specified value
6680             if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
6681 
6682                 // Support: IE
6683                 // Swallow errors from 'invalid' CSS values (#5509)
6684                 try {
6685                     style[ name ] = value;
6686                 } catch(e) {}
6687             }
6688 
6689         } else {
6690             // If a hook was provided get the non-computed value from there
6691             if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
6692                 return ret;
6693             }
6694 
6695             // Otherwise just get the value from the style object
6696             return style[ name ];
6697         }
6698     },
6699 
6700     css: function( elem, name, extra, styles ) {
6701         var num, val, hooks,
6702             origName = jQuery.camelCase( name );
6703 
6704         // Make sure that we're working with the right name
6705         name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
6706 
6707         // gets hook for the prefixed version
6708         // followed by the unprefixed version
6709         hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6710 
6711         // If a hook was provided get the computed value from there
6712         if ( hooks && "get" in hooks ) {
6713             val = hooks.get( elem, true, extra );
6714         }
6715 
6716         // Otherwise, if a way to get the computed value exists, use that
6717         if ( val === undefined ) {
6718             val = curCSS( elem, name, styles );
6719         }
6720 
6721         //convert "normal" to computed value
6722         if ( val === "normal" && name in cssNormalTransform ) {
6723             val = cssNormalTransform[ name ];
6724         }
6725 
6726         // Return, converting to number if forced or a qualifier was provided and val looks numeric
6727         if ( extra === "" || extra ) {
6728             num = parseFloat( val );
6729             return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
6730         }
6731         return val;
6732     }
6733 });
6734 
6735 jQuery.each([ "height", "width" ], function( i, name ) {
6736     jQuery.cssHooks[ name ] = {
6737         get: function( elem, computed, extra ) {
6738             if ( computed ) {
6739                 // certain elements can have dimension info if we invisibly show them
6740                 // however, it must have a current display style that would benefit from this
6741                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ?
6742                     jQuery.swap( elem, cssShow, function() {
6743                         return getWidthOrHeight( elem, name, extra );
6744                     }) :
6745                     getWidthOrHeight( elem, name, extra );
6746             }
6747         },
6748 
6749         set: function( elem, value, extra ) {
6750             var styles = extra && getStyles( elem );
6751             return setPositiveNumber( elem, value, extra ?
6752                 augmentWidthOrHeight(
6753                     elem,
6754                     name,
6755                     extra,
6756                     support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6757                     styles
6758                 ) : 0
6759             );
6760         }
6761     };
6762 });
6763 
6764 if ( !support.opacity ) {
6765     jQuery.cssHooks.opacity = {
6766         get: function( elem, computed ) {
6767             // IE uses filters for opacity
6768             return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
6769                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
6770                 computed ? "1" : "";
6771         },
6772 
6773         set: function( elem, value ) {
6774             var style = elem.style,
6775                 currentStyle = elem.currentStyle,
6776                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
6777                 filter = currentStyle && currentStyle.filter || style.filter || "";
6778 
6779             // IE has trouble with opacity if it does not have layout
6780             // Force it by setting the zoom level
6781             style.zoom = 1;
6782 
6783             // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
6784             // if value === "", then remove inline opacity #12685
6785             if ( ( value >= 1 || value === "" ) &&
6786                     jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
6787                     style.removeAttribute ) {
6788 
6789                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
6790                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
6791                 // style.removeAttribute is IE Only, but so apparently is this code path...
6792                 style.removeAttribute( "filter" );
6793 
6794                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
6795                 if ( value === "" || currentStyle && !currentStyle.filter ) {
6796                     return;
6797                 }
6798             }
6799 
6800             // otherwise, set new filter values
6801             style.filter = ralpha.test( filter ) ?
6802                 filter.replace( ralpha, opacity ) :
6803                 filter + " " + opacity;
6804         }
6805     };
6806 }
6807 
6808 jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
6809     function( elem, computed ) {
6810         if ( computed ) {
6811             // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
6812             // Work around by temporarily setting element display to inline-block
6813             return jQuery.swap( elem, { "display": "inline-block" },
6814                 curCSS, [ elem, "marginRight" ] );
6815         }
6816     }
6817 );
6818 
6819 // These hooks are used by animate to expand properties
6820 jQuery.each({
6821     margin: "",
6822     padding: "",
6823     border: "Width"
6824 }, function( prefix, suffix ) {
6825     jQuery.cssHooks[ prefix + suffix ] = {
6826         expand: function( value ) {
6827             var i = 0,
6828                 expanded = {},
6829 
6830                 // assumes a single number if not a string
6831                 parts = typeof value === "string" ? value.split(" ") : [ value ];
6832 
6833             for ( ; i < 4; i++ ) {
6834                 expanded[ prefix + cssExpand[ i ] + suffix ] =
6835                     parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6836             }
6837 
6838             return expanded;
6839         }
6840     };
6841 
6842     if ( !rmargin.test( prefix ) ) {
6843         jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6844     }
6845 });
6846 
6847 jQuery.fn.extend({
6848     css: function( name, value ) {
6849         return access( this, function( elem, name, value ) {
6850             var styles, len,
6851                 map = {},
6852                 i = 0;
6853 
6854             if ( jQuery.isArray( name ) ) {
6855                 styles = getStyles( elem );
6856                 len = name.length;
6857 
6858                 for ( ; i < len; i++ ) {
6859                     map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6860                 }
6861 
6862                 return map;
6863             }
6864 
6865             return value !== undefined ?
6866                 jQuery.style( elem, name, value ) :
6867                 jQuery.css( elem, name );
6868         }, name, value, arguments.length > 1 );
6869     },
6870     show: function() {
6871         return showHide( this, true );
6872     },
6873     hide: function() {
6874         return showHide( this );
6875     },
6876     toggle: function( state ) {
6877         if ( typeof state === "boolean" ) {
6878             return state ? this.show() : this.hide();
6879         }
6880 
6881         return this.each(function() {
6882             if ( isHidden( this ) ) {
6883                 jQuery( this ).show();
6884             } else {
6885                 jQuery( this ).hide();
6886             }
6887         });
6888     }
6889 });
6890 
6891 
6892 function Tween( elem, options, prop, end, easing ) {
6893     return new Tween.prototype.init( elem, options, prop, end, easing );
6894 }
6895 jQuery.Tween = Tween;
6896 
6897 Tween.prototype = {
6898     constructor: Tween,
6899     init: function( elem, options, prop, end, easing, unit ) {
6900         this.elem = elem;
6901         this.prop = prop;
6902         this.easing = easing || "swing";
6903         this.options = options;
6904         this.start = this.now = this.cur();
6905         this.end = end;
6906         this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
6907     },
6908     cur: function() {
6909         var hooks = Tween.propHooks[ this.prop ];
6910 
6911         return hooks && hooks.get ?
6912             hooks.get( this ) :
6913             Tween.propHooks._default.get( this );
6914     },
6915     run: function( percent ) {
6916         var eased,
6917             hooks = Tween.propHooks[ this.prop ];
6918 
6919         if ( this.options.duration ) {
6920             this.pos = eased = jQuery.easing[ this.easing ](
6921                 percent, this.options.duration * percent, 0, 1, this.options.duration
6922             );
6923         } else {
6924             this.pos = eased = percent;
6925         }
6926         this.now = ( this.end - this.start ) * eased + this.start;
6927 
6928         if ( this.options.step ) {
6929             this.options.step.call( this.elem, this.now, this );
6930         }
6931 
6932         if ( hooks && hooks.set ) {
6933             hooks.set( this );
6934         } else {
6935             Tween.propHooks._default.set( this );
6936         }
6937         return this;
6938     }
6939 };
6940 
6941 Tween.prototype.init.prototype = Tween.prototype;
6942 
6943 Tween.propHooks = {
6944     _default: {
6945         get: function( tween ) {
6946             var result;
6947 
6948             if ( tween.elem[ tween.prop ] != null &&
6949                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
6950                 return tween.elem[ tween.prop ];
6951             }
6952 
6953             // passing an empty string as a 3rd parameter to .css will automatically
6954             // attempt a parseFloat and fallback to a string if the parse fails
6955             // so, simple values such as "10px" are parsed to Float.
6956             // complex values such as "rotate(1rad)" are returned as is.
6957             result = jQuery.css( tween.elem, tween.prop, "" );
6958             // Empty strings, null, undefined and "auto" are converted to 0.
6959             return !result || result === "auto" ? 0 : result;
6960         },
6961         set: function( tween ) {
6962             // use step hook for back compat - use cssHook if its there - use .style if its
6963             // available and use plain properties where available
6964             if ( jQuery.fx.step[ tween.prop ] ) {
6965                 jQuery.fx.step[ tween.prop ]( tween );
6966             } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
6967                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
6968             } else {
6969                 tween.elem[ tween.prop ] = tween.now;
6970             }
6971         }
6972     }
6973 };
6974 
6975 // Support: IE <=9
6976 // Panic based approach to setting things on disconnected nodes
6977 
6978 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
6979     set: function( tween ) {
6980         if ( tween.elem.nodeType && tween.elem.parentNode ) {
6981             tween.elem[ tween.prop ] = tween.now;
6982         }
6983     }
6984 };
6985 
6986 jQuery.easing = {
6987     linear: function( p ) {
6988         return p;
6989     },
6990     swing: function( p ) {
6991         return 0.5 - Math.cos( p * Math.PI ) / 2;
6992     }
6993 };
6994 
6995 jQuery.fx = Tween.prototype.init;
6996 
6997 // Back Compat <1.8 extension point
6998 jQuery.fx.step = {};
6999 
7000 
7001 
7002 
7003 var
7004     fxNow, timerId,
7005     rfxtypes = /^(?:toggle|show|hide)$/,
7006     rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
7007     rrun = /queueHooks$/,
7008     animationPrefilters = [ defaultPrefilter ],
7009     tweeners = {
7010         "*": [ function( prop, value ) {
7011             var tween = this.createTween( prop, value ),
7012                 target = tween.cur(),
7013                 parts = rfxnum.exec( value ),
7014                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
7015 
7016                 // Starting value computation is required for potential unit mismatches
7017                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
7018                     rfxnum.exec( jQuery.css( tween.elem, prop ) ),
7019                 scale = 1,
7020                 maxIterations = 20;
7021 
7022             if ( start && start[ 3 ] !== unit ) {
7023                 // Trust units reported by jQuery.css
7024                 unit = unit || start[ 3 ];
7025 
7026                 // Make sure we update the tween properties later on
7027                 parts = parts || [];
7028 
7029                 // Iteratively approximate from a nonzero starting point
7030                 start = +target || 1;
7031 
7032                 do {
7033                     // If previous iteration zeroed out, double until we get *something*
7034                     // Use a string for doubling factor so we don't accidentally see scale as unchanged below
7035                     scale = scale || ".5";
7036 
7037                     // Adjust and apply
7038                     start = start / scale;
7039                     jQuery.style( tween.elem, prop, start + unit );
7040 
7041                 // Update scale, tolerating zero or NaN from tween.cur()
7042                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
7043                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
7044             }
7045 
7046             // Update tween properties
7047             if ( parts ) {
7048                 start = tween.start = +start || +target || 0;
7049                 tween.unit = unit;
7050                 // If a +=/-= token was provided, we're doing a relative animation
7051                 tween.end = parts[ 1 ] ?
7052                     start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
7053                     +parts[ 2 ];
7054             }
7055 
7056             return tween;
7057         } ]
7058     };
7059 
7060 // Animations created synchronously will run synchronously
7061 function createFxNow() {
7062     setTimeout(function() {
7063         fxNow = undefined;
7064     });
7065     return ( fxNow = jQuery.now() );
7066 }
7067 
7068 // Generate parameters to create a standard animation
7069 function genFx( type, includeWidth ) {
7070     var which,
7071         attrs = { height: type },
7072         i = 0;
7073 
7074     // if we include width, step value is 1 to do all cssExpand values,
7075     // if we don't include width, step value is 2 to skip over Left and Right
7076     includeWidth = includeWidth ? 1 : 0;
7077     for ( ; i < 4 ; i += 2 - includeWidth ) {
7078         which = cssExpand[ i ];
7079         attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
7080     }
7081 
7082     if ( includeWidth ) {
7083         attrs.opacity = attrs.width = type;
7084     }
7085 
7086     return attrs;
7087 }
7088 
7089 function createTween( value, prop, animation ) {
7090     var tween,
7091         collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
7092         index = 0,
7093         length = collection.length;
7094     for ( ; index < length; index++ ) {
7095         if ( (tween = collection[ index ].call( animation, prop, value )) ) {
7096 
7097             // we're done with this property
7098             return tween;
7099         }
7100     }
7101 }
7102 
7103 function defaultPrefilter( elem, props, opts ) {
7104     /* jshint validthis: true */
7105     var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
7106         anim = this,
7107         orig = {},
7108         style = elem.style,
7109         hidden = elem.nodeType && isHidden( elem ),
7110         dataShow = jQuery._data( elem, "fxshow" );
7111 
7112     // handle queue: false promises
7113     if ( !opts.queue ) {
7114         hooks = jQuery._queueHooks( elem, "fx" );
7115         if ( hooks.unqueued == null ) {
7116             hooks.unqueued = 0;
7117             oldfire = hooks.empty.fire;
7118             hooks.empty.fire = function() {
7119                 if ( !hooks.unqueued ) {
7120                     oldfire();
7121                 }
7122             };
7123         }
7124         hooks.unqueued++;
7125 
7126         anim.always(function() {
7127             // doing this makes sure that the complete handler will be called
7128             // before this completes
7129             anim.always(function() {
7130                 hooks.unqueued--;
7131                 if ( !jQuery.queue( elem, "fx" ).length ) {
7132                     hooks.empty.fire();
7133                 }
7134             });
7135         });
7136     }
7137 
7138     // height/width overflow pass
7139     if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
7140         // Make sure that nothing sneaks out
7141         // Record all 3 overflow attributes because IE does not
7142         // change the overflow attribute when overflowX and
7143         // overflowY are set to the same value
7144         opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
7145 
7146         // Set display property to inline-block for height/width
7147         // animations on inline elements that are having width/height animated
7148         display = jQuery.css( elem, "display" );
7149 
7150         // Test default display if display is currently "none"
7151         checkDisplay = display === "none" ?
7152             jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
7153 
7154         if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
7155 
7156             // inline-level elements accept inline-block;
7157             // block-level elements need to be inline with layout
7158             if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
7159                 style.display = "inline-block";
7160             } else {
7161                 style.zoom = 1;
7162             }
7163         }
7164     }
7165 
7166     if ( opts.overflow ) {
7167         style.overflow = "hidden";
7168         if ( !support.shrinkWrapBlocks() ) {
7169             anim.always(function() {
7170                 style.overflow = opts.overflow[ 0 ];
7171                 style.overflowX = opts.overflow[ 1 ];
7172                 style.overflowY = opts.overflow[ 2 ];
7173             });
7174         }
7175     }
7176 
7177     // show/hide pass
7178     for ( prop in props ) {
7179         value = props[ prop ];
7180         if ( rfxtypes.exec( value ) ) {
7181             delete props[ prop ];
7182             toggle = toggle || value === "toggle";
7183             if ( value === ( hidden ? "hide" : "show" ) ) {
7184 
7185                 // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
7186                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
7187                     hidden = true;
7188                 } else {
7189                     continue;
7190                 }
7191             }
7192             orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
7193 
7194         // Any non-fx value stops us from restoring the original display value
7195         } else {
7196             display = undefined;
7197         }
7198     }
7199 
7200     if ( !jQuery.isEmptyObject( orig ) ) {
7201         if ( dataShow ) {
7202             if ( "hidden" in dataShow ) {
7203                 hidden = dataShow.hidden;
7204             }
7205         } else {
7206             dataShow = jQuery._data( elem, "fxshow", {} );
7207         }
7208 
7209         // store state if its toggle - enables .stop().toggle() to "reverse"
7210         if ( toggle ) {
7211             dataShow.hidden = !hidden;
7212         }
7213         if ( hidden ) {
7214             jQuery( elem ).show();
7215         } else {
7216             anim.done(function() {
7217                 jQuery( elem ).hide();
7218             });
7219         }
7220         anim.done(function() {
7221             var prop;
7222             jQuery._removeData( elem, "fxshow" );
7223             for ( prop in orig ) {
7224                 jQuery.style( elem, prop, orig[ prop ] );
7225             }
7226         });
7227         for ( prop in orig ) {
7228             tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
7229 
7230             if ( !( prop in dataShow ) ) {
7231                 dataShow[ prop ] = tween.start;
7232                 if ( hidden ) {
7233                     tween.end = tween.start;
7234                     tween.start = prop === "width" || prop === "height" ? 1 : 0;
7235                 }
7236             }
7237         }
7238 
7239     // If this is a noop like .hide().hide(), restore an overwritten display value
7240     } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) {
7241         style.display = display;
7242     }
7243 }
7244 
7245 function propFilter( props, specialEasing ) {
7246     var index, name, easing, value, hooks;
7247 
7248     // camelCase, specialEasing and expand cssHook pass
7249     for ( index in props ) {
7250         name = jQuery.camelCase( index );
7251         easing = specialEasing[ name ];
7252         value = props[ index ];
7253         if ( jQuery.isArray( value ) ) {
7254             easing = value[ 1 ];
7255             value = props[ index ] = value[ 0 ];
7256         }
7257 
7258         if ( index !== name ) {
7259             props[ name ] = value;
7260             delete props[ index ];
7261         }
7262 
7263         hooks = jQuery.cssHooks[ name ];
7264         if ( hooks && "expand" in hooks ) {
7265             value = hooks.expand( value );
7266             delete props[ name ];
7267 
7268             // not quite $.extend, this wont overwrite keys already present.
7269             // also - reusing 'index' from above because we have the correct "name"
7270             for ( index in value ) {
7271                 if ( !( index in props ) ) {
7272                     props[ index ] = value[ index ];
7273                     specialEasing[ index ] = easing;
7274                 }
7275             }
7276         } else {
7277             specialEasing[ name ] = easing;
7278         }
7279     }
7280 }
7281 
7282 function Animation( elem, properties, options ) {
7283     var result,
7284         stopped,
7285         index = 0,
7286         length = animationPrefilters.length,
7287         deferred = jQuery.Deferred().always( function() {
7288             // don't match elem in the :animated selector
7289             delete tick.elem;
7290         }),
7291         tick = function() {
7292             if ( stopped ) {
7293                 return false;
7294             }
7295             var currentTime = fxNow || createFxNow(),
7296                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
7297                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
7298                 temp = remaining / animation.duration || 0,
7299                 percent = 1 - temp,
7300                 index = 0,
7301                 length = animation.tweens.length;
7302 
7303             for ( ; index < length ; index++ ) {
7304                 animation.tweens[ index ].run( percent );
7305             }
7306 
7307             deferred.notifyWith( elem, [ animation, percent, remaining ]);
7308 
7309             if ( percent < 1 && length ) {
7310                 return remaining;
7311             } else {
7312                 deferred.resolveWith( elem, [ animation ] );
7313                 return false;
7314             }
7315         },
7316         animation = deferred.promise({
7317             elem: elem,
7318             props: jQuery.extend( {}, properties ),
7319             opts: jQuery.extend( true, { specialEasing: {} }, options ),
7320             originalProperties: properties,
7321             originalOptions: options,
7322             startTime: fxNow || createFxNow(),
7323             duration: options.duration,
7324             tweens: [],
7325             createTween: function( prop, end ) {
7326                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
7327                         animation.opts.specialEasing[ prop ] || animation.opts.easing );
7328                 animation.tweens.push( tween );
7329                 return tween;
7330             },
7331             stop: function( gotoEnd ) {
7332                 var index = 0,
7333                     // if we are going to the end, we want to run all the tweens
7334                     // otherwise we skip this part
7335                     length = gotoEnd ? animation.tweens.length : 0;
7336                 if ( stopped ) {
7337                     return this;
7338                 }
7339                 stopped = true;
7340                 for ( ; index < length ; index++ ) {
7341                     animation.tweens[ index ].run( 1 );
7342                 }
7343 
7344                 // resolve when we played the last frame
7345                 // otherwise, reject
7346                 if ( gotoEnd ) {
7347                     deferred.resolveWith( elem, [ animation, gotoEnd ] );
7348                 } else {
7349                     deferred.rejectWith( elem, [ animation, gotoEnd ] );
7350                 }
7351                 return this;
7352             }
7353         }),
7354         props = animation.props;
7355 
7356     propFilter( props, animation.opts.specialEasing );
7357 
7358     for ( ; index < length ; index++ ) {
7359         result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
7360         if ( result ) {
7361             return result;
7362         }
7363     }
7364 
7365     jQuery.map( props, createTween, animation );
7366 
7367     if ( jQuery.isFunction( animation.opts.start ) ) {
7368         animation.opts.start.call( elem, animation );
7369     }
7370 
7371     jQuery.fx.timer(
7372         jQuery.extend( tick, {
7373             elem: elem,
7374             anim: animation,
7375             queue: animation.opts.queue
7376         })
7377     );
7378 
7379     // attach callbacks from options
7380     return animation.progress( animation.opts.progress )
7381         .done( animation.opts.done, animation.opts.complete )
7382         .fail( animation.opts.fail )
7383         .always( animation.opts.always );
7384 }
7385 
7386 jQuery.Animation = jQuery.extend( Animation, {
7387     tweener: function( props, callback ) {
7388         if ( jQuery.isFunction( props ) ) {
7389             callback = props;
7390             props = [ "*" ];
7391         } else {
7392             props = props.split(" ");
7393         }
7394 
7395         var prop,
7396             index = 0,
7397             length = props.length;
7398 
7399         for ( ; index < length ; index++ ) {
7400             prop = props[ index ];
7401             tweeners[ prop ] = tweeners[ prop ] || [];
7402             tweeners[ prop ].unshift( callback );
7403         }
7404     },
7405 
7406     prefilter: function( callback, prepend ) {
7407         if ( prepend ) {
7408             animationPrefilters.unshift( callback );
7409         } else {
7410             animationPrefilters.push( callback );
7411         }
7412     }
7413 });
7414 
7415 jQuery.speed = function( speed, easing, fn ) {
7416     var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
7417         complete: fn || !fn && easing ||
7418             jQuery.isFunction( speed ) && speed,
7419         duration: speed,
7420         easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
7421     };
7422 
7423     opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
7424         opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
7425 
7426     // normalize opt.queue - true/undefined/null -> "fx"
7427     if ( opt.queue == null || opt.queue === true ) {
7428         opt.queue = "fx";
7429     }
7430 
7431     // Queueing
7432     opt.old = opt.complete;
7433 
7434     opt.complete = function() {
7435         if ( jQuery.isFunction( opt.old ) ) {
7436             opt.old.call( this );
7437         }
7438 
7439         if ( opt.queue ) {
7440             jQuery.dequeue( this, opt.queue );
7441         }
7442     };
7443 
7444     return opt;
7445 };
7446 
7447 jQuery.fn.extend({
7448     fadeTo: function( speed, to, easing, callback ) {
7449 
7450         // show any hidden elements after setting opacity to 0
7451         return this.filter( isHidden ).css( "opacity", 0 ).show()
7452 
7453             // animate to the value specified
7454             .end().animate({ opacity: to }, speed, easing, callback );
7455     },
7456     animate: function( prop, speed, easing, callback ) {
7457         var empty = jQuery.isEmptyObject( prop ),
7458             optall = jQuery.speed( speed, easing, callback ),
7459             doAnimation = function() {
7460                 // Operate on a copy of prop so per-property easing won't be lost
7461                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
7462 
7463                 // Empty animations, or finishing resolves immediately
7464                 if ( empty || jQuery._data( this, "finish" ) ) {
7465                     anim.stop( true );
7466                 }
7467             };
7468             doAnimation.finish = doAnimation;
7469 
7470         return empty || optall.queue === false ?
7471             this.each( doAnimation ) :
7472             this.queue( optall.queue, doAnimation );
7473     },
7474     stop: function( type, clearQueue, gotoEnd ) {
7475         var stopQueue = function( hooks ) {
7476             var stop = hooks.stop;
7477             delete hooks.stop;
7478             stop( gotoEnd );
7479         };
7480 
7481         if ( typeof type !== "string" ) {
7482             gotoEnd = clearQueue;
7483             clearQueue = type;
7484             type = undefined;
7485         }
7486         if ( clearQueue && type !== false ) {
7487             this.queue( type || "fx", [] );
7488         }
7489 
7490         return this.each(function() {
7491             var dequeue = true,
7492                 index = type != null && type + "queueHooks",
7493                 timers = jQuery.timers,
7494                 data = jQuery._data( this );
7495 
7496             if ( index ) {
7497                 if ( data[ index ] && data[ index ].stop ) {
7498                     stopQueue( data[ index ] );
7499                 }
7500             } else {
7501                 for ( index in data ) {
7502                     if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
7503                         stopQueue( data[ index ] );
7504                     }
7505                 }
7506             }
7507 
7508             for ( index = timers.length; index--; ) {
7509                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
7510                     timers[ index ].anim.stop( gotoEnd );
7511                     dequeue = false;
7512                     timers.splice( index, 1 );
7513                 }
7514             }
7515 
7516             // start the next in the queue if the last step wasn't forced
7517             // timers currently will call their complete callbacks, which will dequeue
7518             // but only if they were gotoEnd
7519             if ( dequeue || !gotoEnd ) {
7520                 jQuery.dequeue( this, type );
7521             }
7522         });
7523     },
7524     finish: function( type ) {
7525         if ( type !== false ) {
7526             type = type || "fx";
7527         }
7528         return this.each(function() {
7529             var index,
7530                 data = jQuery._data( this ),
7531                 queue = data[ type + "queue" ],
7532                 hooks = data[ type + "queueHooks" ],
7533                 timers = jQuery.timers,
7534                 length = queue ? queue.length : 0;
7535 
7536             // enable finishing flag on private data
7537             data.finish = true;
7538 
7539             // empty the queue first
7540             jQuery.queue( this, type, [] );
7541 
7542             if ( hooks && hooks.stop ) {
7543                 hooks.stop.call( this, true );
7544             }
7545 
7546             // look for any active animations, and finish them
7547             for ( index = timers.length; index--; ) {
7548                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
7549                     timers[ index ].anim.stop( true );
7550                     timers.splice( index, 1 );
7551                 }
7552             }
7553 
7554             // look for any animations in the old queue and finish them
7555             for ( index = 0; index < length; index++ ) {
7556                 if ( queue[ index ] && queue[ index ].finish ) {
7557                     queue[ index ].finish.call( this );
7558                 }
7559             }
7560 
7561             // turn off finishing flag
7562             delete data.finish;
7563         });
7564     }
7565 });
7566 
7567 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
7568     var cssFn = jQuery.fn[ name ];
7569     jQuery.fn[ name ] = function( speed, easing, callback ) {
7570         return speed == null || typeof speed === "boolean" ?
7571             cssFn.apply( this, arguments ) :
7572             this.animate( genFx( name, true ), speed, easing, callback );
7573     };
7574 });
7575 
7576 // Generate shortcuts for custom animations
7577 jQuery.each({
7578     slideDown: genFx("show"),
7579     slideUp: genFx("hide"),
7580     slideToggle: genFx("toggle"),
7581     fadeIn: { opacity: "show" },
7582     fadeOut: { opacity: "hide" },
7583     fadeToggle: { opacity: "toggle" }
7584 }, function( name, props ) {
7585     jQuery.fn[ name ] = function( speed, easing, callback ) {
7586         return this.animate( props, speed, easing, callback );
7587     };
7588 });
7589 
7590 jQuery.timers = [];
7591 jQuery.fx.tick = function() {
7592     var timer,
7593         timers = jQuery.timers,
7594         i = 0;
7595 
7596     fxNow = jQuery.now();
7597 
7598     for ( ; i < timers.length; i++ ) {
7599         timer = timers[ i ];
7600         // Checks the timer has not already been removed
7601         if ( !timer() && timers[ i ] === timer ) {
7602             timers.splice( i--, 1 );
7603         }
7604     }
7605 
7606     if ( !timers.length ) {
7607         jQuery.fx.stop();
7608     }
7609     fxNow = undefined;
7610 };
7611 
7612 jQuery.fx.timer = function( timer ) {
7613     jQuery.timers.push( timer );
7614     if ( timer() ) {
7615         jQuery.fx.start();
7616     } else {
7617         jQuery.timers.pop();
7618     }
7619 };
7620 
7621 jQuery.fx.interval = 13;
7622 
7623 jQuery.fx.start = function() {
7624     if ( !timerId ) {
7625         timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
7626     }
7627 };
7628 
7629 jQuery.fx.stop = function() {
7630     clearInterval( timerId );
7631     timerId = null;
7632 };
7633 
7634 jQuery.fx.speeds = {
7635     slow: 600,
7636     fast: 200,
7637     // Default speed
7638     _default: 400
7639 };
7640 
7641 
7642 // Based off of the plugin by Clint Helfers, with permission.
7643 // http://blindsignals.com/index.php/2009/07/jquery-delay/
7644 jQuery.fn.delay = function( time, type ) {
7645     time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
7646     type = type || "fx";
7647 
7648     return this.queue( type, function( next, hooks ) {
7649         var timeout = setTimeout( next, time );
7650         hooks.stop = function() {
7651             clearTimeout( timeout );
7652         };
7653     });
7654 };
7655 
7656 
7657 (function() {
7658     // Minified: var a,b,c,d,e
7659     var input, div, select, a, opt;
7660 
7661     // Setup
7662     div = document.createElement( "div" );
7663     div.setAttribute( "className", "t" );
7664     div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
7665     a = div.getElementsByTagName("a")[ 0 ];
7666 
7667     // First batch of tests.
7668     select = document.createElement("select");
7669     opt = select.appendChild( document.createElement("option") );
7670     input = div.getElementsByTagName("input")[ 0 ];
7671 
7672     a.style.cssText = "top:1px";
7673 
7674     // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
7675     support.getSetAttribute = div.className !== "t";
7676 
7677     // Get the style information from getAttribute
7678     // (IE uses .cssText instead)
7679     support.style = /top/.test( a.getAttribute("style") );
7680 
7681     // Make sure that URLs aren't manipulated
7682     // (IE normalizes it by default)
7683     support.hrefNormalized = a.getAttribute("href") === "/a";
7684 
7685     // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
7686     support.checkOn = !!input.value;
7687 
7688     // Make sure that a selected-by-default option has a working selected property.
7689     // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
7690     support.optSelected = opt.selected;
7691 
7692     // Tests for enctype support on a form (#6743)
7693     support.enctype = !!document.createElement("form").enctype;
7694 
7695     // Make sure that the options inside disabled selects aren't marked as disabled
7696     // (WebKit marks them as disabled)
7697     select.disabled = true;
7698     support.optDisabled = !opt.disabled;
7699 
7700     // Support: IE8 only
7701     // Check if we can trust getAttribute("value")
7702     input = document.createElement( "input" );
7703     input.setAttribute( "value", "" );
7704     support.input = input.getAttribute( "value" ) === "";
7705 
7706     // Check if an input maintains its value after becoming a radio
7707     input.value = "t";
7708     input.setAttribute( "type", "radio" );
7709     support.radioValue = input.value === "t";
7710 })();
7711 
7712 
7713 var rreturn = /\r/g;
7714 
7715 jQuery.fn.extend({
7716     val: function( value ) {
7717         var hooks, ret, isFunction,
7718             elem = this[0];
7719 
7720         if ( !arguments.length ) {
7721             if ( elem ) {
7722                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7723 
7724                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
7725                     return ret;
7726                 }
7727 
7728                 ret = elem.value;
7729 
7730                 return typeof ret === "string" ?
7731                     // handle most common string cases
7732                     ret.replace(rreturn, "") :
7733                     // handle cases where value is null/undef or number
7734                     ret == null ? "" : ret;
7735             }
7736 
7737             return;
7738         }
7739 
7740         isFunction = jQuery.isFunction( value );
7741 
7742         return this.each(function( i ) {
7743             var val;
7744 
7745             if ( this.nodeType !== 1 ) {
7746                 return;
7747             }
7748 
7749             if ( isFunction ) {
7750                 val = value.call( this, i, jQuery( this ).val() );
7751             } else {
7752                 val = value;
7753             }
7754 
7755             // Treat null/undefined as ""; convert numbers to string
7756             if ( val == null ) {
7757                 val = "";
7758             } else if ( typeof val === "number" ) {
7759                 val += "";
7760             } else if ( jQuery.isArray( val ) ) {
7761                 val = jQuery.map( val, function( value ) {
7762                     return value == null ? "" : value + "";
7763                 });
7764             }
7765 
7766             hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7767 
7768             // If set returns undefined, fall back to normal setting
7769             if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
7770                 this.value = val;
7771             }
7772         });
7773     }
7774 });
7775 
7776 jQuery.extend({
7777     valHooks: {
7778         option: {
7779             get: function( elem ) {
7780                 var val = jQuery.find.attr( elem, "value" );
7781                 return val != null ?
7782                     val :
7783                     // Support: IE10-11+
7784                     // option.text throws exceptions (#14686, #14858)
7785                     jQuery.trim( jQuery.text( elem ) );
7786             }
7787         },
7788         select: {
7789             get: function( elem ) {
7790                 var value, option,
7791                     options = elem.options,
7792                     index = elem.selectedIndex,
7793                     one = elem.type === "select-one" || index < 0,
7794                     values = one ? null : [],
7795                     max = one ? index + 1 : options.length,
7796                     i = index < 0 ?
7797                         max :
7798                         one ? index : 0;
7799 
7800                 // Loop through all the selected options
7801                 for ( ; i < max; i++ ) {
7802                     option = options[ i ];
7803 
7804                     // oldIE doesn't update selected after form reset (#2551)
7805                     if ( ( option.selected || i === index ) &&
7806                             // Don't return options that are disabled or in a disabled optgroup
7807                             ( support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
7808                             ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
7809 
7810                         // Get the specific value for the option
7811                         value = jQuery( option ).val();
7812 
7813                         // We don't need an array for one selects
7814                         if ( one ) {
7815                             return value;
7816                         }
7817 
7818                         // Multi-Selects return an array
7819                         values.push( value );
7820                     }
7821                 }
7822 
7823                 return values;
7824             },
7825 
7826             set: function( elem, value ) {
7827                 var optionSet, option,
7828                     options = elem.options,
7829                     values = jQuery.makeArray( value ),
7830                     i = options.length;
7831 
7832                 while ( i-- ) {
7833                     option = options[ i ];
7834 
7835                     if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) >= 0 ) {
7836 
7837                         // Support: IE6
7838                         // When new option element is added to select box we need to
7839                         // force reflow of newly added node in order to workaround delay
7840                         // of initialization properties
7841                         try {
7842                             option.selected = optionSet = true;
7843 
7844                         } catch ( _ ) {
7845 
7846                             // Will be executed only in IE6
7847                             option.scrollHeight;
7848                         }
7849 
7850                     } else {
7851                         option.selected = false;
7852                     }
7853                 }
7854 
7855                 // Force browsers to behave consistently when non-matching value is set
7856                 if ( !optionSet ) {
7857                     elem.selectedIndex = -1;
7858                 }
7859 
7860                 return options;
7861             }
7862         }
7863     }
7864 });
7865 
7866 // Radios and checkboxes getter/setter
7867 jQuery.each([ "radio", "checkbox" ], function() {
7868     jQuery.valHooks[ this ] = {
7869         set: function( elem, value ) {
7870             if ( jQuery.isArray( value ) ) {
7871                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
7872             }
7873         }
7874     };
7875     if ( !support.checkOn ) {
7876         jQuery.valHooks[ this ].get = function( elem ) {
7877             // Support: Webkit
7878             // "" is returned instead of "on" if a value isn't specified
7879             return elem.getAttribute("value") === null ? "on" : elem.value;
7880         };
7881     }
7882 });
7883 
7884 
7885 
7886 
7887 var nodeHook, boolHook,
7888     attrHandle = jQuery.expr.attrHandle,
7889     ruseDefault = /^(?:checked|selected)$/i,
7890     getSetAttribute = support.getSetAttribute,
7891     getSetInput = support.input;
7892 
7893 jQuery.fn.extend({
7894     attr: function( name, value ) {
7895         return access( this, jQuery.attr, name, value, arguments.length > 1 );
7896     },
7897 
7898     removeAttr: function( name ) {
7899         return this.each(function() {
7900             jQuery.removeAttr( this, name );
7901         });
7902     }
7903 });
7904 
7905 jQuery.extend({
7906     attr: function( elem, name, value ) {
7907         var hooks, ret,
7908             nType = elem.nodeType;
7909 
7910         // don't get/set attributes on text, comment and attribute nodes
7911         if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
7912             return;
7913         }
7914 
7915         // Fallback to prop when attributes are not supported
7916         if ( typeof elem.getAttribute === strundefined ) {
7917             return jQuery.prop( elem, name, value );
7918         }
7919 
7920         // All attributes are lowercase
7921         // Grab necessary hook if one is defined
7922         if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
7923             name = name.toLowerCase();
7924             hooks = jQuery.attrHooks[ name ] ||
7925                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
7926         }
7927 
7928         if ( value !== undefined ) {
7929 
7930             if ( value === null ) {
7931                 jQuery.removeAttr( elem, name );
7932 
7933             } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
7934                 return ret;
7935 
7936             } else {
7937                 elem.setAttribute( name, value + "" );
7938                 return value;
7939             }
7940 
7941         } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
7942             return ret;
7943 
7944         } else {
7945             ret = jQuery.find.attr( elem, name );
7946 
7947             // Non-existent attributes return null, we normalize to undefined
7948             return ret == null ?
7949                 undefined :
7950                 ret;
7951         }
7952     },
7953 
7954     removeAttr: function( elem, value ) {
7955         var name, propName,
7956             i = 0,
7957             attrNames = value && value.match( rnotwhite );
7958 
7959         if ( attrNames && elem.nodeType === 1 ) {
7960             while ( (name = attrNames[i++]) ) {
7961                 propName = jQuery.propFix[ name ] || name;
7962 
7963                 // Boolean attributes get special treatment (#10870)
7964                 if ( jQuery.expr.match.bool.test( name ) ) {
7965                     // Set corresponding property to false
7966                     if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
7967                         elem[ propName ] = false;
7968                     // Support: IE<9
7969                     // Also clear defaultChecked/defaultSelected (if appropriate)
7970                     } else {
7971                         elem[ jQuery.camelCase( "default-" + name ) ] =
7972                             elem[ propName ] = false;
7973                     }
7974 
7975                 // See #9699 for explanation of this approach (setting first, then removal)
7976                 } else {
7977                     jQuery.attr( elem, name, "" );
7978                 }
7979 
7980                 elem.removeAttribute( getSetAttribute ? name : propName );
7981             }
7982         }
7983     },
7984 
7985     attrHooks: {
7986         type: {
7987             set: function( elem, value ) {
7988                 if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
7989                     // Setting the type on a radio button after the value resets the value in IE6-9
7990                     // Reset value to default in case type is set after value during creation
7991                     var val = elem.value;
7992                     elem.setAttribute( "type", value );
7993                     if ( val ) {
7994                         elem.value = val;
7995                     }
7996                     return value;
7997                 }
7998             }
7999         }
8000     }
8001 });
8002 
8003 // Hook for boolean attributes
8004 boolHook = {
8005     set: function( elem, value, name ) {
8006         if ( value === false ) {
8007             // Remove boolean attributes when set to false
8008             jQuery.removeAttr( elem, name );
8009         } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
8010             // IE<8 needs the *property* name
8011             elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
8012 
8013         // Use defaultChecked and defaultSelected for oldIE
8014         } else {
8015             elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
8016         }
8017 
8018         return name;
8019     }
8020 };
8021 
8022 // Retrieve booleans specially
8023 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
8024 
8025     var getter = attrHandle[ name ] || jQuery.find.attr;
8026 
8027     attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
8028         function( elem, name, isXML ) {
8029             var ret, handle;
8030             if ( !isXML ) {
8031                 // Avoid an infinite loop by temporarily removing this function from the getter
8032                 handle = attrHandle[ name ];
8033                 attrHandle[ name ] = ret;
8034                 ret = getter( elem, name, isXML ) != null ?
8035                     name.toLowerCase() :
8036                     null;
8037                 attrHandle[ name ] = handle;
8038             }
8039             return ret;
8040         } :
8041         function( elem, name, isXML ) {
8042             if ( !isXML ) {
8043                 return elem[ jQuery.camelCase( "default-" + name ) ] ?
8044                     name.toLowerCase() :
8045                     null;
8046             }
8047         };
8048 });
8049 
8050 // fix oldIE attroperties
8051 if ( !getSetInput || !getSetAttribute ) {
8052     jQuery.attrHooks.value = {
8053         set: function( elem, value, name ) {
8054             if ( jQuery.nodeName( elem, "input" ) ) {
8055                 // Does not return so that setAttribute is also used
8056                 elem.defaultValue = value;
8057             } else {
8058                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
8059                 return nodeHook && nodeHook.set( elem, value, name );
8060             }
8061         }
8062     };
8063 }
8064 
8065 // IE6/7 do not support getting/setting some attributes with get/setAttribute
8066 if ( !getSetAttribute ) {
8067 
8068     // Use this for any attribute in IE6/7
8069     // This fixes almost every IE6/7 issue
8070     nodeHook = {
8071         set: function( elem, value, name ) {
8072             // Set the existing or create a new attribute node
8073             var ret = elem.getAttributeNode( name );
8074             if ( !ret ) {
8075                 elem.setAttributeNode(
8076                     (ret = elem.ownerDocument.createAttribute( name ))
8077                 );
8078             }
8079 
8080             ret.value = value += "";
8081 
8082             // Break association with cloned elements by also using setAttribute (#9646)
8083             if ( name === "value" || value === elem.getAttribute( name ) ) {
8084                 return value;
8085             }
8086         }
8087     };
8088 
8089     // Some attributes are constructed with empty-string values when not defined
8090     attrHandle.id = attrHandle.name = attrHandle.coords =
8091         function( elem, name, isXML ) {
8092             var ret;
8093             if ( !isXML ) {
8094                 return (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
8095                     ret.value :
8096                     null;
8097             }
8098         };
8099 
8100     // Fixing value retrieval on a button requires this module
8101     jQuery.valHooks.button = {
8102         get: function( elem, name ) {
8103             var ret = elem.getAttributeNode( name );
8104             if ( ret && ret.specified ) {
8105                 return ret.value;
8106             }
8107         },
8108         set: nodeHook.set
8109     };
8110 
8111     // Set contenteditable to false on removals(#10429)
8112     // Setting to empty string throws an error as an invalid value
8113     jQuery.attrHooks.contenteditable = {
8114         set: function( elem, value, name ) {
8115             nodeHook.set( elem, value === "" ? false : value, name );
8116         }
8117     };
8118 
8119     // Set width and height to auto instead of 0 on empty string( Bug #8150 )
8120     // This is for removals
8121     jQuery.each([ "width", "height" ], function( i, name ) {
8122         jQuery.attrHooks[ name ] = {
8123             set: function( elem, value ) {
8124                 if ( value === "" ) {
8125                     elem.setAttribute( name, "auto" );
8126                     return value;
8127                 }
8128             }
8129         };
8130     });
8131 }
8132 
8133 if ( !support.style ) {
8134     jQuery.attrHooks.style = {
8135         get: function( elem ) {
8136             // Return undefined in the case of empty string
8137             // Note: IE uppercases css property names, but if we were to .toLowerCase()
8138             // .cssText, that would destroy case senstitivity in URL's, like in "background"
8139             return elem.style.cssText || undefined;
8140         },
8141         set: function( elem, value ) {
8142             return ( elem.style.cssText = value + "" );
8143         }
8144     };
8145 }
8146 
8147 
8148 
8149 
8150 var rfocusable = /^(?:input|select|textarea|button|object)$/i,
8151     rclickable = /^(?:a|area)$/i;
8152 
8153 jQuery.fn.extend({
8154     prop: function( name, value ) {
8155         return access( this, jQuery.prop, name, value, arguments.length > 1 );
8156     },
8157 
8158     removeProp: function( name ) {
8159         name = jQuery.propFix[ name ] || name;
8160         return this.each(function() {
8161             // try/catch handles cases where IE balks (such as removing a property on window)
8162             try {
8163                 this[ name ] = undefined;
8164                 delete this[ name ];
8165             } catch( e ) {}
8166         });
8167     }
8168 });
8169 
8170 jQuery.extend({
8171     propFix: {
8172         "for": "htmlFor",
8173         "class": "className"
8174     },
8175 
8176     prop: function( elem, name, value ) {
8177         var ret, hooks, notxml,
8178             nType = elem.nodeType;
8179 
8180         // don't get/set properties on text, comment and attribute nodes
8181         if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
8182             return;
8183         }
8184 
8185         notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
8186 
8187         if ( notxml ) {
8188             // Fix name and attach hooks
8189             name = jQuery.propFix[ name ] || name;
8190             hooks = jQuery.propHooks[ name ];
8191         }
8192 
8193         if ( value !== undefined ) {
8194             return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
8195                 ret :
8196                 ( elem[ name ] = value );
8197 
8198         } else {
8199             return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
8200                 ret :
8201                 elem[ name ];
8202         }
8203     },
8204 
8205     propHooks: {
8206         tabIndex: {
8207             get: function( elem ) {
8208                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
8209                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
8210                 // Use proper attribute retrieval(#12072)
8211                 var tabindex = jQuery.find.attr( elem, "tabindex" );
8212 
8213                 return tabindex ?
8214                     parseInt( tabindex, 10 ) :
8215                     rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
8216                         0 :
8217                         -1;
8218             }
8219         }
8220     }
8221 });
8222 
8223 // Some attributes require a special call on IE
8224 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
8225 if ( !support.hrefNormalized ) {
8226     // href/src property should get the full normalized URL (#10299/#12915)
8227     jQuery.each([ "href", "src" ], function( i, name ) {
8228         jQuery.propHooks[ name ] = {
8229             get: function( elem ) {
8230                 return elem.getAttribute( name, 4 );
8231             }
8232         };
8233     });
8234 }
8235 
8236 // Support: Safari, IE9+
8237 // mis-reports the default selected property of an option
8238 // Accessing the parent's selectedIndex property fixes it
8239 if ( !support.optSelected ) {
8240     jQuery.propHooks.selected = {
8241         get: function( elem ) {
8242             var parent = elem.parentNode;
8243 
8244             if ( parent ) {
8245                 parent.selectedIndex;
8246 
8247                 // Make sure that it also works with optgroups, see #5701
8248                 if ( parent.parentNode ) {
8249                     parent.parentNode.selectedIndex;
8250                 }
8251             }
8252             return null;
8253         }
8254     };
8255 }
8256 
8257 jQuery.each([
8258     "tabIndex",
8259     "readOnly",
8260     "maxLength",
8261     "cellSpacing",
8262     "cellPadding",
8263     "rowSpan",
8264     "colSpan",
8265     "useMap",
8266     "frameBorder",
8267     "contentEditable"
8268 ], function() {
8269     jQuery.propFix[ this.toLowerCase() ] = this;
8270 });
8271 
8272 // IE6/7 call enctype encoding
8273 if ( !support.enctype ) {
8274     jQuery.propFix.enctype = "encoding";
8275 }
8276 
8277 
8278 
8279 
8280 var rclass = /[\t\r\n\f]/g;
8281 
8282 jQuery.fn.extend({
8283     addClass: function( value ) {
8284         var classes, elem, cur, clazz, j, finalValue,
8285             i = 0,
8286             len = this.length,
8287             proceed = typeof value === "string" && value;
8288 
8289         if ( jQuery.isFunction( value ) ) {
8290             return this.each(function( j ) {
8291                 jQuery( this ).addClass( value.call( this, j, this.className ) );
8292             });
8293         }
8294 
8295         if ( proceed ) {
8296             // The disjunction here is for better compressibility (see removeClass)
8297             classes = ( value || "" ).match( rnotwhite ) || [];
8298 
8299             for ( ; i < len; i++ ) {
8300                 elem = this[ i ];
8301                 cur = elem.nodeType === 1 && ( elem.className ?
8302                     ( " " + elem.className + " " ).replace( rclass, " " ) :
8303                     " "
8304                 );
8305 
8306                 if ( cur ) {
8307                     j = 0;
8308                     while ( (clazz = classes[j++]) ) {
8309                         if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
8310                             cur += clazz + " ";
8311                         }
8312                     }
8313 
8314                     // only assign if different to avoid unneeded rendering.
8315                     finalValue = jQuery.trim( cur );
8316                     if ( elem.className !== finalValue ) {
8317                         elem.className = finalValue;
8318                     }
8319                 }
8320             }
8321         }
8322 
8323         return this;
8324     },
8325 
8326     removeClass: function( value ) {
8327         var classes, elem, cur, clazz, j, finalValue,
8328             i = 0,
8329             len = this.length,
8330             proceed = arguments.length === 0 || typeof value === "string" && value;
8331 
8332         if ( jQuery.isFunction( value ) ) {
8333             return this.each(function( j ) {
8334                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
8335             });
8336         }
8337         if ( proceed ) {
8338             classes = ( value || "" ).match( rnotwhite ) || [];
8339 
8340             for ( ; i < len; i++ ) {
8341                 elem = this[ i ];
8342                 // This expression is here for better compressibility (see addClass)
8343                 cur = elem.nodeType === 1 && ( elem.className ?
8344                     ( " " + elem.className + " " ).replace( rclass, " " ) :
8345                     ""
8346                 );
8347 
8348                 if ( cur ) {
8349                     j = 0;
8350                     while ( (clazz = classes[j++]) ) {
8351                         // Remove *all* instances
8352                         while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
8353                             cur = cur.replace( " " + clazz + " ", " " );
8354                         }
8355                     }
8356 
8357                     // only assign if different to avoid unneeded rendering.
8358                     finalValue = value ? jQuery.trim( cur ) : "";
8359                     if ( elem.className !== finalValue ) {
8360                         elem.className = finalValue;
8361                     }
8362                 }
8363             }
8364         }
8365 
8366         return this;
8367     },
8368 
8369     toggleClass: function( value, stateVal ) {
8370         var type = typeof value;
8371 
8372         if ( typeof stateVal === "boolean" && type === "string" ) {
8373             return stateVal ? this.addClass( value ) : this.removeClass( value );
8374         }
8375 
8376         if ( jQuery.isFunction( value ) ) {
8377             return this.each(function( i ) {
8378                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
8379             });
8380         }
8381 
8382         return this.each(function() {
8383             if ( type === "string" ) {
8384                 // toggle individual class names
8385                 var className,
8386                     i = 0,
8387                     self = jQuery( this ),
8388                     classNames = value.match( rnotwhite ) || [];
8389 
8390                 while ( (className = classNames[ i++ ]) ) {
8391                     // check each className given, space separated list
8392                     if ( self.hasClass( className ) ) {
8393                         self.removeClass( className );
8394                     } else {
8395                         self.addClass( className );
8396                     }
8397                 }
8398 
8399             // Toggle whole class name
8400             } else if ( type === strundefined || type === "boolean" ) {
8401                 if ( this.className ) {
8402                     // store className if set
8403                     jQuery._data( this, "__className__", this.className );
8404                 }
8405 
8406                 // If the element has a class name or if we're passed "false",
8407                 // then remove the whole classname (if there was one, the above saved it).
8408                 // Otherwise bring back whatever was previously saved (if anything),
8409                 // falling back to the empty string if nothing was stored.
8410                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
8411             }
8412         });
8413     },
8414 
8415     hasClass: function( selector ) {
8416         var className = " " + selector + " ",
8417             i = 0,
8418             l = this.length;
8419         for ( ; i < l; i++ ) {
8420             if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
8421                 return true;
8422             }
8423         }
8424 
8425         return false;
8426     }
8427 });
8428 
8429 
8430 
8431 
8432 // Return jQuery for attributes-only inclusion
8433 
8434 
8435 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
8436     "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8437     "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
8438 
8439     // Handle event binding
8440     jQuery.fn[ name ] = function( data, fn ) {
8441         return arguments.length > 0 ?
8442             this.on( name, null, data, fn ) :
8443             this.trigger( name );
8444     };
8445 });
8446 
8447 jQuery.fn.extend({
8448     hover: function( fnOver, fnOut ) {
8449         return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8450     },
8451 
8452     bind: function( types, data, fn ) {
8453         return this.on( types, null, data, fn );
8454     },
8455     unbind: function( types, fn ) {
8456         return this.off( types, null, fn );
8457     },
8458 
8459     delegate: function( selector, types, data, fn ) {
8460         return this.on( types, selector, data, fn );
8461     },
8462     undelegate: function( selector, types, fn ) {
8463         // ( namespace ) or ( selector, types [, fn] )
8464         return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
8465     }
8466 });
8467 
8468 
8469 var nonce = jQuery.now();
8470 
8471 var rquery = (/\?/);
8472 
8473 
8474 
8475 var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
8476 
8477 jQuery.parseJSON = function( data ) {
8478     // Attempt to parse using the native JSON parser first
8479     if ( window.JSON && window.JSON.parse ) {
8480         // Support: Android 2.3
8481         // Workaround failure to string-cast null input
8482         return window.JSON.parse( data + "" );
8483     }
8484 
8485     var requireNonComma,
8486         depth = null,
8487         str = jQuery.trim( data + "" );
8488 
8489     // Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
8490     // after removing valid tokens
8491     return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
8492 
8493         // Force termination if we see a misplaced comma
8494         if ( requireNonComma && comma ) {
8495             depth = 0;
8496         }
8497 
8498         // Perform no more replacements after returning to outermost depth
8499         if ( depth === 0 ) {
8500             return token;
8501         }
8502 
8503         // Commas must not follow "[", "{", or ","
8504         requireNonComma = open || comma;
8505 
8506         // Determine new depth
8507         // array/object open ("[" or "{"): depth += true - false (increment)
8508         // array/object close ("]" or "}"): depth += false - true (decrement)
8509         // other cases ("," or primitive): depth += true - true (numeric cast)
8510         depth += !close - !open;
8511 
8512         // Remove this token
8513         return "";
8514     }) ) ?
8515         ( Function( "return " + str ) )() :
8516         jQuery.error( "Invalid JSON: " + data );
8517 };
8518 
8519 
8520 // Cross-browser xml parsing
8521 jQuery.parseXML = function( data ) {
8522     var xml, tmp;
8523     if ( !data || typeof data !== "string" ) {
8524         return null;
8525     }
8526     try {
8527         if ( window.DOMParser ) { // Standard
8528             tmp = new DOMParser();
8529             xml = tmp.parseFromString( data, "text/xml" );
8530         } else { // IE
8531             xml = new ActiveXObject( "Microsoft.XMLDOM" );
8532             xml.async = "false";
8533             xml.loadXML( data );
8534         }
8535     } catch( e ) {
8536         xml = undefined;
8537     }
8538     if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
8539         jQuery.error( "Invalid XML: " + data );
8540     }
8541     return xml;
8542 };
8543 
8544 
8545 var
8546     // Document location
8547     ajaxLocParts,
8548     ajaxLocation,
8549 
8550     rhash = /#.*$/,
8551     rts = /([?&])_=[^&]*/,
8552     rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
8553     // #7653, #8125, #8152: local protocol detection
8554     rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
8555     rnoContent = /^(?:GET|HEAD)$/,
8556     rprotocol = /^\/\//,
8557     rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
8558 
8559     /* Prefilters
8560      * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
8561      * 2) These are called:
8562      *    - BEFORE asking for a transport
8563      *    - AFTER param serialization (s.data is a string if s.processData is true)
8564      * 3) key is the dataType
8565      * 4) the catchall symbol "*" can be used
8566      * 5) execution will start with transport dataType and THEN continue down to "*" if needed
8567      */
8568     prefilters = {},
8569 
8570     /* Transports bindings
8571      * 1) key is the dataType
8572      * 2) the catchall symbol "*" can be used
8573      * 3) selection will start with transport dataType and THEN go to "*" if needed
8574      */
8575     transports = {},
8576 
8577     // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
8578     allTypes = "*/".concat("*");
8579 
8580 // #8138, IE may throw an exception when accessing
8581 // a field from window.location if document.domain has been set
8582 try {
8583     ajaxLocation = location.href;
8584 } catch( e ) {
8585     // Use the href attribute of an A element
8586     // since IE will modify it given document.location
8587     ajaxLocation = document.createElement( "a" );
8588     ajaxLocation.href = "";
8589     ajaxLocation = ajaxLocation.href;
8590 }
8591 
8592 // Segment location into parts
8593 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
8594 
8595 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
8596 function addToPrefiltersOrTransports( structure ) {
8597 
8598     // dataTypeExpression is optional and defaults to "*"
8599     return function( dataTypeExpression, func ) {
8600 
8601         if ( typeof dataTypeExpression !== "string" ) {
8602             func = dataTypeExpression;
8603             dataTypeExpression = "*";
8604         }
8605 
8606         var dataType,
8607             i = 0,
8608             dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
8609 
8610         if ( jQuery.isFunction( func ) ) {
8611             // For each dataType in the dataTypeExpression
8612             while ( (dataType = dataTypes[i++]) ) {
8613                 // Prepend if requested
8614                 if ( dataType.charAt( 0 ) === "+" ) {
8615                     dataType = dataType.slice( 1 ) || "*";
8616                     (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
8617 
8618                 // Otherwise append
8619                 } else {
8620                     (structure[ dataType ] = structure[ dataType ] || []).push( func );
8621                 }
8622             }
8623         }
8624     };
8625 }
8626 
8627 // Base inspection function for prefilters and transports
8628 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
8629 
8630     var inspected = {},
8631         seekingTransport = ( structure === transports );
8632 
8633     function inspect( dataType ) {
8634         var selected;
8635         inspected[ dataType ] = true;
8636         jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
8637             var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
8638             if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
8639                 options.dataTypes.unshift( dataTypeOrTransport );
8640                 inspect( dataTypeOrTransport );
8641                 return false;
8642             } else if ( seekingTransport ) {
8643                 return !( selected = dataTypeOrTransport );
8644             }
8645         });
8646         return selected;
8647     }
8648 
8649     return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
8650 }
8651 
8652 // A special extend for ajax options
8653 // that takes "flat" options (not to be deep extended)
8654 // Fixes #9887
8655 function ajaxExtend( target, src ) {
8656     var deep, key,
8657         flatOptions = jQuery.ajaxSettings.flatOptions || {};
8658 
8659     for ( key in src ) {
8660         if ( src[ key ] !== undefined ) {
8661             ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
8662         }
8663     }
8664     if ( deep ) {
8665         jQuery.extend( true, target, deep );
8666     }
8667 
8668     return target;
8669 }
8670 
8671 /* Handles responses to an ajax request:
8672  * - finds the right dataType (mediates between content-type and expected dataType)
8673  * - returns the corresponding response
8674  */
8675 function ajaxHandleResponses( s, jqXHR, responses ) {
8676     var firstDataType, ct, finalDataType, type,
8677         contents = s.contents,
8678         dataTypes = s.dataTypes;
8679 
8680     // Remove auto dataType and get content-type in the process
8681     while ( dataTypes[ 0 ] === "*" ) {
8682         dataTypes.shift();
8683         if ( ct === undefined ) {
8684             ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8685         }
8686     }
8687 
8688     // Check if we're dealing with a known content-type
8689     if ( ct ) {
8690         for ( type in contents ) {
8691             if ( contents[ type ] && contents[ type ].test( ct ) ) {
8692                 dataTypes.unshift( type );
8693                 break;
8694             }
8695         }
8696     }
8697 
8698     // Check to see if we have a response for the expected dataType
8699     if ( dataTypes[ 0 ] in responses ) {
8700         finalDataType = dataTypes[ 0 ];
8701     } else {
8702         // Try convertible dataTypes
8703         for ( type in responses ) {
8704             if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8705                 finalDataType = type;
8706                 break;
8707             }
8708             if ( !firstDataType ) {
8709                 firstDataType = type;
8710             }
8711         }
8712         // Or just use first one
8713         finalDataType = finalDataType || firstDataType;
8714     }
8715 
8716     // If we found a dataType
8717     // We add the dataType to the list if needed
8718     // and return the corresponding response
8719     if ( finalDataType ) {
8720         if ( finalDataType !== dataTypes[ 0 ] ) {
8721             dataTypes.unshift( finalDataType );
8722         }
8723         return responses[ finalDataType ];
8724     }
8725 }
8726 
8727 /* Chain conversions given the request and the original response
8728  * Also sets the responseXXX fields on the jqXHR instance
8729  */
8730 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8731     var conv2, current, conv, tmp, prev,
8732         converters = {},
8733         // Work with a copy of dataTypes in case we need to modify it for conversion
8734         dataTypes = s.dataTypes.slice();
8735 
8736     // Create converters map with lowercased keys
8737     if ( dataTypes[ 1 ] ) {
8738         for ( conv in s.converters ) {
8739             converters[ conv.toLowerCase() ] = s.converters[ conv ];
8740         }
8741     }
8742 
8743     current = dataTypes.shift();
8744 
8745     // Convert to each sequential dataType
8746     while ( current ) {
8747 
8748         if ( s.responseFields[ current ] ) {
8749             jqXHR[ s.responseFields[ current ] ] = response;
8750         }
8751 
8752         // Apply the dataFilter if provided
8753         if ( !prev && isSuccess && s.dataFilter ) {
8754             response = s.dataFilter( response, s.dataType );
8755         }
8756 
8757         prev = current;
8758         current = dataTypes.shift();
8759 
8760         if ( current ) {
8761 
8762             // There's only work to do if current dataType is non-auto
8763             if ( current === "*" ) {
8764 
8765                 current = prev;
8766 
8767             // Convert response if prev dataType is non-auto and differs from current
8768             } else if ( prev !== "*" && prev !== current ) {
8769 
8770                 // Seek a direct converter
8771                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8772 
8773                 // If none found, seek a pair
8774                 if ( !conv ) {
8775                     for ( conv2 in converters ) {
8776 
8777                         // If conv2 outputs current
8778                         tmp = conv2.split( " " );
8779                         if ( tmp[ 1 ] === current ) {
8780 
8781                             // If prev can be converted to accepted input
8782                             conv = converters[ prev + " " + tmp[ 0 ] ] ||
8783                                 converters[ "* " + tmp[ 0 ] ];
8784                             if ( conv ) {
8785                                 // Condense equivalence converters
8786                                 if ( conv === true ) {
8787                                     conv = converters[ conv2 ];
8788 
8789                                 // Otherwise, insert the intermediate dataType
8790                                 } else if ( converters[ conv2 ] !== true ) {
8791                                     current = tmp[ 0 ];
8792                                     dataTypes.unshift( tmp[ 1 ] );
8793                                 }
8794                                 break;
8795                             }
8796                         }
8797                     }
8798                 }
8799 
8800                 // Apply converter (if not an equivalence)
8801                 if ( conv !== true ) {
8802 
8803                     // Unless errors are allowed to bubble, catch and return them
8804                     if ( conv && s[ "throws" ] ) {
8805                         response = conv( response );
8806                     } else {
8807                         try {
8808                             response = conv( response );
8809                         } catch ( e ) {
8810                             return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8811                         }
8812                     }
8813                 }
8814             }
8815         }
8816     }
8817 
8818     return { state: "success", data: response };
8819 }
8820 
8821 jQuery.extend({
8822 
8823     // Counter for holding the number of active queries
8824     active: 0,
8825 
8826     // Last-Modified header cache for next request
8827     lastModified: {},
8828     etag: {},
8829 
8830     ajaxSettings: {
8831         url: ajaxLocation,
8832         type: "GET",
8833         isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
8834         global: true,
8835         processData: true,
8836         async: true,
8837         contentType: "application/x-www-form-urlencoded; charset=UTF-8",
8838         /*
8839         timeout: 0,
8840         data: null,
8841         dataType: null,
8842         username: null,
8843         password: null,
8844         cache: null,
8845         throws: false,
8846         traditional: false,
8847         headers: {},
8848         */
8849 
8850         accepts: {
8851             "*": allTypes,
8852             text: "text/plain",
8853             html: "text/html",
8854             xml: "application/xml, text/xml",
8855             json: "application/json, text/javascript"
8856         },
8857 
8858         contents: {
8859             xml: /xml/,
8860             html: /html/,
8861             json: /json/
8862         },
8863 
8864         responseFields: {
8865             xml: "responseXML",
8866             text: "responseText",
8867             json: "responseJSON"
8868         },
8869 
8870         // Data converters
8871         // Keys separate source (or catchall "*") and destination types with a single space
8872         converters: {
8873 
8874             // Convert anything to text
8875             "* text": String,
8876 
8877             // Text to html (true = no transformation)
8878             "text html": true,
8879 
8880             // Evaluate text as a json expression
8881             "text json": jQuery.parseJSON,
8882 
8883             // Parse text as xml
8884             "text xml": jQuery.parseXML
8885         },
8886 
8887         // For options that shouldn't be deep extended:
8888         // you can add your own custom options here if
8889         // and when you create one that shouldn't be
8890         // deep extended (see ajaxExtend)
8891         flatOptions: {
8892             url: true,
8893             context: true
8894         }
8895     },
8896 
8897     // Creates a full fledged settings object into target
8898     // with both ajaxSettings and settings fields.
8899     // If target is omitted, writes into ajaxSettings.
8900     ajaxSetup: function( target, settings ) {
8901         return settings ?
8902 
8903             // Building a settings object
8904             ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
8905 
8906             // Extending ajaxSettings
8907             ajaxExtend( jQuery.ajaxSettings, target );
8908     },
8909 
8910     ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
8911     ajaxTransport: addToPrefiltersOrTransports( transports ),
8912 
8913     // Main method
8914     ajax: function( url, options ) {
8915 
8916         // If url is an object, simulate pre-1.5 signature
8917         if ( typeof url === "object" ) {
8918             options = url;
8919             url = undefined;
8920         }
8921 
8922         // Force options to be an object
8923         options = options || {};
8924 
8925         var // Cross-domain detection vars
8926             parts,
8927             // Loop variable
8928             i,
8929             // URL without anti-cache param
8930             cacheURL,
8931             // Response headers as string
8932             responseHeadersString,
8933             // timeout handle
8934             timeoutTimer,
8935 
8936             // To know if global events are to be dispatched
8937             fireGlobals,
8938 
8939             transport,
8940             // Response headers
8941             responseHeaders,
8942             // Create the final options object
8943             s = jQuery.ajaxSetup( {}, options ),
8944             // Callbacks context
8945             callbackContext = s.context || s,
8946             // Context for global events is callbackContext if it is a DOM node or jQuery collection
8947             globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
8948                 jQuery( callbackContext ) :
8949                 jQuery.event,
8950             // Deferreds
8951             deferred = jQuery.Deferred(),
8952             completeDeferred = jQuery.Callbacks("once memory"),
8953             // Status-dependent callbacks
8954             statusCode = s.statusCode || {},
8955             // Headers (they are sent all at once)
8956             requestHeaders = {},
8957             requestHeadersNames = {},
8958             // The jqXHR state
8959             state = 0,
8960             // Default abort message
8961             strAbort = "canceled",
8962             // Fake xhr
8963             jqXHR = {
8964                 readyState: 0,
8965 
8966                 // Builds headers hashtable if needed
8967                 getResponseHeader: function( key ) {
8968                     var match;
8969                     if ( state === 2 ) {
8970                         if ( !responseHeaders ) {
8971                             responseHeaders = {};
8972                             while ( (match = rheaders.exec( responseHeadersString )) ) {
8973                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
8974                             }
8975                         }
8976                         match = responseHeaders[ key.toLowerCase() ];
8977                     }
8978                     return match == null ? null : match;
8979                 },
8980 
8981                 // Raw string
8982                 getAllResponseHeaders: function() {
8983                     return state === 2 ? responseHeadersString : null;
8984                 },
8985 
8986                 // Caches the header
8987                 setRequestHeader: function( name, value ) {
8988                     var lname = name.toLowerCase();
8989                     if ( !state ) {
8990                         name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
8991                         requestHeaders[ name ] = value;
8992                     }
8993                     return this;
8994                 },
8995 
8996                 // Overrides response content-type header
8997                 overrideMimeType: function( type ) {
8998                     if ( !state ) {
8999                         s.mimeType = type;
9000                     }
9001                     return this;
9002                 },
9003 
9004                 // Status-dependent callbacks
9005                 statusCode: function( map ) {
9006                     var code;
9007                     if ( map ) {
9008                         if ( state < 2 ) {
9009                             for ( code in map ) {
9010                                 // Lazy-add the new callback in a way that preserves old ones
9011                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
9012                             }
9013                         } else {
9014                             // Execute the appropriate callbacks
9015                             jqXHR.always( map[ jqXHR.status ] );
9016                         }
9017                     }
9018                     return this;
9019                 },
9020 
9021                 // Cancel the request
9022                 abort: function( statusText ) {
9023                     var finalText = statusText || strAbort;
9024                     if ( transport ) {
9025                         transport.abort( finalText );
9026                     }
9027                     done( 0, finalText );
9028                     return this;
9029                 }
9030             };
9031 
9032         // Attach deferreds
9033         deferred.promise( jqXHR ).complete = completeDeferred.add;
9034         jqXHR.success = jqXHR.done;
9035         jqXHR.error = jqXHR.fail;
9036 
9037         // Remove hash character (#7531: and string promotion)
9038         // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
9039         // Handle falsy url in the settings object (#10093: consistency with old signature)
9040         // We also use the url parameter if available
9041         s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
9042 
9043         // Alias method option to type as per ticket #12004
9044         s.type = options.method || options.type || s.method || s.type;
9045 
9046         // Extract dataTypes list
9047         s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
9048 
9049         // A cross-domain request is in order when we have a protocol:host:port mismatch
9050         if ( s.crossDomain == null ) {
9051             parts = rurl.exec( s.url.toLowerCase() );
9052             s.crossDomain = !!( parts &&
9053                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
9054                     ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
9055                         ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
9056             );
9057         }
9058 
9059         // Convert data if not already a string
9060         if ( s.data && s.processData && typeof s.data !== "string" ) {
9061             s.data = jQuery.param( s.data, s.traditional );
9062         }
9063 
9064         // Apply prefilters
9065         inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
9066 
9067         // If request was aborted inside a prefilter, stop there
9068         if ( state === 2 ) {
9069             return jqXHR;
9070         }
9071 
9072         // We can fire global events as of now if asked to
9073         fireGlobals = s.global;
9074 
9075         // Watch for a new set of requests
9076         if ( fireGlobals && jQuery.active++ === 0 ) {
9077             jQuery.event.trigger("ajaxStart");
9078         }
9079 
9080         // Uppercase the type
9081         s.type = s.type.toUpperCase();
9082 
9083         // Determine if request has content
9084         s.hasContent = !rnoContent.test( s.type );
9085 
9086         // Save the URL in case we're toying with the If-Modified-Since
9087         // and/or If-None-Match header later on
9088         cacheURL = s.url;
9089 
9090         // More options handling for requests with no content
9091         if ( !s.hasContent ) {
9092 
9093             // If data is available, append data to url
9094             if ( s.data ) {
9095                 cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
9096                 // #9682: remove data so that it's not used in an eventual retry
9097                 delete s.data;
9098             }
9099 
9100             // Add anti-cache in url if needed
9101             if ( s.cache === false ) {
9102                 s.url = rts.test( cacheURL ) ?
9103 
9104                     // If there is already a '_' parameter, set its value
9105                     cacheURL.replace( rts, "$1_=" + nonce++ ) :
9106 
9107                     // Otherwise add one to the end
9108                     cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
9109             }
9110         }
9111 
9112         // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9113         if ( s.ifModified ) {
9114             if ( jQuery.lastModified[ cacheURL ] ) {
9115                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
9116             }
9117             if ( jQuery.etag[ cacheURL ] ) {
9118                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
9119             }
9120         }
9121 
9122         // Set the correct header, if data is being sent
9123         if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
9124             jqXHR.setRequestHeader( "Content-Type", s.contentType );
9125         }
9126 
9127         // Set the Accepts header for the server, depending on the dataType
9128         jqXHR.setRequestHeader(
9129             "Accept",
9130             s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
9131                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
9132                 s.accepts[ "*" ]
9133         );
9134 
9135         // Check for headers option
9136         for ( i in s.headers ) {
9137             jqXHR.setRequestHeader( i, s.headers[ i ] );
9138         }
9139 
9140         // Allow custom headers/mimetypes and early abort
9141         if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
9142             // Abort if not done already and return
9143             return jqXHR.abort();
9144         }
9145 
9146         // aborting is no longer a cancellation
9147         strAbort = "abort";
9148 
9149         // Install callbacks on deferreds
9150         for ( i in { success: 1, error: 1, complete: 1 } ) {
9151             jqXHR[ i ]( s[ i ] );
9152         }
9153 
9154         // Get transport
9155         transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
9156 
9157         // If no transport, we auto-abort
9158         if ( !transport ) {
9159             done( -1, "No Transport" );
9160         } else {
9161             jqXHR.readyState = 1;
9162 
9163             // Send global event
9164             if ( fireGlobals ) {
9165                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
9166             }
9167             // Timeout
9168             if ( s.async && s.timeout > 0 ) {
9169                 timeoutTimer = setTimeout(function() {
9170                     jqXHR.abort("timeout");
9171                 }, s.timeout );
9172             }
9173 
9174             try {
9175                 state = 1;
9176                 transport.send( requestHeaders, done );
9177             } catch ( e ) {
9178                 // Propagate exception as error if not done
9179                 if ( state < 2 ) {
9180                     done( -1, e );
9181                 // Simply rethrow otherwise
9182                 } else {
9183                     throw e;
9184                 }
9185             }
9186         }
9187 
9188         // Callback for when everything is done
9189         function done( status, nativeStatusText, responses, headers ) {
9190             var isSuccess, success, error, response, modified,
9191                 statusText = nativeStatusText;
9192 
9193             // Called once
9194             if ( state === 2 ) {
9195                 return;
9196             }
9197 
9198             // State is "done" now
9199             state = 2;
9200 
9201             // Clear timeout if it exists
9202             if ( timeoutTimer ) {
9203                 clearTimeout( timeoutTimer );
9204             }
9205 
9206             // Dereference transport for early garbage collection
9207             // (no matter how long the jqXHR object will be used)
9208             transport = undefined;
9209 
9210             // Cache response headers
9211             responseHeadersString = headers || "";
9212 
9213             // Set readyState
9214             jqXHR.readyState = status > 0 ? 4 : 0;
9215 
9216             // Determine if successful
9217             isSuccess = status >= 200 && status < 300 || status === 304;
9218 
9219             // Get response data
9220             if ( responses ) {
9221                 response = ajaxHandleResponses( s, jqXHR, responses );
9222             }
9223 
9224             // Convert no matter what (that way responseXXX fields are always set)
9225             response = ajaxConvert( s, response, jqXHR, isSuccess );
9226 
9227             // If successful, handle type chaining
9228             if ( isSuccess ) {
9229 
9230                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
9231                 if ( s.ifModified ) {
9232                     modified = jqXHR.getResponseHeader("Last-Modified");
9233                     if ( modified ) {
9234                         jQuery.lastModified[ cacheURL ] = modified;
9235                     }
9236                     modified = jqXHR.getResponseHeader("etag");
9237                     if ( modified ) {
9238                         jQuery.etag[ cacheURL ] = modified;
9239                     }
9240                 }
9241 
9242                 // if no content
9243                 if ( status === 204 || s.type === "HEAD" ) {
9244                     statusText = "nocontent";
9245 
9246                 // if not modified
9247                 } else if ( status === 304 ) {
9248                     statusText = "notmodified";
9249 
9250                 // If we have data, let's convert it
9251                 } else {
9252                     statusText = response.state;
9253                     success = response.data;
9254                     error = response.error;
9255                     isSuccess = !error;
9256                 }
9257             } else {
9258                 // We extract error from statusText
9259                 // then normalize statusText and status for non-aborts
9260                 error = statusText;
9261                 if ( status || !statusText ) {
9262                     statusText = "error";
9263                     if ( status < 0 ) {
9264                         status = 0;
9265                     }
9266                 }
9267             }
9268 
9269             // Set data for the fake xhr object
9270             jqXHR.status = status;
9271             jqXHR.statusText = ( nativeStatusText || statusText ) + "";
9272 
9273             // Success/Error
9274             if ( isSuccess ) {
9275                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
9276             } else {
9277                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
9278             }
9279 
9280             // Status-dependent callbacks
9281             jqXHR.statusCode( statusCode );
9282             statusCode = undefined;
9283 
9284             if ( fireGlobals ) {
9285                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
9286                     [ jqXHR, s, isSuccess ? success : error ] );
9287             }
9288 
9289             // Complete
9290             completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
9291 
9292             if ( fireGlobals ) {
9293                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
9294                 // Handle the global AJAX counter
9295                 if ( !( --jQuery.active ) ) {
9296                     jQuery.event.trigger("ajaxStop");
9297                 }
9298             }
9299         }
9300 
9301         return jqXHR;
9302     },
9303 
9304     getJSON: function( url, data, callback ) {
9305         return jQuery.get( url, data, callback, "json" );
9306     },
9307 
9308     getScript: function( url, callback ) {
9309         return jQuery.get( url, undefined, callback, "script" );
9310     }
9311 });
9312 
9313 jQuery.each( [ "get", "post" ], function( i, method ) {
9314     jQuery[ method ] = function( url, data, callback, type ) {
9315         // shift arguments if data argument was omitted
9316         if ( jQuery.isFunction( data ) ) {
9317             type = type || callback;
9318             callback = data;
9319             data = undefined;
9320         }
9321 
9322         return jQuery.ajax({
9323             url: url,
9324             type: method,
9325             dataType: type,
9326             data: data,
9327             success: callback
9328         });
9329     };
9330 });
9331 
9332 // Attach a bunch of functions for handling common AJAX events
9333 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
9334     jQuery.fn[ type ] = function( fn ) {
9335         return this.on( type, fn );
9336     };
9337 });
9338 
9339 
9340 jQuery._evalUrl = function( url ) {
9341     return jQuery.ajax({
9342         url: url,
9343         type: "GET",
9344         dataType: "script",
9345         async: false,
9346         global: false,
9347         "throws": true
9348     });
9349 };
9350 
9351 
9352 jQuery.fn.extend({
9353     wrapAll: function( html ) {
9354         if ( jQuery.isFunction( html ) ) {
9355             return this.each(function(i) {
9356                 jQuery(this).wrapAll( html.call(this, i) );
9357             });
9358         }
9359 
9360         if ( this[0] ) {
9361             // The elements to wrap the target around
9362             var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
9363 
9364             if ( this[0].parentNode ) {
9365                 wrap.insertBefore( this[0] );
9366             }
9367 
9368             wrap.map(function() {
9369                 var elem = this;
9370 
9371                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
9372                     elem = elem.firstChild;
9373                 }
9374 
9375                 return elem;
9376             }).append( this );
9377         }
9378 
9379         return this;
9380     },
9381 
9382     wrapInner: function( html ) {
9383         if ( jQuery.isFunction( html ) ) {
9384             return this.each(function(i) {
9385                 jQuery(this).wrapInner( html.call(this, i) );
9386             });
9387         }
9388 
9389         return this.each(function() {
9390             var self = jQuery( this ),
9391                 contents = self.contents();
9392 
9393             if ( contents.length ) {
9394                 contents.wrapAll( html );
9395 
9396             } else {
9397                 self.append( html );
9398             }
9399         });
9400     },
9401 
9402     wrap: function( html ) {
9403         var isFunction = jQuery.isFunction( html );
9404 
9405         return this.each(function(i) {
9406             jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
9407         });
9408     },
9409 
9410     unwrap: function() {
9411         return this.parent().each(function() {
9412             if ( !jQuery.nodeName( this, "body" ) ) {
9413                 jQuery( this ).replaceWith( this.childNodes );
9414             }
9415         }).end();
9416     }
9417 });
9418 
9419 
9420 jQuery.expr.filters.hidden = function( elem ) {
9421     // Support: Opera <= 12.12
9422     // Opera reports offsetWidths and offsetHeights less than zero on some elements
9423     return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
9424         (!support.reliableHiddenOffsets() &&
9425             ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
9426 };
9427 
9428 jQuery.expr.filters.visible = function( elem ) {
9429     return !jQuery.expr.filters.hidden( elem );
9430 };
9431 
9432 
9433 
9434 
9435 var r20 = /%20/g,
9436     rbracket = /\[\]$/,
9437     rCRLF = /\r?\n/g,
9438     rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
9439     rsubmittable = /^(?:input|select|textarea|keygen)/i;
9440 
9441 function buildParams( prefix, obj, traditional, add ) {
9442     var name;
9443 
9444     if ( jQuery.isArray( obj ) ) {
9445         // Serialize array item.
9446         jQuery.each( obj, function( i, v ) {
9447             if ( traditional || rbracket.test( prefix ) ) {
9448                 // Treat each array item as a scalar.
9449                 add( prefix, v );
9450 
9451             } else {
9452                 // Item is non-scalar (array or object), encode its numeric index.
9453                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
9454             }
9455         });
9456 
9457     } else if ( !traditional && jQuery.type( obj ) === "object" ) {
9458         // Serialize object item.
9459         for ( name in obj ) {
9460             buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
9461         }
9462 
9463     } else {
9464         // Serialize scalar item.
9465         add( prefix, obj );
9466     }
9467 }
9468 
9469 // Serialize an array of form elements or a set of
9470 // key/values into a query string
9471 jQuery.param = function( a, traditional ) {
9472     var prefix,
9473         s = [],
9474         add = function( key, value ) {
9475             // If value is a function, invoke it and return its value
9476             value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
9477             s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
9478         };
9479 
9480     // Set traditional to true for jQuery <= 1.3.2 behavior.
9481     if ( traditional === undefined ) {
9482         traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
9483     }
9484 
9485     // If an array was passed in, assume that it is an array of form elements.
9486     if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
9487         // Serialize the form elements
9488         jQuery.each( a, function() {
9489             add( this.name, this.value );
9490         });
9491 
9492     } else {
9493         // If traditional, encode the "old" way (the way 1.3.2 or older
9494         // did it), otherwise encode params recursively.
9495         for ( prefix in a ) {
9496             buildParams( prefix, a[ prefix ], traditional, add );
9497         }
9498     }
9499 
9500     // Return the resulting serialization
9501     return s.join( "&" ).replace( r20, "+" );
9502 };
9503 
9504 jQuery.fn.extend({
9505     serialize: function() {
9506         return jQuery.param( this.serializeArray() );
9507     },
9508     serializeArray: function() {
9509         return this.map(function() {
9510             // Can add propHook for "elements" to filter or add form elements
9511             var elements = jQuery.prop( this, "elements" );
9512             return elements ? jQuery.makeArray( elements ) : this;
9513         })
9514         .filter(function() {
9515             var type = this.type;
9516             // Use .is(":disabled") so that fieldset[disabled] works
9517             return this.name && !jQuery( this ).is( ":disabled" ) &&
9518                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
9519                 ( this.checked || !rcheckableType.test( type ) );
9520         })
9521         .map(function( i, elem ) {
9522             var val = jQuery( this ).val();
9523 
9524             return val == null ?
9525                 null :
9526                 jQuery.isArray( val ) ?
9527                     jQuery.map( val, function( val ) {
9528                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9529                     }) :
9530                     { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
9531         }).get();
9532     }
9533 });
9534 
9535 
9536 // Create the request object
9537 // (This is still attached to ajaxSettings for backward compatibility)
9538 jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
9539     // Support: IE6+
9540     function() {
9541 
9542         // XHR cannot access local files, always use ActiveX for that case
9543         return !this.isLocal &&
9544 
9545             // Support: IE7-8
9546             // oldIE XHR does not support non-RFC2616 methods (#13240)
9547             // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
9548             // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
9549             // Although this check for six methods instead of eight
9550             // since IE also does not support "trace" and "connect"
9551             /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
9552 
9553             createStandardXHR() || createActiveXHR();
9554     } :
9555     // For all other browsers, use the standard XMLHttpRequest object
9556     createStandardXHR;
9557 
9558 var xhrId = 0,
9559     xhrCallbacks = {},
9560     xhrSupported = jQuery.ajaxSettings.xhr();
9561 
9562 // Support: IE<10
9563 // Open requests must be manually aborted on unload (#5280)
9564 if ( window.ActiveXObject ) {
9565     jQuery( window ).on( "unload", function() {
9566         for ( var key in xhrCallbacks ) {
9567             xhrCallbacks[ key ]( undefined, true );
9568         }
9569     });
9570 }
9571 
9572 // Determine support properties
9573 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
9574 xhrSupported = support.ajax = !!xhrSupported;
9575 
9576 // Create transport if the browser can provide an xhr
9577 if ( xhrSupported ) {
9578 
9579     jQuery.ajaxTransport(function( options ) {
9580         // Cross domain only allowed if supported through XMLHttpRequest
9581         if ( !options.crossDomain || support.cors ) {
9582 
9583             var callback;
9584 
9585             return {
9586                 send: function( headers, complete ) {
9587                     var i,
9588                         xhr = options.xhr(),
9589                         id = ++xhrId;
9590 
9591                     // Open the socket
9592                     xhr.open( options.type, options.url, options.async, options.username, options.password );
9593 
9594                     // Apply custom fields if provided
9595                     if ( options.xhrFields ) {
9596                         for ( i in options.xhrFields ) {
9597                             xhr[ i ] = options.xhrFields[ i ];
9598                         }
9599                     }
9600 
9601                     // Override mime type if needed
9602                     if ( options.mimeType && xhr.overrideMimeType ) {
9603                         xhr.overrideMimeType( options.mimeType );
9604                     }
9605 
9606                     // X-Requested-With header
9607                     // For cross-domain requests, seeing as conditions for a preflight are
9608                     // akin to a jigsaw puzzle, we simply never set it to be sure.
9609                     // (it can always be set on a per-request basis or even using ajaxSetup)
9610                     // For same-domain requests, won't change header if already provided.
9611                     if ( !options.crossDomain && !headers["X-Requested-With"] ) {
9612                         headers["X-Requested-With"] = "XMLHttpRequest";
9613                     }
9614 
9615                     // Set headers
9616                     for ( i in headers ) {
9617                         // Support: IE<9
9618                         // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
9619                         // request header to a null-value.
9620                         //
9621                         // To keep consistent with other XHR implementations, cast the value
9622                         // to string and ignore `undefined`.
9623                         if ( headers[ i ] !== undefined ) {
9624                             xhr.setRequestHeader( i, headers[ i ] + "" );
9625                         }
9626                     }
9627 
9628                     // Do send the request
9629                     // This may raise an exception which is actually
9630                     // handled in jQuery.ajax (so no try/catch here)
9631                     xhr.send( ( options.hasContent && options.data ) || null );
9632 
9633                     // Listener
9634                     callback = function( _, isAbort ) {
9635                         var status, statusText, responses;
9636 
9637                         // Was never called and is aborted or complete
9638                         if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
9639                             // Clean up
9640                             delete xhrCallbacks[ id ];
9641                             callback = undefined;
9642                             xhr.onreadystatechange = jQuery.noop;
9643 
9644                             // Abort manually if needed
9645                             if ( isAbort ) {
9646                                 if ( xhr.readyState !== 4 ) {
9647                                     xhr.abort();
9648                                 }
9649                             } else {
9650                                 responses = {};
9651                                 status = xhr.status;
9652 
9653                                 // Support: IE<10
9654                                 // Accessing binary-data responseText throws an exception
9655                                 // (#11426)
9656                                 if ( typeof xhr.responseText === "string" ) {
9657                                     responses.text = xhr.responseText;
9658                                 }
9659 
9660                                 // Firefox throws an exception when accessing
9661                                 // statusText for faulty cross-domain requests
9662                                 try {
9663                                     statusText = xhr.statusText;
9664                                 } catch( e ) {
9665                                     // We normalize with Webkit giving an empty statusText
9666                                     statusText = "";
9667                                 }
9668 
9669                                 // Filter status for non standard behaviors
9670 
9671                                 // If the request is local and we have data: assume a success
9672                                 // (success with no data won't get notified, that's the best we
9673                                 // can do given current implementations)
9674                                 if ( !status && options.isLocal && !options.crossDomain ) {
9675                                     status = responses.text ? 200 : 404;
9676                                 // IE - #1450: sometimes returns 1223 when it should be 204
9677                                 } else if ( status === 1223 ) {
9678                                     status = 204;
9679                                 }
9680                             }
9681                         }
9682 
9683                         // Call complete if needed
9684                         if ( responses ) {
9685                             complete( status, statusText, responses, xhr.getAllResponseHeaders() );
9686                         }
9687                     };
9688 
9689                     if ( !options.async ) {
9690                         // if we're in sync mode we fire the callback
9691                         callback();
9692                     } else if ( xhr.readyState === 4 ) {
9693                         // (IE6 & IE7) if it's in cache and has been
9694                         // retrieved directly we need to fire the callback
9695                         setTimeout( callback );
9696                     } else {
9697                         // Add to the list of active xhr callbacks
9698                         xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
9699                     }
9700                 },
9701 
9702                 abort: function() {
9703                     if ( callback ) {
9704                         callback( undefined, true );
9705                     }
9706                 }
9707             };
9708         }
9709     });
9710 }
9711 
9712 // Functions to create xhrs
9713 function createStandardXHR() {
9714     try {
9715         return new window.XMLHttpRequest();
9716     } catch( e ) {}
9717 }
9718 
9719 function createActiveXHR() {
9720     try {
9721         return new window.ActiveXObject( "Microsoft.XMLHTTP" );
9722     } catch( e ) {}
9723 }
9724 
9725 
9726 
9727 
9728 // Install script dataType
9729 jQuery.ajaxSetup({
9730     accepts: {
9731         script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
9732     },
9733     contents: {
9734         script: /(?:java|ecma)script/
9735     },
9736     converters: {
9737         "text script": function( text ) {
9738             jQuery.globalEval( text );
9739             return text;
9740         }
9741     }
9742 });
9743 
9744 // Handle cache's special case and global
9745 jQuery.ajaxPrefilter( "script", function( s ) {
9746     if ( s.cache === undefined ) {
9747         s.cache = false;
9748     }
9749     if ( s.crossDomain ) {
9750         s.type = "GET";
9751         s.global = false;
9752     }
9753 });
9754 
9755 // Bind script tag hack transport
9756 jQuery.ajaxTransport( "script", function(s) {
9757 
9758     // This transport only deals with cross domain requests
9759     if ( s.crossDomain ) {
9760 
9761         var script,
9762             head = document.head || jQuery("head")[0] || document.documentElement;
9763 
9764         return {
9765 
9766             send: function( _, callback ) {
9767 
9768                 script = document.createElement("script");
9769 
9770                 script.async = true;
9771 
9772                 if ( s.scriptCharset ) {
9773                     script.charset = s.scriptCharset;
9774                 }
9775 
9776                 script.src = s.url;
9777 
9778                 // Attach handlers for all browsers
9779                 script.onload = script.onreadystatechange = function( _, isAbort ) {
9780 
9781                     if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
9782 
9783                         // Handle memory leak in IE
9784                         script.onload = script.onreadystatechange = null;
9785 
9786                         // Remove the script
9787                         if ( script.parentNode ) {
9788                             script.parentNode.removeChild( script );
9789                         }
9790 
9791                         // Dereference the script
9792                         script = null;
9793 
9794                         // Callback if not abort
9795                         if ( !isAbort ) {
9796                             callback( 200, "success" );
9797                         }
9798                     }
9799                 };
9800 
9801                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
9802                 // Use native DOM manipulation to avoid our domManip AJAX trickery
9803                 head.insertBefore( script, head.firstChild );
9804             },
9805 
9806             abort: function() {
9807                 if ( script ) {
9808                     script.onload( undefined, true );
9809                 }
9810             }
9811         };
9812     }
9813 });
9814 
9815 
9816 
9817 
9818 var oldCallbacks = [],
9819     rjsonp = /(=)\?(?=&|$)|\?\?/;
9820 
9821 // Default jsonp settings
9822 jQuery.ajaxSetup({
9823     jsonp: "callback",
9824     jsonpCallback: function() {
9825         var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
9826         this[ callback ] = true;
9827         return callback;
9828     }
9829 });
9830 
9831 // Detect, normalize options and install callbacks for jsonp requests
9832 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
9833 
9834     var callbackName, overwritten, responseContainer,
9835         jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
9836             "url" :
9837             typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
9838         );
9839 
9840     // Handle iff the expected data type is "jsonp" or we have a parameter to set
9841     if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
9842 
9843         // Get callback name, remembering preexisting value associated with it
9844         callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
9845             s.jsonpCallback() :
9846             s.jsonpCallback;
9847 
9848         // Insert callback into url or form data
9849         if ( jsonProp ) {
9850             s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
9851         } else if ( s.jsonp !== false ) {
9852             s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
9853         }
9854 
9855         // Use data converter to retrieve json after script execution
9856         s.converters["script json"] = function() {
9857             if ( !responseContainer ) {
9858                 jQuery.error( callbackName + " was not called" );
9859             }
9860             return responseContainer[ 0 ];
9861         };
9862 
9863         // force json dataType
9864         s.dataTypes[ 0 ] = "json";
9865 
9866         // Install callback
9867         overwritten = window[ callbackName ];
9868         window[ callbackName ] = function() {
9869             responseContainer = arguments;
9870         };
9871 
9872         // Clean-up function (fires after converters)
9873         jqXHR.always(function() {
9874             // Restore preexisting value
9875             window[ callbackName ] = overwritten;
9876 
9877             // Save back as free
9878             if ( s[ callbackName ] ) {
9879                 // make sure that re-using the options doesn't screw things around
9880                 s.jsonpCallback = originalSettings.jsonpCallback;
9881 
9882                 // save the callback name for future use
9883                 oldCallbacks.push( callbackName );
9884             }
9885 
9886             // Call if it was a function and we have a response
9887             if ( responseContainer && jQuery.isFunction( overwritten ) ) {
9888                 overwritten( responseContainer[ 0 ] );
9889             }
9890 
9891             responseContainer = overwritten = undefined;
9892         });
9893 
9894         // Delegate to script
9895         return "script";
9896     }
9897 });
9898 
9899 
9900 
9901 
9902 // data: string of html
9903 // context (optional): If specified, the fragment will be created in this context, defaults to document
9904 // keepScripts (optional): If true, will include scripts passed in the html string
9905 jQuery.parseHTML = function( data, context, keepScripts ) {
9906     if ( !data || typeof data !== "string" ) {
9907         return null;
9908     }
9909     if ( typeof context === "boolean" ) {
9910         keepScripts = context;
9911         context = false;
9912     }
9913     context = context || document;
9914 
9915     var parsed = rsingleTag.exec( data ),
9916         scripts = !keepScripts && [];
9917 
9918     // Single tag
9919     if ( parsed ) {
9920         return [ context.createElement( parsed[1] ) ];
9921     }
9922 
9923     parsed = jQuery.buildFragment( [ data ], context, scripts );
9924 
9925     if ( scripts && scripts.length ) {
9926         jQuery( scripts ).remove();
9927     }
9928 
9929     return jQuery.merge( [], parsed.childNodes );
9930 };
9931 
9932 
9933 // Keep a copy of the old load method
9934 var _load = jQuery.fn.load;
9935 
9936 /**
9937  * Load a url into a page
9938  */
9939 jQuery.fn.load = function( url, params, callback ) {
9940     if ( typeof url !== "string" && _load ) {
9941         return _load.apply( this, arguments );
9942     }
9943 
9944     var selector, response, type,
9945         self = this,
9946         off = url.indexOf(" ");
9947 
9948     if ( off >= 0 ) {
9949         selector = jQuery.trim( url.slice( off, url.length ) );
9950         url = url.slice( 0, off );
9951     }
9952 
9953     // If it's a function
9954     if ( jQuery.isFunction( params ) ) {
9955 
9956         // We assume that it's the callback
9957         callback = params;
9958         params = undefined;
9959 
9960     // Otherwise, build a param string
9961     } else if ( params && typeof params === "object" ) {
9962         type = "POST";
9963     }
9964 
9965     // If we have elements to modify, make the request
9966     if ( self.length > 0 ) {
9967         jQuery.ajax({
9968             url: url,
9969 
9970             // if "type" variable is undefined, then "GET" method will be used
9971             type: type,
9972             dataType: "html",
9973             data: params
9974         }).done(function( responseText ) {
9975 
9976             // Save response for use in complete callback
9977             response = arguments;
9978 
9979             self.html( selector ?
9980 
9981                 // If a selector was specified, locate the right elements in a dummy div
9982                 // Exclude scripts to avoid IE 'Permission Denied' errors
9983                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
9984 
9985                 // Otherwise use the full result
9986                 responseText );
9987 
9988         }).complete( callback && function( jqXHR, status ) {
9989             self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
9990         });
9991     }
9992 
9993     return this;
9994 };
9995 
9996 
9997 
9998 
9999 jQuery.expr.filters.animated = function( elem ) {
10000     return jQuery.grep(jQuery.timers, function( fn ) {
10001         return elem === fn.elem;
10002     }).length;
10003 };
10004 
10005 
10006 
10007 
10008 
10009 var docElem = window.document.documentElement;
10010 
10011 /**
10012  * Gets a window from an element
10013  */
10014 function getWindow( elem ) {
10015     return jQuery.isWindow( elem ) ?
10016         elem :
10017         elem.nodeType === 9 ?
10018             elem.defaultView || elem.parentWindow :
10019             false;
10020 }
10021 
10022 jQuery.offset = {
10023     setOffset: function( elem, options, i ) {
10024         var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
10025             position = jQuery.css( elem, "position" ),
10026             curElem = jQuery( elem ),
10027             props = {};
10028 
10029         // set position first, in-case top/left are set even on static elem
10030         if ( position === "static" ) {
10031             elem.style.position = "relative";
10032         }
10033 
10034         curOffset = curElem.offset();
10035         curCSSTop = jQuery.css( elem, "top" );
10036         curCSSLeft = jQuery.css( elem, "left" );
10037         calculatePosition = ( position === "absolute" || position === "fixed" ) &&
10038             jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -1;
10039 
10040         // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
10041         if ( calculatePosition ) {
10042             curPosition = curElem.position();
10043             curTop = curPosition.top;
10044             curLeft = curPosition.left;
10045         } else {
10046             curTop = parseFloat( curCSSTop ) || 0;
10047             curLeft = parseFloat( curCSSLeft ) || 0;
10048         }
10049 
10050         if ( jQuery.isFunction( options ) ) {
10051             options = options.call( elem, i, curOffset );
10052         }
10053 
10054         if ( options.top != null ) {
10055             props.top = ( options.top - curOffset.top ) + curTop;
10056         }
10057         if ( options.left != null ) {
10058             props.left = ( options.left - curOffset.left ) + curLeft;
10059         }
10060 
10061         if ( "using" in options ) {
10062             options.using.call( elem, props );
10063         } else {
10064             curElem.css( props );
10065         }
10066     }
10067 };
10068 
10069 jQuery.fn.extend({
10070     offset: function( options ) {
10071         if ( arguments.length ) {
10072             return options === undefined ?
10073                 this :
10074                 this.each(function( i ) {
10075                     jQuery.offset.setOffset( this, options, i );
10076                 });
10077         }
10078 
10079         var docElem, win,
10080             box = { top: 0, left: 0 },
10081             elem = this[ 0 ],
10082             doc = elem && elem.ownerDocument;
10083 
10084         if ( !doc ) {
10085             return;
10086         }
10087 
10088         docElem = doc.documentElement;
10089 
10090         // Make sure it's not a disconnected DOM node
10091         if ( !jQuery.contains( docElem, elem ) ) {
10092             return box;
10093         }
10094 
10095         // If we don't have gBCR, just use 0,0 rather than error
10096         // BlackBerry 5, iOS 3 (original iPhone)
10097         if ( typeof elem.getBoundingClientRect !== strundefined ) {
10098             box = elem.getBoundingClientRect();
10099         }
10100         win = getWindow( doc );
10101         return {
10102             top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
10103             left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
10104         };
10105     },
10106 
10107     position: function() {
10108         if ( !this[ 0 ] ) {
10109             return;
10110         }
10111 
10112         var offsetParent, offset,
10113             parentOffset = { top: 0, left: 0 },
10114             elem = this[ 0 ];
10115 
10116         // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
10117         if ( jQuery.css( elem, "position" ) === "fixed" ) {
10118             // we assume that getBoundingClientRect is available when computed position is fixed
10119             offset = elem.getBoundingClientRect();
10120         } else {
10121             // Get *real* offsetParent
10122             offsetParent = this.offsetParent();
10123 
10124             // Get correct offsets
10125             offset = this.offset();
10126             if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
10127                 parentOffset = offsetParent.offset();
10128             }
10129 
10130             // Add offsetParent borders
10131             parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
10132             parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
10133         }
10134 
10135         // Subtract parent offsets and element margins
10136         // note: when an element has margin: auto the offsetLeft and marginLeft
10137         // are the same in Safari causing offset.left to incorrectly be 0
10138         return {
10139             top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
10140             left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
10141         };
10142     },
10143 
10144     offsetParent: function() {
10145         return this.map(function() {
10146             var offsetParent = this.offsetParent || docElem;
10147 
10148             while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
10149                 offsetParent = offsetParent.offsetParent;
10150             }
10151             return offsetParent || docElem;
10152         });
10153     }
10154 });
10155 
10156 // Create scrollLeft and scrollTop methods
10157 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
10158     var top = /Y/.test( prop );
10159 
10160     jQuery.fn[ method ] = function( val ) {
10161         return access( this, function( elem, method, val ) {
10162             var win = getWindow( elem );
10163 
10164             if ( val === undefined ) {
10165                 return win ? (prop in win) ? win[ prop ] :
10166                     win.document.documentElement[ method ] :
10167                     elem[ method ];
10168             }
10169 
10170             if ( win ) {
10171                 win.scrollTo(
10172                     !top ? val : jQuery( win ).scrollLeft(),
10173                     top ? val : jQuery( win ).scrollTop()
10174                 );
10175 
10176             } else {
10177                 elem[ method ] = val;
10178             }
10179         }, method, val, arguments.length, null );
10180     };
10181 });
10182 
10183 // Add the top/left cssHooks using jQuery.fn.position
10184 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
10185 // getComputedStyle returns percent when specified for top/left/bottom/right
10186 // rather than make the css module depend on the offset module, we just check for it here
10187 jQuery.each( [ "top", "left" ], function( i, prop ) {
10188     jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
10189         function( elem, computed ) {
10190             if ( computed ) {
10191                 computed = curCSS( elem, prop );
10192                 // if curCSS returns percentage, fallback to offset
10193                 return rnumnonpx.test( computed ) ?
10194                     jQuery( elem ).position()[ prop ] + "px" :
10195                     computed;
10196             }
10197         }
10198     );
10199 });
10200 
10201 
10202 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
10203 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
10204     jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
10205         // margin is only for outerHeight, outerWidth
10206         jQuery.fn[ funcName ] = function( margin, value ) {
10207             var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
10208                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
10209 
10210             return access( this, function( elem, type, value ) {
10211                 var doc;
10212 
10213                 if ( jQuery.isWindow( elem ) ) {
10214                     // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
10215                     // isn't a whole lot we can do. See pull request at this URL for discussion:
10216                     // https://github.com/jquery/jquery/pull/764
10217                     return elem.document.documentElement[ "client" + name ];
10218                 }
10219 
10220                 // Get document width or height
10221                 if ( elem.nodeType === 9 ) {
10222                     doc = elem.documentElement;
10223 
10224                     // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
10225                     // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
10226                     return Math.max(
10227                         elem.body[ "scroll" + name ], doc[ "scroll" + name ],
10228                         elem.body[ "offset" + name ], doc[ "offset" + name ],
10229                         doc[ "client" + name ]
10230                     );
10231                 }
10232 
10233                 return value === undefined ?
10234                     // Get width or height on the element, requesting but not forcing parseFloat
10235                     jQuery.css( elem, type, extra ) :
10236 
10237                     // Set width or height on the element
10238                     jQuery.style( elem, type, value, extra );
10239             }, type, chainable ? margin : undefined, chainable, null );
10240         };
10241     });
10242 });
10243 
10244 
10245 // The number of elements contained in the matched element set
10246 jQuery.fn.size = function() {
10247     return this.length;
10248 };
10249 
10250 jQuery.fn.andSelf = jQuery.fn.addBack;
10251 
10252 
10253 
10254 
10255 // Register as a named AMD module, since jQuery can be concatenated with other
10256 // files that may use define, but not via a proper concatenation script that
10257 // understands anonymous AMD modules. A named AMD is safest and most robust
10258 // way to register. Lowercase jquery is used because AMD module names are
10259 // derived from file names, and jQuery is normally delivered in a lowercase
10260 // file name. Do this after creating the global so that if an AMD module wants
10261 // to call noConflict to hide this version of jQuery, it will work.
10262 
10263 // Note that for maximum portability, libraries that are not jQuery should
10264 // declare themselves as anonymous modules, and avoid setting a global if an
10265 // AMD loader is present. jQuery is a special case. For more information, see
10266 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
10267 
10268 if ( typeof define === "function" && define.amd ) {
10269     define( "jquery", [], function() {
10270         return jQuery;
10271     });
10272 }
10273 
10274 
10275 
10276 
10277 var
10278     // Map over jQuery in case of overwrite
10279     _jQuery = window.jQuery,
10280 
10281     // Map over the $ in case of overwrite
10282     _$ = window.$;
10283 
10284 jQuery.noConflict = function( deep ) {
10285     if ( window.$ === jQuery ) {
10286         window.$ = _$;
10287     }
10288 
10289     if ( deep && window.jQuery === jQuery ) {
10290         window.jQuery = _jQuery;
10291     }
10292 
10293     return jQuery;
10294 };
10295 
10296 // Expose jQuery and $ identifiers, even in
10297 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
10298 // and CommonJS for browser emulators (#13566)
10299 if ( typeof noGlobal === strundefined ) {
10300     window.jQuery = window.$ = jQuery;
10301 }
10302 
10303 
10304 
10305 
10306 return jQuery;
10307 
10308 }));
10309