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1/*!
2 * jQuery JavaScript Library v1.10.2
3 * http://jquery.com/
4 *
5 * Includes Sizzle.js
6 * http://sizzlejs.com/
7 *
8 * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
9 * Released under the MIT license
10 * http://jquery.org/license
11 *
12 * Date: 2013-07-03T13:48Z
13 */
14(function( window, undefined ) {
15
16// Can't do this because several apps including ASP.NET trace
17// the stack via arguments.caller.callee and Firefox dies if
18// you try to trace through "use strict" call chains. (#13335)
19// Support: Firefox 18+
20//"use strict";
21var
22  // The deferred used on DOM ready
23  readyList,
24
25  // A central reference to the root jQuery(document)
26  rootjQuery,
27
28  // Support: IE<10
29  // For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
30  core_strundefined = typeof undefined,
31
32  // Use the correct document accordingly with window argument (sandbox)
33  location = window.location,
34  document = window.document,
35  docElem = document.documentElement,
36
37  // Map over jQuery in case of overwrite
38  _jQuery = window.jQuery,
39
40  // Map over the $ in case of overwrite
41  _$ = window.$,
42
43  // [[Class]] -> type pairs
44  class2type = {},
45
46  // List of deleted data cache ids, so we can reuse them
47  core_deletedIds = [],
48
49  core_version = "1.10.2",
50
51  // Save a reference to some core methods
52  core_concat = core_deletedIds.concat,
53  core_push = core_deletedIds.push,
54  core_slice = core_deletedIds.slice,
55  core_indexOf = core_deletedIds.indexOf,
56  core_toString = class2type.toString,
57  core_hasOwn = class2type.hasOwnProperty,
58  core_trim = core_version.trim,
59
60  // Define a local copy of jQuery
61  jQuery = function( selector, context ) {
62    // The jQuery object is actually just the init constructor 'enhanced'
63    return new jQuery.fn.init( selector, context, rootjQuery );
64  },
65
66  // Used for matching numbers
67  core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
68
69  // Used for splitting on whitespace
70  core_rnotwhite = /\S+/g,
71
72  // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
73  rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
74
75  // A simple way to check for HTML strings
76  // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
77  // Strict HTML recognition (#11290: must start with <)
78  rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
79
80  // Match a standalone tag
81  rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
82
83  // JSON RegExp
84  rvalidchars = /^[\],:{}\s]*$/,
85  rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
86  rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
87  rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,
88
89  // Matches dashed string for camelizing
90  rmsPrefix = /^-ms-/,
91  rdashAlpha = /-([\da-z])/gi,
92
93  // Used by jQuery.camelCase as callback to replace()
94  fcamelCase = function( all, letter ) {
95    return letter.toUpperCase();
96  },
97
98  // The ready event handler
99  completed = function( event ) {
100
101    // readyState === "complete" is good enough for us to call the dom ready in oldIE
102    if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
103      detach();
104      jQuery.ready();
105    }
106  },
107  // Clean-up method for dom ready events
108  detach = function() {
109    if ( document.addEventListener ) {
110      document.removeEventListener( "DOMContentLoaded", completed, false );
111      window.removeEventListener( "load", completed, false );
112
113    } else {
114      document.detachEvent( "onreadystatechange", completed );
115      window.detachEvent( "onload", completed );
116    }
117  };
118
119jQuery.fn = jQuery.prototype = {
120  // The current version of jQuery being used
121  jquery: core_version,
122
123  constructor: jQuery,
124  init: function( selector, context, rootjQuery ) {
125    var match, elem;
126
127    // HANDLE: $(""), $(null), $(undefined), $(false)
128    if ( !selector ) {
129      return this;
130    }
131
132    // Handle HTML strings
133    if ( typeof selector === "string" ) {
134      if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
135        // Assume that strings that start and end with <> are HTML and skip the regex check
136        match = [ null, selector, null ];
137
138      } else {
139        match = rquickExpr.exec( selector );
140      }
141
142      // Match html or make sure no context is specified for #id
143      if ( match && (match[1] || !context) ) {
144
145        // HANDLE: $(html) -> $(array)
146        if ( match[1] ) {
147          context = context instanceof jQuery ? context[0] : context;
148
149          // scripts is true for back-compat
150          jQuery.merge( this, jQuery.parseHTML(
151            match[1],
152            context && context.nodeType ? context.ownerDocument || context : document,
153            true
154          ) );
155
156          // HANDLE: $(html, props)
157          if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
158            for ( match in context ) {
159              // Properties of context are called as methods if possible
160              if ( jQuery.isFunction( this[ match ] ) ) {
161                this[ match ]( context[ match ] );
162
163              // ...and otherwise set as attributes
164              } else {
165                this.attr( match, context[ match ] );
166              }
167            }
168          }
169
170          return this;
171
172        // HANDLE: $(#id)
173        } else {
174          elem = document.getElementById( match[2] );
175
176          // Check parentNode to catch when Blackberry 4.6 returns
177          // nodes that are no longer in the document #6963
178          if ( elem && elem.parentNode ) {
179            // Handle the case where IE and Opera return items
180            // by name instead of ID
181            if ( elem.id !== match[2] ) {
182              return rootjQuery.find( selector );
183            }
184
185            // Otherwise, we inject the element directly into the jQuery object
186            this.length = 1;
187            this[0] = elem;
188          }
189
190          this.context = document;
191          this.selector = selector;
192          return this;
193        }
194
195      // HANDLE: $(expr, $(...))
196      } else if ( !context || context.jquery ) {
197        return ( context || rootjQuery ).find( selector );
198
199      // HANDLE: $(expr, context)
200      // (which is just equivalent to: $(context).find(expr)
201      } else {
202        return this.constructor( context ).find( selector );
203      }
204
205    // HANDLE: $(DOMElement)
206    } else if ( selector.nodeType ) {
207      this.context = this[0] = selector;
208      this.length = 1;
209      return this;
210
211    // HANDLE: $(function)
212    // Shortcut for document ready
213    } else if ( jQuery.isFunction( selector ) ) {
214      return rootjQuery.ready( selector );
215    }
216
217    if ( selector.selector !== undefined ) {
218      this.selector = selector.selector;
219      this.context = selector.context;
220    }
221
222    return jQuery.makeArray( selector, this );
223  },
224
225  // Start with an empty selector
226  selector: "",
227
228  // The default length of a jQuery object is 0
229  length: 0,
230
231  toArray: function() {
232    return core_slice.call( this );
233  },
234
235  // Get the Nth element in the matched element set OR
236  // Get the whole matched element set as a clean array
237  get: function( num ) {
238    return num == null ?
239
240      // Return a 'clean' array
241      this.toArray() :
242
243      // Return just the object
244      ( num < 0 ? this[ this.length + num ] : this[ num ] );
245  },
246
247  // Take an array of elements and push it onto the stack
248  // (returning the new matched element set)
249  pushStack: function( elems ) {
250
251    // Build a new jQuery matched element set
252    var ret = jQuery.merge( this.constructor(), elems );
253
254    // Add the old object onto the stack (as a reference)
255    ret.prevObject = this;
256    ret.context = this.context;
257
258    // Return the newly-formed element set
259    return ret;
260  },
261
262  // Execute a callback for every element in the matched set.
263  // (You can seed the arguments with an array of args, but this is
264  // only used internally.)
265  each: function( callback, args ) {
266    return jQuery.each( this, callback, args );
267  },
268
269  ready: function( fn ) {
270    // Add the callback
271    jQuery.ready.promise().done( fn );
272
273    return this;
274  },
275
276  slice: function() {
277    return this.pushStack( core_slice.apply( this, arguments ) );
278  },
279
280  first: function() {
281    return this.eq( 0 );
282  },
283
284  last: function() {
285    return this.eq( -1 );
286  },
287
288  eq: function( i ) {
289    var len = this.length,
290      j = +i + ( i < 0 ? len : 0 );
291    return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
292  },
293
294  map: function( callback ) {
295    return this.pushStack( jQuery.map(this, function( elem, i ) {
296      return callback.call( elem, i, elem );
297    }));
298  },
299
300  end: function() {
301    return this.prevObject || this.constructor(null);
302  },
303
304  // For internal use only.
305  // Behaves like an Array's method, not like a jQuery method.
306  push: core_push,
307  sort: [].sort,
308  splice: [].splice
309};
310
311// Give the init function the jQuery prototype for later instantiation
312jQuery.fn.init.prototype = jQuery.fn;
313
314jQuery.extend = jQuery.fn.extend = function() {
315  var src, copyIsArray, copy, name, options, clone,
316    target = arguments[0] || {},
317    i = 1,
318    length = arguments.length,
319    deep = false;
320
321  // Handle a deep copy situation
322  if ( typeof target === "boolean" ) {
323    deep = target;
324    target = arguments[1] || {};
325    // skip the boolean and the target
326    i = 2;
327  }
328
329  // Handle case when target is a string or something (possible in deep copy)
330  if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
331    target = {};
332  }
333
334  // extend jQuery itself if only one argument is passed
335  if ( length === i ) {
336    target = this;
337    --i;
338  }
339
340  for ( ; i < length; i++ ) {
341    // Only deal with non-null/undefined values
342    if ( (options = arguments[ i ]) != null ) {
343      // Extend the base object
344      for ( name in options ) {
345        src = target[ name ];
346        copy = options[ name ];
347
348        // Prevent never-ending loop
349        if ( target === copy ) {
350          continue;
351        }
352
353        // Recurse if we're merging plain objects or arrays
354        if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
355          if ( copyIsArray ) {
356            copyIsArray = false;
357            clone = src && jQuery.isArray(src) ? src : [];
358
359          } else {
360            clone = src && jQuery.isPlainObject(src) ? src : {};
361          }
362
363          // Never move original objects, clone them
364          target[ name ] = jQuery.extend( deep, clone, copy );
365
366        // Don't bring in undefined values
367        } else if ( copy !== undefined ) {
368          target[ name ] = copy;
369        }
370      }
371    }
372  }
373
374  // Return the modified object
375  return target;
376};
377
378jQuery.extend({
379  // Unique for each copy of jQuery on the page
380  // Non-digits removed to match rinlinejQuery
381  expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
382
383  noConflict: function( deep ) {
384    if ( window.$ === jQuery ) {
385      window.$ = _$;
386    }
387
388    if ( deep && window.jQuery === jQuery ) {
389      window.jQuery = _jQuery;
390    }
391
392    return jQuery;
393  },
394
395  // Is the DOM ready to be used? Set to true once it occurs.
396  isReady: false,
397
398  // A counter to track how many items to wait for before
399  // the ready event fires. See #6781
400  readyWait: 1,
401
402  // Hold (or release) the ready event
403  holdReady: function( hold ) {
404    if ( hold ) {
405      jQuery.readyWait++;
406    } else {
407      jQuery.ready( true );
408    }
409  },
410
411  // Handle when the DOM is ready
412  ready: function( wait ) {
413
414    // Abort if there are pending holds or we're already ready
415    if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
416      return;
417    }
418
419    // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
420    if ( !document.body ) {
421      return setTimeout( jQuery.ready );
422    }
423
424    // Remember that the DOM is ready
425    jQuery.isReady = true;
426
427    // If a normal DOM Ready event fired, decrement, and wait if need be
428    if ( wait !== true && --jQuery.readyWait > 0 ) {
429      return;
430    }
431
432    // If there are functions bound, to execute
433    readyList.resolveWith( document, [ jQuery ] );
434
435    // Trigger any bound ready events
436    if ( jQuery.fn.trigger ) {
437      jQuery( document ).trigger("ready").off("ready");
438    }
439  },
440
441  // See test/unit/core.js for details concerning isFunction.
442  // Since version 1.3, DOM methods and functions like alert
443  // aren't supported. They return false on IE (#2968).
444  isFunction: function( obj ) {
445    return jQuery.type(obj) === "function";
446  },
447
448  isArray: Array.isArray || function( obj ) {
449    return jQuery.type(obj) === "array";
450  },
451
452  isWindow: function( obj ) {
453    /* jshint eqeqeq: false */
454    return obj != null && obj == obj.window;
455  },
456
457  isNumeric: function( obj ) {
458    return !isNaN( parseFloat(obj) ) && isFinite( obj );
459  },
460
461  type: function( obj ) {
462    if ( obj == null ) {
463      return String( obj );
464    }
465    return typeof obj === "object" || typeof obj === "function" ?
466      class2type[ core_toString.call(obj) ] || "object" :
467      typeof obj;
468  },
469
470  isPlainObject: function( obj ) {
471    var key;
472
473    // Must be an Object.
474    // Because of IE, we also have to check the presence of the constructor property.
475    // Make sure that DOM nodes and window objects don't pass through, as well
476    if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
477      return false;
478    }
479
480    try {
481      // Not own constructor property must be Object
482      if ( obj.constructor &&
483        !core_hasOwn.call(obj, "constructor") &&
484        !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
485        return false;
486      }
487    } catch ( e ) {
488      // IE8,9 Will throw exceptions on certain host objects #9897
489      return false;
490    }
491
492    // Support: IE<9
493    // Handle iteration over inherited properties before own properties.
494    if ( jQuery.support.ownLast ) {
495      for ( key in obj ) {
496        return core_hasOwn.call( obj, key );
497      }
498    }
499
500    // Own properties are enumerated firstly, so to speed up,
501    // if last one is own, then all properties are own.
502    for ( key in obj ) {}
503
504    return key === undefined || core_hasOwn.call( obj, key );
505  },
506
507  isEmptyObject: function( obj ) {
508    var name;
509    for ( name in obj ) {
510      return false;
511    }
512    return true;
513  },
514
515  error: function( msg ) {
516    throw new Error( msg );
517  },
518
519  // data: string of html
520  // context (optional): If specified, the fragment will be created in this context, defaults to document
521  // keepScripts (optional): If true, will include scripts passed in the html string
522  parseHTML: function( data, context, keepScripts ) {
523    if ( !data || typeof data !== "string" ) {
524      return null;
525    }
526    if ( typeof context === "boolean" ) {
527      keepScripts = context;
528      context = false;
529    }
530    context = context || document;
531
532    var parsed = rsingleTag.exec( data ),
533      scripts = !keepScripts && [];
534
535    // Single tag
536    if ( parsed ) {
537      return [ context.createElement( parsed[1] ) ];
538    }
539
540    parsed = jQuery.buildFragment( [ data ], context, scripts );
541    if ( scripts ) {
542      jQuery( scripts ).remove();
543    }
544    return jQuery.merge( [], parsed.childNodes );
545  },
546
547  parseJSON: function( data ) {
548    // Attempt to parse using the native JSON parser first
549    if ( window.JSON && window.JSON.parse ) {
550      return window.JSON.parse( data );
551    }
552
553    if ( data === null ) {
554      return data;
555    }
556
557    if ( typeof data === "string" ) {
558
559      // Make sure leading/trailing whitespace is removed (IE can't handle it)
560      data = jQuery.trim( data );
561
562      if ( data ) {
563        // Make sure the incoming data is actual JSON
564        // Logic borrowed from http://json.org/json2.js
565        if ( rvalidchars.test( data.replace( rvalidescape, "@" )
566          .replace( rvalidtokens, "]" )
567          .replace( rvalidbraces, "")) ) {
568
569          return ( new Function( "return " + data ) )();
570        }
571      }
572    }
573
574    jQuery.error( "Invalid JSON: " + data );
575  },
576
577  // Cross-browser xml parsing
578  parseXML: function( data ) {
579    var xml, tmp;
580    if ( !data || typeof data !== "string" ) {
581      return null;
582    }
583    try {
584      if ( window.DOMParser ) { // Standard
585        tmp = new DOMParser();
586        xml = tmp.parseFromString( data , "text/xml" );
587      } else { // IE
588        xml = new ActiveXObject( "Microsoft.XMLDOM" );
589        xml.async = "false";
590        xml.loadXML( data );
591      }
592    } catch( e ) {
593      xml = undefined;
594    }
595    if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
596      jQuery.error( "Invalid XML: " + data );
597    }
598    return xml;
599  },
600
601  noop: function() {},
602
603  // Evaluates a script in a global context
604  // Workarounds based on findings by Jim Driscoll
605  // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
606  globalEval: function( data ) {
607    if ( data && jQuery.trim( data ) ) {
608      // We use execScript on Internet Explorer
609      // We use an anonymous function so that context is window
610      // rather than jQuery in Firefox
611      ( window.execScript || function( data ) {
612        window[ "eval" ].call( window, data );
613      } )( data );
614    }
615  },
616
617  // Convert dashed to camelCase; used by the css and data modules
618  // Microsoft forgot to hump their vendor prefix (#9572)
619  camelCase: function( string ) {
620    return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
621  },
622
623  nodeName: function( elem, name ) {
624    return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
625  },
626
627  // args is for internal usage only
628  each: function( obj, callback, args ) {
629    var value,
630      i = 0,
631      length = obj.length,
632      isArray = isArraylike( obj );
633
634    if ( args ) {
635      if ( isArray ) {
636        for ( ; i < length; i++ ) {
637          value = callback.apply( obj[ i ], args );
638
639          if ( value === false ) {
640            break;
641          }
642        }
643      } else {
644        for ( i in obj ) {
645          value = callback.apply( obj[ i ], args );
646
647          if ( value === false ) {
648            break;
649          }
650        }
651      }
652
653    // A special, fast, case for the most common use of each
654    } else {
655      if ( isArray ) {
656        for ( ; i < length; i++ ) {
657          value = callback.call( obj[ i ], i, obj[ i ] );
658
659          if ( value === false ) {
660            break;
661          }
662        }
663      } else {
664        for ( i in obj ) {
665          value = callback.call( obj[ i ], i, obj[ i ] );
666
667          if ( value === false ) {
668            break;
669          }
670        }
671      }
672    }
673
674    return obj;
675  },
676
677  // Use native String.trim function wherever possible
678  trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
679    function( text ) {
680      return text == null ?
681        "" :
682        core_trim.call( text );
683    } :
684
685    // Otherwise use our own trimming functionality
686    function( text ) {
687      return text == null ?
688        "" :
689        ( text + "" ).replace( rtrim, "" );
690    },
691
692  // results is for internal usage only
693  makeArray: function( arr, results ) {
694    var ret = results || [];
695
696    if ( arr != null ) {
697      if ( isArraylike( Object(arr) ) ) {
698        jQuery.merge( ret,
699          typeof arr === "string" ?
700          [ arr ] : arr
701        );
702      } else {
703        core_push.call( ret, arr );
704      }
705    }
706
707    return ret;
708  },
709
710  inArray: function( elem, arr, i ) {
711    var len;
712
713    if ( arr ) {
714      if ( core_indexOf ) {
715        return core_indexOf.call( arr, elem, i );
716      }
717
718      len = arr.length;
719      i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
720
721      for ( ; i < len; i++ ) {
722        // Skip accessing in sparse arrays
723        if ( i in arr && arr[ i ] === elem ) {
724          return i;
725        }
726      }
727    }
728
729    return -1;
730  },
731
732  merge: function( first, second ) {
733    var l = second.length,
734      i = first.length,
735      j = 0;
736
737    if ( typeof l === "number" ) {
738      for ( ; j < l; j++ ) {
739        first[ i++ ] = second[ j ];
740      }
741    } else {
742      while ( second[j] !== undefined ) {
743        first[ i++ ] = second[ j++ ];
744      }
745    }
746
747    first.length = i;
748
749    return first;
750  },
751
752  grep: function( elems, callback, inv ) {
753    var retVal,
754      ret = [],
755      i = 0,
756      length = elems.length;
757    inv = !!inv;
758
759    // Go through the array, only saving the items
760    // that pass the validator function
761    for ( ; i < length; i++ ) {
762      retVal = !!callback( elems[ i ], i );
763      if ( inv !== retVal ) {
764        ret.push( elems[ i ] );
765      }
766    }
767
768    return ret;
769  },
770
771  // arg is for internal usage only
772  map: function( elems, callback, arg ) {
773    var value,
774      i = 0,
775      length = elems.length,
776      isArray = isArraylike( elems ),
777      ret = [];
778
779    // Go through the array, translating each of the items to their
780    if ( isArray ) {
781      for ( ; i < length; i++ ) {
782        value = callback( elems[ i ], i, arg );
783
784        if ( value != null ) {
785          ret[ ret.length ] = value;
786        }
787      }
788
789    // Go through every key on the object,
790    } else {
791      for ( i in elems ) {
792        value = callback( elems[ i ], i, arg );
793
794        if ( value != null ) {
795          ret[ ret.length ] = value;
796        }
797      }
798    }
799
800    // Flatten any nested arrays
801    return core_concat.apply( [], ret );
802  },
803
804  // A global GUID counter for objects
805  guid: 1,
806
807  // Bind a function to a context, optionally partially applying any
808  // arguments.
809  proxy: function( fn, context ) {
810    var args, proxy, tmp;
811
812    if ( typeof context === "string" ) {
813      tmp = fn[ context ];
814      context = fn;
815      fn = tmp;
816    }
817
818    // Quick check to determine if target is callable, in the spec
819    // this throws a TypeError, but we will just return undefined.
820    if ( !jQuery.isFunction( fn ) ) {
821      return undefined;
822    }
823
824    // Simulated bind
825    args = core_slice.call( arguments, 2 );
826    proxy = function() {
827      return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
828    };
829
830    // Set the guid of unique handler to the same of original handler, so it can be removed
831    proxy.guid = fn.guid = fn.guid || jQuery.guid++;
832
833    return proxy;
834  },
835
836  // Multifunctional method to get and set values of a collection
837  // The value/s can optionally be executed if it's a function
838  access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
839    var i = 0,
840      length = elems.length,
841      bulk = key == null;
842
843    // Sets many values
844    if ( jQuery.type( key ) === "object" ) {
845      chainable = true;
846      for ( i in key ) {
847        jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
848      }
849
850    // Sets one value
851    } else if ( value !== undefined ) {
852      chainable = true;
853
854      if ( !jQuery.isFunction( value ) ) {
855        raw = true;
856      }
857
858      if ( bulk ) {
859        // Bulk operations run against the entire set
860        if ( raw ) {
861          fn.call( elems, value );
862          fn = null;
863
864        // ...except when executing function values
865        } else {
866          bulk = fn;
867          fn = function( elem, key, value ) {
868            return bulk.call( jQuery( elem ), value );
869          };
870        }
871      }
872
873      if ( fn ) {
874        for ( ; i < length; i++ ) {
875          fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
876        }
877      }
878    }
879
880    return chainable ?
881      elems :
882
883      // Gets
884      bulk ?
885        fn.call( elems ) :
886        length ? fn( elems[0], key ) : emptyGet;
887  },
888
889  now: function() {
890    return ( new Date() ).getTime();
891  },
892
893  // A method for quickly swapping in/out CSS properties to get correct calculations.
894  // Note: this method belongs to the css module but it's needed here for the support module.
895  // If support gets modularized, this method should be moved back to the css module.
896  swap: function( elem, options, callback, args ) {
897    var ret, name,
898      old = {};
899
900    // Remember the old values, and insert the new ones
901    for ( name in options ) {
902      old[ name ] = elem.style[ name ];
903      elem.style[ name ] = options[ name ];
904    }
905
906    ret = callback.apply( elem, args || [] );
907
908    // Revert the old values
909    for ( name in options ) {
910      elem.style[ name ] = old[ name ];
911    }
912
913    return ret;
914  }
915});
916
917jQuery.ready.promise = function( obj ) {
918  if ( !readyList ) {
919
920    readyList = jQuery.Deferred();
921
922    // Catch cases where $(document).ready() is called after the browser event has already occurred.
923    // we once tried to use readyState "interactive" here, but it caused issues like the one
924    // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
925    if ( document.readyState === "complete" ) {
926      // Handle it asynchronously to allow scripts the opportunity to delay ready
927      setTimeout( jQuery.ready );
928
929    // Standards-based browsers support DOMContentLoaded
930    } else if ( document.addEventListener ) {
931      // Use the handy event callback
932      document.addEventListener( "DOMContentLoaded", completed, false );
933
934      // A fallback to window.onload, that will always work
935      window.addEventListener( "load", completed, false );
936
937    // If IE event model is used
938    } else {
939      // Ensure firing before onload, maybe late but safe also for iframes
940      document.attachEvent( "onreadystatechange", completed );
941
942      // A fallback to window.onload, that will always work
943      window.attachEvent( "onload", completed );
944
945      // If IE and not a frame
946      // continually check to see if the document is ready
947      var top = false;
948
949      try {
950        top = window.frameElement == null && document.documentElement;
951      } catch(e) {}
952
953      if ( top && top.doScroll ) {
954        (function doScrollCheck() {
955          if ( !jQuery.isReady ) {
956
957            try {
958              // Use the trick by Diego Perini
959              // http://javascript.nwbox.com/IEContentLoaded/
960              top.doScroll("left");
961            } catch(e) {
962              return setTimeout( doScrollCheck, 50 );
963            }
964
965            // detach all dom ready events
966            detach();
967
968            // and execute any waiting functions
969            jQuery.ready();
970          }
971        })();
972      }
973    }
974  }
975  return readyList.promise( obj );
976};
977
978// Populate the class2type map
979jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
980  class2type[ "[object " + name + "]" ] = name.toLowerCase();
981});
982
983function isArraylike( obj ) {
984  var length = obj.length,
985    type = jQuery.type( obj );
986
987  if ( jQuery.isWindow( obj ) ) {
988    return false;
989  }
990
991  if ( obj.nodeType === 1 && length ) {
992    return true;
993  }
994
995  return type === "array" || type !== "function" &&
996    ( length === 0 ||
997    typeof length === "number" && length > 0 && ( length - 1 ) in obj );
998}
999
1000// All jQuery objects should point back to these
1001rootjQuery = jQuery(document);
1002/*!
1003 * Sizzle CSS Selector Engine v1.10.2
1004 * http://sizzlejs.com/
1005 *
1006 * Copyright 2013 jQuery Foundation, Inc. and other contributors
1007 * Released under the MIT license
1008 * http://jquery.org/license
1009 *
1010 * Date: 2013-07-03
1011 */
1012(function( window, undefined ) {
1013
1014var i,
1015  support,
1016  cachedruns,
1017  Expr,
1018  getText,
1019  isXML,
1020  compile,
1021  outermostContext,
1022  sortInput,
1023
1024  // Local document vars
1025  setDocument,
1026  document,
1027  docElem,
1028  documentIsHTML,
1029  rbuggyQSA,
1030  rbuggyMatches,
1031  matches,
1032  contains,
1033
1034  // Instance-specific data
1035  expando = "sizzle" + -(new Date()),
1036  preferredDoc = window.document,
1037  dirruns = 0,
1038  done = 0,
1039  classCache = createCache(),
1040  tokenCache = createCache(),
1041  compilerCache = createCache(),
1042  hasDuplicate = false,
1043  sortOrder = function( a, b ) {
1044    if ( a === b ) {
1045      hasDuplicate = true;
1046      return 0;
1047    }
1048    return 0;
1049  },
1050
1051  // General-purpose constants
1052  strundefined = typeof undefined,
1053  MAX_NEGATIVE = 1 << 31,
1054
1055  // Instance methods
1056  hasOwn = ({}).hasOwnProperty,
1057  arr = [],
1058  pop = arr.pop,
1059  push_native = arr.push,
1060  push = arr.push,
1061  slice = arr.slice,
1062  // Use a stripped-down indexOf if we can't use a native one
1063  indexOf = arr.indexOf || function( elem ) {
1064    var i = 0,
1065      len = this.length;
1066    for ( ; i < len; i++ ) {
1067      if ( this[i] === elem ) {
1068        return i;
1069      }
1070    }
1071    return -1;
1072  },
1073
1074  booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
1075
1076  // Regular expressions
1077
1078  // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
1079  whitespace = "[\\x20\\t\\r\\n\\f]",
1080  // http://www.w3.org/TR/css3-syntax/#characters
1081  characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
1082
1083  // Loosely modeled on CSS identifier characters
1084  // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
1085  // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
1086  identifier = characterEncoding.replace( "w", "w#" ),
1087
1088  // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
1089  attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
1090    "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
1091
1092  // Prefer arguments quoted,
1093  //   then not containing pseudos/brackets,
1094  //   then attribute selectors/non-parenthetical expressions,
1095  //   then anything else
1096  // These preferences are here to reduce the number of selectors
1097  //   needing tokenize in the PSEUDO preFilter
1098  pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
1099
1100  // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
1101  rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
1102
1103  rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
1104  rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
1105
1106  rsibling = new RegExp( whitespace + "*[+~]" ),
1107  rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ),
1108
1109  rpseudo = new RegExp( pseudos ),
1110  ridentifier = new RegExp( "^" + identifier + "$" ),
1111
1112  matchExpr = {
1113    "ID": new RegExp( "^#(" + characterEncoding + ")" ),
1114    "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
1115    "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
1116    "ATTR": new RegExp( "^" + attributes ),
1117    "PSEUDO": new RegExp( "^" + pseudos ),
1118    "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
1119      "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
1120      "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
1121    "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
1122    // For use in libraries implementing .is()
1123    // We use this for POS matching in `select`
1124    "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
1125      whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
1126  },
1127
1128  rnative = /^[^{]+\{\s*\[native \w/,
1129
1130  // Easily-parseable/retrievable ID or TAG or CLASS selectors
1131  rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
1132
1133  rinputs = /^(?:input|select|textarea|button)$/i,
1134  rheader = /^h\d$/i,
1135
1136  rescape = /'|\\/g,
1137
1138  // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
1139  runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
1140  funescape = function( _, escaped, escapedWhitespace ) {
1141    var high = "0x" + escaped - 0x10000;
1142    // NaN means non-codepoint
1143    // Support: Firefox
1144    // Workaround erroneous numeric interpretation of +"0x"
1145    return high !== high || escapedWhitespace ?
1146      escaped :
1147      // BMP codepoint
1148      high < 0 ?
1149        String.fromCharCode( high + 0x10000 ) :
1150        // Supplemental Plane codepoint (surrogate pair)
1151        String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
1152  };
1153
1154// Optimize for push.apply( _, NodeList )
1155try {
1156  push.apply(
1157    (arr = slice.call( preferredDoc.childNodes )),
1158    preferredDoc.childNodes
1159  );
1160  // Support: Android<4.0
1161  // Detect silently failing push.apply
1162  arr[ preferredDoc.childNodes.length ].nodeType;
1163} catch ( e ) {
1164  push = { apply: arr.length ?
1165
1166    // Leverage slice if possible
1167    function( target, els ) {
1168      push_native.apply( target, slice.call(els) );
1169    } :
1170
1171    // Support: IE<9
1172    // Otherwise append directly
1173    function( target, els ) {
1174      var j = target.length,
1175        i = 0;
1176      // Can't trust NodeList.length
1177      while ( (target[j++] = els[i++]) ) {}
1178      target.length = j - 1;
1179    }
1180  };
1181}
1182
1183function Sizzle( selector, context, results, seed ) {
1184  var match, elem, m, nodeType,
1185    // QSA vars
1186    i, groups, old, nid, newContext, newSelector;
1187
1188  if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
1189    setDocument( context );
1190  }
1191
1192  context = context || document;
1193  results = results || [];
1194
1195  if ( !selector || typeof selector !== "string" ) {
1196    return results;
1197  }
1198
1199  if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
1200    return [];
1201  }
1202
1203  if ( documentIsHTML && !seed ) {
1204
1205    // Shortcuts
1206    if ( (match = rquickExpr.exec( selector )) ) {
1207      // Speed-up: Sizzle("#ID")
1208      if ( (m = match[1]) ) {
1209        if ( nodeType === 9 ) {
1210          elem = context.getElementById( m );
1211          // Check parentNode to catch when Blackberry 4.6 returns
1212          // nodes that are no longer in the document #6963
1213          if ( elem && elem.parentNode ) {
1214            // Handle the case where IE, Opera, and Webkit return items
1215            // by name instead of ID
1216            if ( elem.id === m ) {
1217              results.push( elem );
1218              return results;
1219            }
1220          } else {
1221            return results;
1222          }
1223        } else {
1224          // Context is not a document
1225          if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
1226            contains( context, elem ) && elem.id === m ) {
1227            results.push( elem );
1228            return results;
1229          }
1230        }
1231
1232      // Speed-up: Sizzle("TAG")
1233      } else if ( match[2] ) {
1234        push.apply( results, context.getElementsByTagName( selector ) );
1235        return results;
1236
1237      // Speed-up: Sizzle(".CLASS")
1238      } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
1239        push.apply( results, context.getElementsByClassName( m ) );
1240        return results;
1241      }
1242    }
1243
1244    // QSA path
1245    if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
1246      nid = old = expando;
1247      newContext = context;
1248      newSelector = nodeType === 9 && selector;
1249
1250      // qSA works strangely on Element-rooted queries
1251      // We can work around this by specifying an extra ID on the root
1252      // and working up from there (Thanks to Andrew Dupont for the technique)
1253      // IE 8 doesn't work on object elements
1254      if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
1255        groups = tokenize( selector );
1256
1257        if ( (old = context.getAttribute("id")) ) {
1258          nid = old.replace( rescape, "\\$&" );
1259        } else {
1260          context.setAttribute( "id", nid );
1261        }
1262        nid = "[id='" + nid + "'] ";
1263
1264        i = groups.length;
1265        while ( i-- ) {
1266          groups[i] = nid + toSelector( groups[i] );
1267        }
1268        newContext = rsibling.test( selector ) && context.parentNode || context;
1269        newSelector = groups.join(",");
1270      }
1271
1272      if ( newSelector ) {
1273        try {
1274          push.apply( results,
1275            newContext.querySelectorAll( newSelector )
1276          );
1277          return results;
1278        } catch(qsaError) {
1279        } finally {
1280          if ( !old ) {
1281            context.removeAttribute("id");
1282          }
1283        }
1284      }
1285    }
1286  }
1287
1288  // All others
1289  return select( selector.replace( rtrim, "$1" ), context, results, seed );
1290}
1291
1292/**
1293 * Create key-value caches of limited size
1294 * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
1295 *  property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
1296 *  deleting the oldest entry
1297 */
1298function createCache() {
1299  var keys = [];
1300
1301  function cache( key, value ) {
1302    // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
1303    if ( keys.push( key += " " ) > Expr.cacheLength ) {
1304      // Only keep the most recent entries
1305      delete cache[ keys.shift() ];
1306    }
1307    return (cache[ key ] = value);
1308  }
1309  return cache;
1310}
1311
1312/**
1313 * Mark a function for special use by Sizzle
1314 * @param {Function} fn The function to mark
1315 */
1316function markFunction( fn ) {
1317  fn[ expando ] = true;
1318  return fn;
1319}
1320
1321/**
1322 * Support testing using an element
1323 * @param {Function} fn Passed the created div and expects a boolean result
1324 */
1325function assert( fn ) {
1326  var div = document.createElement("div");
1327
1328  try {
1329    return !!fn( div );
1330  } catch (e) {
1331    return false;
1332  } finally {
1333    // Remove from its parent by default
1334    if ( div.parentNode ) {
1335      div.parentNode.removeChild( div );
1336    }
1337    // release memory in IE
1338    div = null;
1339  }
1340}
1341
1342/**
1343 * Adds the same handler for all of the specified attrs
1344 * @param {String} attrs Pipe-separated list of attributes
1345 * @param {Function} handler The method that will be applied
1346 */
1347function addHandle( attrs, handler ) {
1348  var arr = attrs.split("|"),
1349    i = attrs.length;
1350
1351  while ( i-- ) {
1352    Expr.attrHandle[ arr[i] ] = handler;
1353  }
1354}
1355
1356/**
1357 * Checks document order of two siblings
1358 * @param {Element} a
1359 * @param {Element} b
1360 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
1361 */
1362function siblingCheck( a, b ) {
1363  var cur = b && a,
1364    diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
1365      ( ~b.sourceIndex || MAX_NEGATIVE ) -
1366      ( ~a.sourceIndex || MAX_NEGATIVE );
1367
1368  // Use IE sourceIndex if available on both nodes
1369  if ( diff ) {
1370    return diff;
1371  }
1372
1373  // Check if b follows a
1374  if ( cur ) {
1375    while ( (cur = cur.nextSibling) ) {
1376      if ( cur === b ) {
1377        return -1;
1378      }
1379    }
1380  }
1381
1382  return a ? 1 : -1;
1383}
1384
1385/**
1386 * Returns a function to use in pseudos for input types
1387 * @param {String} type
1388 */
1389function createInputPseudo( type ) {
1390  return function( elem ) {
1391    var name = elem.nodeName.toLowerCase();
1392    return name === "input" && elem.type === type;
1393  };
1394}
1395
1396/**
1397 * Returns a function to use in pseudos for buttons
1398 * @param {String} type
1399 */
1400function createButtonPseudo( type ) {
1401  return function( elem ) {
1402    var name = elem.nodeName.toLowerCase();
1403    return (name === "input" || name === "button") && elem.type === type;
1404  };
1405}
1406
1407/**
1408 * Returns a function to use in pseudos for positionals
1409 * @param {Function} fn
1410 */
1411function createPositionalPseudo( fn ) {
1412  return markFunction(function( argument ) {
1413    argument = +argument;
1414    return markFunction(function( seed, matches ) {
1415      var j,
1416        matchIndexes = fn( [], seed.length, argument ),
1417        i = matchIndexes.length;
1418
1419      // Match elements found at the specified indexes
1420      while ( i-- ) {
1421        if ( seed[ (j = matchIndexes[i]) ] ) {
1422          seed[j] = !(matches[j] = seed[j]);
1423        }
1424      }
1425    });
1426  });
1427}
1428
1429/**
1430 * Detect xml
1431 * @param {Element|Object} elem An element or a document
1432 */
1433isXML = Sizzle.isXML = function( elem ) {
1434  // documentElement is verified for cases where it doesn't yet exist
1435  // (such as loading iframes in IE - #4833)
1436  var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1437  return documentElement ? documentElement.nodeName !== "HTML" : false;
1438};
1439
1440// Expose support vars for convenience
1441support = Sizzle.support = {};
1442
1443/**
1444 * Sets document-related variables once based on the current document
1445 * @param {Element|Object} [doc] An element or document object to use to set the document
1446 * @returns {Object} Returns the current document
1447 */
1448setDocument = Sizzle.setDocument = function( node ) {
1449  var doc = node ? node.ownerDocument || node : preferredDoc,
1450    parent = doc.defaultView;
1451
1452  // If no document and documentElement is available, return
1453  if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1454    return document;
1455  }
1456
1457  // Set our document
1458  document = doc;
1459  docElem = doc.documentElement;
1460
1461  // Support tests
1462  documentIsHTML = !isXML( doc );
1463
1464  // Support: IE>8
1465  // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1466  // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1467  // IE6-8 do not support the defaultView property so parent will be undefined
1468  if ( parent && parent.attachEvent && parent !== parent.top ) {
1469    parent.attachEvent( "onbeforeunload", function() {
1470      setDocument();
1471    });
1472  }
1473
1474  /* Attributes
1475  ---------------------------------------------------------------------- */
1476
1477  // Support: IE<8
1478  // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
1479  support.attributes = assert(function( div ) {
1480    div.className = "i";
1481    return !div.getAttribute("className");
1482  });
1483
1484  /* getElement(s)By*
1485  ---------------------------------------------------------------------- */
1486
1487  // Check if getElementsByTagName("*") returns only elements
1488  support.getElementsByTagName = assert(function( div ) {
1489    div.appendChild( doc.createComment("") );
1490    return !div.getElementsByTagName("*").length;
1491  });
1492
1493  // Check if getElementsByClassName can be trusted
1494  support.getElementsByClassName = assert(function( div ) {
1495    div.innerHTML = "<div class='a'></div><div class='a i'></div>";
1496
1497    // Support: Safari<4
1498    // Catch class over-caching
1499    div.firstChild.className = "i";
1500    // Support: Opera<10
1501    // Catch gEBCN failure to find non-leading classes
1502    return div.getElementsByClassName("i").length === 2;
1503  });
1504
1505  // Support: IE<10
1506  // Check if getElementById returns elements by name
1507  // The broken getElementById methods don't pick up programatically-set names,
1508  // so use a roundabout getElementsByName test
1509  support.getById = assert(function( div ) {
1510    docElem.appendChild( div ).id = expando;
1511    return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1512  });
1513
1514  // ID find and filter
1515  if ( support.getById ) {
1516    Expr.find["ID"] = function( id, context ) {
1517      if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
1518        var m = context.getElementById( id );
1519        // Check parentNode to catch when Blackberry 4.6 returns
1520        // nodes that are no longer in the document #6963
1521        return m && m.parentNode ? [m] : [];
1522      }
1523    };
1524    Expr.filter["ID"] = function( id ) {
1525      var attrId = id.replace( runescape, funescape );
1526      return function( elem ) {
1527        return elem.getAttribute("id") === attrId;
1528      };
1529    };
1530  } else {
1531    // Support: IE6/7
1532    // getElementById is not reliable as a find shortcut
1533    delete Expr.find["ID"];
1534
1535    Expr.filter["ID"] =  function( id ) {
1536      var attrId = id.replace( runescape, funescape );
1537      return function( elem ) {
1538        var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
1539        return node && node.value === attrId;
1540      };
1541    };
1542  }
1543
1544  // Tag
1545  Expr.find["TAG"] = support.getElementsByTagName ?
1546    function( tag, context ) {
1547      if ( typeof context.getElementsByTagName !== strundefined ) {
1548        return context.getElementsByTagName( tag );
1549      }
1550    } :
1551    function( tag, context ) {
1552      var elem,
1553        tmp = [],
1554        i = 0,
1555        results = context.getElementsByTagName( tag );
1556
1557      // Filter out possible comments
1558      if ( tag === "*" ) {
1559        while ( (elem = results[i++]) ) {
1560          if ( elem.nodeType === 1 ) {
1561            tmp.push( elem );
1562          }
1563        }
1564
1565        return tmp;
1566      }
1567      return results;
1568    };
1569
1570  // Class
1571  Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1572    if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
1573      return context.getElementsByClassName( className );
1574    }
1575  };
1576
1577  /* QSA/matchesSelector
1578  ---------------------------------------------------------------------- */
1579
1580  // QSA and matchesSelector support
1581
1582  // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1583  rbuggyMatches = [];
1584
1585  // qSa(:focus) reports false when true (Chrome 21)
1586  // We allow this because of a bug in IE8/9 that throws an error
1587  // whenever `document.activeElement` is accessed on an iframe
1588  // So, we allow :focus to pass through QSA all the time to avoid the IE error
1589  // See http://bugs.jquery.com/ticket/13378
1590  rbuggyQSA = [];
1591
1592  if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1593    // Build QSA regex
1594    // Regex strategy adopted from Diego Perini
1595    assert(function( div ) {
1596      // Select is set to empty string on purpose
1597      // This is to test IE's treatment of not explicitly
1598      // setting a boolean content attribute,
1599      // since its presence should be enough
1600      // http://bugs.jquery.com/ticket/12359
1601      div.innerHTML = "<select><option selected=''></option></select>";
1602
1603      // Support: IE8
1604      // Boolean attributes and "value" are not treated correctly
1605      if ( !div.querySelectorAll("[selected]").length ) {
1606        rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1607      }
1608
1609      // Webkit/Opera - :checked should return selected option elements
1610      // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1611      // IE8 throws error here and will not see later tests
1612      if ( !div.querySelectorAll(":checked").length ) {
1613        rbuggyQSA.push(":checked");
1614      }
1615    });
1616
1617    assert(function( div ) {
1618
1619      // Support: Opera 10-12/IE8
1620      // ^= $= *= and empty values
1621      // Should not select anything
1622      // Support: Windows 8 Native Apps
1623      // The type attribute is restricted during .innerHTML assignment
1624      var input = doc.createElement("input");
1625      input.setAttribute( "type", "hidden" );
1626      div.appendChild( input ).setAttribute( "t", "" );
1627
1628      if ( div.querySelectorAll("[t^='']").length ) {
1629        rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1630      }
1631
1632      // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1633      // IE8 throws error here and will not see later tests
1634      if ( !div.querySelectorAll(":enabled").length ) {
1635        rbuggyQSA.push( ":enabled", ":disabled" );
1636      }
1637
1638      // Opera 10-11 does not throw on post-comma invalid pseudos
1639      div.querySelectorAll("*,:x");
1640      rbuggyQSA.push(",.*:");
1641    });
1642  }
1643
1644  if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
1645    docElem.mozMatchesSelector ||
1646    docElem.oMatchesSelector ||
1647    docElem.msMatchesSelector) )) ) {
1648
1649    assert(function( div ) {
1650      // Check to see if it's possible to do matchesSelector
1651      // on a disconnected node (IE 9)
1652      support.disconnectedMatch = matches.call( div, "div" );
1653
1654      // This should fail with an exception
1655      // Gecko does not error, returns false instead
1656      matches.call( div, "[s!='']:x" );
1657      rbuggyMatches.push( "!=", pseudos );
1658    });
1659  }
1660
1661  rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1662  rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1663
1664  /* Contains
1665  ---------------------------------------------------------------------- */
1666
1667  // Element contains another
1668  // Purposefully does not implement inclusive descendent
1669  // As in, an element does not contain itself
1670  contains = rnative.test( docElem.contains ) || docElem.compareDocumentPosition ?
1671    function( a, b ) {
1672      var adown = a.nodeType === 9 ? a.documentElement : a,
1673        bup = b && b.parentNode;
1674      return a === bup || !!( bup && bup.nodeType === 1 && (
1675        adown.contains ?
1676          adown.contains( bup ) :
1677          a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1678      ));
1679    } :
1680    function( a, b ) {
1681      if ( b ) {
1682        while ( (b = b.parentNode) ) {
1683          if ( b === a ) {
1684            return true;
1685          }
1686        }
1687      }
1688      return false;
1689    };
1690
1691  /* Sorting
1692  ---------------------------------------------------------------------- */
1693
1694  // Document order sorting
1695  sortOrder = docElem.compareDocumentPosition ?
1696  function( a, b ) {
1697
1698    // Flag for duplicate removal
1699    if ( a === b ) {
1700      hasDuplicate = true;
1701      return 0;
1702    }
1703
1704    var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b );
1705
1706    if ( compare ) {
1707      // Disconnected nodes
1708      if ( compare & 1 ||
1709        (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1710
1711        // Choose the first element that is related to our preferred document
1712        if ( a === doc || contains(preferredDoc, a) ) {
1713          return -1;
1714        }
1715        if ( b === doc || contains(preferredDoc, b) ) {
1716          return 1;
1717        }
1718
1719        // Maintain original order
1720        return sortInput ?
1721          ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1722          0;
1723      }
1724
1725      return compare & 4 ? -1 : 1;
1726    }
1727
1728    // Not directly comparable, sort on existence of method
1729    return a.compareDocumentPosition ? -1 : 1;
1730  } :
1731  function( a, b ) {
1732    var cur,
1733      i = 0,
1734      aup = a.parentNode,
1735      bup = b.parentNode,
1736      ap = [ a ],
1737      bp = [ b ];
1738
1739    // Exit early if the nodes are identical
1740    if ( a === b ) {
1741      hasDuplicate = true;
1742      return 0;
1743
1744    // Parentless nodes are either documents or disconnected
1745    } else if ( !aup || !bup ) {
1746      return a === doc ? -1 :
1747        b === doc ? 1 :
1748        aup ? -1 :
1749        bup ? 1 :
1750        sortInput ?
1751        ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1752        0;
1753
1754    // If the nodes are siblings, we can do a quick check
1755    } else if ( aup === bup ) {
1756      return siblingCheck( a, b );
1757    }
1758
1759    // Otherwise we need full lists of their ancestors for comparison
1760    cur = a;
1761    while ( (cur = cur.parentNode) ) {
1762      ap.unshift( cur );
1763    }
1764    cur = b;
1765    while ( (cur = cur.parentNode) ) {
1766      bp.unshift( cur );
1767    }
1768
1769    // Walk down the tree looking for a discrepancy
1770    while ( ap[i] === bp[i] ) {
1771      i++;
1772    }
1773
1774    return i ?
1775      // Do a sibling check if the nodes have a common ancestor
1776      siblingCheck( ap[i], bp[i] ) :
1777
1778      // Otherwise nodes in our document sort first
1779      ap[i] === preferredDoc ? -1 :
1780      bp[i] === preferredDoc ? 1 :
1781      0;
1782  };
1783
1784  return doc;
1785};
1786
1787Sizzle.matches = function( expr, elements ) {
1788  return Sizzle( expr, null, null, elements );
1789};
1790
1791Sizzle.matchesSelector = function( elem, expr ) {
1792  // Set document vars if needed
1793  if ( ( elem.ownerDocument || elem ) !== document ) {
1794    setDocument( elem );
1795  }
1796
1797  // Make sure that attribute selectors are quoted
1798  expr = expr.replace( rattributeQuotes, "='$1']" );
1799
1800  if ( support.matchesSelector && documentIsHTML &&
1801    ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1802    ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1803
1804    try {
1805      var ret = matches.call( elem, expr );
1806
1807      // IE 9's matchesSelector returns false on disconnected nodes
1808      if ( ret || support.disconnectedMatch ||
1809          // As well, disconnected nodes are said to be in a document
1810          // fragment in IE 9
1811          elem.document && elem.document.nodeType !== 11 ) {
1812        return ret;
1813      }
1814    } catch(e) {}
1815  }
1816
1817  return Sizzle( expr, document, null, [elem] ).length > 0;
1818};
1819
1820Sizzle.contains = function( context, elem ) {
1821  // Set document vars if needed
1822  if ( ( context.ownerDocument || context ) !== document ) {
1823    setDocument( context );
1824  }
1825  return contains( context, elem );
1826};
1827
1828Sizzle.attr = function( elem, name ) {
1829  // Set document vars if needed
1830  if ( ( elem.ownerDocument || elem ) !== document ) {
1831    setDocument( elem );
1832  }
1833
1834  var fn = Expr.attrHandle[ name.toLowerCase() ],
1835    // Don't get fooled by Object.prototype properties (jQuery #13807)
1836    val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1837      fn( elem, name, !documentIsHTML ) :
1838      undefined;
1839
1840  return val === undefined ?
1841    support.attributes || !documentIsHTML ?
1842      elem.getAttribute( name ) :
1843      (val = elem.getAttributeNode(name)) && val.specified ?
1844        val.value :
1845        null :
1846    val;
1847};
1848
1849Sizzle.error = function( msg ) {
1850  throw new Error( "Syntax error, unrecognized expression: " + msg );
1851};
1852
1853/**
1854 * Document sorting and removing duplicates
1855 * @param {ArrayLike} results
1856 */
1857Sizzle.uniqueSort = function( results ) {
1858  var elem,
1859    duplicates = [],
1860    j = 0,
1861    i = 0;
1862
1863  // Unless we *know* we can detect duplicates, assume their presence
1864  hasDuplicate = !support.detectDuplicates;
1865  sortInput = !support.sortStable && results.slice( 0 );
1866  results.sort( sortOrder );
1867
1868  if ( hasDuplicate ) {
1869    while ( (elem = results[i++]) ) {
1870      if ( elem === results[ i ] ) {
1871        j = duplicates.push( i );
1872      }
1873    }
1874    while ( j-- ) {
1875      results.splice( duplicates[ j ], 1 );
1876    }
1877  }
1878
1879  return results;
1880};
1881
1882/**
1883 * Utility function for retrieving the text value of an array of DOM nodes
1884 * @param {Array|Element} elem
1885 */
1886getText = Sizzle.getText = function( elem ) {
1887  var node,
1888    ret = "",
1889    i = 0,
1890    nodeType = elem.nodeType;
1891
1892  if ( !nodeType ) {
1893    // If no nodeType, this is expected to be an array
1894    for ( ; (node = elem[i]); i++ ) {
1895      // Do not traverse comment nodes
1896      ret += getText( node );
1897    }
1898  } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1899    // Use textContent for elements
1900    // innerText usage removed for consistency of new lines (see #11153)
1901    if ( typeof elem.textContent === "string" ) {
1902      return elem.textContent;
1903    } else {
1904      // Traverse its children
1905      for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1906        ret += getText( elem );
1907      }
1908    }
1909  } else if ( nodeType === 3 || nodeType === 4 ) {
1910    return elem.nodeValue;
1911  }
1912  // Do not include comment or processing instruction nodes
1913
1914  return ret;
1915};
1916
1917Expr = Sizzle.selectors = {
1918
1919  // Can be adjusted by the user
1920  cacheLength: 50,
1921
1922  createPseudo: markFunction,
1923
1924  match: matchExpr,
1925
1926  attrHandle: {},
1927
1928  find: {},
1929
1930  relative: {
1931    ">": { dir: "parentNode", first: true },
1932    " ": { dir: "parentNode" },
1933    "+": { dir: "previousSibling", first: true },
1934    "~": { dir: "previousSibling" }
1935  },
1936
1937  preFilter: {
1938    "ATTR": function( match ) {
1939      match[1] = match[1].replace( runescape, funescape );
1940
1941      // Move the given value to match[3] whether quoted or unquoted
1942      match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
1943
1944      if ( match[2] === "~=" ) {
1945        match[3] = " " + match[3] + " ";
1946      }
1947
1948      return match.slice( 0, 4 );
1949    },
1950
1951    "CHILD": function( match ) {
1952      /* matches from matchExpr["CHILD"]
1953        1 type (only|nth|...)
1954        2 what (child|of-type)
1955        3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1956        4 xn-component of xn+y argument ([+-]?\d*n|)
1957        5 sign of xn-component
1958        6 x of xn-component
1959        7 sign of y-component
1960        8 y of y-component
1961      */
1962      match[1] = match[1].toLowerCase();
1963
1964      if ( match[1].slice( 0, 3 ) === "nth" ) {
1965        // nth-* requires argument
1966        if ( !match[3] ) {
1967          Sizzle.error( match[0] );
1968        }
1969
1970        // numeric x and y parameters for Expr.filter.CHILD
1971        // remember that false/true cast respectively to 0/1
1972        match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1973        match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1974
1975      // other types prohibit arguments
1976      } else if ( match[3] ) {
1977        Sizzle.error( match[0] );
1978      }
1979
1980      return match;
1981    },
1982
1983    "PSEUDO": function( match ) {
1984      var excess,
1985        unquoted = !match[5] && match[2];
1986
1987      if ( matchExpr["CHILD"].test( match[0] ) ) {
1988        return null;
1989      }
1990
1991      // Accept quoted arguments as-is
1992      if ( match[3] && match[4] !== undefined ) {
1993        match[2] = match[4];
1994
1995      // Strip excess characters from unquoted arguments
1996      } else if ( unquoted && rpseudo.test( unquoted ) &&
1997        // Get excess from tokenize (recursively)
1998        (excess = tokenize( unquoted, true )) &&
1999        // advance to the next closing parenthesis
2000        (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
2001
2002        // excess is a negative index
2003        match[0] = match[0].slice( 0, excess );
2004        match[2] = unquoted.slice( 0, excess );
2005      }
2006
2007      // Return only captures needed by the pseudo filter method (type and argument)
2008      return match.slice( 0, 3 );
2009    }
2010  },
2011
2012  filter: {
2013
2014    "TAG": function( nodeNameSelector ) {
2015      var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
2016      return nodeNameSelector === "*" ?
2017        function() { return true; } :
2018        function( elem ) {
2019          return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
2020        };
2021    },
2022
2023    "CLASS": function( className ) {
2024      var pattern = classCache[ className + " " ];
2025
2026      return pattern ||
2027        (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
2028        classCache( className, function( elem ) {
2029          return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
2030        });
2031    },
2032
2033    "ATTR": function( name, operator, check ) {
2034      return function( elem ) {
2035        var result = Sizzle.attr( elem, name );
2036
2037        if ( result == null ) {
2038          return operator === "!=";
2039        }
2040        if ( !operator ) {
2041          return true;
2042        }
2043
2044        result += "";
2045
2046        return operator === "=" ? result === check :
2047          operator === "!=" ? result !== check :
2048          operator === "^=" ? check && result.indexOf( check ) === 0 :
2049          operator === "*=" ? check && result.indexOf( check ) > -1 :
2050          operator === "$=" ? check && result.slice( -check.length ) === check :
2051          operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
2052          operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
2053          false;
2054      };
2055    },
2056
2057    "CHILD": function( type, what, argument, first, last ) {
2058      var simple = type.slice( 0, 3 ) !== "nth",
2059        forward = type.slice( -4 ) !== "last",
2060        ofType = what === "of-type";
2061
2062      return first === 1 && last === 0 ?
2063
2064        // Shortcut for :nth-*(n)
2065        function( elem ) {
2066          return !!elem.parentNode;
2067        } :
2068
2069        function( elem, context, xml ) {
2070          var cache, outerCache, node, diff, nodeIndex, start,
2071            dir = simple !== forward ? "nextSibling" : "previousSibling",
2072            parent = elem.parentNode,
2073            name = ofType && elem.nodeName.toLowerCase(),
2074            useCache = !xml && !ofType;
2075
2076          if ( parent ) {
2077
2078            // :(first|last|only)-(child|of-type)
2079            if ( simple ) {
2080              while ( dir ) {
2081                node = elem;
2082                while ( (node = node[ dir ]) ) {
2083                  if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
2084                    return false;
2085                  }
2086                }
2087                // Reverse direction for :only-* (if we haven't yet done so)
2088                start = dir = type === "only" && !start && "nextSibling";
2089              }
2090              return true;
2091            }
2092
2093            start = [ forward ? parent.firstChild : parent.lastChild ];
2094
2095            // non-xml :nth-child(...) stores cache data on `parent`
2096            if ( forward && useCache ) {
2097              // Seek `elem` from a previously-cached index
2098              outerCache = parent[ expando ] || (parent[ expando ] = {});
2099              cache = outerCache[ type ] || [];
2100              nodeIndex = cache[0] === dirruns && cache[1];
2101              diff = cache[0] === dirruns && cache[2];
2102              node = nodeIndex && parent.childNodes[ nodeIndex ];
2103
2104              while ( (node = ++nodeIndex && node && node[ dir ] ||
2105
2106                // Fallback to seeking `elem` from the start
2107                (diff = nodeIndex = 0) || start.pop()) ) {
2108
2109                // When found, cache indexes on `parent` and break
2110                if ( node.nodeType === 1 && ++diff && node === elem ) {
2111                  outerCache[ type ] = [ dirruns, nodeIndex, diff ];
2112                  break;
2113                }
2114              }
2115
2116            // Use previously-cached element index if available
2117            } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
2118              diff = cache[1];
2119
2120            // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
2121            } else {
2122              // Use the same loop as above to seek `elem` from the start
2123              while ( (node = ++nodeIndex && node && node[ dir ] ||
2124                (diff = nodeIndex = 0) || start.pop()) ) {
2125
2126                if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
2127                  // Cache the index of each encountered element
2128                  if ( useCache ) {
2129                    (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
2130                  }
2131
2132                  if ( node === elem ) {
2133                    break;
2134                  }
2135                }
2136              }
2137            }
2138
2139            // Incorporate the offset, then check against cycle size
2140            diff -= last;
2141            return diff === first || ( diff % first === 0 && diff / first >= 0 );
2142          }
2143        };
2144    },
2145
2146    "PSEUDO": function( pseudo, argument ) {
2147      // pseudo-class names are case-insensitive
2148      // http://www.w3.org/TR/selectors/#pseudo-classes
2149      // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2150      // Remember that setFilters inherits from pseudos
2151      var args,
2152        fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2153          Sizzle.error( "unsupported pseudo: " + pseudo );
2154
2155      // The user may use createPseudo to indicate that
2156      // arguments are needed to create the filter function
2157      // just as Sizzle does
2158      if ( fn[ expando ] ) {
2159        return fn( argument );
2160      }
2161
2162      // But maintain support for old signatures
2163      if ( fn.length > 1 ) {
2164        args = [ pseudo, pseudo, "", argument ];
2165        return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2166          markFunction(function( seed, matches ) {
2167            var idx,
2168              matched = fn( seed, argument ),
2169              i = matched.length;
2170            while ( i-- ) {
2171              idx = indexOf.call( seed, matched[i] );
2172              seed[ idx ] = !( matches[ idx ] = matched[i] );
2173            }
2174          }) :
2175          function( elem ) {
2176            return fn( elem, 0, args );
2177          };
2178      }
2179
2180      return fn;
2181    }
2182  },
2183
2184  pseudos: {
2185    // Potentially complex pseudos
2186    "not": markFunction(function( selector ) {
2187      // Trim the selector passed to compile
2188      // to avoid treating leading and trailing
2189      // spaces as combinators
2190      var input = [],
2191        results = [],
2192        matcher = compile( selector.replace( rtrim, "$1" ) );
2193
2194      return matcher[ expando ] ?
2195        markFunction(function( seed, matches, context, xml ) {
2196          var elem,
2197            unmatched = matcher( seed, null, xml, [] ),
2198            i = seed.length;
2199
2200          // Match elements unmatched by `matcher`
2201          while ( i-- ) {
2202            if ( (elem = unmatched[i]) ) {
2203              seed[i] = !(matches[i] = elem);
2204            }
2205          }
2206        }) :
2207        function( elem, context, xml ) {
2208          input[0] = elem;
2209          matcher( input, null, xml, results );
2210          return !results.pop();
2211        };
2212    }),
2213
2214    "has": markFunction(function( selector ) {
2215      return function( elem ) {
2216        return Sizzle( selector, elem ).length > 0;
2217      };
2218    }),
2219
2220    "contains": markFunction(function( text ) {
2221      return function( elem ) {
2222        return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
2223      };
2224    }),
2225
2226    // "Whether an element is represented by a :lang() selector
2227    // is based solely on the element's language value
2228    // being equal to the identifier C,
2229    // or beginning with the identifier C immediately followed by "-".
2230    // The matching of C against the element's language value is performed case-insensitively.
2231    // The identifier C does not have to be a valid language name."
2232    // http://www.w3.org/TR/selectors/#lang-pseudo
2233    "lang": markFunction( function( lang ) {
2234      // lang value must be a valid identifier
2235      if ( !ridentifier.test(lang || "") ) {
2236        Sizzle.error( "unsupported lang: " + lang );
2237      }
2238      lang = lang.replace( runescape, funescape ).toLowerCase();
2239      return function( elem ) {
2240        var elemLang;
2241        do {
2242          if ( (elemLang = documentIsHTML ?
2243            elem.lang :
2244            elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2245
2246            elemLang = elemLang.toLowerCase();
2247            return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2248          }
2249        } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2250        return false;
2251      };
2252    }),
2253
2254    // Miscellaneous
2255    "target": function( elem ) {
2256      var hash = window.location && window.location.hash;
2257      return hash && hash.slice( 1 ) === elem.id;
2258    },
2259
2260    "root": function( elem ) {
2261      return elem === docElem;
2262    },
2263
2264    "focus": function( elem ) {
2265      return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2266    },
2267
2268    // Boolean properties
2269    "enabled": function( elem ) {
2270      return elem.disabled === false;
2271    },
2272
2273    "disabled": function( elem ) {
2274      return elem.disabled === true;
2275    },
2276
2277    "checked": function( elem ) {
2278      // In CSS3, :checked should return both checked and selected elements
2279      // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2280      var nodeName = elem.nodeName.toLowerCase();
2281      return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2282    },
2283
2284    "selected": function( elem ) {
2285      // Accessing this property makes selected-by-default
2286      // options in Safari work properly
2287      if ( elem.parentNode ) {
2288        elem.parentNode.selectedIndex;
2289      }
2290
2291      return elem.selected === true;
2292    },
2293
2294    // Contents
2295    "empty": function( elem ) {
2296      // http://www.w3.org/TR/selectors/#empty-pseudo
2297      // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
2298      //   not comment, processing instructions, or others
2299      // Thanks to Diego Perini for the nodeName shortcut
2300      //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
2301      for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2302        if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
2303          return false;
2304        }
2305      }
2306      return true;
2307    },
2308
2309    "parent": function( elem ) {
2310      return !Expr.pseudos["empty"]( elem );
2311    },
2312
2313    // Element/input types
2314    "header": function( elem ) {
2315      return rheader.test( elem.nodeName );
2316    },
2317
2318    "input": function( elem ) {
2319      return rinputs.test( elem.nodeName );
2320    },
2321
2322    "button": function( elem ) {
2323      var name = elem.nodeName.toLowerCase();
2324      return name === "input" && elem.type === "button" || name === "button";
2325    },
2326
2327    "text": function( elem ) {
2328      var attr;
2329      // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
2330      // use getAttribute instead to test this case
2331      return elem.nodeName.toLowerCase() === "input" &&
2332        elem.type === "text" &&
2333        ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
2334    },
2335
2336    // Position-in-collection
2337    "first": createPositionalPseudo(function() {
2338      return [ 0 ];
2339    }),
2340
2341    "last": createPositionalPseudo(function( matchIndexes, length ) {
2342      return [ length - 1 ];
2343    }),
2344
2345    "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2346      return [ argument < 0 ? argument + length : argument ];
2347    }),
2348
2349    "even": createPositionalPseudo(function( matchIndexes, length ) {
2350      var i = 0;
2351      for ( ; i < length; i += 2 ) {
2352        matchIndexes.push( i );
2353      }
2354      return matchIndexes;
2355    }),
2356
2357    "odd": createPositionalPseudo(function( matchIndexes, length ) {
2358      var i = 1;
2359      for ( ; i < length; i += 2 ) {
2360        matchIndexes.push( i );
2361      }
2362      return matchIndexes;
2363    }),
2364
2365    "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2366      var i = argument < 0 ? argument + length : argument;
2367      for ( ; --i >= 0; ) {
2368        matchIndexes.push( i );
2369      }
2370      return matchIndexes;
2371    }),
2372
2373    "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2374      var i = argument < 0 ? argument + length : argument;
2375      for ( ; ++i < length; ) {
2376        matchIndexes.push( i );
2377      }
2378      return matchIndexes;
2379    })
2380  }
2381};
2382
2383Expr.pseudos["nth"] = Expr.pseudos["eq"];
2384
2385// Add button/input type pseudos
2386for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2387  Expr.pseudos[ i ] = createInputPseudo( i );
2388}
2389for ( i in { submit: true, reset: true } ) {
2390  Expr.pseudos[ i ] = createButtonPseudo( i );
2391}
2392
2393// Easy API for creating new setFilters
2394function setFilters() {}
2395setFilters.prototype = Expr.filters = Expr.pseudos;
2396Expr.setFilters = new setFilters();
2397
2398function tokenize( selector, parseOnly ) {
2399  var matched, match, tokens, type,
2400    soFar, groups, preFilters,
2401    cached = tokenCache[ selector + " " ];
2402
2403  if ( cached ) {
2404    return parseOnly ? 0 : cached.slice( 0 );
2405  }
2406
2407  soFar = selector;
2408  groups = [];
2409  preFilters = Expr.preFilter;
2410
2411  while ( soFar ) {
2412
2413    // Comma and first run
2414    if ( !matched || (match = rcomma.exec( soFar )) ) {
2415      if ( match ) {
2416        // Don't consume trailing commas as valid
2417        soFar = soFar.slice( match[0].length ) || soFar;
2418      }
2419      groups.push( tokens = [] );
2420    }
2421
2422    matched = false;
2423
2424    // Combinators
2425    if ( (match = rcombinators.exec( soFar )) ) {
2426      matched = match.shift();
2427      tokens.push({
2428        value: matched,
2429        // Cast descendant combinators to space
2430        type: match[0].replace( rtrim, " " )
2431      });
2432      soFar = soFar.slice( matched.length );
2433    }
2434
2435    // Filters
2436    for ( type in Expr.filter ) {
2437      if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2438        (match = preFilters[ type ]( match ))) ) {
2439        matched = match.shift();
2440        tokens.push({
2441          value: matched,
2442          type: type,
2443          matches: match
2444        });
2445        soFar = soFar.slice( matched.length );
2446      }
2447    }
2448
2449    if ( !matched ) {
2450      break;
2451    }
2452  }
2453
2454  // Return the length of the invalid excess
2455  // if we're just parsing
2456  // Otherwise, throw an error or return tokens
2457  return parseOnly ?
2458    soFar.length :
2459    soFar ?
2460      Sizzle.error( selector ) :
2461      // Cache the tokens
2462      tokenCache( selector, groups ).slice( 0 );
2463}
2464
2465function toSelector( tokens ) {
2466  var i = 0,
2467    len = tokens.length,
2468    selector = "";
2469  for ( ; i < len; i++ ) {
2470    selector += tokens[i].value;
2471  }
2472  return selector;
2473}
2474
2475function addCombinator( matcher, combinator, base ) {
2476  var dir = combinator.dir,
2477    checkNonElements = base && dir === "parentNode",
2478    doneName = done++;
2479
2480  return combinator.first ?
2481    // Check against closest ancestor/preceding element
2482    function( elem, context, xml ) {
2483      while ( (elem = elem[ dir ]) ) {
2484        if ( elem.nodeType === 1 || checkNonElements ) {
2485          return matcher( elem, context, xml );
2486        }
2487      }
2488    } :
2489
2490    // Check against all ancestor/preceding elements
2491    function( elem, context, xml ) {
2492      var data, cache, outerCache,
2493        dirkey = dirruns + " " + doneName;
2494
2495      // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2496      if ( xml ) {
2497        while ( (elem = elem[ dir ]) ) {
2498          if ( elem.nodeType === 1 || checkNonElements ) {
2499            if ( matcher( elem, context, xml ) ) {
2500              return true;
2501            }
2502          }
2503        }
2504      } else {
2505        while ( (elem = elem[ dir ]) ) {
2506          if ( elem.nodeType === 1 || checkNonElements ) {
2507            outerCache = elem[ expando ] || (elem[ expando ] = {});
2508            if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
2509              if ( (data = cache[1]) === true || data === cachedruns ) {
2510                return data === true;
2511              }
2512            } else {
2513              cache = outerCache[ dir ] = [ dirkey ];
2514              cache[1] = matcher( elem, context, xml ) || cachedruns;
2515              if ( cache[1] === true ) {
2516                return true;
2517              }
2518            }
2519          }
2520        }
2521      }
2522    };
2523}
2524
2525function elementMatcher( matchers ) {
2526  return matchers.length > 1 ?
2527    function( elem, context, xml ) {
2528      var i = matchers.length;
2529      while ( i-- ) {
2530        if ( !matchers[i]( elem, context, xml ) ) {
2531          return false;
2532        }
2533      }
2534      return true;
2535    } :
2536    matchers[0];
2537}
2538
2539function condense( unmatched, map, filter, context, xml ) {
2540  var elem,
2541    newUnmatched = [],
2542    i = 0,
2543    len = unmatched.length,
2544    mapped = map != null;
2545
2546  for ( ; i < len; i++ ) {
2547    if ( (elem = unmatched[i]) ) {
2548      if ( !filter || filter( elem, context, xml ) ) {
2549        newUnmatched.push( elem );
2550        if ( mapped ) {
2551          map.push( i );
2552        }
2553      }
2554    }
2555  }
2556
2557  return newUnmatched;
2558}
2559
2560function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2561  if ( postFilter && !postFilter[ expando ] ) {
2562    postFilter = setMatcher( postFilter );
2563  }
2564  if ( postFinder && !postFinder[ expando ] ) {
2565    postFinder = setMatcher( postFinder, postSelector );
2566  }
2567  return markFunction(function( seed, results, context, xml ) {
2568    var temp, i, elem,
2569      preMap = [],
2570      postMap = [],
2571      preexisting = results.length,
2572
2573      // Get initial elements from seed or context
2574      elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2575
2576      // Prefilter to get matcher input, preserving a map for seed-results synchronization
2577      matcherIn = preFilter && ( seed || !selector ) ?
2578        condense( elems, preMap, preFilter, context, xml ) :
2579        elems,
2580
2581      matcherOut = matcher ?
2582        // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2583        postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2584
2585          // ...intermediate processing is necessary
2586          [] :
2587
2588          // ...otherwise use results directly
2589          results :
2590        matcherIn;
2591
2592    // Find primary matches
2593    if ( matcher ) {
2594      matcher( matcherIn, matcherOut, context, xml );
2595    }
2596
2597    // Apply postFilter
2598    if ( postFilter ) {
2599      temp = condense( matcherOut, postMap );
2600      postFilter( temp, [], context, xml );
2601
2602      // Un-match failing elements by moving them back to matcherIn
2603      i = temp.length;
2604      while ( i-- ) {
2605        if ( (elem = temp[i]) ) {
2606          matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2607        }
2608      }
2609    }
2610
2611    if ( seed ) {
2612      if ( postFinder || preFilter ) {
2613        if ( postFinder ) {
2614          // Get the final matcherOut by condensing this intermediate into postFinder contexts
2615          temp = [];
2616          i = matcherOut.length;
2617          while ( i-- ) {
2618            if ( (elem = matcherOut[i]) ) {
2619              // Restore matcherIn since elem is not yet a final match
2620              temp.push( (matcherIn[i] = elem) );
2621            }
2622          }
2623          postFinder( null, (matcherOut = []), temp, xml );
2624        }
2625
2626        // Move matched elements from seed to results to keep them synchronized
2627        i = matcherOut.length;
2628        while ( i-- ) {
2629          if ( (elem = matcherOut[i]) &&
2630            (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
2631
2632            seed[temp] = !(results[temp] = elem);
2633          }
2634        }
2635      }
2636
2637    // Add elements to results, through postFinder if defined
2638    } else {
2639      matcherOut = condense(
2640        matcherOut === results ?
2641          matcherOut.splice( preexisting, matcherOut.length ) :
2642          matcherOut
2643      );
2644      if ( postFinder ) {
2645        postFinder( null, results, matcherOut, xml );
2646      } else {
2647        push.apply( results, matcherOut );
2648      }
2649    }
2650  });
2651}
2652
2653function matcherFromTokens( tokens ) {
2654  var checkContext, matcher, j,
2655    len = tokens.length,
2656    leadingRelative = Expr.relative[ tokens[0].type ],
2657    implicitRelative = leadingRelative || Expr.relative[" "],
2658    i = leadingRelative ? 1 : 0,
2659
2660    // The foundational matcher ensures that elements are reachable from top-level context(s)
2661    matchContext = addCombinator( function( elem ) {
2662      return elem === checkContext;
2663    }, implicitRelative, true ),
2664    matchAnyContext = addCombinator( function( elem ) {
2665      return indexOf.call( checkContext, elem ) > -1;
2666    }, implicitRelative, true ),
2667    matchers = [ function( elem, context, xml ) {
2668      return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2669        (checkContext = context).nodeType ?
2670          matchContext( elem, context, xml ) :
2671          matchAnyContext( elem, context, xml ) );
2672    } ];
2673
2674  for ( ; i < len; i++ ) {
2675    if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2676      matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2677    } else {
2678      matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2679
2680      // Return special upon seeing a positional matcher
2681      if ( matcher[ expando ] ) {
2682        // Find the next relative operator (if any) for proper handling
2683        j = ++i;
2684        for ( ; j < len; j++ ) {
2685          if ( Expr.relative[ tokens[j].type ] ) {
2686            break;
2687          }
2688        }
2689        return setMatcher(
2690          i > 1 && elementMatcher( matchers ),
2691          i > 1 && toSelector(
2692            // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2693            tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2694          ).replace( rtrim, "$1" ),
2695          matcher,
2696          i < j && matcherFromTokens( tokens.slice( i, j ) ),
2697          j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2698          j < len && toSelector( tokens )
2699        );
2700      }
2701      matchers.push( matcher );
2702    }
2703  }
2704
2705  return elementMatcher( matchers );
2706}
2707
2708function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2709  // A counter to specify which element is currently being matched
2710  var matcherCachedRuns = 0,
2711    bySet = setMatchers.length > 0,
2712    byElement = elementMatchers.length > 0,
2713    superMatcher = function( seed, context, xml, results, expandContext ) {
2714      var elem, j, matcher,
2715        setMatched = [],
2716        matchedCount = 0,
2717        i = "0",
2718        unmatched = seed && [],
2719        outermost = expandContext != null,
2720        contextBackup = outermostContext,
2721        // We must always have either seed elements or context
2722        elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
2723        // Use integer dirruns iff this is the outermost matcher
2724        dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
2725
2726      if ( outermost ) {
2727        outermostContext = context !== document && context;
2728        cachedruns = matcherCachedRuns;
2729      }
2730
2731      // Add elements passing elementMatchers directly to results
2732      // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2733      for ( ; (elem = elems[i]) != null; i++ ) {
2734        if ( byElement && elem ) {
2735          j = 0;
2736          while ( (matcher = elementMatchers[j++]) ) {
2737            if ( matcher( elem, context, xml ) ) {
2738              results.push( elem );
2739              break;
2740            }
2741          }
2742          if ( outermost ) {
2743            dirruns = dirrunsUnique;
2744            cachedruns = ++matcherCachedRuns;
2745          }
2746        }
2747
2748        // Track unmatched elements for set filters
2749        if ( bySet ) {
2750          // They will have gone through all possible matchers
2751          if ( (elem = !matcher && elem) ) {
2752            matchedCount--;
2753          }
2754
2755          // Lengthen the array for every element, matched or not
2756          if ( seed ) {
2757            unmatched.push( elem );
2758          }
2759        }
2760      }
2761
2762      // Apply set filters to unmatched elements
2763      matchedCount += i;
2764      if ( bySet && i !== matchedCount ) {
2765        j = 0;
2766        while ( (matcher = setMatchers[j++]) ) {
2767          matcher( unmatched, setMatched, context, xml );
2768        }
2769
2770        if ( seed ) {
2771          // Reintegrate element matches to eliminate the need for sorting
2772          if ( matchedCount > 0 ) {
2773            while ( i-- ) {
2774              if ( !(unmatched[i] || setMatched[i]) ) {
2775                setMatched[i] = pop.call( results );
2776              }
2777            }
2778          }
2779
2780          // Discard index placeholder values to get only actual matches
2781          setMatched = condense( setMatched );
2782        }
2783
2784        // Add matches to results
2785        push.apply( results, setMatched );
2786
2787        // Seedless set matches succeeding multiple successful matchers stipulate sorting
2788        if ( outermost && !seed && setMatched.length > 0 &&
2789          ( matchedCount + setMatchers.length ) > 1 ) {
2790
2791          Sizzle.uniqueSort( results );
2792        }
2793      }
2794
2795      // Override manipulation of globals by nested matchers
2796      if ( outermost ) {
2797        dirruns = dirrunsUnique;
2798        outermostContext = contextBackup;
2799      }
2800
2801      return unmatched;
2802    };
2803
2804  return bySet ?
2805    markFunction( superMatcher ) :
2806    superMatcher;
2807}
2808
2809compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
2810  var i,
2811    setMatchers = [],
2812    elementMatchers = [],
2813    cached = compilerCache[ selector + " " ];
2814
2815  if ( !cached ) {
2816    // Generate a function of recursive functions that can be used to check each element
2817    if ( !group ) {
2818      group = tokenize( selector );
2819    }
2820    i = group.length;
2821    while ( i-- ) {
2822      cached = matcherFromTokens( group[i] );
2823      if ( cached[ expando ] ) {
2824        setMatchers.push( cached );
2825      } else {
2826        elementMatchers.push( cached );
2827      }
2828    }
2829
2830    // Cache the compiled function
2831    cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2832  }
2833  return cached;
2834};
2835
2836function multipleContexts( selector, contexts, results ) {
2837  var i = 0,
2838    len = contexts.length;
2839  for ( ; i < len; i++ ) {
2840    Sizzle( selector, contexts[i], results );
2841  }
2842  return results;
2843}
2844
2845function select( selector, context, results, seed ) {
2846  var i, tokens, token, type, find,
2847    match = tokenize( selector );
2848
2849  if ( !seed ) {
2850    // Try to minimize operations if there is only one group
2851    if ( match.length === 1 ) {
2852
2853      // Take a shortcut and set the context if the root selector is an ID
2854      tokens = match[0] = match[0].slice( 0 );
2855      if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2856          support.getById && context.nodeType === 9 && documentIsHTML &&
2857          Expr.relative[ tokens[1].type ] ) {
2858
2859        context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2860        if ( !context ) {
2861          return results;
2862        }
2863        selector = selector.slice( tokens.shift().value.length );
2864      }
2865
2866      // Fetch a seed set for right-to-left matching
2867      i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2868      while ( i-- ) {
2869        token = tokens[i];
2870
2871        // Abort if we hit a combinator
2872        if ( Expr.relative[ (type = token.type) ] ) {
2873          break;
2874        }
2875        if ( (find = Expr.find[ type ]) ) {
2876          // Search, expanding context for leading sibling combinators
2877          if ( (seed = find(
2878            token.matches[0].replace( runescape, funescape ),
2879            rsibling.test( tokens[0].type ) && context.parentNode || context
2880          )) ) {
2881
2882            // If seed is empty or no tokens remain, we can return early
2883            tokens.splice( i, 1 );
2884            selector = seed.length && toSelector( tokens );
2885            if ( !selector ) {
2886              push.apply( results, seed );
2887              return results;
2888            }
2889
2890            break;
2891          }
2892        }
2893      }
2894    }
2895  }
2896
2897  // Compile and execute a filtering function
2898  // Provide `match` to avoid retokenization if we modified the selector above
2899  compile( selector, match )(
2900    seed,
2901    context,
2902    !documentIsHTML,
2903    results,
2904    rsibling.test( selector )
2905  );
2906  return results;
2907}
2908
2909// One-time assignments
2910
2911// Sort stability
2912support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2913
2914// Support: Chrome<14
2915// Always assume duplicates if they aren't passed to the comparison function
2916support.detectDuplicates = hasDuplicate;
2917
2918// Initialize against the default document
2919setDocument();
2920
2921// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2922// Detached nodes confoundingly follow *each other*
2923support.sortDetached = assert(function( div1 ) {
2924  // Should return 1, but returns 4 (following)
2925  return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2926});
2927
2928// Support: IE<8
2929// Prevent attribute/property "interpolation"
2930// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2931if ( !assert(function( div ) {
2932  div.innerHTML = "<a href='#'></a>";
2933  return div.firstChild.getAttribute("href") === "#" ;
2934}) ) {
2935  addHandle( "type|href|height|width", function( elem, name, isXML ) {
2936    if ( !isXML ) {
2937      return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2938    }
2939  });
2940}
2941
2942// Support: IE<9
2943// Use defaultValue in place of getAttribute("value")
2944if ( !support.attributes || !assert(function( div ) {
2945  div.innerHTML = "<input/>";
2946  div.firstChild.setAttribute( "value", "" );
2947  return div.firstChild.getAttribute( "value" ) === "";
2948}) ) {
2949  addHandle( "value", function( elem, name, isXML ) {
2950    if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2951      return elem.defaultValue;
2952    }
2953  });
2954}
2955
2956// Support: IE<9
2957// Use getAttributeNode to fetch booleans when getAttribute lies
2958if ( !assert(function( div ) {
2959  return div.getAttribute("disabled") == null;
2960}) ) {
2961  addHandle( booleans, function( elem, name, isXML ) {
2962    var val;
2963    if ( !isXML ) {
2964      return (val = elem.getAttributeNode( name )) && val.specified ?
2965        val.value :
2966        elem[ name ] === true ? name.toLowerCase() : null;
2967    }
2968  });
2969}
2970
2971jQuery.find = Sizzle;
2972jQuery.expr = Sizzle.selectors;
2973jQuery.expr[":"] = jQuery.expr.pseudos;
2974jQuery.unique = Sizzle.uniqueSort;
2975jQuery.text = Sizzle.getText;
2976jQuery.isXMLDoc = Sizzle.isXML;
2977jQuery.contains = Sizzle.contains;
2978
2979
2980})( window );
2981// String to Object options format cache
2982var optionsCache = {};
2983
2984// Convert String-formatted options into Object-formatted ones and store in cache
2985function createOptions( options ) {
2986  var object = optionsCache[ options ] = {};
2987  jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
2988    object[ flag ] = true;
2989  });
2990  return object;
2991}
2992
2993/*
2994 * Create a callback list using the following parameters:
2995 *
2996 *  options: an optional list of space-separated options that will change how
2997 *      the callback list behaves or a more traditional option object
2998 *
2999 * By default a callback list will act like an event callback list and can be
3000 * "fired" multiple times.
3001 *
3002 * Possible options:
3003 *
3004 *  once:     will ensure the callback list can only be fired once (like a Deferred)
3005 *
3006 *  memory:     will keep track of previous values and will call any callback added
3007 *          after the list has been fired right away with the latest "memorized"
3008 *          values (like a Deferred)
3009 *
3010 *  unique:     will ensure a callback can only be added once (no duplicate in the list)
3011 *
3012 *  stopOnFalse:  interrupt callings when a callback returns false
3013 *
3014 */
3015jQuery.Callbacks = function( options ) {
3016
3017  // Convert options from String-formatted to Object-formatted if needed
3018  // (we check in cache first)
3019  options = typeof options === "string" ?
3020    ( optionsCache[ options ] || createOptions( options ) ) :
3021    jQuery.extend( {}, options );
3022
3023  var // Flag to know if list is currently firing
3024    firing,
3025    // Last fire value (for non-forgettable lists)
3026    memory,
3027    // Flag to know if list was already fired
3028    fired,
3029    // End of the loop when firing
3030    firingLength,
3031    // Index of currently firing callback (modified by remove if needed)
3032    firingIndex,
3033    // First callback to fire (used internally by add and fireWith)
3034    firingStart,
3035    // Actual callback list
3036    list = [],
3037    // Stack of fire calls for repeatable lists
3038    stack = !options.once && [],
3039    // Fire callbacks
3040    fire = function( data ) {
3041      memory = options.memory && data;
3042      fired = true;
3043      firingIndex = firingStart || 0;
3044      firingStart = 0;
3045      firingLength = list.length;
3046      firing = true;
3047      for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3048        if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3049          memory = false; // To prevent further calls using add
3050          break;
3051        }
3052      }
3053      firing = false;
3054      if ( list ) {
3055        if ( stack ) {
3056          if ( stack.length ) {
3057            fire( stack.shift() );
3058          }
3059        } else if ( memory ) {
3060          list = [];
3061        } else {
3062          self.disable();
3063        }
3064      }
3065    },
3066    // Actual Callbacks object
3067    self = {
3068      // Add a callback or a collection of callbacks to the list
3069      add: function() {
3070        if ( list ) {
3071          // First, we save the current length
3072          var start = list.length;
3073          (function add( args ) {
3074            jQuery.each( args, function( _, arg ) {
3075              var type = jQuery.type( arg );
3076              if ( type === "function" ) {
3077                if ( !options.unique || !self.has( arg ) ) {
3078                  list.push( arg );
3079                }
3080              } else if ( arg && arg.length && type !== "string" ) {
3081                // Inspect recursively
3082                add( arg );
3083              }
3084            });
3085          })( arguments );
3086          // Do we need to add the callbacks to the
3087          // current firing batch?
3088          if ( firing ) {
3089            firingLength = list.length;
3090          // With memory, if we're not firing then
3091          // we should call right away
3092          } else if ( memory ) {
3093            firingStart = start;
3094            fire( memory );
3095          }
3096        }
3097        return this;
3098      },
3099      // Remove a callback from the list
3100      remove: function() {
3101        if ( list ) {
3102          jQuery.each( arguments, function( _, arg ) {
3103            var index;
3104            while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3105              list.splice( index, 1 );
3106              // Handle firing indexes
3107              if ( firing ) {
3108                if ( index <= firingLength ) {
3109                  firingLength--;
3110                }
3111                if ( index <= firingIndex ) {
3112                  firingIndex--;
3113                }
3114              }
3115            }
3116          });
3117        }
3118        return this;
3119      },
3120      // Check if a given callback is in the list.
3121      // If no argument is given, return whether or not list has callbacks attached.
3122      has: function( fn ) {
3123        return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3124      },
3125      // Remove all callbacks from the list
3126      empty: function() {
3127        list = [];
3128        firingLength = 0;
3129        return this;
3130      },
3131      // Have the list do nothing anymore
3132      disable: function() {
3133        list = stack = memory = undefined;
3134        return this;
3135      },
3136      // Is it disabled?
3137      disabled: function() {
3138        return !list;
3139      },
3140      // Lock the list in its current state
3141      lock: function() {
3142        stack = undefined;
3143        if ( !memory ) {
3144          self.disable();
3145        }
3146        return this;
3147      },
3148      // Is it locked?
3149      locked: function() {
3150        return !stack;
3151      },
3152      // Call all callbacks with the given context and arguments
3153      fireWith: function( context, args ) {
3154        if ( list && ( !fired || stack ) ) {
3155          args = args || [];
3156          args = [ context, args.slice ? args.slice() : args ];
3157          if ( firing ) {
3158            stack.push( args );
3159          } else {
3160            fire( args );
3161          }
3162        }
3163        return this;
3164      },
3165      // Call all the callbacks with the given arguments
3166      fire: function() {
3167        self.fireWith( this, arguments );
3168        return this;
3169      },
3170      // To know if the callbacks have already been called at least once
3171      fired: function() {
3172        return !!fired;
3173      }
3174    };
3175
3176  return self;
3177};
3178jQuery.extend({
3179
3180  Deferred: function( func ) {
3181    var tuples = [
3182        // action, add listener, listener list, final state
3183        [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3184        [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3185        [ "notify", "progress", jQuery.Callbacks("memory") ]
3186      ],
3187      state = "pending",
3188      promise = {
3189        state: function() {
3190          return state;
3191        },
3192        always: function() {
3193          deferred.done( arguments ).fail( arguments );
3194          return this;
3195        },
3196        then: function( /* fnDone, fnFail, fnProgress */ ) {
3197          var fns = arguments;
3198          return jQuery.Deferred(function( newDefer ) {
3199            jQuery.each( tuples, function( i, tuple ) {
3200              var action = tuple[ 0 ],
3201                fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3202              // deferred[ done | fail | progress ] for forwarding actions to newDefer
3203              deferred[ tuple[1] ](function() {
3204                var returned = fn && fn.apply( this, arguments );
3205                if ( returned && jQuery.isFunction( returned.promise ) ) {
3206                  returned.promise()
3207                    .done( newDefer.resolve )
3208                    .fail( newDefer.reject )
3209                    .progress( newDefer.notify );
3210                } else {
3211                  newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3212                }
3213              });
3214            });
3215            fns = null;
3216          }).promise();
3217        },
3218        // Get a promise for this deferred
3219        // If obj is provided, the promise aspect is added to the object
3220        promise: function( obj ) {
3221          return obj != null ? jQuery.extend( obj, promise ) : promise;
3222        }
3223      },
3224      deferred = {};
3225
3226    // Keep pipe for back-compat
3227    promise.pipe = promise.then;
3228
3229    // Add list-specific methods
3230    jQuery.each( tuples, function( i, tuple ) {
3231      var list = tuple[ 2 ],
3232        stateString = tuple[ 3 ];
3233
3234      // promise[ done | fail | progress ] = list.add
3235      promise[ tuple[1] ] = list.add;
3236
3237      // Handle state
3238      if ( stateString ) {
3239        list.add(function() {
3240          // state = [ resolved | rejected ]
3241          state = stateString;
3242
3243        // [ reject_list | resolve_list ].disable; progress_list.lock
3244        }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3245      }
3246
3247      // deferred[ resolve | reject | notify ]
3248      deferred[ tuple[0] ] = function() {
3249        deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3250        return this;
3251      };
3252      deferred[ tuple[0] + "With" ] = list.fireWith;
3253    });
3254
3255    // Make the deferred a promise
3256    promise.promise( deferred );
3257
3258    // Call given func if any
3259    if ( func ) {
3260      func.call( deferred, deferred );
3261    }
3262
3263    // All done!
3264    return deferred;
3265  },
3266
3267  // Deferred helper
3268  when: function( subordinate /* , ..., subordinateN */ ) {
3269    var i = 0,
3270      resolveValues = core_slice.call( arguments ),
3271      length = resolveValues.length,
3272
3273      // the count of uncompleted subordinates
3274      remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3275
3276      // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3277      deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3278
3279      // Update function for both resolve and progress values
3280      updateFunc = function( i, contexts, values ) {
3281        return function( value ) {
3282          contexts[ i ] = this;
3283          values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
3284          if( values === progressValues ) {
3285            deferred.notifyWith( contexts, values );
3286          } else if ( !( --remaining ) ) {
3287            deferred.resolveWith( contexts, values );
3288          }
3289        };
3290      },
3291
3292      progressValues, progressContexts, resolveContexts;
3293
3294    // add listeners to Deferred subordinates; treat others as resolved
3295    if ( length > 1 ) {
3296      progressValues = new Array( length );
3297      progressContexts = new Array( length );
3298      resolveContexts = new Array( length );
3299      for ( ; i < length; i++ ) {
3300        if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3301          resolveValues[ i ].promise()
3302            .done( updateFunc( i, resolveContexts, resolveValues ) )
3303            .fail( deferred.reject )
3304            .progress( updateFunc( i, progressContexts, progressValues ) );
3305        } else {
3306          --remaining;
3307        }
3308      }
3309    }
3310
3311    // if we're not waiting on anything, resolve the master
3312    if ( !remaining ) {
3313      deferred.resolveWith( resolveContexts, resolveValues );
3314    }
3315
3316    return deferred.promise();
3317  }
3318});
3319jQuery.support = (function( support ) {
3320
3321  var all, a, input, select, fragment, opt, eventName, isSupported, i,
3322    div = document.createElement("div");
3323
3324  // Setup
3325  div.setAttribute( "className", "t" );
3326  div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
3327
3328  // Finish early in limited (non-browser) environments
3329  all = div.getElementsByTagName("*") || [];
3330  a = div.getElementsByTagName("a")[ 0 ];
3331  if ( !a || !a.style || !all.length ) {
3332    return support;
3333  }
3334
3335  // First batch of tests
3336  select = document.createElement("select");
3337  opt = select.appendChild( document.createElement("option") );
3338  input = div.getElementsByTagName("input")[ 0 ];
3339
3340  a.style.cssText = "top:1px;float:left;opacity:.5";
3341
3342  // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
3343  support.getSetAttribute = div.className !== "t";
3344
3345  // IE strips leading whitespace when .innerHTML is used
3346  support.leadingWhitespace = div.firstChild.nodeType === 3;
3347
3348  // Make sure that tbody elements aren't automatically inserted
3349  // IE will insert them into empty tables
3350  support.tbody = !div.getElementsByTagName("tbody").length;
3351
3352  // Make sure that link elements get serialized correctly by innerHTML
3353  // This requires a wrapper element in IE
3354  support.htmlSerialize = !!div.getElementsByTagName("link").length;
3355
3356  // Get the style information from getAttribute
3357  // (IE uses .cssText instead)
3358  support.style = /top/.test( a.getAttribute("style") );
3359
3360  // Make sure that URLs aren't manipulated
3361  // (IE normalizes it by default)
3362  support.hrefNormalized = a.getAttribute("href") === "/a";
3363
3364  // Make sure that element opacity exists
3365  // (IE uses filter instead)
3366  // Use a regex to work around a WebKit issue. See #5145
3367  support.opacity = /^0.5/.test( a.style.opacity );
3368
3369  // Verify style float existence
3370  // (IE uses styleFloat instead of cssFloat)
3371  support.cssFloat = !!a.style.cssFloat;
3372
3373  // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
3374  support.checkOn = !!input.value;
3375
3376  // Make sure that a selected-by-default option has a working selected property.
3377  // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
3378  support.optSelected = opt.selected;
3379
3380  // Tests for enctype support on a form (#6743)
3381  support.enctype = !!document.createElement("form").enctype;
3382
3383  // Makes sure cloning an html5 element does not cause problems
3384  // Where outerHTML is undefined, this still works
3385  support.html5Clone = document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>";
3386
3387  // Will be defined later
3388  support.inlineBlockNeedsLayout = false;
3389  support.shrinkWrapBlocks = false;
3390  support.pixelPosition = false;
3391  support.deleteExpando = true;
3392  support.noCloneEvent = true;
3393  support.reliableMarginRight = true;
3394  support.boxSizingReliable = true;
3395
3396  // Make sure checked status is properly cloned
3397  input.checked = true;
3398  support.noCloneChecked = input.cloneNode( true ).checked;
3399
3400  // Make sure that the options inside disabled selects aren't marked as disabled
3401  // (WebKit marks them as disabled)
3402  select.disabled = true;
3403  support.optDisabled = !opt.disabled;
3404
3405  // Support: IE<9
3406  try {
3407    delete div.test;
3408  } catch( e ) {
3409    support.deleteExpando = false;
3410  }
3411
3412  // Check if we can trust getAttribute("value")
3413  input = document.createElement("input");
3414  input.setAttribute( "value", "" );
3415  support.input = input.getAttribute( "value" ) === "";
3416
3417  // Check if an input maintains its value after becoming a radio
3418  input.value = "t";
3419  input.setAttribute( "type", "radio" );
3420  support.radioValue = input.value === "t";
3421
3422  // #11217 - WebKit loses check when the name is after the checked attribute
3423  input.setAttribute( "checked", "t" );
3424  input.setAttribute( "name", "t" );
3425
3426  fragment = document.createDocumentFragment();
3427  fragment.appendChild( input );
3428
3429  // Check if a disconnected checkbox will retain its checked
3430  // value of true after appended to the DOM (IE6/7)
3431  support.appendChecked = input.checked;
3432
3433  // WebKit doesn't clone checked state correctly in fragments
3434  support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
3435
3436  // Support: IE<9
3437  // Opera does not clone events (and typeof div.attachEvent === undefined).
3438  // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
3439  if ( div.attachEvent ) {
3440    div.attachEvent( "onclick", function() {
3441      support.noCloneEvent = false;
3442    });
3443
3444    div.cloneNode( true ).click();
3445  }
3446
3447  // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
3448  // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
3449  for ( i in { submit: true, change: true, focusin: true }) {
3450    div.setAttribute( eventName = "on" + i, "t" );
3451
3452    support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
3453  }
3454
3455  div.style.backgroundClip = "content-box";
3456  div.cloneNode( true ).style.backgroundClip = "";
3457  support.clearCloneStyle = div.style.backgroundClip === "content-box";
3458
3459  // Support: IE<9
3460  // Iteration over object's inherited properties before its own.
3461  for ( i in jQuery( support ) ) {
3462    break;
3463  }
3464  support.ownLast = i !== "0";
3465
3466  // Run tests that need a body at doc ready
3467  jQuery(function() {
3468    var container, marginDiv, tds,
3469      divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
3470      body = document.getElementsByTagName("body")[0];
3471
3472    if ( !body ) {
3473      // Return for frameset docs that don't have a body
3474      return;
3475    }
3476
3477    container = document.createElement("div");
3478    container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
3479
3480    body.appendChild( container ).appendChild( div );
3481
3482    // Support: IE8
3483    // Check if table cells still have offsetWidth/Height when they are set
3484    // to display:none and there are still other visible table cells in a
3485    // table row; if so, offsetWidth/Height are not reliable for use when
3486    // determining if an element has been hidden directly using
3487    // display:none (it is still safe to use offsets if a parent element is
3488    // hidden; don safety goggles and see bug #4512 for more information).
3489    div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
3490    tds = div.getElementsByTagName("td");
3491    tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
3492    isSupported = ( tds[ 0 ].offsetHeight === 0 );
3493
3494    tds[ 0 ].style.display = "";
3495    tds[ 1 ].style.display = "none";
3496
3497    // Support: IE8
3498    // Check if empty table cells still have offsetWidth/Height
3499    support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
3500
3501    // Check box-sizing and margin behavior.
3502    div.innerHTML = "";
3503    div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
3504
3505    // Workaround failing boxSizing test due to offsetWidth returning wrong value
3506    // with some non-1 values of body zoom, ticket #13543
3507    jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
3508      support.boxSizing = div.offsetWidth === 4;
3509    });
3510
3511    // Use window.getComputedStyle because jsdom on node.js will break without it.
3512    if ( window.getComputedStyle ) {
3513      support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
3514      support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
3515
3516      // Check if div with explicit width and no margin-right incorrectly
3517      // gets computed margin-right based on width of container. (#3333)
3518      // Fails in WebKit before Feb 2011 nightlies
3519      // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
3520      marginDiv = div.appendChild( document.createElement("div") );
3521      marginDiv.style.cssText = div.style.cssText = divReset;
3522      marginDiv.style.marginRight = marginDiv.style.width = "0";
3523      div.style.width = "1px";
3524
3525      support.reliableMarginRight =
3526        !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
3527    }
3528
3529    if ( typeof div.style.zoom !== core_strundefined ) {
3530      // Support: IE<8
3531      // Check if natively block-level elements act like inline-block
3532      // elements when setting their display to 'inline' and giving
3533      // them layout
3534      div.innerHTML = "";
3535      div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
3536      support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
3537
3538      // Support: IE6
3539      // Check if elements with layout shrink-wrap their children
3540      div.style.display = "block";
3541      div.innerHTML = "<div></div>";
3542      div.firstChild.style.width = "5px";
3543      support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
3544
3545      if ( support.inlineBlockNeedsLayout ) {
3546        // Prevent IE 6 from affecting layout for positioned elements #11048
3547        // Prevent IE from shrinking the body in IE 7 mode #12869
3548        // Support: IE<8
3549        body.style.zoom = 1;
3550      }
3551    }
3552
3553    body.removeChild( container );
3554
3555    // Null elements to avoid leaks in IE
3556    container = div = tds = marginDiv = null;
3557  });
3558
3559  // Null elements to avoid leaks in IE
3560  all = select = fragment = opt = a = input = null;
3561
3562  return support;
3563})({});
3564
3565var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
3566  rmultiDash = /([A-Z])/g;
3567
3568function internalData( elem, name, data, pvt /* Internal Use Only */ ){
3569  if ( !jQuery.acceptData( elem ) ) {
3570    return;
3571  }
3572
3573  var ret, thisCache,
3574    internalKey = jQuery.expando,
3575
3576    // We have to handle DOM nodes and JS objects differently because IE6-7
3577    // can't GC object references properly across the DOM-JS boundary
3578    isNode = elem.nodeType,
3579
3580    // Only DOM nodes need the global jQuery cache; JS object data is
3581    // attached directly to the object so GC can occur automatically
3582    cache = isNode ? jQuery.cache : elem,
3583
3584    // Only defining an ID for JS objects if its cache already exists allows
3585    // the code to shortcut on the same path as a DOM node with no cache
3586    id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3587
3588  // Avoid doing any more work than we need to when trying to get data on an
3589  // object that has no data at all
3590  if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3591    return;
3592  }
3593
3594  if ( !id ) {
3595    // Only DOM nodes need a new unique ID for each element since their data
3596    // ends up in the global cache
3597    if ( isNode ) {
3598      id = elem[ internalKey ] = core_deletedIds.pop() || jQuery.guid++;
3599    } else {
3600      id = internalKey;
3601    }
3602  }
3603
3604  if ( !cache[ id ] ) {
3605    // Avoid exposing jQuery metadata on plain JS objects when the object
3606    // is serialized using JSON.stringify
3607    cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3608  }
3609
3610  // An object can be passed to jQuery.data instead of a key/value pair; this gets
3611  // shallow copied over onto the existing cache
3612  if ( typeof name === "object" || typeof name === "function" ) {
3613    if ( pvt ) {
3614      cache[ id ] = jQuery.extend( cache[ id ], name );
3615    } else {
3616      cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3617    }
3618  }
3619
3620  thisCache = cache[ id ];
3621
3622  // jQuery data() is stored in a separate object inside the object's internal data
3623  // cache in order to avoid key collisions between internal data and user-defined
3624  // data.
3625  if ( !pvt ) {
3626    if ( !thisCache.data ) {
3627      thisCache.data = {};
3628    }
3629
3630    thisCache = thisCache.data;
3631  }
3632
3633  if ( data !== undefined ) {
3634    thisCache[ jQuery.camelCase( name ) ] = data;
3635  }
3636
3637  // Check for both converted-to-camel and non-converted data property names
3638  // If a data property was specified
3639  if ( typeof name === "string" ) {
3640
3641    // First Try to find as-is property data
3642    ret = thisCache[ name ];
3643
3644    // Test for null|undefined property data
3645    if ( ret == null ) {
3646
3647      // Try to find the camelCased property
3648      ret = thisCache[ jQuery.camelCase( name ) ];
3649    }
3650  } else {
3651    ret = thisCache;
3652  }
3653
3654  return ret;
3655}
3656
3657function internalRemoveData( elem, name, pvt ) {
3658  if ( !jQuery.acceptData( elem ) ) {
3659    return;
3660  }
3661
3662  var thisCache, i,
3663    isNode = elem.nodeType,
3664
3665    // See jQuery.data for more information
3666    cache = isNode ? jQuery.cache : elem,
3667    id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3668
3669  // If there is already no cache entry for this object, there is no
3670  // purpose in continuing
3671  if ( !cache[ id ] ) {
3672    return;
3673  }
3674
3675  if ( name ) {
3676
3677    thisCache = pvt ? cache[ id ] : cache[ id ].data;
3678
3679    if ( thisCache ) {
3680
3681      // Support array or space separated string names for data keys
3682      if ( !jQuery.isArray( name ) ) {
3683
3684        // try the string as a key before any manipulation
3685        if ( name in thisCache ) {
3686          name = [ name ];
3687        } else {
3688
3689          // split the camel cased version by spaces unless a key with the spaces exists
3690          name = jQuery.camelCase( name );
3691          if ( name in thisCache ) {
3692            name = [ name ];
3693          } else {
3694            name = name.split(" ");
3695          }
3696        }
3697      } else {
3698        // If "name" is an array of keys...
3699        // When data is initially created, via ("key", "val") signature,
3700        // keys will be converted to camelCase.
3701        // Since there is no way to tell _how_ a key was added, remove
3702        // both plain key and camelCase key. #12786
3703        // This will only penalize the array argument path.
3704        name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3705      }
3706
3707      i = name.length;
3708      while ( i-- ) {
3709        delete thisCache[ name[i] ];
3710      }
3711
3712      // If there is no data left in the cache, we want to continue
3713      // and let the cache object itself get destroyed
3714      if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3715        return;
3716      }
3717    }
3718  }
3719
3720  // See jQuery.data for more information
3721  if ( !pvt ) {
3722    delete cache[ id ].data;
3723
3724    // Don't destroy the parent cache unless the internal data object
3725    // had been the only thing left in it
3726    if ( !isEmptyDataObject( cache[ id ] ) ) {
3727      return;
3728    }
3729  }
3730
3731  // Destroy the cache
3732  if ( isNode ) {
3733    jQuery.cleanData( [ elem ], true );
3734
3735  // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3736  /* jshint eqeqeq: false */
3737  } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
3738    /* jshint eqeqeq: true */
3739    delete cache[ id ];
3740
3741  // When all else fails, null
3742  } else {
3743    cache[ id ] = null;
3744  }
3745}
3746
3747jQuery.extend({
3748  cache: {},
3749
3750  // The following elements throw uncatchable exceptions if you
3751  // attempt to add expando properties to them.
3752  noData: {
3753    "applet": true,
3754    "embed": true,
3755    // Ban all objects except for Flash (which handle expandos)
3756    "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3757  },
3758
3759  hasData: function( elem ) {
3760    elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3761    return !!elem && !isEmptyDataObject( elem );
3762  },
3763
3764  data: function( elem, name, data ) {
3765    return internalData( elem, name, data );
3766  },
3767
3768  removeData: function( elem, name ) {
3769    return internalRemoveData( elem, name );
3770  },
3771
3772  // For internal use only.
3773  _data: function( elem, name, data ) {
3774    return internalData( elem, name, data, true );
3775  },
3776
3777  _removeData: function( elem, name ) {
3778    return internalRemoveData( elem, name, true );
3779  },
3780
3781  // A method for determining if a DOM node can handle the data expando
3782  acceptData: function( elem ) {
3783    // Do not set data on non-element because it will not be cleared (#8335).
3784    if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
3785      return false;
3786    }
3787
3788    var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
3789
3790    // nodes accept data unless otherwise specified; rejection can be conditional
3791    return !noData || noData !== true && elem.getAttribute("classid") === noData;
3792  }
3793});
3794
3795jQuery.fn.extend({
3796  data: function( key, value ) {
3797    var attrs, name,
3798      data = null,
3799      i = 0,
3800      elem = this[0];
3801
3802    // Special expections of .data basically thwart jQuery.access,
3803    // so implement the relevant behavior ourselves
3804
3805    // Gets all values
3806    if ( key === undefined ) {
3807      if ( this.length ) {
3808        data = jQuery.data( elem );
3809
3810        if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3811          attrs = elem.attributes;
3812          for ( ; i < attrs.length; i++ ) {
3813            name = attrs[i].name;
3814
3815            if ( name.indexOf("data-") === 0 ) {
3816              name = jQuery.camelCase( name.slice(5) );
3817
3818              dataAttr( elem, name, data[ name ] );
3819            }
3820          }
3821          jQuery._data( elem, "parsedAttrs", true );
3822        }
3823      }
3824
3825      return data;
3826    }
3827
3828    // Sets multiple values
3829    if ( typeof key === "object" ) {
3830      return this.each(function() {
3831        jQuery.data( this, key );
3832      });
3833    }
3834
3835    return arguments.length > 1 ?
3836
3837      // Sets one value
3838      this.each(function() {
3839        jQuery.data( this, key, value );
3840      }) :
3841
3842      // Gets one value
3843      // Try to fetch any internally stored data first
3844      elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
3845  },
3846
3847  removeData: function( key ) {
3848    return this.each(function() {
3849      jQuery.removeData( this, key );
3850    });
3851  }
3852});
3853
3854function dataAttr( elem, key, data ) {
3855  // If nothing was found internally, try to fetch any
3856  // data from the HTML5 data-* attribute
3857  if ( data === undefined && elem.nodeType === 1 ) {
3858
3859    var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3860
3861    data = elem.getAttribute( name );
3862
3863    if ( typeof data === "string" ) {
3864      try {
3865        data = data === "true" ? true :
3866          data === "false" ? false :
3867          data === "null" ? null :
3868          // Only convert to a number if it doesn't change the string
3869          +data + "" === data ? +data :
3870          rbrace.test( data ) ? jQuery.parseJSON( data ) :
3871            data;
3872      } catch( e ) {}
3873
3874      // Make sure we set the data so it isn't changed later
3875      jQuery.data( elem, key, data );
3876
3877    } else {
3878      data = undefined;
3879    }
3880  }
3881
3882  return data;
3883}
3884
3885// checks a cache object for emptiness
3886function isEmptyDataObject( obj ) {
3887  var name;
3888  for ( name in obj ) {
3889
3890    // if the public data object is empty, the private is still empty
3891    if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3892      continue;
3893    }
3894    if ( name !== "toJSON" ) {
3895      return false;
3896    }
3897  }
3898
3899  return true;
3900}
3901jQuery.extend({
3902  queue: function( elem, type, data ) {
3903    var queue;
3904
3905    if ( elem ) {
3906      type = ( type || "fx" ) + "queue";
3907      queue = jQuery._data( elem, type );
3908
3909      // Speed up dequeue by getting out quickly if this is just a lookup
3910      if ( data ) {
3911        if ( !queue || jQuery.isArray(data) ) {
3912          queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3913        } else {
3914          queue.push( data );
3915        }
3916      }
3917      return queue || [];
3918    }
3919  },
3920
3921  dequeue: function( elem, type ) {
3922    type = type || "fx";
3923
3924    var queue = jQuery.queue( elem, type ),
3925      startLength = queue.length,
3926      fn = queue.shift(),
3927      hooks = jQuery._queueHooks( elem, type ),
3928      next = function() {
3929        jQuery.dequeue( elem, type );
3930      };
3931
3932    // If the fx queue is dequeued, always remove the progress sentinel
3933    if ( fn === "inprogress" ) {
3934      fn = queue.shift();
3935      startLength--;
3936    }
3937
3938    if ( fn ) {
3939
3940      // Add a progress sentinel to prevent the fx queue from being
3941      // automatically dequeued
3942      if ( type === "fx" ) {
3943        queue.unshift( "inprogress" );
3944      }
3945
3946      // clear up the last queue stop function
3947      delete hooks.stop;
3948      fn.call( elem, next, hooks );
3949    }
3950
3951    if ( !startLength && hooks ) {
3952      hooks.empty.fire();
3953    }
3954  },
3955
3956  // not intended for public consumption - generates a queueHooks object, or returns the current one
3957  _queueHooks: function( elem, type ) {
3958    var key = type + "queueHooks";
3959    return jQuery._data( elem, key ) || jQuery._data( elem, key, {
3960      empty: jQuery.Callbacks("once memory").add(function() {
3961        jQuery._removeData( elem, type + "queue" );
3962        jQuery._removeData( elem, key );
3963      })
3964    });
3965  }
3966});
3967
3968jQuery.fn.extend({
3969  queue: function( type, data ) {
3970    var setter = 2;
3971
3972    if ( typeof type !== "string" ) {
3973      data = type;
3974      type = "fx";
3975      setter--;
3976    }
3977
3978    if ( arguments.length < setter ) {
3979      return jQuery.queue( this[0], type );
3980    }
3981
3982    return data === undefined ?
3983      this :
3984      this.each(function() {
3985        var queue = jQuery.queue( this, type, data );
3986
3987        // ensure a hooks for this queue
3988        jQuery._queueHooks( this, type );
3989
3990        if ( type === "fx" && queue[0] !== "inprogress" ) {
3991          jQuery.dequeue( this, type );
3992        }
3993      });
3994  },
3995  dequeue: function( type ) {
3996    return this.each(function() {
3997      jQuery.dequeue( this, type );
3998    });
3999  },
4000  // Based off of the plugin by Clint Helfers, with permission.
4001  // http://blindsignals.com/index.php/2009/07/jquery-delay/
4002  delay: function( time, type ) {
4003    time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
4004    type = type || "fx";
4005
4006    return this.queue( type, function( next, hooks ) {
4007      var timeout = setTimeout( next, time );
4008      hooks.stop = function() {
4009        clearTimeout( timeout );
4010      };
4011    });
4012  },
4013  clearQueue: function( type ) {
4014    return this.queue( type || "fx", [] );
4015  },
4016  // Get a promise resolved when queues of a certain type
4017  // are emptied (fx is the type by default)
4018  promise: function( type, obj ) {
4019    var tmp,
4020      count = 1,
4021      defer = jQuery.Deferred(),
4022      elements = this,
4023      i = this.length,
4024      resolve = function() {
4025        if ( !( --count ) ) {
4026          defer.resolveWith( elements, [ elements ] );
4027        }
4028      };
4029
4030    if ( typeof type !== "string" ) {
4031      obj = type;
4032      type = undefined;
4033    }
4034    type = type || "fx";
4035
4036    while( i-- ) {
4037      tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4038      if ( tmp && tmp.empty ) {
4039        count++;
4040        tmp.empty.add( resolve );
4041      }
4042    }
4043    resolve();
4044    return defer.promise( obj );
4045  }
4046});
4047var nodeHook, boolHook,
4048  rclass = /[\t\r\n\f]/g,
4049  rreturn = /\r/g,
4050  rfocusable = /^(?:input|select|textarea|button|object)$/i,
4051  rclickable = /^(?:a|area)$/i,
4052  ruseDefault = /^(?:checked|selected)$/i,
4053  getSetAttribute = jQuery.support.getSetAttribute,
4054  getSetInput = jQuery.support.input;
4055
4056jQuery.fn.extend({
4057  attr: function( name, value ) {
4058    return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
4059  },
4060
4061  removeAttr: function( name ) {
4062    return this.each(function() {
4063      jQuery.removeAttr( this, name );
4064    });
4065  },
4066
4067  prop: function( name, value ) {
4068    return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
4069  },
4070
4071  removeProp: function( name ) {
4072    name = jQuery.propFix[ name ] || name;
4073    return this.each(function() {
4074      // try/catch handles cases where IE balks (such as removing a property on window)
4075      try {
4076        this[ name ] = undefined;
4077        delete this[ name ];
4078      } catch( e ) {}
4079    });
4080  },
4081
4082  addClass: function( value ) {
4083    var classes, elem, cur, clazz, j,
4084      i = 0,
4085      len = this.length,
4086      proceed = typeof value === "string" && value;
4087
4088    if ( jQuery.isFunction( value ) ) {
4089      return this.each(function( j ) {
4090        jQuery( this ).addClass( value.call( this, j, this.className ) );
4091      });
4092    }
4093
4094    if ( proceed ) {
4095      // The disjunction here is for better compressibility (see removeClass)
4096      classes = ( value || "" ).match( core_rnotwhite ) || [];
4097
4098      for ( ; i < len; i++ ) {
4099        elem = this[ i ];
4100        cur = elem.nodeType === 1 && ( elem.className ?
4101          ( " " + elem.className + " " ).replace( rclass, " " ) :
4102          " "
4103        );
4104
4105        if ( cur ) {
4106          j = 0;
4107          while ( (clazz = classes[j++]) ) {
4108            if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
4109              cur += clazz + " ";
4110            }
4111          }
4112          elem.className = jQuery.trim( cur );
4113
4114        }
4115      }
4116    }
4117
4118    return this;
4119  },
4120
4121  removeClass: function( value ) {
4122    var classes, elem, cur, clazz, j,
4123      i = 0,
4124      len = this.length,
4125      proceed = arguments.length === 0 || typeof value === "string" && value;
4126
4127    if ( jQuery.isFunction( value ) ) {
4128      return this.each(function( j ) {
4129        jQuery( this ).removeClass( value.call( this, j, this.className ) );
4130      });
4131    }
4132    if ( proceed ) {
4133      classes = ( value || "" ).match( core_rnotwhite ) || [];
4134
4135      for ( ; i < len; i++ ) {
4136        elem = this[ i ];
4137        // This expression is here for better compressibility (see addClass)
4138        cur = elem.nodeType === 1 && ( elem.className ?
4139          ( " " + elem.className + " " ).replace( rclass, " " ) :
4140          ""
4141        );
4142
4143        if ( cur ) {
4144          j = 0;
4145          while ( (clazz = classes[j++]) ) {
4146            // Remove *all* instances
4147            while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
4148              cur = cur.replace( " " + clazz + " ", " " );
4149            }
4150          }
4151          elem.className = value ? jQuery.trim( cur ) : "";
4152        }
4153      }
4154    }
4155
4156    return this;
4157  },
4158
4159  toggleClass: function( value, stateVal ) {
4160    var type = typeof value;
4161
4162    if ( typeof stateVal === "boolean" && type === "string" ) {
4163      return stateVal ? this.addClass( value ) : this.removeClass( value );
4164    }
4165
4166    if ( jQuery.isFunction( value ) ) {
4167      return this.each(function( i ) {
4168        jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
4169      });
4170    }
4171
4172    return this.each(function() {
4173      if ( type === "string" ) {
4174        // toggle individual class names
4175        var className,
4176          i = 0,
4177          self = jQuery( this ),
4178          classNames = value.match( core_rnotwhite ) || [];
4179
4180        while ( (className = classNames[ i++ ]) ) {
4181          // check each className given, space separated list
4182          if ( self.hasClass( className ) ) {
4183            self.removeClass( className );
4184          } else {
4185            self.addClass( className );
4186          }
4187        }
4188
4189      // Toggle whole class name
4190      } else if ( type === core_strundefined || type === "boolean" ) {
4191        if ( this.className ) {
4192          // store className if set
4193          jQuery._data( this, "__className__", this.className );
4194        }
4195
4196        // If the element has a class name or if we're passed "false",
4197        // then remove the whole classname (if there was one, the above saved it).
4198        // Otherwise bring back whatever was previously saved (if anything),
4199        // falling back to the empty string if nothing was stored.
4200        this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
4201      }
4202    });
4203  },
4204
4205  hasClass: function( selector ) {
4206    var className = " " + selector + " ",
4207      i = 0,
4208      l = this.length;
4209    for ( ; i < l; i++ ) {
4210      if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
4211        return true;
4212      }
4213    }
4214
4215    return false;
4216  },
4217
4218  val: function( value ) {
4219    var ret, hooks, isFunction,
4220      elem = this[0];
4221
4222    if ( !arguments.length ) {
4223      if ( elem ) {
4224        hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
4225
4226        if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
4227          return ret;
4228        }
4229
4230        ret = elem.value;
4231
4232        return typeof ret === "string" ?
4233          // handle most common string cases
4234          ret.replace(rreturn, "") :
4235          // handle cases where value is null/undef or number
4236          ret == null ? "" : ret;
4237      }
4238
4239      return;
4240    }
4241
4242    isFunction = jQuery.isFunction( value );
4243
4244    return this.each(function( i ) {
4245      var val;
4246
4247      if ( this.nodeType !== 1 ) {
4248        return;
4249      }
4250
4251      if ( isFunction ) {
4252        val = value.call( this, i, jQuery( this ).val() );
4253      } else {
4254        val = value;
4255      }
4256
4257      // Treat null/undefined as ""; convert numbers to string
4258      if ( val == null ) {
4259        val = "";
4260      } else if ( typeof val === "number" ) {
4261        val += "";
4262      } else if ( jQuery.isArray( val ) ) {
4263        val = jQuery.map(val, function ( value ) {
4264          return value == null ? "" : value + "";
4265        });
4266      }
4267
4268      hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
4269
4270      // If set returns undefined, fall back to normal setting
4271      if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
4272        this.value = val;
4273      }
4274    });
4275  }
4276});
4277
4278jQuery.extend({
4279  valHooks: {
4280    option: {
4281      get: function( elem ) {
4282        // Use proper attribute retrieval(#6932, #12072)
4283        var val = jQuery.find.attr( elem, "value" );
4284        return val != null ?
4285          val :
4286          elem.text;
4287      }
4288    },
4289    select: {
4290      get: function( elem ) {
4291        var value, option,
4292          options = elem.options,
4293          index = elem.selectedIndex,
4294          one = elem.type === "select-one" || index < 0,
4295          values = one ? null : [],
4296          max = one ? index + 1 : options.length,
4297          i = index < 0 ?
4298            max :
4299            one ? index : 0;
4300
4301        // Loop through all the selected options
4302        for ( ; i < max; i++ ) {
4303          option = options[ i ];
4304
4305          // oldIE doesn't update selected after form reset (#2551)
4306          if ( ( option.selected || i === index ) &&
4307              // Don't return options that are disabled or in a disabled optgroup
4308              ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
4309              ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
4310
4311            // Get the specific value for the option
4312            value = jQuery( option ).val();
4313
4314            // We don't need an array for one selects
4315            if ( one ) {
4316              return value;
4317            }
4318
4319            // Multi-Selects return an array
4320            values.push( value );
4321          }
4322        }
4323
4324        return values;
4325      },
4326
4327      set: function( elem, value ) {
4328        var optionSet, option,
4329          options = elem.options,
4330          values = jQuery.makeArray( value ),
4331          i = options.length;
4332
4333        while ( i-- ) {
4334          option = options[ i ];
4335          if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
4336            optionSet = true;
4337          }
4338        }
4339
4340        // force browsers to behave consistently when non-matching value is set
4341        if ( !optionSet ) {
4342          elem.selectedIndex = -1;
4343        }
4344        return values;
4345      }
4346    }
4347  },
4348
4349  attr: function( elem, name, value ) {
4350    var hooks, ret,
4351      nType = elem.nodeType;
4352
4353    // don't get/set attributes on text, comment and attribute nodes
4354    if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
4355      return;
4356    }
4357
4358    // Fallback to prop when attributes are not supported
4359    if ( typeof elem.getAttribute === core_strundefined ) {
4360      return jQuery.prop( elem, name, value );
4361    }
4362
4363    // All attributes are lowercase
4364    // Grab necessary hook if one is defined
4365    if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
4366      name = name.toLowerCase();
4367      hooks = jQuery.attrHooks[ name ] ||
4368        ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
4369    }
4370
4371    if ( value !== undefined ) {
4372
4373      if ( value === null ) {
4374        jQuery.removeAttr( elem, name );
4375
4376      } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
4377        return ret;
4378
4379      } else {
4380        elem.setAttribute( name, value + "" );
4381        return value;
4382      }
4383
4384    } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
4385      return ret;
4386
4387    } else {
4388      ret = jQuery.find.attr( elem, name );
4389
4390      // Non-existent attributes return null, we normalize to undefined
4391      return ret == null ?
4392        undefined :
4393        ret;
4394    }
4395  },
4396
4397  removeAttr: function( elem, value ) {
4398    var name, propName,
4399      i = 0,
4400      attrNames = value && value.match( core_rnotwhite );
4401
4402    if ( attrNames && elem.nodeType === 1 ) {
4403      while ( (name = attrNames[i++]) ) {
4404        propName = jQuery.propFix[ name ] || name;
4405
4406        // Boolean attributes get special treatment (#10870)
4407        if ( jQuery.expr.match.bool.test( name ) ) {
4408          // Set corresponding property to false
4409          if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
4410            elem[ propName ] = false;
4411          // Support: IE<9
4412          // Also clear defaultChecked/defaultSelected (if appropriate)
4413          } else {
4414            elem[ jQuery.camelCase( "default-" + name ) ] =
4415              elem[ propName ] = false;
4416          }
4417
4418        // See #9699 for explanation of this approach (setting first, then removal)
4419        } else {
4420          jQuery.attr( elem, name, "" );
4421        }
4422
4423        elem.removeAttribute( getSetAttribute ? name : propName );
4424      }
4425    }
4426  },
4427
4428  attrHooks: {
4429    type: {
4430      set: function( elem, value ) {
4431        if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
4432          // Setting the type on a radio button after the value resets the value in IE6-9
4433          // Reset value to default in case type is set after value during creation
4434          var val = elem.value;
4435          elem.setAttribute( "type", value );
4436          if ( val ) {
4437            elem.value = val;
4438          }
4439          return value;
4440        }
4441      }
4442    }
4443  },
4444
4445  propFix: {
4446    "for": "htmlFor",
4447    "class": "className"
4448  },
4449
4450  prop: function( elem, name, value ) {
4451    var ret, hooks, notxml,
4452      nType = elem.nodeType;
4453
4454    // don't get/set properties on text, comment and attribute nodes
4455    if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
4456      return;
4457    }
4458
4459    notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
4460
4461    if ( notxml ) {
4462      // Fix name and attach hooks
4463      name = jQuery.propFix[ name ] || name;
4464      hooks = jQuery.propHooks[ name ];
4465    }
4466
4467    if ( value !== undefined ) {
4468      return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
4469        ret :
4470        ( elem[ name ] = value );
4471
4472    } else {
4473      return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
4474        ret :
4475        elem[ name ];
4476    }
4477  },
4478
4479  propHooks: {
4480    tabIndex: {
4481      get: function( elem ) {
4482        // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
4483        // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
4484        // Use proper attribute retrieval(#12072)
4485        var tabindex = jQuery.find.attr( elem, "tabindex" );
4486
4487        return tabindex ?
4488          parseInt( tabindex, 10 ) :
4489          rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
4490            0 :
4491            -1;
4492      }
4493    }
4494  }
4495});
4496
4497// Hooks for boolean attributes
4498boolHook = {
4499  set: function( elem, value, name ) {
4500    if ( value === false ) {
4501      // Remove boolean attributes when set to false
4502      jQuery.removeAttr( elem, name );
4503    } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
4504      // IE<8 needs the *property* name
4505      elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
4506
4507    // Use defaultChecked and defaultSelected for oldIE
4508    } else {
4509      elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
4510    }
4511
4512    return name;
4513  }
4514};
4515jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
4516  var getter = jQuery.expr.attrHandle[ name ] || jQuery.find.attr;
4517
4518  jQuery.expr.attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
4519    function( elem, name, isXML ) {
4520      var fn = jQuery.expr.attrHandle[ name ],
4521        ret = isXML ?
4522          undefined :
4523          /* jshint eqeqeq: false */
4524          (jQuery.expr.attrHandle[ name ] = undefined) !=
4525            getter( elem, name, isXML ) ?
4526
4527            name.toLowerCase() :
4528            null;
4529      jQuery.expr.attrHandle[ name ] = fn;
4530      return ret;
4531    } :
4532    function( elem, name, isXML ) {
4533      return isXML ?
4534        undefined :
4535        elem[ jQuery.camelCase( "default-" + name ) ] ?
4536          name.toLowerCase() :
4537          null;
4538    };
4539});
4540
4541// fix oldIE attroperties
4542if ( !getSetInput || !getSetAttribute ) {
4543  jQuery.attrHooks.value = {
4544    set: function( elem, value, name ) {
4545      if ( jQuery.nodeName( elem, "input" ) ) {
4546        // Does not return so that setAttribute is also used
4547        elem.defaultValue = value;
4548      } else {
4549        // Use nodeHook if defined (#1954); otherwise setAttribute is fine
4550        return nodeHook && nodeHook.set( elem, value, name );
4551      }
4552    }
4553  };
4554}
4555
4556// IE6/7 do not support getting/setting some attributes with get/setAttribute
4557if ( !getSetAttribute ) {
4558
4559  // Use this for any attribute in IE6/7
4560  // This fixes almost every IE6/7 issue
4561  nodeHook = {
4562    set: function( elem, value, name ) {
4563      // Set the existing or create a new attribute node
4564      var ret = elem.getAttributeNode( name );
4565      if ( !ret ) {
4566        elem.setAttributeNode(
4567          (ret = elem.ownerDocument.createAttribute( name ))
4568        );
4569      }
4570
4571      ret.value = value += "";
4572
4573      // Break association with cloned elements by also using setAttribute (#9646)
4574      return name === "value" || value === elem.getAttribute( name ) ?
4575        value :
4576        undefined;
4577    }
4578  };
4579  jQuery.expr.attrHandle.id = jQuery.expr.attrHandle.name = jQuery.expr.attrHandle.coords =
4580    // Some attributes are constructed with empty-string values when not defined
4581    function( elem, name, isXML ) {
4582      var ret;
4583      return isXML ?
4584        undefined :
4585        (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
4586          ret.value :
4587          null;
4588    };
4589  jQuery.valHooks.button = {
4590    get: function( elem, name ) {
4591      var ret = elem.getAttributeNode( name );
4592      return ret && ret.specified ?
4593        ret.value :
4594        undefined;
4595    },
4596    set: nodeHook.set
4597  };
4598
4599  // Set contenteditable to false on removals(#10429)
4600  // Setting to empty string throws an error as an invalid value
4601  jQuery.attrHooks.contenteditable = {
4602    set: function( elem, value, name ) {
4603      nodeHook.set( elem, value === "" ? false : value, name );
4604    }
4605  };
4606
4607  // Set width and height to auto instead of 0 on empty string( Bug #8150 )
4608  // This is for removals
4609  jQuery.each([ "width", "height" ], function( i, name ) {
4610    jQuery.attrHooks[ name ] = {
4611      set: function( elem, value ) {
4612        if ( value === "" ) {
4613          elem.setAttribute( name, "auto" );
4614          return value;
4615        }
4616      }
4617    };
4618  });
4619}
4620
4621
4622// Some attributes require a special call on IE
4623// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
4624if ( !jQuery.support.hrefNormalized ) {
4625  // href/src property should get the full normalized URL (#10299/#12915)
4626  jQuery.each([ "href", "src" ], function( i, name ) {
4627    jQuery.propHooks[ name ] = {
4628      get: function( elem ) {
4629        return elem.getAttribute( name, 4 );
4630      }
4631    };
4632  });
4633}
4634
4635if ( !jQuery.support.style ) {
4636  jQuery.attrHooks.style = {
4637    get: function( elem ) {
4638      // Return undefined in the case of empty string
4639      // Note: IE uppercases css property names, but if we were to .toLowerCase()
4640      // .cssText, that would destroy case senstitivity in URL's, like in "background"
4641      return elem.style.cssText || undefined;
4642    },
4643    set: function( elem, value ) {
4644      return ( elem.style.cssText = value + "" );
4645    }
4646  };
4647}
4648
4649// Safari mis-reports the default selected property of an option
4650// Accessing the parent's selectedIndex property fixes it
4651if ( !jQuery.support.optSelected ) {
4652  jQuery.propHooks.selected = {
4653    get: function( elem ) {
4654      var parent = elem.parentNode;
4655
4656      if ( parent ) {
4657        parent.selectedIndex;
4658
4659        // Make sure that it also works with optgroups, see #5701
4660        if ( parent.parentNode ) {
4661          parent.parentNode.selectedIndex;
4662        }
4663      }
4664      return null;
4665    }
4666  };
4667}
4668
4669jQuery.each([
4670  "tabIndex",
4671  "readOnly",
4672  "maxLength",
4673  "cellSpacing",
4674  "cellPadding",
4675  "rowSpan",
4676  "colSpan",
4677  "useMap",
4678  "frameBorder",
4679  "contentEditable"
4680], function() {
4681  jQuery.propFix[ this.toLowerCase() ] = this;
4682});
4683
4684// IE6/7 call enctype encoding
4685if ( !jQuery.support.enctype ) {
4686  jQuery.propFix.enctype = "encoding";
4687}
4688
4689// Radios and checkboxes getter/setter
4690jQuery.each([ "radio", "checkbox" ], function() {
4691  jQuery.valHooks[ this ] = {
4692    set: function( elem, value ) {
4693      if ( jQuery.isArray( value ) ) {
4694        return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
4695      }
4696    }
4697  };
4698  if ( !jQuery.support.checkOn ) {
4699    jQuery.valHooks[ this ].get = function( elem ) {
4700      // Support: Webkit
4701      // "" is returned instead of "on" if a value isn't specified
4702      return elem.getAttribute("value") === null ? "on" : elem.value;
4703    };
4704  }
4705});
4706var rformElems = /^(?:input|select|textarea)$/i,
4707  rkeyEvent = /^key/,
4708  rmouseEvent = /^(?:mouse|contextmenu)|click/,
4709  rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4710  rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4711
4712function returnTrue() {
4713  return true;
4714}
4715
4716function returnFalse() {
4717  return false;
4718}
4719
4720function safeActiveElement() { try { return document.activeElement; } catch (
4721err ) { } }
4722
4723/*
4724 * Helper functions for managing events -- not part of the public interface.
4725 * Props to Dean Edwards' addEvent library for many of the ideas.
4726 */
4727jQuery.event = {
4728
4729  global: {},
4730
4731  add: function( elem, types, handler, data, selector ) {
4732    var tmp, events, t, handleObjIn,
4733      special, eventHandle, handleObj,
4734      handlers, type, namespaces, origType,
4735      elemData = jQuery._data( elem );
4736
4737    // Don't attach events to noData or text/comment nodes (but allow plain objects)
4738    if ( !elemData ) {
4739      return;
4740    }
4741
4742    // Caller can pass in an object of custom data in lieu of the handler
4743    if ( handler.handler ) {
4744      handleObjIn = handler;
4745      handler = handleObjIn.handler;
4746      selector = handleObjIn.selector;
4747    }
4748
4749    // Make sure that the handler has a unique ID, used to find/remove it later
4750    if ( !handler.guid ) {
4751      handler.guid = jQuery.guid++;
4752    }
4753
4754    // Init the element's event structure and main handler, if this is the first
4755    if ( !(events = elemData.events) ) {
4756      events = elemData.events = {};
4757    }
4758    if ( !(eventHandle = elemData.handle) ) {
4759      eventHandle = elemData.handle = function( e ) {
4760        // Discard the second event of a jQuery.event.trigger() and
4761        // when an event is called after a page has unloaded
4762        return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
4763          jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4764          undefined;
4765      };
4766      // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4767      eventHandle.elem = elem;
4768    }
4769
4770    // Handle multiple events separated by a space
4771    types = ( types || "" ).match( core_rnotwhite ) || [""];
4772    t = types.length;
4773    while ( t-- ) {
4774      tmp = rtypenamespace.exec( types[t] ) || [];
4775      type = origType = tmp[1];
4776      namespaces = ( tmp[2] || "" ).split( "." ).sort();
4777
4778      // There *must* be a type, no attaching namespace-only handlers
4779      if ( !type ) {
4780        continue;
4781      }
4782
4783      // If event changes its type, use the special event handlers for the changed type
4784      special = jQuery.event.special[ type ] || {};
4785
4786      // If selector defined, determine special event api type, otherwise given type
4787      type = ( selector ? special.delegateType : special.bindType ) || type;
4788
4789      // Update special based on newly reset type
4790      special = jQuery.event.special[ type ] || {};
4791
4792      // handleObj is passed to all event handlers
4793      handleObj = jQuery.extend({
4794        type: type,
4795        origType: origType,
4796        data: data,
4797        handler: handler,
4798        guid: handler.guid,
4799        selector: selector,
4800        needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4801        namespace: namespaces.join(".")
4802      }, handleObjIn );
4803
4804      // Init the event handler queue if we're the first
4805      if ( !(handlers = events[ type ]) ) {
4806        handlers = events[ type ] = [];
4807        handlers.delegateCount = 0;
4808
4809        // Only use addEventListener/attachEvent if the special events handler returns false
4810        if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4811          // Bind the global event handler to the element
4812          if ( elem.addEventListener ) {
4813            elem.addEventListener( type, eventHandle, false );
4814
4815          } else if ( elem.attachEvent ) {
4816            elem.attachEvent( "on" + type, eventHandle );
4817          }
4818        }
4819      }
4820
4821      if ( special.add ) {
4822        special.add.call( elem, handleObj );
4823
4824        if ( !handleObj.handler.guid ) {
4825          handleObj.handler.guid = handler.guid;
4826        }
4827      }
4828
4829      // Add to the element's handler list, delegates in front
4830      if ( selector ) {
4831        handlers.splice( handlers.delegateCount++, 0, handleObj );
4832      } else {
4833        handlers.push( handleObj );
4834      }
4835
4836      // Keep track of which events have ever been used, for event optimization
4837      jQuery.event.global[ type ] = true;
4838    }
4839
4840    // Nullify elem to prevent memory leaks in IE
4841    elem = null;
4842  },
4843
4844  // Detach an event or set of events from an element
4845  remove: function( elem, types, handler, selector, mappedTypes ) {
4846    var j, handleObj, tmp,
4847      origCount, t, events,
4848      special, handlers, type,
4849      namespaces, origType,
4850      elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4851
4852    if ( !elemData || !(events = elemData.events) ) {
4853      return;
4854    }
4855
4856    // Once for each type.namespace in types; type may be omitted
4857    types = ( types || "" ).match( core_rnotwhite ) || [""];
4858    t = types.length;
4859    while ( t-- ) {
4860      tmp = rtypenamespace.exec( types[t] ) || [];
4861      type = origType = tmp[1];
4862      namespaces = ( tmp[2] || "" ).split( "." ).sort();
4863
4864      // Unbind all events (on this namespace, if provided) for the element
4865      if ( !type ) {
4866        for ( type in events ) {
4867          jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4868        }
4869        continue;
4870      }
4871
4872      special = jQuery.event.special[ type ] || {};
4873      type = ( selector ? special.delegateType : special.bindType ) || type;
4874      handlers = events[ type ] || [];
4875      tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4876
4877      // Remove matching events
4878      origCount = j = handlers.length;
4879      while ( j-- ) {
4880        handleObj = handlers[ j ];
4881
4882        if ( ( mappedTypes || origType === handleObj.origType ) &&
4883          ( !handler || handler.guid === handleObj.guid ) &&
4884          ( !tmp || tmp.test( handleObj.namespace ) ) &&
4885          ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4886          handlers.splice( j, 1 );
4887
4888          if ( handleObj.selector ) {
4889            handlers.delegateCount--;
4890          }
4891          if ( special.remove ) {
4892            special.remove.call( elem, handleObj );
4893          }
4894        }
4895      }
4896
4897      // Remove generic event handler if we removed something and no more handlers exist
4898      // (avoids potential for endless recursion during removal of special event handlers)
4899      if ( origCount && !handlers.length ) {
4900        if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4901          jQuery.removeEvent( elem, type, elemData.handle );
4902        }
4903
4904        delete events[ type ];
4905      }
4906    }
4907
4908    // Remove the expando if it's no longer used
4909    if ( jQuery.isEmptyObject( events ) ) {
4910      delete elemData.handle;
4911
4912      // removeData also checks for emptiness and clears the expando if empty
4913      // so use it instead of delete
4914      jQuery._removeData( elem, "events" );
4915    }
4916  },
4917
4918  trigger: function( event, data, elem, onlyHandlers ) {
4919    var handle, ontype, cur,
4920      bubbleType, special, tmp, i,
4921      eventPath = [ elem || document ],
4922      type = core_hasOwn.call( event, "type" ) ? event.type : event,
4923      namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4924
4925    cur = tmp = elem = elem || document;
4926
4927    // Don't do events on text and comment nodes
4928    if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4929      return;
4930    }
4931
4932    // focus/blur morphs to focusin/out; ensure we're not firing them right now
4933    if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4934      return;
4935    }
4936
4937    if ( type.indexOf(".") >= 0 ) {
4938      // Namespaced trigger; create a regexp to match event type in handle()
4939      namespaces = type.split(".");
4940      type = namespaces.shift();
4941      namespaces.sort();
4942    }
4943    ontype = type.indexOf(":") < 0 && "on" + type;
4944
4945    // Caller can pass in a jQuery.Event object, Object, or just an event type string
4946    event = event[ jQuery.expando ] ?
4947      event :
4948      new jQuery.Event( type, typeof event === "object" && event );
4949
4950    // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4951    event.isTrigger = onlyHandlers ? 2 : 3;
4952    event.namespace = namespaces.join(".");
4953    event.namespace_re = event.namespace ?
4954      new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4955      null;
4956
4957    // Clean up the event in case it is being reused
4958    event.result = undefined;
4959    if ( !event.target ) {
4960      event.target = elem;
4961    }
4962
4963    // Clone any incoming data and prepend the event, creating the handler arg list
4964    data = data == null ?
4965      [ event ] :
4966      jQuery.makeArray( data, [ event ] );
4967
4968    // Allow special events to draw outside the lines
4969    special = jQuery.event.special[ type ] || {};
4970    if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4971      return;
4972    }
4973
4974    // Determine event propagation path in advance, per W3C events spec (#9951)
4975    // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4976    if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4977
4978      bubbleType = special.delegateType || type;
4979      if ( !rfocusMorph.test( bubbleType + type ) ) {
4980        cur = cur.parentNode;
4981      }
4982      for ( ; cur; cur = cur.parentNode ) {
4983        eventPath.push( cur );
4984        tmp = cur;
4985      }
4986
4987      // Only add window if we got to document (e.g., not plain obj or detached DOM)
4988      if ( tmp === (elem.ownerDocument || document) ) {
4989        eventPath.push( tmp.defaultView || tmp.parentWindow || window );
4990      }
4991    }
4992
4993    // Fire handlers on the event path
4994    i = 0;
4995    while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
4996
4997      event.type = i > 1 ?
4998        bubbleType :
4999        special.bindType || type;
5000
5001      // jQuery handler
5002      handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
5003      if ( handle ) {
5004        handle.apply( cur, data );
5005      }
5006
5007      // Native handler
5008      handle = ontype && cur[ ontype ];
5009      if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
5010        event.preventDefault();
5011      }
5012    }
5013    event.type = type;
5014
5015    // If nobody prevented the default action, do it now
5016    if ( !onlyHandlers && !event.isDefaultPrevented() ) {
5017
5018      if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
5019        jQuery.acceptData( elem ) ) {
5020
5021        // Call a native DOM method on the target with the same name name as the event.
5022        // Can't use an .isFunction() check here because IE6/7 fails that test.
5023        // Don't do default actions on window, that's where global variables be (#6170)
5024        if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
5025
5026          // Don't re-trigger an onFOO event when we call its FOO() method
5027          tmp = elem[ ontype ];
5028
5029          if ( tmp ) {
5030            elem[ ontype ] = null;
5031          }
5032
5033          // Prevent re-triggering of the same event, since we already bubbled it above
5034          jQuery.event.triggered = type;
5035          try {
5036            elem[ type ]();
5037          } catch ( e ) {
5038            // IE<9 dies on focus/blur to hidden element (#1486,#12518)
5039            // only reproducible on winXP IE8 native, not IE9 in IE8 mode
5040          }
5041          jQuery.event.triggered = undefined;
5042
5043          if ( tmp ) {
5044            elem[ ontype ] = tmp;
5045          }
5046        }
5047      }
5048    }
5049
5050    return event.result;
5051  },
5052
5053  dispatch: function( event ) {
5054
5055    // Make a writable jQuery.Event from the native event object
5056    event = jQuery.event.fix( event );
5057
5058    var i, ret, handleObj, matched, j,
5059      handlerQueue = [],
5060      args = core_slice.call( arguments ),
5061      handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
5062      special = jQuery.event.special[ event.type ] || {};
5063
5064    // Use the fix-ed jQuery.Event rather than the (read-only) native event
5065    args[0] = event;
5066    event.delegateTarget = this;
5067
5068    // Call the preDispatch hook for the mapped type, and let it bail if desired
5069    if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5070      return;
5071    }
5072
5073    // Determine handlers
5074    handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5075
5076    // Run delegates first; they may want to stop propagation beneath us
5077    i = 0;
5078    while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
5079      event.currentTarget = matched.elem;
5080
5081      j = 0;
5082      while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
5083
5084        // Triggered event must either 1) have no namespace, or
5085        // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
5086        if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
5087
5088          event.handleObj = handleObj;
5089          event.data = handleObj.data;
5090
5091          ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
5092              .apply( matched.elem, args );
5093
5094          if ( ret !== undefined ) {
5095            if ( (event.result = ret) === false ) {
5096              event.preventDefault();
5097              event.stopPropagation();
5098            }
5099          }
5100        }
5101      }
5102    }
5103
5104    // Call the postDispatch hook for the mapped type
5105    if ( special.postDispatch ) {
5106      special.postDispatch.call( this, event );
5107    }
5108
5109    return event.result;
5110  },
5111
5112  handlers: function( event, handlers ) {
5113    var sel, handleObj, matches, i,
5114      handlerQueue = [],
5115      delegateCount = handlers.delegateCount,
5116      cur = event.target;
5117
5118    // Find delegate handlers
5119    // Black-hole SVG <use> instance trees (#13180)
5120    // Avoid non-left-click bubbling in Firefox (#3861)
5121    if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
5122
5123      /* jshint eqeqeq: false */
5124      for ( ; cur != this; cur = cur.parentNode || this ) {
5125        /* jshint eqeqeq: true */
5126
5127        // Don't check non-elements (#13208)
5128        // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5129        if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
5130          matches = [];
5131          for ( i = 0; i < delegateCount; i++ ) {
5132            handleObj = handlers[ i ];
5133
5134            // Don't conflict with Object.prototype properties (#13203)
5135            sel = handleObj.selector + " ";
5136
5137            if ( matches[ sel ] === undefined ) {
5138              matches[ sel ] = handleObj.needsContext ?
5139                jQuery( sel, this ).index( cur ) >= 0 :
5140                jQuery.find( sel, this, null, [ cur ] ).length;
5141            }
5142            if ( matches[ sel ] ) {
5143              matches.push( handleObj );
5144            }
5145          }
5146          if ( matches.length ) {
5147            handlerQueue.push({ elem: cur, handlers: matches });
5148          }
5149        }
5150      }
5151    }
5152
5153    // Add the remaining (directly-bound) handlers
5154    if ( delegateCount < handlers.length ) {
5155      handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
5156    }
5157
5158    return handlerQueue;
5159  },
5160
5161  fix: function( event ) {
5162    if ( event[ jQuery.expando ] ) {
5163      return event;
5164    }
5165
5166    // Create a writable copy of the event object and normalize some properties
5167    var i, prop, copy,
5168      type = event.type,
5169      originalEvent = event,
5170      fixHook = this.fixHooks[ type ];
5171
5172    if ( !fixHook ) {
5173      this.fixHooks[ type ] = fixHook =
5174        rmouseEvent.test( type ) ? this.mouseHooks :
5175        rkeyEvent.test( type ) ? this.keyHooks :
5176        {};
5177    }
5178    copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
5179
5180    event = new jQuery.Event( originalEvent );
5181
5182    i = copy.length;
5183    while ( i-- ) {
5184      prop = copy[ i ];
5185      event[ prop ] = originalEvent[ prop ];
5186    }
5187
5188    // Support: IE<9
5189    // Fix target property (#1925)
5190    if ( !event.target ) {
5191      event.target = originalEvent.srcElement || document;
5192    }
5193
5194    // Support: Chrome 23+, Safari?
5195    // Target should not be a text node (#504, #13143)
5196    if ( event.target.nodeType === 3 ) {
5197      event.target = event.target.parentNode;
5198    }
5199
5200    // Support: IE<9
5201    // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
5202    event.metaKey = !!event.metaKey;
5203
5204    return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
5205  },
5206
5207  // Includes some event props shared by KeyEvent and MouseEvent
5208  props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
5209
5210  fixHooks: {},
5211
5212  keyHooks: {
5213    props: "char charCode key keyCode".split(" "),
5214    filter: function( event, original ) {
5215
5216      // Add which for key events
5217      if ( event.which == null ) {
5218        event.which = original.charCode != null ? original.charCode : original.keyCode;
5219      }
5220
5221      return event;
5222    }
5223  },
5224
5225  mouseHooks: {
5226    props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
5227    filter: function( event, original ) {
5228      var body, eventDoc, doc,
5229        button = original.button,
5230        fromElement = original.fromElement;
5231
5232      // Calculate pageX/Y if missing and clientX/Y available
5233      if ( event.pageX == null && original.clientX != null ) {
5234        eventDoc = event.target.ownerDocument || document;
5235        doc = eventDoc.documentElement;
5236        body = eventDoc.body;
5237
5238        event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
5239        event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
5240      }
5241
5242      // Add relatedTarget, if necessary
5243      if ( !event.relatedTarget && fromElement ) {
5244        event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
5245      }
5246
5247      // Add which for click: 1 === left; 2 === middle; 3 === right
5248      // Note: button is not normalized, so don't use it
5249      if ( !event.which && button !== undefined ) {
5250        event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
5251      }
5252
5253      return event;
5254    }
5255  },
5256
5257  special: {
5258    load: {
5259      // Prevent triggered image.load events from bubbling to window.load
5260      noBubble: true
5261    },
5262    focus: {
5263      // Fire native event if possible so blur/focus sequence is correct
5264      trigger: function() {
5265        if ( this !== safeActiveElement() && this.focus ) {
5266          try {
5267            this.focus();
5268            return false;
5269          } catch ( e ) {
5270            // Support: IE<9
5271            // If we error on focus to hidden element (#1486, #12518),
5272            // let .trigger() run the handlers
5273          }
5274        }
5275      },
5276      delegateType: "focusin"
5277    },
5278    blur: {
5279      trigger: function() {
5280        if ( this === safeActiveElement() && this.blur ) {
5281          this.blur();
5282          return false;
5283        }
5284      },
5285      delegateType: "focusout"
5286    },
5287    click: {
5288      // For checkbox, fire native event so checked state will be right
5289      trigger: function() {
5290        if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
5291          this.click();
5292          return false;
5293        }
5294      },
5295
5296      // For cross-browser consistency, don't fire native .click() on links
5297      _default: function( event ) {
5298        return jQuery.nodeName( event.target, "a" );
5299      }
5300    },
5301
5302    beforeunload: {
5303      postDispatch: function( event ) {
5304
5305        // Even when returnValue equals to undefined Firefox will still show alert
5306        if ( event.result !== undefined ) {
5307          event.originalEvent.returnValue = event.result;
5308        }
5309      }
5310    }
5311  },
5312
5313  simulate: function( type, elem, event, bubble ) {
5314    // Piggyback on a donor event to simulate a different one.
5315    // Fake originalEvent to avoid donor's stopPropagation, but if the
5316    // simulated event prevents default then we do the same on the donor.
5317    var e = jQuery.extend(
5318      new jQuery.Event(),
5319      event,
5320      {
5321        type: type,
5322        isSimulated: true,
5323        originalEvent: {}
5324      }
5325    );
5326    if ( bubble ) {
5327      jQuery.event.trigger( e, null, elem );
5328    } else {
5329      jQuery.event.dispatch.call( elem, e );
5330    }
5331    if ( e.isDefaultPrevented() ) {
5332      event.preventDefault();
5333    }
5334  }
5335};
5336
5337jQuery.removeEvent = document.removeEventListener ?
5338  function( elem, type, handle ) {
5339    if ( elem.removeEventListener ) {
5340      elem.removeEventListener( type, handle, false );
5341    }
5342  } :
5343  function( elem, type, handle ) {
5344    var name = "on" + type;
5345
5346    if ( elem.detachEvent ) {
5347
5348      // #8545, #7054, preventing memory leaks for custom events in IE6-8
5349      // detachEvent needed property on element, by name of that event, to properly expose it to GC
5350      if ( typeof elem[ name ] === core_strundefined ) {
5351        elem[ name ] = null;
5352      }
5353
5354      elem.detachEvent( name, handle );
5355    }
5356  };
5357
5358jQuery.Event = function( src, props ) {
5359  // Allow instantiation without the 'new' keyword
5360  if ( !(this instanceof jQuery.Event) ) {
5361    return new jQuery.Event( src, props );
5362  }
5363
5364  // Event object
5365  if ( src && src.type ) {
5366    this.originalEvent = src;
5367    this.type = src.type;
5368
5369    // Events bubbling up the document may have been marked as prevented
5370    // by a handler lower down the tree; reflect the correct value.
5371    this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
5372      src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
5373
5374  // Event type
5375  } else {
5376    this.type = src;
5377  }
5378
5379  // Put explicitly provided properties onto the event object
5380  if ( props ) {
5381    jQuery.extend( this, props );
5382  }
5383
5384  // Create a timestamp if incoming event doesn't have one
5385  this.timeStamp = src && src.timeStamp || jQuery.now();
5386
5387  // Mark it as fixed
5388  this[ jQuery.expando ] = true;
5389};
5390
5391// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5392// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5393jQuery.Event.prototype = {
5394  isDefaultPrevented: returnFalse,
5395  isPropagationStopped: returnFalse,
5396  isImmediatePropagationStopped: returnFalse,
5397
5398  preventDefault: function() {
5399    var e = this.originalEvent;
5400
5401    this.isDefaultPrevented = returnTrue;
5402    if ( !e ) {
5403      return;
5404    }
5405
5406    // If preventDefault exists, run it on the original event
5407    if ( e.preventDefault ) {
5408      e.preventDefault();
5409
5410    // Support: IE
5411    // Otherwise set the returnValue property of the original event to false
5412    } else {
5413      e.returnValue = false;
5414    }
5415  },
5416  stopPropagation: function() {
5417    var e = this.originalEvent;
5418
5419    this.isPropagationStopped = returnTrue;
5420    if ( !e ) {
5421      return;
5422    }
5423    // If stopPropagation exists, run it on the original event
5424    if ( e.stopPropagation ) {
5425      e.stopPropagation();
5426    }
5427
5428    // Support: IE
5429    // Set the cancelBubble property of the original event to true
5430    e.cancelBubble = true;
5431  },
5432  stopImmediatePropagation: function() {
5433    this.isImmediatePropagationStopped = returnTrue;
5434    this.stopPropagation();
5435  }
5436};
5437
5438// Create mouseenter/leave events using mouseover/out and event-time checks
5439jQuery.each({
5440  mouseenter: "mouseover",
5441  mouseleave: "mouseout"
5442}, function( orig, fix ) {
5443  jQuery.event.special[ orig ] = {
5444    delegateType: fix,
5445    bindType: fix,
5446
5447    handle: function( event ) {
5448      var ret,
5449        target = this,
5450        related = event.relatedTarget,
5451        handleObj = event.handleObj;
5452
5453      // For mousenter/leave call the handler if related is outside the target.
5454      // NB: No relatedTarget if the mouse left/entered the browser window
5455      if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
5456        event.type = handleObj.origType;
5457        ret = handleObj.handler.apply( this, arguments );
5458        event.type = fix;
5459      }
5460      return ret;
5461    }
5462  };
5463});
5464
5465// IE submit delegation
5466if ( !jQuery.support.submitBubbles ) {
5467
5468  jQuery.event.special.submit = {
5469    setup: function() {
5470      // Only need this for delegated form submit events
5471      if ( jQuery.nodeName( this, "form" ) ) {
5472        return false;
5473      }
5474
5475      // Lazy-add a submit handler when a descendant form may potentially be submitted
5476      jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5477        // Node name check avoids a VML-related crash in IE (#9807)
5478        var elem = e.target,
5479          form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5480        if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5481          jQuery.event.add( form, "submit._submit", function( event ) {
5482            event._submit_bubble = true;
5483          });
5484          jQuery._data( form, "submitBubbles", true );
5485        }
5486      });
5487      // return undefined since we don't need an event listener
5488    },
5489
5490    postDispatch: function( event ) {
5491      // If form was submitted by the user, bubble the event up the tree
5492      if ( event._submit_bubble ) {
5493        delete event._submit_bubble;
5494        if ( this.parentNode && !event.isTrigger ) {
5495          jQuery.event.simulate( "submit", this.parentNode, event, true );
5496        }
5497      }
5498    },
5499
5500    teardown: function() {
5501      // Only need this for delegated form submit events
5502      if ( jQuery.nodeName( this, "form" ) ) {
5503        return false;
5504      }
5505
5506      // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5507      jQuery.event.remove( this, "._submit" );
5508    }
5509  };
5510}
5511
5512// IE change delegation and checkbox/radio fix
5513if ( !jQuery.support.changeBubbles ) {
5514
5515  jQuery.event.special.change = {
5516
5517    setup: function() {
5518
5519      if ( rformElems.test( this.nodeName ) ) {
5520        // IE doesn't fire change on a check/radio until blur; trigger it on click
5521        // after a propertychange. Eat the blur-change in special.change.handle.
5522        // This still fires onchange a second time for check/radio after blur.
5523        if ( this.type === "checkbox" || this.type === "radio" ) {
5524          jQuery.event.add( this, "propertychange._change", function( event ) {
5525            if ( event.originalEvent.propertyName === "checked" ) {
5526              this._just_changed = true;
5527            }
5528          });
5529          jQuery.event.add( this, "click._change", function( event ) {
5530            if ( this._just_changed && !event.isTrigger ) {
5531              this._just_changed = false;
5532            }
5533            // Allow triggered, simulated change events (#11500)
5534            jQuery.event.simulate( "change", this, event, true );
5535          });
5536        }
5537        return false;
5538      }
5539      // Delegated event; lazy-add a change handler on descendant inputs
5540      jQuery.event.add( this, "beforeactivate._change", function( e ) {
5541        var elem = e.target;
5542
5543        if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5544          jQuery.event.add( elem, "change._change", function( event ) {
5545            if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5546              jQuery.event.simulate( "change", this.parentNode, event, true );
5547            }
5548          });
5549          jQuery._data( elem, "changeBubbles", true );
5550        }
5551      });
5552    },
5553
5554    handle: function( event ) {
5555      var elem = event.target;
5556
5557      // Swallow native change events from checkbox/radio, we already triggered them above
5558      if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5559        return event.handleObj.handler.apply( this, arguments );
5560      }
5561    },
5562
5563    teardown: function() {
5564      jQuery.event.remove( this, "._change" );
5565
5566      return !rformElems.test( this.nodeName );
5567    }
5568  };
5569}
5570
5571// Create "bubbling" focus and blur events
5572if ( !jQuery.support.focusinBubbles ) {
5573  jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5574
5575    // Attach a single capturing handler while someone wants focusin/focusout
5576    var attaches = 0,
5577      handler = function( event ) {
5578        jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5579      };
5580
5581    jQuery.event.special[ fix ] = {
5582      setup: function() {
5583        if ( attaches++ === 0 ) {
5584          document.addEventListener( orig, handler, true );
5585        }
5586      },
5587      teardown: function() {
5588        if ( --attaches === 0 ) {
5589          document.removeEventListener( orig, handler, true );
5590        }
5591      }
5592    };
5593  });
5594}
5595
5596jQuery.fn.extend({
5597
5598  on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5599    var type, origFn;
5600
5601    // Types can be a map of types/handlers
5602    if ( typeof types === "object" ) {
5603      // ( types-Object, selector, data )
5604      if ( typeof selector !== "string" ) {
5605        // ( types-Object, data )
5606        data = data || selector;
5607        selector = undefined;
5608      }
5609      for ( type in types ) {
5610        this.on( type, selector, data, types[ type ], one );
5611      }
5612      return this;
5613    }
5614
5615    if ( data == null && fn == null ) {
5616      // ( types, fn )
5617      fn = selector;
5618      data = selector = undefined;
5619    } else if ( fn == null ) {
5620      if ( typeof selector === "string" ) {
5621        // ( types, selector, fn )
5622        fn = data;
5623        data = undefined;
5624      } else {
5625        // ( types, data, fn )
5626        fn = data;
5627        data = selector;
5628        selector = undefined;
5629      }
5630    }
5631    if ( fn === false ) {
5632      fn = returnFalse;
5633    } else if ( !fn ) {
5634      return this;
5635    }
5636
5637    if ( one === 1 ) {
5638      origFn = fn;
5639      fn = function( event ) {
5640        // Can use an empty set, since event contains the info
5641        jQuery().off( event );
5642        return origFn.apply( this, arguments );
5643      };
5644      // Use same guid so caller can remove using origFn
5645      fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5646    }
5647    return this.each( function() {
5648      jQuery.event.add( this, types, fn, data, selector );
5649    });
5650  },
5651  one: function( types, selector, data, fn ) {
5652    return this.on( types, selector, data, fn, 1 );
5653  },
5654  off: function( types, selector, fn ) {
5655    var handleObj, type;
5656    if ( types && types.preventDefault && types.handleObj ) {
5657      // ( event )  dispatched jQuery.Event
5658      handleObj = types.handleObj;
5659      jQuery( types.delegateTarget ).off(
5660        handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5661        handleObj.selector,
5662        handleObj.handler
5663      );
5664      return this;
5665    }
5666    if ( typeof types === "object" ) {
5667      // ( types-object [, selector] )
5668      for ( type in types ) {
5669        this.off( type, selector, types[ type ] );
5670      }
5671      return this;
5672    }
5673    if ( selector === false || typeof selector === "function" ) {
5674      // ( types [, fn] )
5675      fn = selector;
5676      selector = undefined;
5677    }
5678    if ( fn === false ) {
5679      fn = returnFalse;
5680    }
5681    return this.each(function() {
5682      jQuery.event.remove( this, types, fn, selector );
5683    });
5684  },
5685
5686  trigger: function( type, data ) {
5687    return this.each(function() {
5688      jQuery.event.trigger( type, data, this );
5689    });
5690  },
5691  triggerHandler: function( type, data ) {
5692    var elem = this[0];
5693    if ( elem ) {
5694      return jQuery.event.trigger( type, data, elem, true );
5695    }
5696  }
5697});
5698var isSimple = /^.[^:#\[\.,]*$/,
5699  rparentsprev = /^(?:parents|prev(?:Until|All))/,
5700  rneedsContext = jQuery.expr.match.needsContext,
5701  // methods guaranteed to produce a unique set when starting from a unique set
5702  guaranteedUnique = {
5703    children: true,
5704    contents: true,
5705    next: true,
5706    prev: true
5707  };
5708
5709jQuery.fn.extend({
5710  find: function( selector ) {
5711    var i,
5712      ret = [],
5713      self = this,
5714      len = self.length;
5715
5716    if ( typeof selector !== "string" ) {
5717      return this.pushStack( jQuery( selector ).filter(function() {
5718        for ( i = 0; i < len; i++ ) {
5719          if ( jQuery.contains( self[ i ], this ) ) {
5720            return true;
5721          }
5722        }
5723      }) );
5724    }
5725
5726    for ( i = 0; i < len; i++ ) {
5727      jQuery.find( selector, self[ i ], ret );
5728    }
5729
5730    // Needed because $( selector, context ) becomes $( context ).find( selector )
5731    ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
5732    ret.selector = this.selector ? this.selector + " " + selector : selector;
5733    return ret;
5734  },
5735
5736  has: function( target ) {
5737    var i,
5738      targets = jQuery( target, this ),
5739      len = targets.length;
5740
5741    return this.filter(function() {
5742      for ( i = 0; i < len; i++ ) {
5743        if ( jQuery.contains( this, targets[i] ) ) {
5744          return true;
5745        }
5746      }
5747    });
5748  },
5749
5750  not: function( selector ) {
5751    return this.pushStack( winnow(this, selector || [], true) );
5752  },
5753
5754  filter: function( selector ) {
5755    return this.pushStack( winnow(this, selector || [], false) );
5756  },
5757
5758  is: function( selector ) {
5759    return !!winnow(
5760      this,
5761
5762      // If this is a positional/relative selector, check membership in the returned set
5763      // so $("p:first").is("p:last") won't return true for a doc with two "p".
5764      typeof selector === "string" && rneedsContext.test( selector ) ?
5765        jQuery( selector ) :
5766        selector || [],
5767      false
5768    ).length;
5769  },
5770
5771  closest: function( selectors, context ) {
5772    var cur,
5773      i = 0,
5774      l = this.length,
5775      ret = [],
5776      pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
5777        jQuery( selectors, context || this.context ) :
5778        0;
5779
5780    for ( ; i < l; i++ ) {
5781      for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
5782        // Always skip document fragments
5783        if ( cur.nodeType < 11 && (pos ?
5784          pos.index(cur) > -1 :
5785
5786          // Don't pass non-elements to Sizzle
5787          cur.nodeType === 1 &&
5788            jQuery.find.matchesSelector(cur, selectors)) ) {
5789
5790          cur = ret.push( cur );
5791          break;
5792        }
5793      }
5794    }
5795
5796    return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
5797  },
5798
5799  // Determine the position of an element within
5800  // the matched set of elements
5801  index: function( elem ) {
5802
5803    // No argument, return index in parent
5804    if ( !elem ) {
5805      return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
5806    }
5807
5808    // index in selector
5809    if ( typeof elem === "string" ) {
5810      return jQuery.inArray( this[0], jQuery( elem ) );
5811    }
5812
5813    // Locate the position of the desired element
5814    return jQuery.inArray(
5815      // If it receives a jQuery object, the first element is used
5816      elem.jquery ? elem[0] : elem, this );
5817  },
5818
5819  add: function( selector, context ) {
5820    var set = typeof selector === "string" ?
5821        jQuery( selector, context ) :
5822        jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
5823      all = jQuery.merge( this.get(), set );
5824
5825    return this.pushStack( jQuery.unique(all) );
5826  },
5827
5828  addBack: function( selector ) {
5829    return this.add( selector == null ?
5830      this.prevObject : this.prevObject.filter(selector)
5831    );
5832  }
5833});
5834
5835function sibling( cur, dir ) {
5836  do {
5837    cur = cur[ dir ];
5838  } while ( cur && cur.nodeType !== 1 );
5839
5840  return cur;
5841}
5842
5843jQuery.each({
5844  parent: function( elem ) {
5845    var parent = elem.parentNode;
5846    return parent && parent.nodeType !== 11 ? parent : null;
5847  },
5848  parents: function( elem ) {
5849    return jQuery.dir( elem, "parentNode" );
5850  },
5851  parentsUntil: function( elem, i, until ) {
5852    return jQuery.dir( elem, "parentNode", until );
5853  },
5854  next: function( elem ) {
5855    return sibling( elem, "nextSibling" );
5856  },
5857  prev: function( elem ) {
5858    return sibling( elem, "previousSibling" );
5859  },
5860  nextAll: function( elem ) {
5861    return jQuery.dir( elem, "nextSibling" );
5862  },
5863  prevAll: function( elem ) {
5864    return jQuery.dir( elem, "previousSibling" );
5865  },
5866  nextUntil: function( elem, i, until ) {
5867    return jQuery.dir( elem, "nextSibling", until );
5868  },
5869  prevUntil: function( elem, i, until ) {
5870    return jQuery.dir( elem, "previousSibling", until );
5871  },
5872  siblings: function( elem ) {
5873    return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
5874  },
5875  children: function( elem ) {
5876    return jQuery.sibling( elem.firstChild );
5877  },
5878  contents: function( elem ) {
5879    return jQuery.nodeName( elem, "iframe" ) ?
5880      elem.contentDocument || elem.contentWindow.document :
5881      jQuery.merge( [], elem.childNodes );
5882  }
5883}, function( name, fn ) {
5884  jQuery.fn[ name ] = function( until, selector ) {
5885    var ret = jQuery.map( this, fn, until );
5886
5887    if ( name.slice( -5 ) !== "Until" ) {
5888      selector = until;
5889    }
5890
5891    if ( selector && typeof selector === "string" ) {
5892      ret = jQuery.filter( selector, ret );
5893    }
5894
5895    if ( this.length > 1 ) {
5896      // Remove duplicates
5897      if ( !guaranteedUnique[ name ] ) {
5898        ret = jQuery.unique( ret );
5899      }
5900
5901      // Reverse order for parents* and prev-derivatives
5902      if ( rparentsprev.test( name ) ) {
5903        ret = ret.reverse();
5904      }
5905    }
5906
5907    return this.pushStack( ret );
5908  };
5909});
5910
5911jQuery.extend({
5912  filter: function( expr, elems, not ) {
5913    var elem = elems[ 0 ];
5914
5915    if ( not ) {
5916      expr = ":not(" + expr + ")";
5917    }
5918
5919    return elems.length === 1 && elem.nodeType === 1 ?
5920      jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
5921      jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
5922        return elem.nodeType === 1;
5923      }));
5924  },
5925
5926  dir: function( elem, dir, until ) {
5927    var matched = [],
5928      cur = elem[ dir ];
5929
5930    while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
5931      if ( cur.nodeType === 1 ) {
5932        matched.push( cur );
5933      }
5934      cur = cur[dir];
5935    }
5936    return matched;
5937  },
5938
5939  sibling: function( n, elem ) {
5940    var r = [];
5941
5942    for ( ; n; n = n.nextSibling ) {
5943      if ( n.nodeType === 1 && n !== elem ) {
5944        r.push( n );
5945      }
5946    }
5947
5948    return r;
5949  }
5950});
5951
5952// Implement the identical functionality for filter and not
5953function winnow( elements, qualifier, not ) {
5954  if ( jQuery.isFunction( qualifier ) ) {
5955    return jQuery.grep( elements, function( elem, i ) {
5956      /* jshint -W018 */
5957      return !!qualifier.call( elem, i, elem ) !== not;
5958    });
5959
5960  }
5961
5962  if ( qualifier.nodeType ) {
5963    return jQuery.grep( elements, function( elem ) {
5964      return ( elem === qualifier ) !== not;
5965    });
5966
5967  }
5968
5969  if ( typeof qualifier === "string" ) {
5970    if ( isSimple.test( qualifier ) ) {
5971      return jQuery.filter( qualifier, elements, not );
5972    }
5973
5974    qualifier = jQuery.filter( qualifier, elements );
5975  }
5976
5977  return jQuery.grep( elements, function( elem ) {
5978    return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
5979  });
5980}
5981function createSafeFragment( document ) {
5982  var list = nodeNames.split( "|" ),
5983    safeFrag = document.createDocumentFragment();
5984
5985  if ( safeFrag.createElement ) {
5986    while ( list.length ) {
5987      safeFrag.createElement(
5988        list.pop()
5989      );
5990    }
5991  }
5992  return safeFrag;
5993}
5994
5995var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
5996    "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
5997  rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
5998  rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
5999  rleadingWhitespace = /^\s+/,
6000  rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
6001  rtagName = /<([\w:]+)/,
6002  rtbody = /<tbody/i,
6003  rhtml = /<|&#?\w+;/,
6004  rnoInnerhtml = /<(?:script|style|link)/i,
6005  manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
6006  // checked="checked" or checked
6007  rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
6008  rscriptType = /^$|\/(?:java|ecma)script/i,
6009  rscriptTypeMasked = /^true\/(.*)/,
6010  rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
6011
6012  // We have to close these tags to support XHTML (#13200)
6013  wrapMap = {
6014    option: [ 1, "<select multiple='multiple'>", "</select>" ],
6015    legend: [ 1, "<fieldset>", "</fieldset>" ],
6016    area: [ 1, "<map>", "</map>" ],
6017    param: [ 1, "<object>", "</object>" ],
6018    thead: [ 1, "<table>", "</table>" ],
6019    tr: [ 2, "<table><tbody>", "</tbody></table>" ],
6020    col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
6021    td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
6022
6023    // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
6024    // unless wrapped in a div with non-breaking characters in front of it.
6025    _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
6026  },
6027  safeFragment = createSafeFragment( document ),
6028  fragmentDiv = safeFragment.appendChild( document.createElement("div") );
6029
6030wrapMap.optgroup = wrapMap.option;
6031wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
6032wrapMap.th = wrapMap.td;
6033
6034jQuery.fn.extend({
6035  text: function( value ) {
6036    return jQuery.access( this, function( value ) {
6037      return value === undefined ?
6038        jQuery.text( this ) :
6039        this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
6040    }, null, value, arguments.length );
6041  },
6042
6043  append: function() {
6044    return this.domManip( arguments, function( elem ) {
6045      if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6046        var target = manipulationTarget( this, elem );
6047        target.appendChild( elem );
6048      }
6049    });
6050  },
6051
6052  prepend: function() {
6053    return this.domManip( arguments, function( elem ) {
6054      if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6055        var target = manipulationTarget( this, elem );
6056        target.insertBefore( elem, target.firstChild );
6057      }
6058    });
6059  },
6060
6061  before: function() {
6062    return this.domManip( arguments, function( elem ) {
6063      if ( this.parentNode ) {
6064        this.parentNode.insertBefore( elem, this );
6065      }
6066    });
6067  },
6068
6069  after: function() {
6070    return this.domManip( arguments, function( elem ) {
6071      if ( this.parentNode ) {
6072        this.parentNode.insertBefore( elem, this.nextSibling );
6073      }
6074    });
6075  },
6076
6077  // keepData is for internal use only--do not document
6078  remove: function( selector, keepData ) {
6079    var elem,
6080      elems = selector ? jQuery.filter( selector, this ) : this,
6081      i = 0;
6082
6083    for ( ; (elem = elems[i]) != null; i++ ) {
6084
6085      if ( !keepData && elem.nodeType === 1 ) {
6086        jQuery.cleanData( getAll( elem ) );
6087      }
6088
6089      if ( elem.parentNode ) {
6090        if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
6091          setGlobalEval( getAll( elem, "script" ) );
6092        }
6093        elem.parentNode.removeChild( elem );
6094      }
6095    }
6096
6097    return this;
6098  },
6099
6100  empty: function() {
6101    var elem,
6102      i = 0;
6103
6104    for ( ; (elem = this[i]) != null; i++ ) {
6105      // Remove element nodes and prevent memory leaks
6106      if ( elem.nodeType === 1 ) {
6107        jQuery.cleanData( getAll( elem, false ) );
6108      }
6109
6110      // Remove any remaining nodes
6111      while ( elem.firstChild ) {
6112        elem.removeChild( elem.firstChild );
6113      }
6114
6115      // If this is a select, ensure that it displays empty (#12336)
6116      // Support: IE<9
6117      if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
6118        elem.options.length = 0;
6119      }
6120    }
6121
6122    return this;
6123  },
6124
6125  clone: function( dataAndEvents, deepDataAndEvents ) {
6126    dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6127    deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6128
6129    return this.map( function () {
6130      return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6131    });
6132  },
6133
6134  html: function( value ) {
6135    return jQuery.access( this, function( value ) {
6136      var elem = this[0] || {},
6137        i = 0,
6138        l = this.length;
6139
6140      if ( value === undefined ) {
6141        return elem.nodeType === 1 ?
6142          elem.innerHTML.replace( rinlinejQuery, "" ) :
6143          undefined;
6144      }
6145
6146      // See if we can take a shortcut and just use innerHTML
6147      if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6148        ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
6149        ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
6150        !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
6151
6152        value = value.replace( rxhtmlTag, "<$1></$2>" );
6153
6154        try {
6155          for (; i < l; i++ ) {
6156            // Remove element nodes and prevent memory leaks
6157            elem = this[i] || {};
6158            if ( elem.nodeType === 1 ) {
6159              jQuery.cleanData( getAll( elem, false ) );
6160              elem.innerHTML = value;
6161            }
6162          }
6163
6164          elem = 0;
6165
6166        // If using innerHTML throws an exception, use the fallback method
6167        } catch(e) {}
6168      }
6169
6170      if ( elem ) {
6171        this.empty().append( value );
6172      }
6173    }, null, value, arguments.length );
6174  },
6175
6176  replaceWith: function() {
6177    var
6178      // Snapshot the DOM in case .domManip sweeps something relevant into its fragment
6179      args = jQuery.map( this, function( elem ) {
6180        return [ elem.nextSibling, elem.parentNode ];
6181      }),
6182      i = 0;
6183
6184    // Make the changes, replacing each context element with the new content
6185    this.domManip( arguments, function( elem ) {
6186      var next = args[ i++ ],
6187        parent = args[ i++ ];
6188
6189      if ( parent ) {
6190        // Don't use the snapshot next if it has moved (#13810)
6191        if ( next && next.parentNode !== parent ) {
6192          next = this.nextSibling;
6193        }
6194        jQuery( this ).remove();
6195        parent.insertBefore( elem, next );
6196      }
6197    // Allow new content to include elements from the context set
6198    }, true );
6199
6200    // Force removal if there was no new content (e.g., from empty arguments)
6201    return i ? this : this.remove();
6202  },
6203
6204  detach: function( selector ) {
6205    return this.remove( selector, true );
6206  },
6207
6208  domManip: function( args, callback, allowIntersection ) {
6209
6210    // Flatten any nested arrays
6211    args = core_concat.apply( [], args );
6212
6213    var first, node, hasScripts,
6214      scripts, doc, fragment,
6215      i = 0,
6216      l = this.length,
6217      set = this,
6218      iNoClone = l - 1,
6219      value = args[0],
6220      isFunction = jQuery.isFunction( value );
6221
6222    // We can't cloneNode fragments that contain checked, in WebKit
6223    if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
6224      return this.each(function( index ) {
6225        var self = set.eq( index );
6226        if ( isFunction ) {
6227          args[0] = value.call( this, index, self.html() );
6228        }
6229        self.domManip( args, callback, allowIntersection );
6230      });
6231    }
6232
6233    if ( l ) {
6234      fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, !allowIntersection && this );
6235      first = fragment.firstChild;
6236
6237      if ( fragment.childNodes.length === 1 ) {
6238        fragment = first;
6239      }
6240
6241      if ( first ) {
6242        scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6243        hasScripts = scripts.length;
6244
6245        // Use the original fragment for the last item instead of the first because it can end up
6246        // being emptied incorrectly in certain situations (#8070).
6247        for ( ; i < l; i++ ) {
6248          node = fragment;
6249
6250          if ( i !== iNoClone ) {
6251            node = jQuery.clone( node, true, true );
6252
6253            // Keep references to cloned scripts for later restoration
6254            if ( hasScripts ) {
6255              jQuery.merge( scripts, getAll( node, "script" ) );
6256            }
6257          }
6258
6259          callback.call( this[i], node, i );
6260        }
6261
6262        if ( hasScripts ) {
6263          doc = scripts[ scripts.length - 1 ].ownerDocument;
6264
6265          // Reenable scripts
6266          jQuery.map( scripts, restoreScript );
6267
6268          // Evaluate executable scripts on first document insertion
6269          for ( i = 0; i < hasScripts; i++ ) {
6270            node = scripts[ i ];
6271            if ( rscriptType.test( node.type || "" ) &&
6272              !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
6273
6274              if ( node.src ) {
6275                // Hope ajax is available...
6276                jQuery._evalUrl( node.src );
6277              } else {
6278                jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
6279              }
6280            }
6281          }
6282        }
6283
6284        // Fix #11809: Avoid leaking memory
6285        fragment = first = null;
6286      }
6287    }
6288
6289    return this;
6290  }
6291});
6292
6293// Support: IE<8
6294// Manipulating tables requires a tbody
6295function manipulationTarget( elem, content ) {
6296  return jQuery.nodeName( elem, "table" ) &&
6297    jQuery.nodeName( content.nodeType === 1 ? content : content.firstChild, "tr" ) ?
6298
6299    elem.getElementsByTagName("tbody")[0] ||
6300      elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
6301    elem;
6302}
6303
6304// Replace/restore the type attribute of script elements for safe DOM manipulation
6305function disableScript( elem ) {
6306  elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
6307  return elem;
6308}
6309function restoreScript( elem ) {
6310  var match = rscriptTypeMasked.exec( elem.type );
6311  if ( match ) {
6312    elem.type = match[1];
6313  } else {
6314    elem.removeAttribute("type");
6315  }
6316  return elem;
6317}
6318
6319// Mark scripts as having already been evaluated
6320function setGlobalEval( elems, refElements ) {
6321  var elem,
6322    i = 0;
6323  for ( ; (elem = elems[i]) != null; i++ ) {
6324    jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
6325  }
6326}
6327
6328function cloneCopyEvent( src, dest ) {
6329
6330  if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
6331    return;
6332  }
6333
6334  var type, i, l,
6335    oldData = jQuery._data( src ),
6336    curData = jQuery._data( dest, oldData ),
6337    events = oldData.events;
6338
6339  if ( events ) {
6340    delete curData.handle;
6341    curData.events = {};
6342
6343    for ( type in events ) {
6344      for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6345        jQuery.event.add( dest, type, events[ type ][ i ] );
6346      }
6347    }
6348  }
6349
6350  // make the cloned public data object a copy from the original
6351  if ( curData.data ) {
6352    curData.data = jQuery.extend( {}, curData.data );
6353  }
6354}
6355
6356function fixCloneNodeIssues( src, dest ) {
6357  var nodeName, e, data;
6358
6359  // We do not need to do anything for non-Elements
6360  if ( dest.nodeType !== 1 ) {
6361    return;
6362  }
6363
6364  nodeName = dest.nodeName.toLowerCase();
6365
6366  // IE6-8 copies events bound via attachEvent when using cloneNode.
6367  if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
6368    data = jQuery._data( dest );
6369
6370    for ( e in data.events ) {
6371      jQuery.removeEvent( dest, e, data.handle );
6372    }
6373
6374    // Event data gets referenced instead of copied if the expando gets copied too
6375    dest.removeAttribute( jQuery.expando );
6376  }
6377
6378  // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
6379  if ( nodeName === "script" && dest.text !== src.text ) {
6380    disableScript( dest ).text = src.text;
6381    restoreScript( dest );
6382
6383  // IE6-10 improperly clones children of object elements using classid.
6384  // IE10 throws NoModificationAllowedError if parent is null, #12132.
6385  } else if ( nodeName === "object" ) {
6386    if ( dest.parentNode ) {
6387      dest.outerHTML = src.outerHTML;
6388    }
6389
6390    // This path appears unavoidable for IE9. When cloning an object
6391    // element in IE9, the outerHTML strategy above is not sufficient.
6392    // If the src has innerHTML and the destination does not,
6393    // copy the src.innerHTML into the dest.innerHTML. #10324
6394    if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
6395      dest.innerHTML = src.innerHTML;
6396    }
6397
6398  } else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
6399    // IE6-8 fails to persist the checked state of a cloned checkbox
6400    // or radio button. Worse, IE6-7 fail to give the cloned element
6401    // a checked appearance if the defaultChecked value isn't also set
6402
6403    dest.defaultChecked = dest.checked = src.checked;
6404
6405    // IE6-7 get confused and end up setting the value of a cloned
6406    // checkbox/radio button to an empty string instead of "on"
6407    if ( dest.value !== src.value ) {
6408      dest.value = src.value;
6409    }
6410
6411  // IE6-8 fails to return the selected option to the default selected
6412  // state when cloning options
6413  } else if ( nodeName === "option" ) {
6414    dest.defaultSelected = dest.selected = src.defaultSelected;
6415
6416  // IE6-8 fails to set the defaultValue to the correct value when
6417  // cloning other types of input fields
6418  } else if ( nodeName === "input" || nodeName === "textarea" ) {
6419    dest.defaultValue = src.defaultValue;
6420  }
6421}
6422
6423jQuery.each({
6424  appendTo: "append",
6425  prependTo: "prepend",
6426  insertBefore: "before",
6427  insertAfter: "after",
6428  replaceAll: "replaceWith"
6429}, function( name, original ) {
6430  jQuery.fn[ name ] = function( selector ) {
6431    var elems,
6432      i = 0,
6433      ret = [],
6434      insert = jQuery( selector ),
6435      last = insert.length - 1;
6436
6437    for ( ; i <= last; i++ ) {
6438      elems = i === last ? this : this.clone(true);
6439      jQuery( insert[i] )[ original ]( elems );
6440
6441      // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
6442      core_push.apply( ret, elems.get() );
6443    }
6444
6445    return this.pushStack( ret );
6446  };
6447});
6448
6449function getAll( context, tag ) {
6450  var elems, elem,
6451    i = 0,
6452    found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
6453      typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
6454      undefined;
6455
6456  if ( !found ) {
6457    for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
6458      if ( !tag || jQuery.nodeName( elem, tag ) ) {
6459        found.push( elem );
6460      } else {
6461        jQuery.merge( found, getAll( elem, tag ) );
6462      }
6463    }
6464  }
6465
6466  return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
6467    jQuery.merge( [ context ], found ) :
6468    found;
6469}
6470
6471// Used in buildFragment, fixes the defaultChecked property
6472function fixDefaultChecked( elem ) {
6473  if ( manipulation_rcheckableType.test( elem.type ) ) {
6474    elem.defaultChecked = elem.checked;
6475  }
6476}
6477
6478jQuery.extend({
6479  clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6480    var destElements, node, clone, i, srcElements,
6481      inPage = jQuery.contains( elem.ownerDocument, elem );
6482
6483    if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
6484      clone = elem.cloneNode( true );
6485
6486    // IE<=8 does not properly clone detached, unknown element nodes
6487    } else {
6488      fragmentDiv.innerHTML = elem.outerHTML;
6489      fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
6490    }
6491
6492    if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
6493        (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
6494
6495      // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
6496      destElements = getAll( clone );
6497      srcElements = getAll( elem );
6498
6499      // Fix all IE cloning issues
6500      for ( i = 0; (node = srcElements[i]) != null; ++i ) {
6501        // Ensure that the destination node is not null; Fixes #9587
6502        if ( destElements[i] ) {
6503          fixCloneNodeIssues( node, destElements[i] );
6504        }
6505      }
6506    }
6507
6508    // Copy the events from the original to the clone
6509    if ( dataAndEvents ) {
6510      if ( deepDataAndEvents ) {
6511        srcElements = srcElements || getAll( elem );
6512        destElements = destElements || getAll( clone );
6513
6514        for ( i = 0; (node = srcElements[i]) != null; i++ ) {
6515          cloneCopyEvent( node, destElements[i] );
6516        }
6517      } else {
6518        cloneCopyEvent( elem, clone );
6519      }
6520    }
6521
6522    // Preserve script evaluation history
6523    destElements = getAll( clone, "script" );
6524    if ( destElements.length > 0 ) {
6525      setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6526    }
6527
6528    destElements = srcElements = node = null;
6529
6530    // Return the cloned set
6531    return clone;
6532  },
6533
6534  buildFragment: function( elems, context, scripts, selection ) {
6535    var j, elem, contains,
6536      tmp, tag, tbody, wrap,
6537      l = elems.length,
6538
6539      // Ensure a safe fragment
6540      safe = createSafeFragment( context ),
6541
6542      nodes = [],
6543      i = 0;
6544
6545    for ( ; i < l; i++ ) {
6546      elem = elems[ i ];
6547
6548      if ( elem || elem === 0 ) {
6549
6550        // Add nodes directly
6551        if ( jQuery.type( elem ) === "object" ) {
6552          jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
6553
6554        // Convert non-html into a text node
6555        } else if ( !rhtml.test( elem ) ) {
6556          nodes.push( context.createTextNode( elem ) );
6557
6558        // Convert html into DOM nodes
6559        } else {
6560          tmp = tmp || safe.appendChild( context.createElement("div") );
6561
6562          // Deserialize a standard representation
6563          tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
6564          wrap = wrapMap[ tag ] || wrapMap._default;
6565
6566          tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
6567
6568          // Descend through wrappers to the right content
6569          j = wrap[0];
6570          while ( j-- ) {
6571            tmp = tmp.lastChild;
6572          }
6573
6574          // Manually add leading whitespace removed by IE
6575          if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
6576            nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
6577          }
6578
6579          // Remove IE's autoinserted <tbody> from table fragments
6580          if ( !jQuery.support.tbody ) {
6581
6582            // String was a <table>, *may* have spurious <tbody>
6583            elem = tag === "table" && !rtbody.test( elem ) ?
6584              tmp.firstChild :
6585
6586              // String was a bare <thead> or <tfoot>
6587              wrap[1] === "<table>" && !rtbody.test( elem ) ?
6588                tmp :
6589                0;
6590
6591            j = elem && elem.childNodes.length;
6592            while ( j-- ) {
6593              if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
6594                elem.removeChild( tbody );
6595              }
6596            }
6597          }
6598
6599          jQuery.merge( nodes, tmp.childNodes );
6600
6601          // Fix #12392 for WebKit and IE > 9
6602          tmp.textContent = "";
6603
6604          // Fix #12392 for oldIE
6605          while ( tmp.firstChild ) {
6606            tmp.removeChild( tmp.firstChild );
6607          }
6608
6609          // Remember the top-level container for proper cleanup
6610          tmp = safe.lastChild;
6611        }
6612      }
6613    }
6614
6615    // Fix #11356: Clear elements from fragment
6616    if ( tmp ) {
6617      safe.removeChild( tmp );
6618    }
6619
6620    // Reset defaultChecked for any radios and checkboxes
6621    // about to be appended to the DOM in IE 6/7 (#8060)
6622    if ( !jQuery.support.appendChecked ) {
6623      jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
6624    }
6625
6626    i = 0;
6627    while ( (elem = nodes[ i++ ]) ) {
6628
6629      // #4087 - If origin and destination elements are the same, and this is
6630      // that element, do not do anything
6631      if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
6632        continue;
6633      }
6634
6635      contains = jQuery.contains( elem.ownerDocument, elem );
6636
6637      // Append to fragment
6638      tmp = getAll( safe.appendChild( elem ), "script" );
6639
6640      // Preserve script evaluation history
6641      if ( contains ) {
6642        setGlobalEval( tmp );
6643      }
6644
6645      // Capture executables
6646      if ( scripts ) {
6647        j = 0;
6648        while ( (elem = tmp[ j++ ]) ) {
6649          if ( rscriptType.test( elem.type || "" ) ) {
6650            scripts.push( elem );
6651          }
6652        }
6653      }
6654    }
6655
6656    tmp = null;
6657
6658    return safe;
6659  },
6660
6661  cleanData: function( elems, /* internal */ acceptData ) {
6662    var elem, type, id, data,
6663      i = 0,
6664      internalKey = jQuery.expando,
6665      cache = jQuery.cache,
6666      deleteExpando = jQuery.support.deleteExpando,
6667      special = jQuery.event.special;
6668
6669    for ( ; (elem = elems[i]) != null; i++ ) {
6670
6671      if ( acceptData || jQuery.acceptData( elem ) ) {
6672
6673        id = elem[ internalKey ];
6674        data = id && cache[ id ];
6675
6676        if ( data ) {
6677          if ( data.events ) {
6678            for ( type in data.events ) {
6679              if ( special[ type ] ) {
6680                jQuery.event.remove( elem, type );
6681
6682              // This is a shortcut to avoid jQuery.event.remove's overhead
6683              } else {
6684                jQuery.removeEvent( elem, type, data.handle );
6685              }
6686            }
6687          }
6688
6689          // Remove cache only if it was not already removed by jQuery.event.remove
6690          if ( cache[ id ] ) {
6691
6692            delete cache[ id ];
6693
6694            // IE does not allow us to delete expando properties from nodes,
6695            // nor does it have a removeAttribute function on Document nodes;
6696            // we must handle all of these cases
6697            if ( deleteExpando ) {
6698              delete elem[ internalKey ];
6699
6700            } else if ( typeof elem.removeAttribute !== core_strundefined ) {
6701              elem.removeAttribute( internalKey );
6702
6703            } else {
6704              elem[ internalKey ] = null;
6705            }
6706
6707            core_deletedIds.push( id );
6708          }
6709        }
6710      }
6711    }
6712  },
6713
6714  _evalUrl: function( url ) {
6715    return jQuery.ajax({
6716      url: url,
6717      type: "GET",
6718      dataType: "script",
6719      async: false,
6720      global: false,
6721      "throws": true
6722    });
6723  }
6724});
6725jQuery.fn.extend({
6726  wrapAll: function( html ) {
6727    if ( jQuery.isFunction( html ) ) {
6728      return this.each(function(i) {
6729        jQuery(this).wrapAll( html.call(this, i) );
6730      });
6731    }
6732
6733    if ( this[0] ) {
6734      // The elements to wrap the target around
6735      var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
6736
6737      if ( this[0].parentNode ) {
6738        wrap.insertBefore( this[0] );
6739      }
6740
6741      wrap.map(function() {
6742        var elem = this;
6743
6744        while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
6745          elem = elem.firstChild;
6746        }
6747
6748        return elem;
6749      }).append( this );
6750    }
6751
6752    return this;
6753  },
6754
6755  wrapInner: function( html ) {
6756    if ( jQuery.isFunction( html ) ) {
6757      return this.each(function(i) {
6758        jQuery(this).wrapInner( html.call(this, i) );
6759      });
6760    }
6761
6762    return this.each(function() {
6763      var self = jQuery( this ),
6764        contents = self.contents();
6765
6766      if ( contents.length ) {
6767        contents.wrapAll( html );
6768
6769      } else {
6770        self.append( html );
6771      }
6772    });
6773  },
6774
6775  wrap: function( html ) {
6776    var isFunction = jQuery.isFunction( html );
6777
6778    return this.each(function(i) {
6779      jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
6780    });
6781  },
6782
6783  unwrap: function() {
6784    return this.parent().each(function() {
6785      if ( !jQuery.nodeName( this, "body" ) ) {
6786        jQuery( this ).replaceWith( this.childNodes );
6787      }
6788    }).end();
6789  }
6790});
6791var iframe, getStyles, curCSS,
6792  ralpha = /alpha\([^)]*\)/i,
6793  ropacity = /opacity\s*=\s*([^)]*)/,
6794  rposition = /^(top|right|bottom|left)$/,
6795  // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6796  // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6797  rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6798  rmargin = /^margin/,
6799  rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
6800  rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
6801  rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
6802  elemdisplay = { BODY: "block" },
6803
6804  cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6805  cssNormalTransform = {
6806    letterSpacing: 0,
6807    fontWeight: 400
6808  },
6809
6810  cssExpand = [ "Top", "Right", "Bottom", "Left" ],
6811  cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6812
6813// return a css property mapped to a potentially vendor prefixed property
6814function vendorPropName( style, name ) {
6815
6816  // shortcut for names that are not vendor prefixed
6817  if ( name in style ) {
6818    return name;
6819  }
6820
6821  // check for vendor prefixed names
6822  var capName = name.charAt(0).toUpperCase() + name.slice(1),
6823    origName = name,
6824    i = cssPrefixes.length;
6825
6826  while ( i-- ) {
6827    name = cssPrefixes[ i ] + capName;
6828    if ( name in style ) {
6829      return name;
6830    }
6831  }
6832
6833  return origName;
6834}
6835
6836function isHidden( elem, el ) {
6837  // isHidden might be called from jQuery#filter function;
6838  // in that case, element will be second argument
6839  elem = el || elem;
6840  return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
6841}
6842
6843function showHide( elements, show ) {
6844  var display, elem, hidden,
6845    values = [],
6846    index = 0,
6847    length = elements.length;
6848
6849  for ( ; index < length; index++ ) {
6850    elem = elements[ index ];
6851    if ( !elem.style ) {
6852      continue;
6853    }
6854
6855    values[ index ] = jQuery._data( elem, "olddisplay" );
6856    display = elem.style.display;
6857    if ( show ) {
6858      // Reset the inline display of this element to learn if it is
6859      // being hidden by cascaded rules or not
6860      if ( !values[ index ] && display === "none" ) {
6861        elem.style.display = "";
6862      }
6863
6864      // Set elements which have been overridden with display: none
6865      // in a stylesheet to whatever the default browser style is
6866      // for such an element
6867      if ( elem.style.display === "" && isHidden( elem ) ) {
6868        values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
6869      }
6870    } else {
6871
6872      if ( !values[ index ] ) {
6873        hidden = isHidden( elem );
6874
6875        if ( display && display !== "none" || !hidden ) {
6876          jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6877        }
6878      }
6879    }
6880  }
6881
6882  // Set the display of most of the elements in a second loop
6883  // to avoid the constant reflow
6884  for ( index = 0; index < length; index++ ) {
6885    elem = elements[ index ];
6886    if ( !elem.style ) {
6887      continue;
6888    }
6889    if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6890      elem.style.display = show ? values[ index ] || "" : "none";
6891    }
6892  }
6893
6894  return elements;
6895}
6896
6897jQuery.fn.extend({
6898  css: function( name, value ) {
6899    return jQuery.access( this, function( elem, name, value ) {
6900      var len, styles,
6901        map = {},
6902        i = 0;
6903
6904      if ( jQuery.isArray( name ) ) {
6905        styles = getStyles( elem );
6906        len = name.length;
6907
6908        for ( ; i < len; i++ ) {
6909          map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6910        }
6911
6912        return map;
6913      }
6914
6915      return value !== undefined ?
6916        jQuery.style( elem, name, value ) :
6917        jQuery.css( elem, name );
6918    }, name, value, arguments.length > 1 );
6919  },
6920  show: function() {
6921    return showHide( this, true );
6922  },
6923  hide: function() {
6924    return showHide( this );
6925  },
6926  toggle: function( state ) {
6927    if ( typeof state === "boolean" ) {
6928      return state ? this.show() : this.hide();
6929    }
6930
6931    return this.each(function() {
6932      if ( isHidden( this ) ) {
6933        jQuery( this ).show();
6934      } else {
6935        jQuery( this ).hide();
6936      }
6937    });
6938  }
6939});
6940
6941jQuery.extend({
6942  // Add in style property hooks for overriding the default
6943  // behavior of getting and setting a style property
6944  cssHooks: {
6945    opacity: {
6946      get: function( elem, computed ) {
6947        if ( computed ) {
6948          // We should always get a number back from opacity
6949          var ret = curCSS( elem, "opacity" );
6950          return ret === "" ? "1" : ret;
6951        }
6952      }
6953    }
6954  },
6955
6956  // Don't automatically add "px" to these possibly-unitless properties
6957  cssNumber: {
6958    "columnCount": true,
6959    "fillOpacity": true,
6960    "fontWeight": true,
6961    "lineHeight": true,
6962    "opacity": true,
6963    "order": true,
6964    "orphans": true,
6965    "widows": true,
6966    "zIndex": true,
6967    "zoom": true
6968  },
6969
6970  // Add in properties whose names you wish to fix before
6971  // setting or getting the value
6972  cssProps: {
6973    // normalize float css property
6974    "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
6975  },
6976
6977  // Get and set the style property on a DOM Node
6978  style: function( elem, name, value, extra ) {
6979    // Don't set styles on text and comment nodes
6980    if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6981      return;
6982    }
6983
6984    // Make sure that we're working with the right name
6985    var ret, type, hooks,
6986      origName = jQuery.camelCase( name ),
6987      style = elem.style;
6988
6989    name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
6990
6991    // gets hook for the prefixed version
6992    // followed by the unprefixed version
6993    hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6994
6995    // Check if we're setting a value
6996    if ( value !== undefined ) {
6997      type = typeof value;
6998
6999      // convert relative number strings (+= or -=) to relative numbers. #7345
7000      if ( type === "string" && (ret = rrelNum.exec( value )) ) {
7001        value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
7002        // Fixes bug #9237
7003        type = "number";
7004      }
7005
7006      // Make sure that NaN and null values aren't set. See: #7116
7007      if ( value == null || type === "number" && isNaN( value ) ) {
7008        return;
7009      }
7010
7011      // If a number was passed in, add 'px' to the (except for certain CSS properties)
7012      if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
7013        value += "px";
7014      }
7015
7016      // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
7017      // but it would mean to define eight (for every problematic property) identical functions
7018      if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
7019        style[ name ] = "inherit";
7020      }
7021
7022      // If a hook was provided, use that value, otherwise just set the specified value
7023      if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
7024
7025        // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
7026        // Fixes bug #5509
7027        try {
7028          style[ name ] = value;
7029        } catch(e) {}
7030      }
7031
7032    } else {
7033      // If a hook was provided get the non-computed value from there
7034      if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
7035        return ret;
7036      }
7037
7038      // Otherwise just get the value from the style object
7039      return style[ name ];
7040    }
7041  },
7042
7043  css: function( elem, name, extra, styles ) {
7044    var num, val, hooks,
7045      origName = jQuery.camelCase( name );
7046
7047    // Make sure that we're working with the right name
7048    name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
7049
7050    // gets hook for the prefixed version
7051    // followed by the unprefixed version
7052    hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
7053
7054    // If a hook was provided get the computed value from there
7055    if ( hooks && "get" in hooks ) {
7056      val = hooks.get( elem, true, extra );
7057    }
7058
7059    // Otherwise, if a way to get the computed value exists, use that
7060    if ( val === undefined ) {
7061      val = curCSS( elem, name, styles );
7062    }
7063
7064    //convert "normal" to computed value
7065    if ( val === "normal" && name in cssNormalTransform ) {
7066      val = cssNormalTransform[ name ];
7067    }
7068
7069    // Return, converting to number if forced or a qualifier was provided and val looks numeric
7070    if ( extra === "" || extra ) {
7071      num = parseFloat( val );
7072      return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
7073    }
7074    return val;
7075  }
7076});
7077
7078// NOTE: we've included the "window" in window.getComputedStyle
7079// because jsdom on node.js will break without it.
7080if ( window.getComputedStyle ) {
7081  getStyles = function( elem ) {
7082    return window.getComputedStyle( elem, null );
7083  };
7084
7085  curCSS = function( elem, name, _computed ) {
7086    var width, minWidth, maxWidth,
7087      computed = _computed || getStyles( elem ),
7088
7089      // getPropertyValue is only needed for .css('filter') in IE9, see #12537
7090      ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
7091      style = elem.style;
7092
7093    if ( computed ) {
7094
7095      if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
7096        ret = jQuery.style( elem, name );
7097      }
7098
7099      // A tribute to the "awesome hack by Dean Edwards"
7100      // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
7101      // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
7102      // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
7103      if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
7104
7105        // Remember the original values
7106        width = style.width;
7107        minWidth = style.minWidth;
7108        maxWidth = style.maxWidth;
7109
7110        // Put in the new values to get a computed value out
7111        style.minWidth = style.maxWidth = style.width = ret;
7112        ret = computed.width;
7113
7114        // Revert the changed values
7115        style.width = width;
7116        style.minWidth = minWidth;
7117        style.maxWidth = maxWidth;
7118      }
7119    }
7120
7121    return ret;
7122  };
7123} else if ( document.documentElement.currentStyle ) {
7124  getStyles = function( elem ) {
7125    return elem.currentStyle;
7126  };
7127
7128  curCSS = function( elem, name, _computed ) {
7129    var left, rs, rsLeft,
7130      computed = _computed || getStyles( elem ),
7131      ret = computed ? computed[ name ] : undefined,
7132      style = elem.style;
7133
7134    // Avoid setting ret to empty string here
7135    // so we don't default to auto
7136    if ( ret == null && style && style[ name ] ) {
7137      ret = style[ name ];
7138    }
7139
7140    // From the awesome hack by Dean Edwards
7141    // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
7142
7143    // If we're not dealing with a regular pixel number
7144    // but a number that has a weird ending, we need to convert it to pixels
7145    // but not position css attributes, as those are proportional to the parent element instead
7146    // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
7147    if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
7148
7149      // Remember the original values
7150      left = style.left;
7151      rs = elem.runtimeStyle;
7152      rsLeft = rs && rs.left;
7153
7154      // Put in the new values to get a computed value out
7155      if ( rsLeft ) {
7156        rs.left = elem.currentStyle.left;
7157      }
7158      style.left = name === "fontSize" ? "1em" : ret;
7159      ret = style.pixelLeft + "px";
7160
7161      // Revert the changed values
7162      style.left = left;
7163      if ( rsLeft ) {
7164        rs.left = rsLeft;
7165      }
7166    }
7167
7168    return ret === "" ? "auto" : ret;
7169  };
7170}
7171
7172function setPositiveNumber( elem, value, subtract ) {
7173  var matches = rnumsplit.exec( value );
7174  return matches ?
7175    // Guard against undefined "subtract", e.g., when used as in cssHooks
7176    Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
7177    value;
7178}
7179
7180function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
7181  var i = extra === ( isBorderBox ? "border" : "content" ) ?
7182    // If we already have the right measurement, avoid augmentation
7183    4 :
7184    // Otherwise initialize for horizontal or vertical properties
7185    name === "width" ? 1 : 0,
7186
7187    val = 0;
7188
7189  for ( ; i < 4; i += 2 ) {
7190    // both box models exclude margin, so add it if we want it
7191    if ( extra === "margin" ) {
7192      val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
7193    }
7194
7195    if ( isBorderBox ) {
7196      // border-box includes padding, so remove it if we want content
7197      if ( extra === "content" ) {
7198        val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
7199      }
7200
7201      // at this point, extra isn't border nor margin, so remove border
7202      if ( extra !== "margin" ) {
7203        val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
7204      }
7205    } else {
7206      // at this point, extra isn't content, so add padding
7207      val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
7208
7209      // at this point, extra isn't content nor padding, so add border
7210      if ( extra !== "padding" ) {
7211        val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
7212      }
7213    }
7214  }
7215
7216  return val;
7217}
7218
7219function getWidthOrHeight( elem, name, extra ) {
7220
7221  // Start with offset property, which is equivalent to the border-box value
7222  var valueIsBorderBox = true,
7223    val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
7224    styles = getStyles( elem ),
7225    isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
7226
7227  // some non-html elements return undefined for offsetWidth, so check for null/undefined
7228  // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
7229  // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
7230  if ( val <= 0 || val == null ) {
7231    // Fall back to computed then uncomputed css if necessary
7232    val = curCSS( elem, name, styles );
7233    if ( val < 0 || val == null ) {
7234      val = elem.style[ name ];
7235    }
7236
7237    // Computed unit is not pixels. Stop here and return.
7238    if ( rnumnonpx.test(val) ) {
7239      return val;
7240    }
7241
7242    // we need the check for style in case a browser which returns unreliable values
7243    // for getComputedStyle silently falls back to the reliable elem.style
7244    valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
7245
7246    // Normalize "", auto, and prepare for extra
7247    val = parseFloat( val ) || 0;
7248  }
7249
7250  // use the active box-sizing model to add/subtract irrelevant styles
7251  return ( val +
7252    augmentWidthOrHeight(
7253      elem,
7254      name,
7255      extra || ( isBorderBox ? "border" : "content" ),
7256      valueIsBorderBox,
7257      styles
7258    )
7259  ) + "px";
7260}
7261
7262// Try to determine the default display value of an element
7263function css_defaultDisplay( nodeName ) {
7264  var doc = document,
7265    display = elemdisplay[ nodeName ];
7266
7267  if ( !display ) {
7268    display = actualDisplay( nodeName, doc );
7269
7270    // If the simple way fails, read from inside an iframe
7271    if ( display === "none" || !display ) {
7272      // Use the already-created iframe if possible
7273      iframe = ( iframe ||
7274        jQuery("<iframe frameborder='0' width='0' height='0'/>")
7275        .css( "cssText", "display:block !important" )
7276      ).appendTo( doc.documentElement );
7277
7278      // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
7279      doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
7280      doc.write("<!doctype html><html><body>");
7281      doc.close();
7282
7283      display = actualDisplay( nodeName, doc );
7284      iframe.detach();
7285    }
7286
7287    // Store the correct default display
7288    elemdisplay[ nodeName ] = display;
7289  }
7290
7291  return display;
7292}
7293
7294// Called ONLY from within css_defaultDisplay
7295function actualDisplay( name, doc ) {
7296  var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
7297    display = jQuery.css( elem[0], "display" );
7298  elem.remove();
7299  return display;
7300}
7301
7302jQuery.each([ "height", "width" ], function( i, name ) {
7303  jQuery.cssHooks[ name ] = {
7304    get: function( elem, computed, extra ) {
7305      if ( computed ) {
7306        // certain elements can have dimension info if we invisibly show them
7307        // however, it must have a current display style that would benefit from this
7308        return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
7309          jQuery.swap( elem, cssShow, function() {
7310            return getWidthOrHeight( elem, name, extra );
7311          }) :
7312          getWidthOrHeight( elem, name, extra );
7313      }
7314    },
7315
7316    set: function( elem, value, extra ) {
7317      var styles = extra && getStyles( elem );
7318      return setPositiveNumber( elem, value, extra ?
7319        augmentWidthOrHeight(
7320          elem,
7321          name,
7322          extra,
7323          jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7324          styles
7325        ) : 0
7326      );
7327    }
7328  };
7329});
7330
7331if ( !jQuery.support.opacity ) {
7332  jQuery.cssHooks.opacity = {
7333    get: function( elem, computed ) {
7334      // IE uses filters for opacity
7335      return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
7336        ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
7337        computed ? "1" : "";
7338    },
7339
7340    set: function( elem, value ) {
7341      var style = elem.style,
7342        currentStyle = elem.currentStyle,
7343        opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
7344        filter = currentStyle && currentStyle.filter || style.filter || "";
7345
7346      // IE has trouble with opacity if it does not have layout
7347      // Force it by setting the zoom level
7348      style.zoom = 1;
7349
7350      // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
7351      // if value === "", then remove inline opacity #12685
7352      if ( ( value >= 1 || value === "" ) &&
7353          jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
7354          style.removeAttribute ) {
7355
7356        // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
7357        // if "filter:" is present at all, clearType is disabled, we want to avoid this
7358        // style.removeAttribute is IE Only, but so apparently is this code path...
7359        style.removeAttribute( "filter" );
7360
7361        // if there is no filter style applied in a css rule or unset inline opacity, we are done
7362        if ( value === "" || currentStyle && !currentStyle.filter ) {
7363          return;
7364        }
7365      }
7366
7367      // otherwise, set new filter values
7368      style.filter = ralpha.test( filter ) ?
7369        filter.replace( ralpha, opacity ) :
7370        filter + " " + opacity;
7371    }
7372  };
7373}
7374
7375// These hooks cannot be added until DOM ready because the support test
7376// for it is not run until after DOM ready
7377jQuery(function() {
7378  if ( !jQuery.support.reliableMarginRight ) {
7379    jQuery.cssHooks.marginRight = {
7380      get: function( elem, computed ) {
7381        if ( computed ) {
7382          // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
7383          // Work around by temporarily setting element display to inline-block
7384          return jQuery.swap( elem, { "display": "inline-block" },
7385            curCSS, [ elem, "marginRight" ] );
7386        }
7387      }
7388    };
7389  }
7390
7391  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
7392  // getComputedStyle returns percent when specified for top/left/bottom/right
7393  // rather than make the css module depend on the offset module, we just check for it here
7394  if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
7395    jQuery.each( [ "top", "left" ], function( i, prop ) {
7396      jQuery.cssHooks[ prop ] = {
7397        get: function( elem, computed ) {
7398          if ( computed ) {
7399            computed = curCSS( elem, prop );
7400            // if curCSS returns percentage, fallback to offset
7401            return rnumnonpx.test( computed ) ?
7402              jQuery( elem ).position()[ prop ] + "px" :
7403              computed;
7404          }
7405        }
7406      };
7407    });
7408  }
7409
7410});
7411
7412if ( jQuery.expr && jQuery.expr.filters ) {
7413  jQuery.expr.filters.hidden = function( elem ) {
7414    // Support: Opera <= 12.12
7415    // Opera reports offsetWidths and offsetHeights less than zero on some elements
7416    return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
7417      (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
7418  };
7419
7420  jQuery.expr.filters.visible = function( elem ) {
7421    return !jQuery.expr.filters.hidden( elem );
7422  };
7423}
7424
7425// These hooks are used by animate to expand properties
7426jQuery.each({
7427  margin: "",
7428  padding: "",
7429  border: "Width"
7430}, function( prefix, suffix ) {
7431  jQuery.cssHooks[ prefix + suffix ] = {
7432    expand: function( value ) {
7433      var i = 0,
7434        expanded = {},
7435
7436        // assumes a single number if not a string
7437        parts = typeof value === "string" ? value.split(" ") : [ value ];
7438
7439      for ( ; i < 4; i++ ) {
7440        expanded[ prefix + cssExpand[ i ] + suffix ] =
7441          parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7442      }
7443
7444      return expanded;
7445    }
7446  };
7447
7448  if ( !rmargin.test( prefix ) ) {
7449    jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7450  }
7451});
7452var r20 = /%20/g,
7453  rbracket = /\[\]$/,
7454  rCRLF = /\r?\n/g,
7455  rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
7456  rsubmittable = /^(?:input|select|textarea|keygen)/i;
7457
7458jQuery.fn.extend({
7459  serialize: function() {
7460    return jQuery.param( this.serializeArray() );
7461  },
7462  serializeArray: function() {
7463    return this.map(function(){
7464      // Can add propHook for "elements" to filter or add form elements
7465      var elements = jQuery.prop( this, "elements" );
7466      return elements ? jQuery.makeArray( elements ) : this;
7467    })
7468    .filter(function(){
7469      var type = this.type;
7470      // Use .is(":disabled") so that fieldset[disabled] works
7471      return this.name && !jQuery( this ).is( ":disabled" ) &&
7472        rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
7473        ( this.checked || !manipulation_rcheckableType.test( type ) );
7474    })
7475    .map(function( i, elem ){
7476      var val = jQuery( this ).val();
7477
7478      return val == null ?
7479        null :
7480        jQuery.isArray( val ) ?
7481          jQuery.map( val, function( val ){
7482            return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7483          }) :
7484          { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7485    }).get();
7486  }
7487});
7488
7489//Serialize an array of form elements or a set of
7490//key/values into a query string
7491jQuery.param = function( a, traditional ) {
7492  var prefix,
7493    s = [],
7494    add = function( key, value ) {
7495      // If value is a function, invoke it and return its value
7496      value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
7497      s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
7498    };
7499
7500  // Set traditional to true for jQuery <= 1.3.2 behavior.
7501  if ( traditional === undefined ) {
7502    traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
7503  }
7504
7505  // If an array was passed in, assume that it is an array of form elements.
7506  if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7507    // Serialize the form elements
7508    jQuery.each( a, function() {
7509      add( this.name, this.value );
7510    });
7511
7512  } else {
7513    // If traditional, encode the "old" way (the way 1.3.2 or older
7514    // did it), otherwise encode params recursively.
7515    for ( prefix in a ) {
7516      buildParams( prefix, a[ prefix ], traditional, add );
7517    }
7518  }
7519
7520  // Return the resulting serialization
7521  return s.join( "&" ).replace( r20, "+" );
7522};
7523
7524function buildParams( prefix, obj, traditional, add ) {
7525  var name;
7526
7527  if ( jQuery.isArray( obj ) ) {
7528    // Serialize array item.
7529    jQuery.each( obj, function( i, v ) {
7530      if ( traditional || rbracket.test( prefix ) ) {
7531        // Treat each array item as a scalar.
7532        add( prefix, v );
7533
7534      } else {
7535        // Item is non-scalar (array or object), encode its numeric index.
7536        buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
7537      }
7538    });
7539
7540  } else if ( !traditional && jQuery.type( obj ) === "object" ) {
7541    // Serialize object item.
7542    for ( name in obj ) {
7543      buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7544    }
7545
7546  } else {
7547    // Serialize scalar item.
7548    add( prefix, obj );
7549  }
7550}
7551jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
7552  "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
7553  "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
7554
7555  // Handle event binding
7556  jQuery.fn[ name ] = function( data, fn ) {
7557    return arguments.length > 0 ?
7558      this.on( name, null, data, fn ) :
7559      this.trigger( name );
7560  };
7561});
7562
7563jQuery.fn.extend({
7564  hover: function( fnOver, fnOut ) {
7565    return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
7566  },
7567
7568  bind: function( types, data, fn ) {
7569    return this.on( types, null, data, fn );
7570  },
7571  unbind: function( types, fn ) {
7572    return this.off( types, null, fn );
7573  },
7574
7575  delegate: function( selector, types, data, fn ) {
7576    return this.on( types, selector, data, fn );
7577  },
7578  undelegate: function( selector, types, fn ) {
7579    // ( namespace ) or ( selector, types [, fn] )
7580    return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
7581  }
7582});
7583var
7584  // Document location
7585  ajaxLocParts,
7586  ajaxLocation,
7587  ajax_nonce = jQuery.now(),
7588
7589  ajax_rquery = /\?/,
7590  rhash = /#.*$/,
7591  rts = /([?&])_=[^&]*/,
7592  rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
7593  // #7653, #8125, #8152: local protocol detection
7594  rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
7595  rnoContent = /^(?:GET|HEAD)$/,
7596  rprotocol = /^\/\//,
7597  rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
7598
7599  // Keep a copy of the old load method
7600  _load = jQuery.fn.load,
7601
7602  /* Prefilters
7603   * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
7604   * 2) These are called:
7605   *    - BEFORE asking for a transport
7606   *    - AFTER param serialization (s.data is a string if s.processData is true)
7607   * 3) key is the dataType
7608   * 4) the catchall symbol "*" can be used
7609   * 5) execution will start with transport dataType and THEN continue down to "*" if needed
7610   */
7611  prefilters = {},
7612
7613  /* Transports bindings
7614   * 1) key is the dataType
7615   * 2) the catchall symbol "*" can be used
7616   * 3) selection will start with transport dataType and THEN go to "*" if needed
7617   */
7618  transports = {},
7619
7620  // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
7621  allTypes = "*/".concat("*");
7622
7623// #8138, IE may throw an exception when accessing
7624// a field from window.location if document.domain has been set
7625try {
7626  ajaxLocation = location.href;
7627} catch( e ) {
7628  // Use the href attribute of an A element
7629  // since IE will modify it given document.location
7630  ajaxLocation = document.createElement( "a" );
7631  ajaxLocation.href = "";
7632  ajaxLocation = ajaxLocation.href;
7633}
7634
7635// Segment location into parts
7636ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
7637
7638// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
7639function addToPrefiltersOrTransports( structure ) {
7640
7641  // dataTypeExpression is optional and defaults to "*"
7642  return function( dataTypeExpression, func ) {
7643
7644    if ( typeof dataTypeExpression !== "string" ) {
7645      func = dataTypeExpression;
7646      dataTypeExpression = "*";
7647    }
7648
7649    var dataType,
7650      i = 0,
7651      dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
7652
7653    if ( jQuery.isFunction( func ) ) {
7654      // For each dataType in the dataTypeExpression
7655      while ( (dataType = dataTypes[i++]) ) {
7656        // Prepend if requested
7657        if ( dataType[0] === "+" ) {
7658          dataType = dataType.slice( 1 ) || "*";
7659          (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
7660
7661        // Otherwise append
7662        } else {
7663          (structure[ dataType ] = structure[ dataType ] || []).push( func );
7664        }
7665      }
7666    }
7667  };
7668}
7669
7670// Base inspection function for prefilters and transports
7671function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
7672
7673  var inspected = {},
7674    seekingTransport = ( structure === transports );
7675
7676  function inspect( dataType ) {
7677    var selected;
7678    inspected[ dataType ] = true;
7679    jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
7680      var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
7681      if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
7682        options.dataTypes.unshift( dataTypeOrTransport );
7683        inspect( dataTypeOrTransport );
7684        return false;
7685      } else if ( seekingTransport ) {
7686        return !( selected = dataTypeOrTransport );
7687      }
7688    });
7689    return selected;
7690  }
7691
7692  return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
7693}
7694
7695// A special extend for ajax options
7696// that takes "flat" options (not to be deep extended)
7697// Fixes #9887
7698function ajaxExtend( target, src ) {
7699  var deep, key,
7700    flatOptions = jQuery.ajaxSettings.flatOptions || {};
7701
7702  for ( key in src ) {
7703    if ( src[ key ] !== undefined ) {
7704      ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
7705    }
7706  }
7707  if ( deep ) {
7708    jQuery.extend( true, target, deep );
7709  }
7710
7711  return target;
7712}
7713
7714jQuery.fn.load = function( url, params, callback ) {
7715  if ( typeof url !== "string" && _load ) {
7716    return _load.apply( this, arguments );
7717  }
7718
7719  var selector, response, type,
7720    self = this,
7721    off = url.indexOf(" ");
7722
7723  if ( off >= 0 ) {
7724    selector = url.slice( off, url.length );
7725    url = url.slice( 0, off );
7726  }
7727
7728  // If it's a function
7729  if ( jQuery.isFunction( params ) ) {
7730
7731    // We assume that it's the callback
7732    callback = params;
7733    params = undefined;
7734
7735  // Otherwise, build a param string
7736  } else if ( params && typeof params === "object" ) {
7737    type = "POST";
7738  }
7739
7740  // If we have elements to modify, make the request
7741  if ( self.length > 0 ) {
7742    jQuery.ajax({
7743      url: url,
7744
7745      // if "type" variable is undefined, then "GET" method will be used
7746      type: type,
7747      dataType: "html",
7748      data: params
7749    }).done(function( responseText ) {
7750
7751      // Save response for use in complete callback
7752      response = arguments;
7753
7754      self.html( selector ?
7755
7756        // If a selector was specified, locate the right elements in a dummy div
7757        // Exclude scripts to avoid IE 'Permission Denied' errors
7758        jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
7759
7760        // Otherwise use the full result
7761        responseText );
7762
7763    }).complete( callback && function( jqXHR, status ) {
7764      self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
7765    });
7766  }
7767
7768  return this;
7769};
7770
7771// Attach a bunch of functions for handling common AJAX events
7772jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
7773  jQuery.fn[ type ] = function( fn ){
7774    return this.on( type, fn );
7775  };
7776});
7777
7778jQuery.extend({
7779
7780  // Counter for holding the number of active queries
7781  active: 0,
7782
7783  // Last-Modified header cache for next request
7784  lastModified: {},
7785  etag: {},
7786
7787  ajaxSettings: {
7788    url: ajaxLocation,
7789    type: "GET",
7790    isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
7791    global: true,
7792    processData: true,
7793    async: true,
7794    contentType: "application/x-www-form-urlencoded; charset=UTF-8",
7795    /*
7796    timeout: 0,
7797    data: null,
7798    dataType: null,
7799    username: null,
7800    password: null,
7801    cache: null,
7802    throws: false,
7803    traditional: false,
7804    headers: {},
7805    */
7806
7807    accepts: {
7808      "*": allTypes,
7809      text: "text/plain",
7810      html: "text/html",
7811      xml: "application/xml, text/xml",
7812      json: "application/json, text/javascript"
7813    },
7814
7815    contents: {
7816      xml: /xml/,
7817      html: /html/,
7818      json: /json/
7819    },
7820
7821    responseFields: {
7822      xml: "responseXML",
7823      text: "responseText",
7824      json: "responseJSON"
7825    },
7826
7827    // Data converters
7828    // Keys separate source (or catchall "*") and destination types with a single space
7829    converters: {
7830
7831      // Convert anything to text
7832      "* text": String,
7833
7834      // Text to html (true = no transformation)
7835      "text html": true,
7836
7837      // Evaluate text as a json expression
7838      "text json": jQuery.parseJSON,
7839
7840      // Parse text as xml
7841      "text xml": jQuery.parseXML
7842    },
7843
7844    // For options that shouldn't be deep extended:
7845    // you can add your own custom options here if
7846    // and when you create one that shouldn't be
7847    // deep extended (see ajaxExtend)
7848    flatOptions: {
7849      url: true,
7850      context: true
7851    }
7852  },
7853
7854  // Creates a full fledged settings object into target
7855  // with both ajaxSettings and settings fields.
7856  // If target is omitted, writes into ajaxSettings.
7857  ajaxSetup: function( target, settings ) {
7858    return settings ?
7859
7860      // Building a settings object
7861      ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
7862
7863      // Extending ajaxSettings
7864      ajaxExtend( jQuery.ajaxSettings, target );
7865  },
7866
7867  ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
7868  ajaxTransport: addToPrefiltersOrTransports( transports ),
7869
7870  // Main method
7871  ajax: function( url, options ) {
7872
7873    // If url is an object, simulate pre-1.5 signature
7874    if ( typeof url === "object" ) {
7875      options = url;
7876      url = undefined;
7877    }
7878
7879    // Force options to be an object
7880    options = options || {};
7881
7882    var // Cross-domain detection vars
7883      parts,
7884      // Loop variable
7885      i,
7886      // URL without anti-cache param
7887      cacheURL,
7888      // Response headers as string
7889      responseHeadersString,
7890      // timeout handle
7891      timeoutTimer,
7892
7893      // To know if global events are to be dispatched
7894      fireGlobals,
7895
7896      transport,
7897      // Response headers
7898      responseHeaders,
7899      // Create the final options object
7900      s = jQuery.ajaxSetup( {}, options ),
7901      // Callbacks context
7902      callbackContext = s.context || s,
7903      // Context for global events is callbackContext if it is a DOM node or jQuery collection
7904      globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
7905        jQuery( callbackContext ) :
7906        jQuery.event,
7907      // Deferreds
7908      deferred = jQuery.Deferred(),
7909      completeDeferred = jQuery.Callbacks("once memory"),
7910      // Status-dependent callbacks
7911      statusCode = s.statusCode || {},
7912      // Headers (they are sent all at once)
7913      requestHeaders = {},
7914      requestHeadersNames = {},
7915      // The jqXHR state
7916      state = 0,
7917      // Default abort message
7918      strAbort = "canceled",
7919      // Fake xhr
7920      jqXHR = {
7921        readyState: 0,
7922
7923        // Builds headers hashtable if needed
7924        getResponseHeader: function( key ) {
7925          var match;
7926          if ( state === 2 ) {
7927            if ( !responseHeaders ) {
7928              responseHeaders = {};
7929              while ( (match = rheaders.exec( responseHeadersString )) ) {
7930                responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
7931              }
7932            }
7933            match = responseHeaders[ key.toLowerCase() ];
7934          }
7935          return match == null ? null : match;
7936        },
7937
7938        // Raw string
7939        getAllResponseHeaders: function() {
7940          return state === 2 ? responseHeadersString : null;
7941        },
7942
7943        // Caches the header
7944        setRequestHeader: function( name, value ) {
7945          var lname = name.toLowerCase();
7946          if ( !state ) {
7947            name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
7948            requestHeaders[ name ] = value;
7949          }
7950          return this;
7951        },
7952
7953        // Overrides response content-type header
7954        overrideMimeType: function( type ) {
7955          if ( !state ) {
7956            s.mimeType = type;
7957          }
7958          return this;
7959        },
7960
7961        // Status-dependent callbacks
7962        statusCode: function( map ) {
7963          var code;
7964          if ( map ) {
7965            if ( state < 2 ) {
7966              for ( code in map ) {
7967                // Lazy-add the new callback in a way that preserves old ones
7968                statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
7969              }
7970            } else {
7971              // Execute the appropriate callbacks
7972              jqXHR.always( map[ jqXHR.status ] );
7973            }
7974          }
7975          return this;
7976        },
7977
7978        // Cancel the request
7979        abort: function( statusText ) {
7980          var finalText = statusText || strAbort;
7981          if ( transport ) {
7982            transport.abort( finalText );
7983          }
7984          done( 0, finalText );
7985          return this;
7986        }
7987      };
7988
7989    // Attach deferreds
7990    deferred.promise( jqXHR ).complete = completeDeferred.add;
7991    jqXHR.success = jqXHR.done;
7992    jqXHR.error = jqXHR.fail;
7993
7994    // Remove hash character (#7531: and string promotion)
7995    // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
7996    // Handle falsy url in the settings object (#10093: consistency with old signature)
7997    // We also use the url parameter if available
7998    s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
7999
8000    // Alias method option to type as per ticket #12004
8001    s.type = options.method || options.type || s.method || s.type;
8002
8003    // Extract dataTypes list
8004    s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
8005
8006    // A cross-domain request is in order when we have a protocol:host:port mismatch
8007    if ( s.crossDomain == null ) {
8008      parts = rurl.exec( s.url.toLowerCase() );
8009      s.crossDomain = !!( parts &&
8010        ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
8011          ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
8012            ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
8013      );
8014    }
8015
8016    // Convert data if not already a string
8017    if ( s.data && s.processData && typeof s.data !== "string" ) {
8018      s.data = jQuery.param( s.data, s.traditional );
8019    }
8020
8021    // Apply prefilters
8022    inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
8023
8024    // If request was aborted inside a prefilter, stop there
8025    if ( state === 2 ) {
8026      return jqXHR;
8027    }
8028
8029    // We can fire global events as of now if asked to
8030    fireGlobals = s.global;
8031
8032    // Watch for a new set of requests
8033    if ( fireGlobals && jQuery.active++ === 0 ) {
8034      jQuery.event.trigger("ajaxStart");
8035    }
8036
8037    // Uppercase the type
8038    s.type = s.type.toUpperCase();
8039
8040    // Determine if request has content
8041    s.hasContent = !rnoContent.test( s.type );
8042
8043    // Save the URL in case we're toying with the If-Modified-Since
8044    // and/or If-None-Match header later on
8045    cacheURL = s.url;
8046
8047    // More options handling for requests with no content
8048    if ( !s.hasContent ) {
8049
8050      // If data is available, append data to url
8051      if ( s.data ) {
8052        cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
8053        // #9682: remove data so that it's not used in an eventual retry
8054        delete s.data;
8055      }
8056
8057      // Add anti-cache in url if needed
8058      if ( s.cache === false ) {
8059        s.url = rts.test( cacheURL ) ?
8060
8061          // If there is already a '_' parameter, set its value
8062          cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
8063
8064          // Otherwise add one to the end
8065          cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
8066      }
8067    }
8068
8069    // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8070    if ( s.ifModified ) {
8071      if ( jQuery.lastModified[ cacheURL ] ) {
8072        jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
8073      }
8074      if ( jQuery.etag[ cacheURL ] ) {
8075        jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
8076      }
8077    }
8078
8079    // Set the correct header, if data is being sent
8080    if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
8081      jqXHR.setRequestHeader( "Content-Type", s.contentType );
8082    }
8083
8084    // Set the Accepts header for the server, depending on the dataType
8085    jqXHR.setRequestHeader(
8086      "Accept",
8087      s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
8088        s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
8089        s.accepts[ "*" ]
8090    );
8091
8092    // Check for headers option
8093    for ( i in s.headers ) {
8094      jqXHR.setRequestHeader( i, s.headers[ i ] );
8095    }
8096
8097    // Allow custom headers/mimetypes and early abort
8098    if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
8099      // Abort if not done already and return
8100      return jqXHR.abort();
8101    }
8102
8103    // aborting is no longer a cancellation
8104    strAbort = "abort";
8105
8106    // Install callbacks on deferreds
8107    for ( i in { success: 1, error: 1, complete: 1 } ) {
8108      jqXHR[ i ]( s[ i ] );
8109    }
8110
8111    // Get transport
8112    transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
8113
8114    // If no transport, we auto-abort
8115    if ( !transport ) {
8116      done( -1, "No Transport" );
8117    } else {
8118      jqXHR.readyState = 1;
8119
8120      // Send global event
8121      if ( fireGlobals ) {
8122        globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
8123      }
8124      // Timeout
8125      if ( s.async && s.timeout > 0 ) {
8126        timeoutTimer = setTimeout(function() {
8127          jqXHR.abort("timeout");
8128        }, s.timeout );
8129      }
8130
8131      try {
8132        state = 1;
8133        transport.send( requestHeaders, done );
8134      } catch ( e ) {
8135        // Propagate exception as error if not done
8136        if ( state < 2 ) {
8137          done( -1, e );
8138        // Simply rethrow otherwise
8139        } else {
8140          throw e;
8141        }
8142      }
8143    }
8144
8145    // Callback for when everything is done
8146    function done( status, nativeStatusText, responses, headers ) {
8147      var isSuccess, success, error, response, modified,
8148        statusText = nativeStatusText;
8149
8150      // Called once
8151      if ( state === 2 ) {
8152        return;
8153      }
8154
8155      // State is "done" now
8156      state = 2;
8157
8158      // Clear timeout if it exists
8159      if ( timeoutTimer ) {
8160        clearTimeout( timeoutTimer );
8161      }
8162
8163      // Dereference transport for early garbage collection
8164      // (no matter how long the jqXHR object will be used)
8165      transport = undefined;
8166
8167      // Cache response headers
8168      responseHeadersString = headers || "";
8169
8170      // Set readyState
8171      jqXHR.readyState = status > 0 ? 4 : 0;
8172
8173      // Determine if successful
8174      isSuccess = status >= 200 && status < 300 || status === 304;
8175
8176      // Get response data
8177      if ( responses ) {
8178        response = ajaxHandleResponses( s, jqXHR, responses );
8179      }
8180
8181      // Convert no matter what (that way responseXXX fields are always set)
8182      response = ajaxConvert( s, response, jqXHR, isSuccess );
8183
8184      // If successful, handle type chaining
8185      if ( isSuccess ) {
8186
8187        // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8188        if ( s.ifModified ) {
8189          modified = jqXHR.getResponseHeader("Last-Modified");
8190          if ( modified ) {
8191            jQuery.lastModified[ cacheURL ] = modified;
8192          }
8193          modified = jqXHR.getResponseHeader("etag");
8194          if ( modified ) {
8195            jQuery.etag[ cacheURL ] = modified;
8196          }
8197        }
8198
8199        // if no content
8200        if ( status === 204 || s.type === "HEAD" ) {
8201          statusText = "nocontent";
8202
8203        // if not modified
8204        } else if ( status === 304 ) {
8205          statusText = "notmodified";
8206
8207        // If we have data, let's convert it
8208        } else {
8209          statusText = response.state;
8210          success = response.data;
8211          error = response.error;
8212          isSuccess = !error;
8213        }
8214      } else {
8215        // We extract error from statusText
8216        // then normalize statusText and status for non-aborts
8217        error = statusText;
8218        if ( status || !statusText ) {
8219          statusText = "error";
8220          if ( status < 0 ) {
8221            status = 0;
8222          }
8223        }
8224      }
8225
8226      // Set data for the fake xhr object
8227      jqXHR.status = status;
8228      jqXHR.statusText = ( nativeStatusText || statusText ) + "";
8229
8230      // Success/Error
8231      if ( isSuccess ) {
8232        deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
8233      } else {
8234        deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
8235      }
8236
8237      // Status-dependent callbacks
8238      jqXHR.statusCode( statusCode );
8239      statusCode = undefined;
8240
8241      if ( fireGlobals ) {
8242        globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
8243          [ jqXHR, s, isSuccess ? success : error ] );
8244      }
8245
8246      // Complete
8247      completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
8248
8249      if ( fireGlobals ) {
8250        globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
8251        // Handle the global AJAX counter
8252        if ( !( --jQuery.active ) ) {
8253          jQuery.event.trigger("ajaxStop");
8254        }
8255      }
8256    }
8257
8258    return jqXHR;
8259  },
8260
8261  getJSON: function( url, data, callback ) {
8262    return jQuery.get( url, data, callback, "json" );
8263  },
8264
8265  getScript: function( url, callback ) {
8266    return jQuery.get( url, undefined, callback, "script" );
8267  }
8268});
8269
8270jQuery.each( [ "get", "post" ], function( i, method ) {
8271  jQuery[ method ] = function( url, data, callback, type ) {
8272    // shift arguments if data argument was omitted
8273    if ( jQuery.isFunction( data ) ) {
8274      type = type || callback;
8275      callback = data;
8276      data = undefined;
8277    }
8278
8279    return jQuery.ajax({
8280      url: url,
8281      type: method,
8282      dataType: type,
8283      data: data,
8284      success: callback
8285    });
8286  };
8287});
8288
8289/* Handles responses to an ajax request:
8290 * - finds the right dataType (mediates between content-type and expected dataType)
8291 * - returns the corresponding response
8292 */
8293function ajaxHandleResponses( s, jqXHR, responses ) {
8294  var firstDataType, ct, finalDataType, type,
8295    contents = s.contents,
8296    dataTypes = s.dataTypes;
8297
8298  // Remove auto dataType and get content-type in the process
8299  while( dataTypes[ 0 ] === "*" ) {
8300    dataTypes.shift();
8301    if ( ct === undefined ) {
8302      ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8303    }
8304  }
8305
8306  // Check if we're dealing with a known content-type
8307  if ( ct ) {
8308    for ( type in contents ) {
8309      if ( contents[ type ] && contents[ type ].test( ct ) ) {
8310        dataTypes.unshift( type );
8311        break;
8312      }
8313    }
8314  }
8315
8316  // Check to see if we have a response for the expected dataType
8317  if ( dataTypes[ 0 ] in responses ) {
8318    finalDataType = dataTypes[ 0 ];
8319  } else {
8320    // Try convertible dataTypes
8321    for ( type in responses ) {
8322      if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8323        finalDataType = type;
8324        break;
8325      }
8326      if ( !firstDataType ) {
8327        firstDataType = type;
8328      }
8329    }
8330    // Or just use first one
8331    finalDataType = finalDataType || firstDataType;
8332  }
8333
8334  // If we found a dataType
8335  // We add the dataType to the list if needed
8336  // and return the corresponding response
8337  if ( finalDataType ) {
8338    if ( finalDataType !== dataTypes[ 0 ] ) {
8339      dataTypes.unshift( finalDataType );
8340    }
8341    return responses[ finalDataType ];
8342  }
8343}
8344
8345/* Chain conversions given the request and the original response
8346 * Also sets the responseXXX fields on the jqXHR instance
8347 */
8348function ajaxConvert( s, response, jqXHR, isSuccess ) {
8349  var conv2, current, conv, tmp, prev,
8350    converters = {},
8351    // Work with a copy of dataTypes in case we need to modify it for conversion
8352    dataTypes = s.dataTypes.slice();
8353
8354  // Create converters map with lowercased keys
8355  if ( dataTypes[ 1 ] ) {
8356    for ( conv in s.converters ) {
8357      converters[ conv.toLowerCase() ] = s.converters[ conv ];
8358    }
8359  }
8360
8361  current = dataTypes.shift();
8362
8363  // Convert to each sequential dataType
8364  while ( current ) {
8365
8366    if ( s.responseFields[ current ] ) {
8367      jqXHR[ s.responseFields[ current ] ] = response;
8368    }
8369
8370    // Apply the dataFilter if provided
8371    if ( !prev && isSuccess && s.dataFilter ) {
8372      response = s.dataFilter( response, s.dataType );
8373    }
8374
8375    prev = current;
8376    current = dataTypes.shift();
8377
8378    if ( current ) {
8379
8380      // There's only work to do if current dataType is non-auto
8381      if ( current === "*" ) {
8382
8383        current = prev;
8384
8385      // Convert response if prev dataType is non-auto and differs from current
8386      } else if ( prev !== "*" && prev !== current ) {
8387
8388        // Seek a direct converter
8389        conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8390
8391        // If none found, seek a pair
8392        if ( !conv ) {
8393          for ( conv2 in converters ) {
8394
8395            // If conv2 outputs current
8396            tmp = conv2.split( " " );
8397            if ( tmp[ 1 ] === current ) {
8398
8399              // If prev can be converted to accepted input
8400              conv = converters[ prev + " " + tmp[ 0 ] ] ||
8401                converters[ "* " + tmp[ 0 ] ];
8402              if ( conv ) {
8403                // Condense equivalence converters
8404                if ( conv === true ) {
8405                  conv = converters[ conv2 ];
8406
8407                // Otherwise, insert the intermediate dataType
8408                } else if ( converters[ conv2 ] !== true ) {
8409                  current = tmp[ 0 ];
8410                  dataTypes.unshift( tmp[ 1 ] );
8411                }
8412                break;
8413              }
8414            }
8415          }
8416        }
8417
8418        // Apply converter (if not an equivalence)
8419        if ( conv !== true ) {
8420
8421          // Unless errors are allowed to bubble, catch and return them
8422          if ( conv && s[ "throws" ] ) {
8423            response = conv( response );
8424          } else {
8425            try {
8426              response = conv( response );
8427            } catch ( e ) {
8428              return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8429            }
8430          }
8431        }
8432      }
8433    }
8434  }
8435
8436  return { state: "success", data: response };
8437}
8438// Install script dataType
8439jQuery.ajaxSetup({
8440  accepts: {
8441    script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
8442  },
8443  contents: {
8444    script: /(?:java|ecma)script/
8445  },
8446  converters: {
8447    "text script": function( text ) {
8448      jQuery.globalEval( text );
8449      return text;
8450    }
8451  }
8452});
8453
8454// Handle cache's special case and global
8455jQuery.ajaxPrefilter( "script", function( s ) {
8456  if ( s.cache === undefined ) {
8457    s.cache = false;
8458  }
8459  if ( s.crossDomain ) {
8460    s.type = "GET";
8461    s.global = false;
8462  }
8463});
8464
8465// Bind script tag hack transport
8466jQuery.ajaxTransport( "script", function(s) {
8467
8468  // This transport only deals with cross domain requests
8469  if ( s.crossDomain ) {
8470
8471    var script,
8472      head = document.head || jQuery("head")[0] || document.documentElement;
8473
8474    return {
8475
8476      send: function( _, callback ) {
8477
8478        script = document.createElement("script");
8479
8480        script.async = true;
8481
8482        if ( s.scriptCharset ) {
8483          script.charset = s.scriptCharset;
8484        }
8485
8486        script.src = s.url;
8487
8488        // Attach handlers for all browsers
8489        script.onload = script.onreadystatechange = function( _, isAbort ) {
8490
8491          if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
8492
8493            // Handle memory leak in IE
8494            script.onload = script.onreadystatechange = null;
8495
8496            // Remove the script
8497            if ( script.parentNode ) {
8498              script.parentNode.removeChild( script );
8499            }
8500
8501            // Dereference the script
8502            script = null;
8503
8504            // Callback if not abort
8505            if ( !isAbort ) {
8506              callback( 200, "success" );
8507            }
8508          }
8509        };
8510
8511        // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
8512        // Use native DOM manipulation to avoid our domManip AJAX trickery
8513        head.insertBefore( script, head.firstChild );
8514      },
8515
8516      abort: function() {
8517        if ( script ) {
8518          script.onload( undefined, true );
8519        }
8520      }
8521    };
8522  }
8523});
8524var oldCallbacks = [],
8525  rjsonp = /(=)\?(?=&|$)|\?\?/;
8526
8527// Default jsonp settings
8528jQuery.ajaxSetup({
8529  jsonp: "callback",
8530  jsonpCallback: function() {
8531    var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
8532    this[ callback ] = true;
8533    return callback;
8534  }
8535});
8536
8537// Detect, normalize options and install callbacks for jsonp requests
8538jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
8539
8540  var callbackName, overwritten, responseContainer,
8541    jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
8542      "url" :
8543      typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
8544    );
8545
8546  // Handle iff the expected data type is "jsonp" or we have a parameter to set
8547  if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
8548
8549    // Get callback name, remembering preexisting value associated with it
8550    callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
8551      s.jsonpCallback() :
8552      s.jsonpCallback;
8553
8554    // Insert callback into url or form data
8555    if ( jsonProp ) {
8556      s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
8557    } else if ( s.jsonp !== false ) {
8558      s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
8559    }
8560
8561    // Use data converter to retrieve json after script execution
8562    s.converters["script json"] = function() {
8563      if ( !responseContainer ) {
8564        jQuery.error( callbackName + " was not called" );
8565      }
8566      return responseContainer[ 0 ];
8567    };
8568
8569    // force json dataType
8570    s.dataTypes[ 0 ] = "json";
8571
8572    // Install callback
8573    overwritten = window[ callbackName ];
8574    window[ callbackName ] = function() {
8575      responseContainer = arguments;
8576    };
8577
8578    // Clean-up function (fires after converters)
8579    jqXHR.always(function() {
8580      // Restore preexisting value
8581      window[ callbackName ] = overwritten;
8582
8583      // Save back as free
8584      if ( s[ callbackName ] ) {
8585        // make sure that re-using the options doesn't screw things around
8586        s.jsonpCallback = originalSettings.jsonpCallback;
8587
8588        // save the callback name for future use
8589        oldCallbacks.push( callbackName );
8590      }
8591
8592      // Call if it was a function and we have a response
8593      if ( responseContainer && jQuery.isFunction( overwritten ) ) {
8594        overwritten( responseContainer[ 0 ] );
8595      }
8596
8597      responseContainer = overwritten = undefined;
8598    });
8599
8600    // Delegate to script
8601    return "script";
8602  }
8603});
8604var xhrCallbacks, xhrSupported,
8605  xhrId = 0,
8606  // #5280: Internet Explorer will keep connections alive if we don't abort on unload
8607  xhrOnUnloadAbort = window.ActiveXObject && function() {
8608    // Abort all pending requests
8609    var key;
8610    for ( key in xhrCallbacks ) {
8611      xhrCallbacks[ key ]( undefined, true );
8612    }
8613  };
8614
8615// Functions to create xhrs
8616function createStandardXHR() {
8617  try {
8618    return new window.XMLHttpRequest();
8619  } catch( e ) {}
8620}
8621
8622function createActiveXHR() {
8623  try {
8624    return new window.ActiveXObject("Microsoft.XMLHTTP");
8625  } catch( e ) {}
8626}
8627
8628// Create the request object
8629// (This is still attached to ajaxSettings for backward compatibility)
8630jQuery.ajaxSettings.xhr = window.ActiveXObject ?
8631  /* Microsoft failed to properly
8632   * implement the XMLHttpRequest in IE7 (can't request local files),
8633   * so we use the ActiveXObject when it is available
8634   * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
8635   * we need a fallback.
8636   */
8637  function() {
8638    return !this.isLocal && createStandardXHR() || createActiveXHR();
8639  } :
8640  // For all other browsers, use the standard XMLHttpRequest object
8641  createStandardXHR;
8642
8643// Determine support properties
8644xhrSupported = jQuery.ajaxSettings.xhr();
8645jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
8646xhrSupported = jQuery.support.ajax = !!xhrSupported;
8647
8648// Create transport if the browser can provide an xhr
8649if ( xhrSupported ) {
8650
8651  jQuery.ajaxTransport(function( s ) {
8652    // Cross domain only allowed if supported through XMLHttpRequest
8653    if ( !s.crossDomain || jQuery.support.cors ) {
8654
8655      var callback;
8656
8657      return {
8658        send: function( headers, complete ) {
8659
8660          // Get a new xhr
8661          var handle, i,
8662            xhr = s.xhr();
8663
8664          // Open the socket
8665          // Passing null username, generates a login popup on Opera (#2865)
8666          if ( s.username ) {
8667            xhr.open( s.type, s.url, s.async, s.username, s.password );
8668          } else {
8669            xhr.open( s.type, s.url, s.async );
8670          }
8671
8672          // Apply custom fields if provided
8673          if ( s.xhrFields ) {
8674            for ( i in s.xhrFields ) {
8675              xhr[ i ] = s.xhrFields[ i ];
8676            }
8677          }
8678
8679          // Override mime type if needed
8680          if ( s.mimeType && xhr.overrideMimeType ) {
8681            xhr.overrideMimeType( s.mimeType );
8682          }
8683
8684          // X-Requested-With header
8685          // For cross-domain requests, seeing as conditions for a preflight are
8686          // akin to a jigsaw puzzle, we simply never set it to be sure.
8687          // (it can always be set on a per-request basis or even using ajaxSetup)
8688          // For same-domain requests, won't change header if already provided.
8689          if ( !s.crossDomain && !headers["X-Requested-With"] ) {
8690            headers["X-Requested-With"] = "XMLHttpRequest";
8691          }
8692
8693          // Need an extra try/catch for cross domain requests in Firefox 3
8694          try {
8695            for ( i in headers ) {
8696              xhr.setRequestHeader( i, headers[ i ] );
8697            }
8698          } catch( err ) {}
8699
8700          // Do send the request
8701          // This may raise an exception which is actually
8702          // handled in jQuery.ajax (so no try/catch here)
8703          xhr.send( ( s.hasContent && s.data ) || null );
8704
8705          // Listener
8706          callback = function( _, isAbort ) {
8707            var status, responseHeaders, statusText, responses;
8708
8709            // Firefox throws exceptions when accessing properties
8710            // of an xhr when a network error occurred
8711            // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
8712            try {
8713
8714              // Was never called and is aborted or complete
8715              if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
8716
8717                // Only called once
8718                callback = undefined;
8719
8720                // Do not keep as active anymore
8721                if ( handle ) {
8722                  xhr.onreadystatechange = jQuery.noop;
8723                  if ( xhrOnUnloadAbort ) {
8724                    delete xhrCallbacks[ handle ];
8725                  }
8726                }
8727
8728                // If it's an abort
8729                if ( isAbort ) {
8730                  // Abort it manually if needed
8731                  if ( xhr.readyState !== 4 ) {
8732                    xhr.abort();
8733                  }
8734                } else {
8735                  responses = {};
8736                  status = xhr.status;
8737                  responseHeaders = xhr.getAllResponseHeaders();
8738
8739                  // When requesting binary data, IE6-9 will throw an exception
8740                  // on any attempt to access responseText (#11426)
8741                  if ( typeof xhr.responseText === "string" ) {
8742                    responses.text = xhr.responseText;
8743                  }
8744
8745                  // Firefox throws an exception when accessing
8746                  // statusText for faulty cross-domain requests
8747                  try {
8748                    statusText = xhr.statusText;
8749                  } catch( e ) {
8750                    // We normalize with Webkit giving an empty statusText
8751                    statusText = "";
8752                  }
8753
8754                  // Filter status for non standard behaviors
8755
8756                  // If the request is local and we have data: assume a success
8757                  // (success with no data won't get notified, that's the best we
8758                  // can do given current implementations)
8759                  if ( !status && s.isLocal && !s.crossDomain ) {
8760                    status = responses.text ? 200 : 404;
8761                  // IE - #1450: sometimes returns 1223 when it should be 204
8762                  } else if ( status === 1223 ) {
8763                    status = 204;
8764                  }
8765                }
8766              }
8767            } catch( firefoxAccessException ) {
8768              if ( !isAbort ) {
8769                complete( -1, firefoxAccessException );
8770              }
8771            }
8772
8773            // Call complete if needed
8774            if ( responses ) {
8775              complete( status, statusText, responses, responseHeaders );
8776            }
8777          };
8778
8779          if ( !s.async ) {
8780            // if we're in sync mode we fire the callback
8781            callback();
8782          } else if ( xhr.readyState === 4 ) {
8783            // (IE6 & IE7) if it's in cache and has been
8784            // retrieved directly we need to fire the callback
8785            setTimeout( callback );
8786          } else {
8787            handle = ++xhrId;
8788            if ( xhrOnUnloadAbort ) {
8789              // Create the active xhrs callbacks list if needed
8790              // and attach the unload handler
8791              if ( !xhrCallbacks ) {
8792                xhrCallbacks = {};
8793                jQuery( window ).unload( xhrOnUnloadAbort );
8794              }
8795              // Add to list of active xhrs callbacks
8796              xhrCallbacks[ handle ] = callback;
8797            }
8798            xhr.onreadystatechange = callback;
8799          }
8800        },
8801
8802        abort: function() {
8803          if ( callback ) {
8804            callback( undefined, true );
8805          }
8806        }
8807      };
8808    }
8809  });
8810}
8811var fxNow, timerId,
8812  rfxtypes = /^(?:toggle|show|hide)$/,
8813  rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
8814  rrun = /queueHooks$/,
8815  animationPrefilters = [ defaultPrefilter ],
8816  tweeners = {
8817    "*": [function( prop, value ) {
8818      var tween = this.createTween( prop, value ),
8819        target = tween.cur(),
8820        parts = rfxnum.exec( value ),
8821        unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
8822
8823        // Starting value computation is required for potential unit mismatches
8824        start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
8825          rfxnum.exec( jQuery.css( tween.elem, prop ) ),
8826        scale = 1,
8827        maxIterations = 20;
8828
8829      if ( start && start[ 3 ] !== unit ) {
8830        // Trust units reported by jQuery.css
8831        unit = unit || start[ 3 ];
8832
8833        // Make sure we update the tween properties later on
8834        parts = parts || [];
8835
8836        // Iteratively approximate from a nonzero starting point
8837        start = +target || 1;
8838
8839        do {
8840          // If previous iteration zeroed out, double until we get *something*
8841          // Use a string for doubling factor so we don't accidentally see scale as unchanged below
8842          scale = scale || ".5";
8843
8844          // Adjust and apply
8845          start = start / scale;
8846          jQuery.style( tween.elem, prop, start + unit );
8847
8848        // Update scale, tolerating zero or NaN from tween.cur()
8849        // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
8850        } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
8851      }
8852
8853      // Update tween properties
8854      if ( parts ) {
8855        start = tween.start = +start || +target || 0;
8856        tween.unit = unit;
8857        // If a +=/-= token was provided, we're doing a relative animation
8858        tween.end = parts[ 1 ] ?
8859          start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
8860          +parts[ 2 ];
8861      }
8862
8863      return tween;
8864    }]
8865  };
8866
8867// Animations created synchronously will run synchronously
8868function createFxNow() {
8869  setTimeout(function() {
8870    fxNow = undefined;
8871  });
8872  return ( fxNow = jQuery.now() );
8873}
8874
8875function createTween( value, prop, animation ) {
8876  var tween,
8877    collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
8878    index = 0,
8879    length = collection.length;
8880  for ( ; index < length; index++ ) {
8881    if ( (tween = collection[ index ].call( animation, prop, value )) ) {
8882
8883      // we're done with this property
8884      return tween;
8885    }
8886  }
8887}
8888
8889function Animation( elem, properties, options ) {
8890  var result,
8891    stopped,
8892    index = 0,
8893    length = animationPrefilters.length,
8894    deferred = jQuery.Deferred().always( function() {
8895      // don't match elem in the :animated selector
8896      delete tick.elem;
8897    }),
8898    tick = function() {
8899      if ( stopped ) {
8900        return false;
8901      }
8902      var currentTime = fxNow || createFxNow(),
8903        remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
8904        // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
8905        temp = remaining / animation.duration || 0,
8906        percent = 1 - temp,
8907        index = 0,
8908        length = animation.tweens.length;
8909
8910      for ( ; index < length ; index++ ) {
8911        animation.tweens[ index ].run( percent );
8912      }
8913
8914      deferred.notifyWith( elem, [ animation, percent, remaining ]);
8915
8916      if ( percent < 1 && length ) {
8917        return remaining;
8918      } else {
8919        deferred.resolveWith( elem, [ animation ] );
8920        return false;
8921      }
8922    },
8923    animation = deferred.promise({
8924      elem: elem,
8925      props: jQuery.extend( {}, properties ),
8926      opts: jQuery.extend( true, { specialEasing: {} }, options ),
8927      originalProperties: properties,
8928      originalOptions: options,
8929      startTime: fxNow || createFxNow(),
8930      duration: options.duration,
8931      tweens: [],
8932      createTween: function( prop, end ) {
8933        var tween = jQuery.Tween( elem, animation.opts, prop, end,
8934            animation.opts.specialEasing[ prop ] || animation.opts.easing );
8935        animation.tweens.push( tween );
8936        return tween;
8937      },
8938      stop: function( gotoEnd ) {
8939        var index = 0,
8940          // if we are going to the end, we want to run all the tweens
8941          // otherwise we skip this part
8942          length = gotoEnd ? animation.tweens.length : 0;
8943        if ( stopped ) {
8944          return this;
8945        }
8946        stopped = true;
8947        for ( ; index < length ; index++ ) {
8948          animation.tweens[ index ].run( 1 );
8949        }
8950
8951        // resolve when we played the last frame
8952        // otherwise, reject
8953        if ( gotoEnd ) {
8954          deferred.resolveWith( elem, [ animation, gotoEnd ] );
8955        } else {
8956          deferred.rejectWith( elem, [ animation, gotoEnd ] );
8957        }
8958        return this;
8959      }
8960    }),
8961    props = animation.props;
8962
8963  propFilter( props, animation.opts.specialEasing );
8964
8965  for ( ; index < length ; index++ ) {
8966    result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
8967    if ( result ) {
8968      return result;
8969    }
8970  }
8971
8972  jQuery.map( props, createTween, animation );
8973
8974  if ( jQuery.isFunction( animation.opts.start ) ) {
8975    animation.opts.start.call( elem, animation );
8976  }
8977
8978  jQuery.fx.timer(
8979    jQuery.extend( tick, {
8980      elem: elem,
8981      anim: animation,
8982      queue: animation.opts.queue
8983    })
8984  );
8985
8986  // attach callbacks from options
8987  return animation.progress( animation.opts.progress )
8988    .done( animation.opts.done, animation.opts.complete )
8989    .fail( animation.opts.fail )
8990    .always( animation.opts.always );
8991}
8992
8993function propFilter( props, specialEasing ) {
8994  var index, name, easing, value, hooks;
8995
8996  // camelCase, specialEasing and expand cssHook pass
8997  for ( index in props ) {
8998    name = jQuery.camelCase( index );
8999    easing = specialEasing[ name ];
9000    value = props[ index ];
9001    if ( jQuery.isArray( value ) ) {
9002      easing = value[ 1 ];
9003      value = props[ index ] = value[ 0 ];
9004    }
9005
9006    if ( index !== name ) {
9007      props[ name ] = value;
9008      delete props[ index ];
9009    }
9010
9011    hooks = jQuery.cssHooks[ name ];
9012    if ( hooks && "expand" in hooks ) {
9013      value = hooks.expand( value );
9014      delete props[ name ];
9015
9016      // not quite $.extend, this wont overwrite keys already present.
9017      // also - reusing 'index' from above because we have the correct "name"
9018      for ( index in value ) {
9019        if ( !( index in props ) ) {
9020          props[ index ] = value[ index ];
9021          specialEasing[ index ] = easing;
9022        }
9023      }
9024    } else {
9025      specialEasing[ name ] = easing;
9026    }
9027  }
9028}
9029
9030jQuery.Animation = jQuery.extend( Animation, {
9031
9032  tweener: function( props, callback ) {
9033    if ( jQuery.isFunction( props ) ) {
9034      callback = props;
9035      props = [ "*" ];
9036    } else {
9037      props = props.split(" ");
9038    }
9039
9040    var prop,
9041      index = 0,
9042      length = props.length;
9043
9044    for ( ; index < length ; index++ ) {
9045      prop = props[ index ];
9046      tweeners[ prop ] = tweeners[ prop ] || [];
9047      tweeners[ prop ].unshift( callback );
9048    }
9049  },
9050
9051  prefilter: function( callback, prepend ) {
9052    if ( prepend ) {
9053      animationPrefilters.unshift( callback );
9054    } else {
9055      animationPrefilters.push( callback );
9056    }
9057  }
9058});
9059
9060function defaultPrefilter( elem, props, opts ) {
9061  /* jshint validthis: true */
9062  var prop, value, toggle, tween, hooks, oldfire,
9063    anim = this,
9064    orig = {},
9065    style = elem.style,
9066    hidden = elem.nodeType && isHidden( elem ),
9067    dataShow = jQuery._data( elem, "fxshow" );
9068
9069  // handle queue: false promises
9070  if ( !opts.queue ) {
9071    hooks = jQuery._queueHooks( elem, "fx" );
9072    if ( hooks.unqueued == null ) {
9073      hooks.unqueued = 0;
9074      oldfire = hooks.empty.fire;
9075      hooks.empty.fire = function() {
9076        if ( !hooks.unqueued ) {
9077          oldfire();
9078        }
9079      };
9080    }
9081    hooks.unqueued++;
9082
9083    anim.always(function() {
9084      // doing this makes sure that the complete handler will be called
9085      // before this completes
9086      anim.always(function() {
9087        hooks.unqueued--;
9088        if ( !jQuery.queue( elem, "fx" ).length ) {
9089          hooks.empty.fire();
9090        }
9091      });
9092    });
9093  }
9094
9095  // height/width overflow pass
9096  if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
9097    // Make sure that nothing sneaks out
9098    // Record all 3 overflow attributes because IE does not
9099    // change the overflow attribute when overflowX and
9100    // overflowY are set to the same value
9101    opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
9102
9103    // Set display property to inline-block for height/width
9104    // animations on inline elements that are having width/height animated
9105    if ( jQuery.css( elem, "display" ) === "inline" &&
9106        jQuery.css( elem, "float" ) === "none" ) {
9107
9108      // inline-level elements accept inline-block;
9109      // block-level elements need to be inline with layout
9110      if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
9111        style.display = "inline-block";
9112
9113      } else {
9114        style.zoom = 1;
9115      }
9116    }
9117  }
9118
9119  if ( opts.overflow ) {
9120    style.overflow = "hidden";
9121    if ( !jQuery.support.shrinkWrapBlocks ) {
9122      anim.always(function() {
9123        style.overflow = opts.overflow[ 0 ];
9124        style.overflowX = opts.overflow[ 1 ];
9125        style.overflowY = opts.overflow[ 2 ];
9126      });
9127    }
9128  }
9129
9130
9131  // show/hide pass
9132  for ( prop in props ) {
9133    value = props[ prop ];
9134    if ( rfxtypes.exec( value ) ) {
9135      delete props[ prop ];
9136      toggle = toggle || value === "toggle";
9137      if ( value === ( hidden ? "hide" : "show" ) ) {
9138        continue;
9139      }
9140      orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
9141    }
9142  }
9143
9144  if ( !jQuery.isEmptyObject( orig ) ) {
9145    if ( dataShow ) {
9146      if ( "hidden" in dataShow ) {
9147        hidden = dataShow.hidden;
9148      }
9149    } else {
9150      dataShow = jQuery._data( elem, "fxshow", {} );
9151    }
9152
9153    // store state if its toggle - enables .stop().toggle() to "reverse"
9154    if ( toggle ) {
9155      dataShow.hidden = !hidden;
9156    }
9157    if ( hidden ) {
9158      jQuery( elem ).show();
9159    } else {
9160      anim.done(function() {
9161        jQuery( elem ).hide();
9162      });
9163    }
9164    anim.done(function() {
9165      var prop;
9166      jQuery._removeData( elem, "fxshow" );
9167      for ( prop in orig ) {
9168        jQuery.style( elem, prop, orig[ prop ] );
9169      }
9170    });
9171    for ( prop in orig ) {
9172      tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
9173
9174      if ( !( prop in dataShow ) ) {
9175        dataShow[ prop ] = tween.start;
9176        if ( hidden ) {
9177          tween.end = tween.start;
9178          tween.start = prop === "width" || prop === "height" ? 1 : 0;
9179        }
9180      }
9181    }
9182  }
9183}
9184
9185function Tween( elem, options, prop, end, easing ) {
9186  return new Tween.prototype.init( elem, options, prop, end, easing );
9187}
9188jQuery.Tween = Tween;
9189
9190Tween.prototype = {
9191  constructor: Tween,
9192  init: function( elem, options, prop, end, easing, unit ) {
9193    this.elem = elem;
9194    this.prop = prop;
9195    this.easing = easing || "swing";
9196    this.options = options;
9197    this.start = this.now = this.cur();
9198    this.end = end;
9199    this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
9200  },
9201  cur: function() {
9202    var hooks = Tween.propHooks[ this.prop ];
9203
9204    return hooks && hooks.get ?
9205      hooks.get( this ) :
9206      Tween.propHooks._default.get( this );
9207  },
9208  run: function( percent ) {
9209    var eased,
9210      hooks = Tween.propHooks[ this.prop ];
9211
9212    if ( this.options.duration ) {
9213      this.pos = eased = jQuery.easing[ this.easing ](
9214        percent, this.options.duration * percent, 0, 1, this.options.duration
9215      );
9216    } else {
9217      this.pos = eased = percent;
9218    }
9219    this.now = ( this.end - this.start ) * eased + this.start;
9220
9221    if ( this.options.step ) {
9222      this.options.step.call( this.elem, this.now, this );
9223    }
9224
9225    if ( hooks && hooks.set ) {
9226      hooks.set( this );
9227    } else {
9228      Tween.propHooks._default.set( this );
9229    }
9230    return this;
9231  }
9232};
9233
9234Tween.prototype.init.prototype = Tween.prototype;
9235
9236Tween.propHooks = {
9237  _default: {
9238    get: function( tween ) {
9239      var result;
9240
9241      if ( tween.elem[ tween.prop ] != null &&
9242        (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
9243        return tween.elem[ tween.prop ];
9244      }
9245
9246      // passing an empty string as a 3rd parameter to .css will automatically
9247      // attempt a parseFloat and fallback to a string if the parse fails
9248      // so, simple values such as "10px" are parsed to Float.
9249      // complex values such as "rotate(1rad)" are returned as is.
9250      result = jQuery.css( tween.elem, tween.prop, "" );
9251      // Empty strings, null, undefined and "auto" are converted to 0.
9252      return !result || result === "auto" ? 0 : result;
9253    },
9254    set: function( tween ) {
9255      // use step hook for back compat - use cssHook if its there - use .style if its
9256      // available and use plain properties where available
9257      if ( jQuery.fx.step[ tween.prop ] ) {
9258        jQuery.fx.step[ tween.prop ]( tween );
9259      } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
9260        jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
9261      } else {
9262        tween.elem[ tween.prop ] = tween.now;
9263      }
9264    }
9265  }
9266};
9267
9268// Support: IE <=9
9269// Panic based approach to setting things on disconnected nodes
9270
9271Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
9272  set: function( tween ) {
9273    if ( tween.elem.nodeType && tween.elem.parentNode ) {
9274      tween.elem[ tween.prop ] = tween.now;
9275    }
9276  }
9277};
9278
9279jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
9280  var cssFn = jQuery.fn[ name ];
9281  jQuery.fn[ name ] = function( speed, easing, callback ) {
9282    return speed == null || typeof speed === "boolean" ?
9283      cssFn.apply( this, arguments ) :
9284      this.animate( genFx( name, true ), speed, easing, callback );
9285  };
9286});
9287
9288jQuery.fn.extend({
9289  fadeTo: function( speed, to, easing, callback ) {
9290
9291    // show any hidden elements after setting opacity to 0
9292    return this.filter( isHidden ).css( "opacity", 0 ).show()
9293
9294      // animate to the value specified
9295      .end().animate({ opacity: to }, speed, easing, callback );
9296  },
9297  animate: function( prop, speed, easing, callback ) {
9298    var empty = jQuery.isEmptyObject( prop ),
9299      optall = jQuery.speed( speed, easing, callback ),
9300      doAnimation = function() {
9301        // Operate on a copy of prop so per-property easing won't be lost
9302        var anim = Animation( this, jQuery.extend( {}, prop ), optall );
9303
9304        // Empty animations, or finishing resolves immediately
9305        if ( empty || jQuery._data( this, "finish" ) ) {
9306          anim.stop( true );
9307        }
9308      };
9309      doAnimation.finish = doAnimation;
9310
9311    return empty || optall.queue === false ?
9312      this.each( doAnimation ) :
9313      this.queue( optall.queue, doAnimation );
9314  },
9315  stop: function( type, clearQueue, gotoEnd ) {
9316    var stopQueue = function( hooks ) {
9317      var stop = hooks.stop;
9318      delete hooks.stop;
9319      stop( gotoEnd );
9320    };
9321
9322    if ( typeof type !== "string" ) {
9323      gotoEnd = clearQueue;
9324      clearQueue = type;
9325      type = undefined;
9326    }
9327    if ( clearQueue && type !== false ) {
9328      this.queue( type || "fx", [] );
9329    }
9330
9331    return this.each(function() {
9332      var dequeue = true,
9333        index = type != null && type + "queueHooks",
9334        timers = jQuery.timers,
9335        data = jQuery._data( this );
9336
9337      if ( index ) {
9338        if ( data[ index ] && data[ index ].stop ) {
9339          stopQueue( data[ index ] );
9340        }
9341      } else {
9342        for ( index in data ) {
9343          if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
9344            stopQueue( data[ index ] );
9345          }
9346        }
9347      }
9348
9349      for ( index = timers.length; index--; ) {
9350        if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
9351          timers[ index ].anim.stop( gotoEnd );
9352          dequeue = false;
9353          timers.splice( index, 1 );
9354        }
9355      }
9356
9357      // start the next in the queue if the last step wasn't forced
9358      // timers currently will call their complete callbacks, which will dequeue
9359      // but only if they were gotoEnd
9360      if ( dequeue || !gotoEnd ) {
9361        jQuery.dequeue( this, type );
9362      }
9363    });
9364  },
9365  finish: function( type ) {
9366    if ( type !== false ) {
9367      type = type || "fx";
9368    }
9369    return this.each(function() {
9370      var index,
9371        data = jQuery._data( this ),
9372        queue = data[ type + "queue" ],
9373        hooks = data[ type + "queueHooks" ],
9374        timers = jQuery.timers,
9375        length = queue ? queue.length : 0;
9376
9377      // enable finishing flag on private data
9378      data.finish = true;
9379
9380      // empty the queue first
9381      jQuery.queue( this, type, [] );
9382
9383      if ( hooks && hooks.stop ) {
9384        hooks.stop.call( this, true );
9385      }
9386
9387      // look for any active animations, and finish them
9388      for ( index = timers.length; index--; ) {
9389        if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
9390          timers[ index ].anim.stop( true );
9391          timers.splice( index, 1 );
9392        }
9393      }
9394
9395      // look for any animations in the old queue and finish them
9396      for ( index = 0; index < length; index++ ) {
9397        if ( queue[ index ] && queue[ index ].finish ) {
9398          queue[ index ].finish.call( this );
9399        }
9400      }
9401
9402      // turn off finishing flag
9403      delete data.finish;
9404    });
9405  }
9406});
9407
9408// Generate parameters to create a standard animation
9409function genFx( type, includeWidth ) {
9410  var which,
9411    attrs = { height: type },
9412    i = 0;
9413
9414  // if we include width, step value is 1 to do all cssExpand values,
9415  // if we don't include width, step value is 2 to skip over Left and Right
9416  includeWidth = includeWidth? 1 : 0;
9417  for( ; i < 4 ; i += 2 - includeWidth ) {
9418    which = cssExpand[ i ];
9419    attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
9420  }
9421
9422  if ( includeWidth ) {
9423    attrs.opacity = attrs.width = type;
9424  }
9425
9426  return attrs;
9427}
9428
9429// Generate shortcuts for custom animations
9430jQuery.each({
9431  slideDown: genFx("show"),
9432  slideUp: genFx("hide"),
9433  slideToggle: genFx("toggle"),
9434  fadeIn: { opacity: "show" },
9435  fadeOut: { opacity: "hide" },
9436  fadeToggle: { opacity: "toggle" }
9437}, function( name, props ) {
9438  jQuery.fn[ name ] = function( speed, easing, callback ) {
9439    return this.animate( props, speed, easing, callback );
9440  };
9441});
9442
9443jQuery.speed = function( speed, easing, fn ) {
9444  var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
9445    complete: fn || !fn && easing ||
9446      jQuery.isFunction( speed ) && speed,
9447    duration: speed,
9448    easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
9449  };
9450
9451  opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
9452    opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
9453
9454  // normalize opt.queue - true/undefined/null -> "fx"
9455  if ( opt.queue == null || opt.queue === true ) {
9456    opt.queue = "fx";
9457  }
9458
9459  // Queueing
9460  opt.old = opt.complete;
9461
9462  opt.complete = function() {
9463    if ( jQuery.isFunction( opt.old ) ) {
9464      opt.old.call( this );
9465    }
9466
9467    if ( opt.queue ) {
9468      jQuery.dequeue( this, opt.queue );
9469    }
9470  };
9471
9472  return opt;
9473};
9474
9475jQuery.easing = {
9476  linear: function( p ) {
9477    return p;
9478  },
9479  swing: function( p ) {
9480    return 0.5 - Math.cos( p*Math.PI ) / 2;
9481  }
9482};
9483
9484jQuery.timers = [];
9485jQuery.fx = Tween.prototype.init;
9486jQuery.fx.tick = function() {
9487  var timer,
9488    timers = jQuery.timers,
9489    i = 0;
9490
9491  fxNow = jQuery.now();
9492
9493  for ( ; i < timers.length; i++ ) {
9494    timer = timers[ i ];
9495    // Checks the timer has not already been removed
9496    if ( !timer() && timers[ i ] === timer ) {
9497      timers.splice( i--, 1 );
9498    }
9499  }
9500
9501  if ( !timers.length ) {
9502    jQuery.fx.stop();
9503  }
9504  fxNow = undefined;
9505};
9506
9507jQuery.fx.timer = function( timer ) {
9508  if ( timer() && jQuery.timers.push( timer ) ) {
9509    jQuery.fx.start();
9510  }
9511};
9512
9513jQuery.fx.interval = 13;
9514
9515jQuery.fx.start = function() {
9516  if ( !timerId ) {
9517    timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
9518  }
9519};
9520
9521jQuery.fx.stop = function() {
9522  clearInterval( timerId );
9523  timerId = null;
9524};
9525
9526jQuery.fx.speeds = {
9527  slow: 600,
9528  fast: 200,
9529  // Default speed
9530  _default: 400
9531};
9532
9533// Back Compat <1.8 extension point
9534jQuery.fx.step = {};
9535
9536if ( jQuery.expr && jQuery.expr.filters ) {
9537  jQuery.expr.filters.animated = function( elem ) {
9538    return jQuery.grep(jQuery.timers, function( fn ) {
9539      return elem === fn.elem;
9540    }).length;
9541  };
9542}
9543jQuery.fn.offset = function( options ) {
9544  if ( arguments.length ) {
9545    return options === undefined ?
9546      this :
9547      this.each(function( i ) {
9548        jQuery.offset.setOffset( this, options, i );
9549      });
9550  }
9551
9552  var docElem, win,
9553    box = { top: 0, left: 0 },
9554    elem = this[ 0 ],
9555    doc = elem && elem.ownerDocument;
9556
9557  if ( !doc ) {
9558    return;
9559  }
9560
9561  docElem = doc.documentElement;
9562
9563  // Make sure it's not a disconnected DOM node
9564  if ( !jQuery.contains( docElem, elem ) ) {
9565    return box;
9566  }
9567
9568  // If we don't have gBCR, just use 0,0 rather than error
9569  // BlackBerry 5, iOS 3 (original iPhone)
9570  if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
9571    box = elem.getBoundingClientRect();
9572  }
9573  win = getWindow( doc );
9574  return {
9575    top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
9576    left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
9577  };
9578};
9579
9580jQuery.offset = {
9581
9582  setOffset: function( elem, options, i ) {
9583    var position = jQuery.css( elem, "position" );
9584
9585    // set position first, in-case top/left are set even on static elem
9586    if ( position === "static" ) {
9587      elem.style.position = "relative";
9588    }
9589
9590    var curElem = jQuery( elem ),
9591      curOffset = curElem.offset(),
9592      curCSSTop = jQuery.css( elem, "top" ),
9593      curCSSLeft = jQuery.css( elem, "left" ),
9594      calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
9595      props = {}, curPosition = {}, curTop, curLeft;
9596
9597    // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
9598    if ( calculatePosition ) {
9599      curPosition = curElem.position();
9600      curTop = curPosition.top;
9601      curLeft = curPosition.left;
9602    } else {
9603      curTop = parseFloat( curCSSTop ) || 0;
9604      curLeft = parseFloat( curCSSLeft ) || 0;
9605    }
9606
9607    if ( jQuery.isFunction( options ) ) {
9608      options = options.call( elem, i, curOffset );
9609    }
9610
9611    if ( options.top != null ) {
9612      props.top = ( options.top - curOffset.top ) + curTop;
9613    }
9614    if ( options.left != null ) {
9615      props.left = ( options.left - curOffset.left ) + curLeft;
9616    }
9617
9618    if ( "using" in options ) {
9619      options.using.call( elem, props );
9620    } else {
9621      curElem.css( props );
9622    }
9623  }
9624};
9625
9626
9627jQuery.fn.extend({
9628
9629  position: function() {
9630    if ( !this[ 0 ] ) {
9631      return;
9632    }
9633
9634    var offsetParent, offset,
9635      parentOffset = { top: 0, left: 0 },
9636      elem = this[ 0 ];
9637
9638    // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
9639    if ( jQuery.css( elem, "position" ) === "fixed" ) {
9640      // we assume that getBoundingClientRect is available when computed position is fixed
9641      offset = elem.getBoundingClientRect();
9642    } else {
9643      // Get *real* offsetParent
9644      offsetParent = this.offsetParent();
9645
9646      // Get correct offsets
9647      offset = this.offset();
9648      if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
9649        parentOffset = offsetParent.offset();
9650      }
9651
9652      // Add offsetParent borders
9653      parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
9654      parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
9655    }
9656
9657    // Subtract parent offsets and element margins
9658    // note: when an element has margin: auto the offsetLeft and marginLeft
9659    // are the same in Safari causing offset.left to incorrectly be 0
9660    return {
9661      top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
9662      left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
9663    };
9664  },
9665
9666  offsetParent: function() {
9667    return this.map(function() {
9668      var offsetParent = this.offsetParent || docElem;
9669      while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
9670        offsetParent = offsetParent.offsetParent;
9671      }
9672      return offsetParent || docElem;
9673    });
9674  }
9675});
9676
9677
9678// Create scrollLeft and scrollTop methods
9679jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
9680  var top = /Y/.test( prop );
9681
9682  jQuery.fn[ method ] = function( val ) {
9683    return jQuery.access( this, function( elem, method, val ) {
9684      var win = getWindow( elem );
9685
9686      if ( val === undefined ) {
9687        return win ? (prop in win) ? win[ prop ] :
9688          win.document.documentElement[ method ] :
9689          elem[ method ];
9690      }
9691
9692      if ( win ) {
9693        win.scrollTo(
9694          !top ? val : jQuery( win ).scrollLeft(),
9695          top ? val : jQuery( win ).scrollTop()
9696        );
9697
9698      } else {
9699        elem[ method ] = val;
9700      }
9701    }, method, val, arguments.length, null );
9702  };
9703});
9704
9705function getWindow( elem ) {
9706  return jQuery.isWindow( elem ) ?
9707    elem :
9708    elem.nodeType === 9 ?
9709      elem.defaultView || elem.parentWindow :
9710      false;
9711}
9712// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
9713jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
9714  jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
9715    // margin is only for outerHeight, outerWidth
9716    jQuery.fn[ funcName ] = function( margin, value ) {
9717      var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
9718        extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
9719
9720      return jQuery.access( this, function( elem, type, value ) {
9721        var doc;
9722
9723        if ( jQuery.isWindow( elem ) ) {
9724          // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
9725          // isn't a whole lot we can do. See pull request at this URL for discussion:
9726          // https://github.com/jquery/jquery/pull/764
9727          return elem.document.documentElement[ "client" + name ];
9728        }
9729
9730        // Get document width or height
9731        if ( elem.nodeType === 9 ) {
9732          doc = elem.documentElement;
9733
9734          // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
9735          // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
9736          return Math.max(
9737            elem.body[ "scroll" + name ], doc[ "scroll" + name ],
9738            elem.body[ "offset" + name ], doc[ "offset" + name ],
9739            doc[ "client" + name ]
9740          );
9741        }
9742
9743        return value === undefined ?
9744          // Get width or height on the element, requesting but not forcing parseFloat
9745          jQuery.css( elem, type, extra ) :
9746
9747          // Set width or height on the element
9748          jQuery.style( elem, type, value, extra );
9749      }, type, chainable ? margin : undefined, chainable, null );
9750    };
9751  });
9752});
9753// Limit scope pollution from any deprecated API
9754// (function() {
9755
9756// The number of elements contained in the matched element set
9757jQuery.fn.size = function() {
9758  return this.length;
9759};
9760
9761jQuery.fn.andSelf = jQuery.fn.addBack;
9762
9763// })();
9764if ( typeof module === "object" && module && typeof module.exports === "object" ) {
9765  // Expose jQuery as module.exports in loaders that implement the Node
9766  // module pattern (including browserify). Do not create the global, since
9767  // the user will be storing it themselves locally, and globals are frowned
9768  // upon in the Node module world.
9769  module.exports = jQuery;
9770} else {
9771  // Otherwise expose jQuery to the global object as usual
9772  window.jQuery = window.$ = jQuery;
9773
9774  // Register as a named AMD module, since jQuery can be concatenated with other
9775  // files that may use define, but not via a proper concatenation script that
9776  // understands anonymous AMD modules. A named AMD is safest and most robust
9777  // way to register. Lowercase jquery is used because AMD module names are
9778  // derived from file names, and jQuery is normally delivered in a lowercase
9779  // file name. Do this after creating the global so that if an AMD module wants
9780  // to call noConflict to hide this version of jQuery, it will work.
9781  if ( typeof define === "function" && define.amd ) {
9782    define( "jquery", [], function () { return jQuery; } );
9783  }
9784}
9785
9786})( window );