/*!
 * jQuery JavaScript Library v1.8.3
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2012 jQuery Foundation and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: Tue Nov 13 2012 08:20:33 GMT-0500 (Eastern Standard Time)
 */
(function( window, undefined ) {
  var
  // A central reference to the root jQuery(document)
    rootjQuery,

  // The deferred used on DOM ready
    readyList,

  // Use the correct document accordingly with window argument (sandbox)
    document = window.document,
    location = window.location,
    navigator = window.navigator,

  // Map over jQuery in case of overwrite
    _jQuery = window.jQuery,

  // Map over the $ in case of overwrite
    _$ = window.$,

  // Save a reference to some core methods
    core_push = Array.prototype.push,
    core_slice = Array.prototype.slice,
    core_indexOf = Array.prototype.indexOf,
    core_toString = Object.prototype.toString,
    core_hasOwn = Object.prototype.hasOwnProperty,
    core_trim = String.prototype.trim,

  // Define a local copy of jQuery
    jQuery = function( selector, context ) {
      // The jQuery object is actually just the init constructor 'enhanced'
      return new jQuery.fn.init( selector, context, rootjQuery );
    },

  // Used for matching numbers
    core_pnum = /[\-+]?(?:\d*\.|)\d+(?:[eE][\-+]?\d+|)/.source,

  // Used for detecting and trimming whitespace
    core_rnotwhite = /\S/,
    core_rspace = /\s+/,

  // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,

  // A simple way to check for HTML strings
  // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
    rquickExpr = /^(?:[^#<]*(<[\w\W]+>)[^>]*$|#([\w\-]*)$)/,

  // Match a standalone tag
    rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,

  // JSON RegExp
    rvalidchars = /^[\],:{}\s]*$/,
    rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
    rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
    rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d\d*\.|)\d+(?:[eE][\-+]?\d+|)/g,

  // Matches dashed string for camelizing
    rmsPrefix = /^-ms-/,
    rdashAlpha = /-([\da-z])/gi,

  // Used by jQuery.camelCase as callback to replace()
    fcamelCase = function( all, letter ) {
      return ( letter + "" ).toUpperCase();
    },

  // The ready event handler and self cleanup method
    DOMContentLoaded = function() {
      if ( document.addEventListener ) {
        document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
        jQuery.ready();
      } else if ( document.readyState === "complete" ) {
        // we're here because readyState === "complete" in oldIE
        // which is good enough for us to call the dom ready!
        document.detachEvent( "onreadystatechange", DOMContentLoaded );
        jQuery.ready();
      }
    },

  // [[Class]] -> type pairs
    class2type = {};

  jQuery.fn = jQuery.prototype = {
    constructor: jQuery,
    init: function( selector, context, rootjQuery ) {
      var match, elem, ret, doc;

      // Handle $(""), $(null), $(undefined), $(false)
      if ( !selector ) {
        return this;
      }

      // Handle $(DOMElement)
      if ( selector.nodeType ) {
        this.context = this[0] = selector;
        this.length = 1;
        return this;
      }

      // Handle HTML strings
      if ( typeof selector === "string" ) {
        if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
          // Assume that strings that start and end with <> are HTML and skip the regex check
          match = [ null, selector, null ];

        } else {
          match = rquickExpr.exec( selector );
        }

        // Match html or make sure no context is specified for #id
        if ( match && (match[1] || !context) ) {

          // HANDLE: $(html) -> $(array)
          if ( match[1] ) {
            context = context instanceof jQuery ? context[0] : context;
            doc = ( context && context.nodeType ? context.ownerDocument || context : document );

            // scripts is true for back-compat
            selector = jQuery.parseHTML( match[1], doc, true );
            if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
              this.attr.call( selector, context, true );
            }

            return jQuery.merge( this, selector );

            // HANDLE: $(#id)
          } else {
            elem = document.getElementById( match[2] );

            // Check parentNode to catch when Blackberry 4.6 returns
            // nodes that are no longer in the document #6963
            if ( elem && elem.parentNode ) {
              // Handle the case where IE and Opera return items
              // by name instead of ID
              if ( elem.id !== match[2] ) {
                return rootjQuery.find( selector );
              }

              // Otherwise, we inject the element directly into the jQuery object
              this.length = 1;
              this[0] = elem;
            }

            this.context = document;
            this.selector = selector;
            return this;
          }

          // HANDLE: $(expr, $(...))
        } else if ( !context || context.jquery ) {
          return ( context || rootjQuery ).find( selector );

          // HANDLE: $(expr, context)
          // (which is just equivalent to: $(context).find(expr)
        } else {
          return this.constructor( context ).find( selector );
        }

        // HANDLE: $(function)
        // Shortcut for document ready
      } else if ( jQuery.isFunction( selector ) ) {
        return rootjQuery.ready( selector );
      }

      if ( selector.selector !== undefined ) {
        this.selector = selector.selector;
        this.context = selector.context;
      }

      return jQuery.makeArray( selector, this );
    },

    // Start with an empty selector
    selector: "",

    // The current version of jQuery being used
    jquery: "1.8.3",

    // The default length of a jQuery object is 0
    length: 0,

    // The number of elements contained in the matched element set
    size: function() {
      return this.length;
    },

    toArray: function() {
      return core_slice.call( this );
    },

    // Get the Nth element in the matched element set OR
    // Get the whole matched element set as a clean array
    get: function( num ) {
      return num == null ?

        // Return a 'clean' array
        this.toArray() :

        // Return just the object
        ( num < 0 ? this[ this.length + num ] : this[ num ] );
    },

    // Take an array of elements and push it onto the stack
    // (returning the new matched element set)
    pushStack: function( elems, name, selector ) {

      // Build a new jQuery matched element set
      var ret = jQuery.merge( this.constructor(), elems );

      // Add the old object onto the stack (as a reference)
      ret.prevObject = this;

      ret.context = this.context;

      if ( name === "find" ) {
        ret.selector = this.selector + ( this.selector ? " " : "" ) + selector;
      } else if ( name ) {
        ret.selector = this.selector + "." + name + "(" + selector + ")";
      }

      // Return the newly-formed element set
      return ret;
    },

    // Execute a callback for every element in the matched set.
    // (You can seed the arguments with an array of args, but this is
    // only used internally.)
    each: function( callback, args ) {
      return jQuery.each( this, callback, args );
    },

    ready: function( fn ) {
      // Add the callback
      jQuery.ready.promise().done( fn );

      return this;
    },

    eq: function( i ) {
      i = +i;
      return i === -1 ?
        this.slice( i ) :
        this.slice( i, i + 1 );
    },

    first: function() {
      return this.eq( 0 );
    },

    last: function() {
      return this.eq( -1 );
    },

    slice: function() {
      return this.pushStack( core_slice.apply( this, arguments ),
        "slice", core_slice.call(arguments).join(",") );
    },

    map: function( callback ) {
      return this.pushStack( jQuery.map(this, function( elem, i ) {
        return callback.call( elem, i, elem );
      }));
    },

    end: function() {
      return this.prevObject || this.constructor(null);
    },

    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: core_push,
    sort: [].sort,
    splice: [].splice
  };

// Give the init function the jQuery prototype for later instantiation
  jQuery.fn.init.prototype = jQuery.fn;

  jQuery.extend = jQuery.fn.extend = function() {
    var options, name, src, copy, copyIsArray, clone,
      target = arguments[0] || {},
      i = 1,
      length = arguments.length,
      deep = false;

    // Handle a deep copy situation
    if ( typeof target === "boolean" ) {
      deep = target;
      target = arguments[1] || {};
      // skip the boolean and the target
      i = 2;
    }

    // Handle case when target is a string or something (possible in deep copy)
    if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
      target = {};
    }

    // extend jQuery itself if only one argument is passed
    if ( length === i ) {
      target = this;
      --i;
    }

    for ( ; i < length; i++ ) {
      // Only deal with non-null/undefined values
      if ( (options = arguments[ i ]) != null ) {
        // Extend the base object
        for ( name in options ) {
          src = target[ name ];
          copy = options[ name ];

          // Prevent never-ending loop
          if ( target === copy ) {
            continue;
          }

          // Recurse if we're merging plain objects or arrays
          if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
            if ( copyIsArray ) {
              copyIsArray = false;
              clone = src && jQuery.isArray(src) ? src : [];

            } else {
              clone = src && jQuery.isPlainObject(src) ? src : {};
            }

            // Never move original objects, clone them
            target[ name ] = jQuery.extend( deep, clone, copy );

            // Don't bring in undefined values
          } else if ( copy !== undefined ) {
            target[ name ] = copy;
          }
        }
      }
    }

    // Return the modified object
    return target;
  };

  jQuery.extend({
    noConflict: function( deep ) {
      if ( window.$ === jQuery ) {
        window.$ = _$;
      }

      if ( deep && window.jQuery === jQuery ) {
        window.jQuery = _jQuery;
      }

      return jQuery;
    },

    // Is the DOM ready to be used? Set to true once it occurs.
    isReady: false,

    // A counter to track how many items to wait for before
    // the ready event fires. See #6781
    readyWait: 1,

    // Hold (or release) the ready event
    holdReady: function( hold ) {
      if ( hold ) {
        jQuery.readyWait++;
      } else {
        jQuery.ready( true );
      }
    },

    // Handle when the DOM is ready
    ready: function( wait ) {

      // Abort if there are pending holds or we're already ready
      if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
        return;
      }

      // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
      if ( !document.body ) {
        return setTimeout( jQuery.ready, 1 );
      }

      // Remember that the DOM is ready
      jQuery.isReady = true;

      // If a normal DOM Ready event fired, decrement, and wait if need be
      if ( wait !== true && --jQuery.readyWait > 0 ) {
        return;
      }

      // If there are functions bound, to execute
      readyList.resolveWith( document, [ jQuery ] );

      // Trigger any bound ready events
      if ( jQuery.fn.trigger ) {
        jQuery( document ).trigger("ready").off("ready");
      }
    },

    // See test/unit/core.js for details concerning isFunction.
    // Since version 1.3, DOM methods and functions like alert
    // aren't supported. They return false on IE (#2968).
    isFunction: function( obj ) {
      return jQuery.type(obj) === "function";
    },

    isArray: Array.isArray || function( obj ) {
      return jQuery.type(obj) === "array";
    },

    isWindow: function( obj ) {
      return obj != null && obj == obj.window;
    },

    isNumeric: function( obj ) {
      return !isNaN( parseFloat(obj) ) && isFinite( obj );
    },

    type: function( obj ) {
      return obj == null ?
        String( obj ) :
        class2type[ core_toString.call(obj) ] || "object";
    },

    isPlainObject: function( obj ) {
      // Must be an Object.
      // Because of IE, we also have to check the presence of the constructor property.
      // Make sure that DOM nodes and window objects don't pass through, as well
      if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
        return false;
      }

      try {
        // Not own constructor property must be Object
        if ( obj.constructor &&
          !core_hasOwn.call(obj, "constructor") &&
          !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
          return false;
        }
      } catch ( e ) {
        // IE8,9 Will throw exceptions on certain host objects #9897
        return false;
      }

      // Own properties are enumerated firstly, so to speed up,
      // if last one is own, then all properties are own.

      var key;
      for ( key in obj ) {}

      return key === undefined || core_hasOwn.call( obj, key );
    },

    isEmptyObject: function( obj ) {
      var name;
      for ( name in obj ) {
        return false;
      }
      return true;
    },

    error: function( msg ) {
      throw new Error( msg );
    },

    // data: string of html
    // context (optional): If specified, the fragment will be created in this context, defaults to document
    // scripts (optional): If true, will include scripts passed in the html string
    parseHTML: function( data, context, scripts ) {
      var parsed;
      if ( !data || typeof data !== "string" ) {
        return null;
      }
      if ( typeof context === "boolean" ) {
        scripts = context;
        context = 0;
      }
      context = context || document;

      // Single tag
      if ( (parsed = rsingleTag.exec( data )) ) {
        return [ context.createElement( parsed[1] ) ];
      }

      parsed = jQuery.buildFragment( [ data ], context, scripts ? null : [] );
      return jQuery.merge( [],
        (parsed.cacheable ? jQuery.clone( parsed.fragment ) : parsed.fragment).childNodes );
    },

    parseJSON: function( data ) {
      if ( !data || typeof data !== "string") {
        return null;
      }

      // Make sure leading/trailing whitespace is removed (IE can't handle it)
      data = jQuery.trim( data );

      // Attempt to parse using the native JSON parser first
      if ( window.JSON && window.JSON.parse ) {
        return window.JSON.parse( data );
      }

      // Make sure the incoming data is actual JSON
      // Logic borrowed from http://json.org/json2.js
      if ( rvalidchars.test( data.replace( rvalidescape, "@" )
        .replace( rvalidtokens, "]" )
        .replace( rvalidbraces, "")) ) {

        return ( new Function( "return " + data ) )();

      }
      jQuery.error( "Invalid JSON: " + data );
    },

    // Cross-browser xml parsing
    parseXML: function( data ) {
      var xml, tmp;
      if ( !data || typeof data !== "string" ) {
        return null;
      }
      try {
        if ( window.DOMParser ) { // Standard
          tmp = new DOMParser();
          xml = tmp.parseFromString( data , "text/xml" );
        } else { // IE
          xml = new ActiveXObject( "Microsoft.XMLDOM" );
          xml.async = "false";
          xml.loadXML( data );
        }
      } catch( e ) {
        xml = undefined;
      }
      if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
        jQuery.error( "Invalid XML: " + data );
      }
      return xml;
    },

    noop: function() {},

    // Evaluates a script in a global context
    // Workarounds based on findings by Jim Driscoll
    // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
    globalEval: function( data ) {
      if ( data && core_rnotwhite.test( data ) ) {
        // We use execScript on Internet Explorer
        // We use an anonymous function so that context is window
        // rather than jQuery in Firefox
        ( window.execScript || function( data ) {
          window[ "eval" ].call( window, data );
        } )( data );
      }
    },

    // Convert dashed to camelCase; used by the css and data modules
    // Microsoft forgot to hump their vendor prefix (#9572)
    camelCase: function( string ) {
      return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
    },

    nodeName: function( elem, name ) {
      return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
    },

    // args is for internal usage only
    each: function( obj, callback, args ) {
      var name,
        i = 0,
        length = obj.length,
        isObj = length === undefined || jQuery.isFunction( obj );

      if ( args ) {
        if ( isObj ) {
          for ( name in obj ) {
            if ( callback.apply( obj[ name ], args ) === false ) {
              break;
            }
          }
        } else {
          for ( ; i < length; ) {
            if ( callback.apply( obj[ i++ ], args ) === false ) {
              break;
            }
          }
        }

        // A special, fast, case for the most common use of each
      } else {
        if ( isObj ) {
          for ( name in obj ) {
            if ( callback.call( obj[ name ], name, obj[ name ] ) === false ) {
              break;
            }
          }
        } else {
          for ( ; i < length; ) {
            if ( callback.call( obj[ i ], i, obj[ i++ ] ) === false ) {
              break;
            }
          }
        }
      }

      return obj;
    },

    // Use native String.trim function wherever possible
    trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
      function( text ) {
        return text == null ?
          "" :
          core_trim.call( text );
      } :

      // Otherwise use our own trimming functionality
      function( text ) {
        return text == null ?
          "" :
          ( text + "" ).replace( rtrim, "" );
      },

    // results is for internal usage only
    makeArray: function( arr, results ) {
      var type,
        ret = results || [];

      if ( arr != null ) {
        // The window, strings (and functions) also have 'length'
        // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
        type = jQuery.type( arr );

        if ( arr.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( arr ) ) {
          core_push.call( ret, arr );
        } else {
          jQuery.merge( ret, arr );
        }
      }

      return ret;
    },

    inArray: function( elem, arr, i ) {
      var len;

      if ( arr ) {
        if ( core_indexOf ) {
          return core_indexOf.call( arr, elem, i );
        }

        len = arr.length;
        i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;

        for ( ; i < len; i++ ) {
          // Skip accessing in sparse arrays
          if ( i in arr && arr[ i ] === elem ) {
            return i;
          }
        }
      }

      return -1;
    },

    merge: function( first, second ) {
      var l = second.length,
        i = first.length,
        j = 0;

      if ( typeof l === "number" ) {
        for ( ; j < l; j++ ) {
          first[ i++ ] = second[ j ];
        }

      } else {
        while ( second[j] !== undefined ) {
          first[ i++ ] = second[ j++ ];
        }
      }

      first.length = i;

      return first;
    },

    grep: function( elems, callback, inv ) {
      var retVal,
        ret = [],
        i = 0,
        length = elems.length;
      inv = !!inv;

      // Go through the array, only saving the items
      // that pass the validator function
      for ( ; i < length; i++ ) {
        retVal = !!callback( elems[ i ], i );
        if ( inv !== retVal ) {
          ret.push( elems[ i ] );
        }
      }

      return ret;
    },

    // arg is for internal usage only
    map: function( elems, callback, arg ) {
      var value, key,
        ret = [],
        i = 0,
        length = elems.length,
      // jquery objects are treated as arrays
        isArray = elems instanceof jQuery || length !== undefined && typeof length === "number" && ( ( length > 0 && elems[ 0 ] && elems[ length -1 ] ) || length === 0 || jQuery.isArray( elems ) ) ;

      // Go through the array, translating each of the items to their
      if ( isArray ) {
        for ( ; i < length; i++ ) {
          value = callback( elems[ i ], i, arg );

          if ( value != null ) {
            ret[ ret.length ] = value;
          }
        }

        // Go through every key on the object,
      } else {
        for ( key in elems ) {
          value = callback( elems[ key ], key, arg );

          if ( value != null ) {
            ret[ ret.length ] = value;
          }
        }
      }

      // Flatten any nested arrays
      return ret.concat.apply( [], ret );
    },

    // A global GUID counter for objects
    guid: 1,

    // Bind a function to a context, optionally partially applying any
    // arguments.
    proxy: function( fn, context ) {
      var tmp, args, proxy;

      if ( typeof context === "string" ) {
        tmp = fn[ context ];
        context = fn;
        fn = tmp;
      }

      // Quick check to determine if target is callable, in the spec
      // this throws a TypeError, but we will just return undefined.
      if ( !jQuery.isFunction( fn ) ) {
        return undefined;
      }

      // Simulated bind
      args = core_slice.call( arguments, 2 );
      proxy = function() {
        return fn.apply( context, args.concat( core_slice.call( arguments ) ) );
      };

      // Set the guid of unique handler to the same of original handler, so it can be removed
      proxy.guid = fn.guid = fn.guid || jQuery.guid++;

      return proxy;
    },

    // Multifunctional method to get and set values of a collection
    // The value/s can optionally be executed if it's a function
    access: function( elems, fn, key, value, chainable, emptyGet, pass ) {
      var exec,
        bulk = key == null,
        i = 0,
        length = elems.length;

      // Sets many values
      if ( key && typeof key === "object" ) {
        for ( i in key ) {
          jQuery.access( elems, fn, i, key[i], 1, emptyGet, value );
        }
        chainable = 1;

        // Sets one value
      } else if ( value !== undefined ) {
        // Optionally, function values get executed if exec is true
        exec = pass === undefined && jQuery.isFunction( value );

        if ( bulk ) {
          // Bulk operations only iterate when executing function values
          if ( exec ) {
            exec = fn;
            fn = function( elem, key, value ) {
              return exec.call( jQuery( elem ), value );
            };

            // Otherwise they run against the entire set
          } else {
            fn.call( elems, value );
            fn = null;
          }
        }

        if ( fn ) {
          for (; i < length; i++ ) {
            fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
          }
        }

        chainable = 1;
      }

      return chainable ?
        elems :

        // Gets
        bulk ?
          fn.call( elems ) :
          length ? fn( elems[0], key ) : emptyGet;
    },

    now: function() {
      return ( new Date() ).getTime();
    }
  });

  jQuery.ready.promise = function( obj ) {
    if ( !readyList ) {

      readyList = jQuery.Deferred();

      // Catch cases where $(document).ready() is called after the browser event has already occurred.
      // we once tried to use readyState "interactive" here, but it caused issues like the one
      // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
      if ( document.readyState === "complete" ) {
        // Handle it asynchronously to allow scripts the opportunity to delay ready
        setTimeout( jQuery.ready, 1 );

        // Standards-based browsers support DOMContentLoaded
      } else if ( document.addEventListener ) {
        // Use the handy event callback
        document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );

        // A fallback to window.onload, that will always work
        window.addEventListener( "load", jQuery.ready, false );

        // If IE event model is used
      } else {
        // Ensure firing before onload, maybe late but safe also for iframes
        document.attachEvent( "onreadystatechange", DOMContentLoaded );

        // A fallback to window.onload, that will always work
        window.attachEvent( "onload", jQuery.ready );

        // If IE and not a frame
        // continually check to see if the document is ready
        var top = false;

        try {
          top = window.frameElement == null && document.documentElement;
        } catch(e) {}

        if ( top && top.doScroll ) {
          (function doScrollCheck() {
            if ( !jQuery.isReady ) {

              try {
                // Use the trick by Diego Perini
                // http://javascript.nwbox.com/IEContentLoaded/
                top.doScroll("left");
              } catch(e) {
                return setTimeout( doScrollCheck, 50 );
              }

              // and execute any waiting functions
              jQuery.ready();
            }
          })();
        }
      }
    }
    return readyList.promise( obj );
  };

// Populate the class2type map
  jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
    class2type[ "[object " + name + "]" ] = name.toLowerCase();
  });

// All jQuery objects should point back to these
  rootjQuery = jQuery(document);
// String to Object options format cache
  var optionsCache = {};

// Convert String-formatted options into Object-formatted ones and store in cache
  function createOptions( options ) {
    var object = optionsCache[ options ] = {};
    jQuery.each( options.split( core_rspace ), function( _, flag ) {
      object[ flag ] = true;
    });
    return object;
  }

  /*
   * Create a callback list using the following parameters:
   *
   *	options: an optional list of space-separated options that will change how
   *			the callback list behaves or a more traditional option object
   *
   * By default a callback list will act like an event callback list and can be
   * "fired" multiple times.
   *
   * Possible options:
   *
   *	once:			will ensure the callback list can only be fired once (like a Deferred)
   *
   *	memory:			will keep track of previous values and will call any callback added
   *					after the list has been fired right away with the latest "memorized"
   *					values (like a Deferred)
   *
   *	unique:			will ensure a callback can only be added once (no duplicate in the list)
   *
   *	stopOnFalse:	interrupt callings when a callback returns false
   *
   */
  jQuery.Callbacks = function( options ) {

    // Convert options from String-formatted to Object-formatted if needed
    // (we check in cache first)
    options = typeof options === "string" ?
      ( optionsCache[ options ] || createOptions( options ) ) :
      jQuery.extend( {}, options );

    var // Last fire value (for non-forgettable lists)
      memory,
    // Flag to know if list was already fired
      fired,
    // Flag to know if list is currently firing
      firing,
    // First callback to fire (used internally by add and fireWith)
      firingStart,
    // End of the loop when firing
      firingLength,
    // Index of currently firing callback (modified by remove if needed)
      firingIndex,
    // Actual callback list
      list = [],
    // Stack of fire calls for repeatable lists
      stack = !options.once && [],
    // Fire callbacks
      fire = function( data ) {
        memory = options.memory && data;
        fired = true;
        firingIndex = firingStart || 0;
        firingStart = 0;
        firingLength = list.length;
        firing = true;
        for ( ; list && firingIndex < firingLength; firingIndex++ ) {
          if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
            memory = false; // To prevent further calls using add
            break;
          }
        }
        firing = false;
        if ( list ) {
          if ( stack ) {
            if ( stack.length ) {
              fire( stack.shift() );
            }
          } else if ( memory ) {
            list = [];
          } else {
            self.disable();
          }
        }
      },
    // Actual Callbacks object
      self = {
        // Add a callback or a collection of callbacks to the list
        add: function() {
          if ( list ) {
            // First, we save the current length
            var start = list.length;
            (function add( args ) {
              jQuery.each( args, function( _, arg ) {
                var type = jQuery.type( arg );
                if ( type === "function" ) {
                  if ( !options.unique || !self.has( arg ) ) {
                    list.push( arg );
                  }
                } else if ( arg && arg.length && type !== "string" ) {
                  // Inspect recursively
                  add( arg );
                }
              });
            })( arguments );
            // Do we need to add the callbacks to the
            // current firing batch?
            if ( firing ) {
              firingLength = list.length;
              // With memory, if we're not firing then
              // we should call right away
            } else if ( memory ) {
              firingStart = start;
              fire( memory );
            }
          }
          return this;
        },
        // Remove a callback from the list
        remove: function() {
          if ( list ) {
            jQuery.each( arguments, function( _, arg ) {
              var index;
              while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
                list.splice( index, 1 );
                // Handle firing indexes
                if ( firing ) {
                  if ( index <= firingLength ) {
                    firingLength--;
                  }
                  if ( index <= firingIndex ) {
                    firingIndex--;
                  }
                }
              }
            });
          }
          return this;
        },
        // Control if a given callback is in the list
        has: function( fn ) {
          return jQuery.inArray( fn, list ) > -1;
        },
        // Remove all callbacks from the list
        empty: function() {
          list = [];
          return this;
        },
        // Have the list do nothing anymore
        disable: function() {
          list = stack = memory = undefined;
          return this;
        },
        // Is it disabled?
        disabled: function() {
          return !list;
        },
        // Lock the list in its current state
        lock: function() {
          stack = undefined;
          if ( !memory ) {
            self.disable();
          }
          return this;
        },
        // Is it locked?
        locked: function() {
          return !stack;
        },
        // Call all callbacks with the given context and arguments
        fireWith: function( context, args ) {
          args = args || [];
          args = [ context, args.slice ? args.slice() : args ];
          if ( list && ( !fired || stack ) ) {
            if ( firing ) {
              stack.push( args );
            } else {
              fire( args );
            }
          }
          return this;
        },
        // Call all the callbacks with the given arguments
        fire: function() {
          self.fireWith( this, arguments );
          return this;
        },
        // To know if the callbacks have already been called at least once
        fired: function() {
          return !!fired;
        }
      };

    return self;
  };
  jQuery.extend({

    Deferred: function( func ) {
      var tuples = [
          // action, add listener, listener list, final state
          [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
          [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
          [ "notify", "progress", jQuery.Callbacks("memory") ]
        ],
        state = "pending",
        promise = {
          state: function() {
            return state;
          },
          always: function() {
            deferred.done( arguments ).fail( arguments );
            return this;
          },
          then: function( /* fnDone, fnFail, fnProgress */ ) {
            var fns = arguments;
            return jQuery.Deferred(function( newDefer ) {
              jQuery.each( tuples, function( i, tuple ) {
                var action = tuple[ 0 ],
                  fn = fns[ i ];
                // deferred[ done | fail | progress ] for forwarding actions to newDefer
                deferred[ tuple[1] ]( jQuery.isFunction( fn ) ?
                  function() {
                    var returned = fn.apply( this, arguments );
                    if ( returned && jQuery.isFunction( returned.promise ) ) {
                      returned.promise()
                        .done( newDefer.resolve )
                        .fail( newDefer.reject )
                        .progress( newDefer.notify );
                    } else {
                      newDefer[ action + "With" ]( this === deferred ? newDefer : this, [ returned ] );
                    }
                  } :
                  newDefer[ action ]
                );
              });
              fns = null;
            }).promise();
          },
          // Get a promise for this deferred
          // If obj is provided, the promise aspect is added to the object
          promise: function( obj ) {
            return obj != null ? jQuery.extend( obj, promise ) : promise;
          }
        },
        deferred = {};

      // Keep pipe for back-compat
      promise.pipe = promise.then;

      // Add list-specific methods
      jQuery.each( tuples, function( i, tuple ) {
        var list = tuple[ 2 ],
          stateString = tuple[ 3 ];

        // promise[ done | fail | progress ] = list.add
        promise[ tuple[1] ] = list.add;

        // Handle state
        if ( stateString ) {
          list.add(function() {
            // state = [ resolved | rejected ]
            state = stateString;

            // [ reject_list | resolve_list ].disable; progress_list.lock
          }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
        }

        // deferred[ resolve | reject | notify ] = list.fire
        deferred[ tuple[0] ] = list.fire;
        deferred[ tuple[0] + "With" ] = list.fireWith;
      });

      // Make the deferred a promise
      promise.promise( deferred );

      // Call given func if any
      if ( func ) {
        func.call( deferred, deferred );
      }

      // All done!
      return deferred;
    },

    // Deferred helper
    when: function( subordinate /* , ..., subordinateN */ ) {
      var i = 0,
        resolveValues = core_slice.call( arguments ),
        length = resolveValues.length,

      // the count of uncompleted subordinates
        remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,

      // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
        deferred = remaining === 1 ? subordinate : jQuery.Deferred(),

      // Update function for both resolve and progress values
        updateFunc = function( i, contexts, values ) {
          return function( value ) {
            contexts[ i ] = this;
            values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
            if( values === progressValues ) {
              deferred.notifyWith( contexts, values );
            } else if ( !( --remaining ) ) {
              deferred.resolveWith( contexts, values );
            }
          };
        },

        progressValues, progressContexts, resolveContexts;

      // add listeners to Deferred subordinates; treat others as resolved
      if ( length > 1 ) {
        progressValues = new Array( length );
        progressContexts = new Array( length );
        resolveContexts = new Array( length );
        for ( ; i < length; i++ ) {
          if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
            resolveValues[ i ].promise()
              .done( updateFunc( i, resolveContexts, resolveValues ) )
              .fail( deferred.reject )
              .progress( updateFunc( i, progressContexts, progressValues ) );
          } else {
            --remaining;
          }
        }
      }

      // if we're not waiting on anything, resolve the master
      if ( !remaining ) {
        deferred.resolveWith( resolveContexts, resolveValues );
      }

      return deferred.promise();
    }
  });
  jQuery.support = (function() {

    var support,
      all,
      a,
      select,
      opt,
      input,
      fragment,
      eventName,
      i,
      isSupported,
      clickFn,
      div = document.createElement("div");

    // Setup
    div.setAttribute( "className", "t" );
    div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";

    // Support tests won't run in some limited or non-browser environments
    all = div.getElementsByTagName("*");
    a = div.getElementsByTagName("a")[ 0 ];
    if ( !all || !a || !all.length ) {
      return {};
    }

    // First batch of tests
    select = document.createElement("select");
    opt = select.appendChild( document.createElement("option") );
    input = div.getElementsByTagName("input")[ 0 ];

    a.style.cssText = "top:1px;float:left;opacity:.5";
    support = {
      // IE strips leading whitespace when .innerHTML is used
      leadingWhitespace: ( div.firstChild.nodeType === 3 ),

      // Make sure that tbody elements aren't automatically inserted
      // IE will insert them into empty tables
      tbody: !div.getElementsByTagName("tbody").length,

      // Make sure that link elements get serialized correctly by innerHTML
      // This requires a wrapper element in IE
      htmlSerialize: !!div.getElementsByTagName("link").length,

      // Get the style information from getAttribute
      // (IE uses .cssText instead)
      style: /top/.test( a.getAttribute("style") ),

      // Make sure that URLs aren't manipulated
      // (IE normalizes it by default)
      hrefNormalized: ( a.getAttribute("href") === "/a" ),

      // Make sure that element opacity exists
      // (IE uses filter instead)
      // Use a regex to work around a WebKit issue. See #5145
      opacity: /^0.5/.test( a.style.opacity ),

      // Verify style float existence
      // (IE uses styleFloat instead of cssFloat)
      cssFloat: !!a.style.cssFloat,

      // Make sure that if no value is specified for a checkbox
      // that it defaults to "on".
      // (WebKit defaults to "" instead)
      checkOn: ( input.value === "on" ),

      // Make sure that a selected-by-default option has a working selected property.
      // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
      optSelected: opt.selected,

      // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
      getSetAttribute: div.className !== "t",

      // Tests for enctype support on a form (#6743)
      enctype: !!document.createElement("form").enctype,

      // Makes sure cloning an html5 element does not cause problems
      // Where outerHTML is undefined, this still works
      html5Clone: document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>",

      // jQuery.support.boxModel DEPRECATED in 1.8 since we don't support Quirks Mode
      boxModel: ( document.compatMode === "CSS1Compat" ),

      // Will be defined later
      submitBubbles: true,
      changeBubbles: true,
      focusinBubbles: false,
      deleteExpando: true,
      noCloneEvent: true,
      inlineBlockNeedsLayout: false,
      shrinkWrapBlocks: false,
      reliableMarginRight: true,
      boxSizingReliable: true,
      pixelPosition: false
    };

    // Make sure checked status is properly cloned
    input.checked = true;
    support.noCloneChecked = input.cloneNode( true ).checked;

    // Make sure that the options inside disabled selects aren't marked as disabled
    // (WebKit marks them as disabled)
    select.disabled = true;
    support.optDisabled = !opt.disabled;

    // Test to see if it's possible to delete an expando from an element
    // Fails in Internet Explorer
    try {
      delete div.test;
    } catch( e ) {
      support.deleteExpando = false;
    }

    if ( !div.addEventListener && div.attachEvent && div.fireEvent ) {
      div.attachEvent( "onclick", clickFn = function() {
        // Cloning a node shouldn't copy over any
        // bound event handlers (IE does this)
        support.noCloneEvent = false;
      });
      div.cloneNode( true ).fireEvent("onclick");
      div.detachEvent( "onclick", clickFn );
    }

    // Check if a radio maintains its value
    // after being appended to the DOM
    input = document.createElement("input");
    input.value = "t";
    input.setAttribute( "type", "radio" );
    support.radioValue = input.value === "t";

    input.setAttribute( "checked", "checked" );

    // #11217 - WebKit loses check when the name is after the checked attribute
    input.setAttribute( "name", "t" );

    div.appendChild( input );
    fragment = document.createDocumentFragment();
    fragment.appendChild( div.lastChild );

    // WebKit doesn't clone checked state correctly in fragments
    support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;

    // Check if a disconnected checkbox will retain its checked
    // value of true after appended to the DOM (IE6/7)
    support.appendChecked = input.checked;

    fragment.removeChild( input );
    fragment.appendChild( div );

    // Technique from Juriy Zaytsev
    // http://perfectionkills.com/detecting-event-support-without-browser-sniffing/
    // We only care about the case where non-standard event systems
    // are used, namely in IE. Short-circuiting here helps us to
    // avoid an eval call (in setAttribute) which can cause CSP
    // to go haywire. See: https://developer.mozilla.org/en/Security/CSP
    if ( div.attachEvent ) {
      for ( i in {
        submit: true,
        change: true,
        focusin: true
      }) {
        eventName = "on" + i;
        isSupported = ( eventName in div );
        if ( !isSupported ) {
          div.setAttribute( eventName, "return;" );
          isSupported = ( typeof div[ eventName ] === "function" );
        }
        support[ i + "Bubbles" ] = isSupported;
      }
    }

    // Run tests that need a body at doc ready
    jQuery(function() {
      var container, div, tds, marginDiv,
        divReset = "padding:0;margin:0;border:0;display:block;overflow:hidden;",
        body = document.getElementsByTagName("body")[0];

      if ( !body ) {
        // Return for frameset docs that don't have a body
        return;
      }

      container = document.createElement("div");
      container.style.cssText = "visibility:hidden;border:0;width:0;height:0;position:static;top:0;margin-top:1px";
      body.insertBefore( container, body.firstChild );

      // Construct the test element
      div = document.createElement("div");
      container.appendChild( div );

      // Check if table cells still have offsetWidth/Height when they are set
      // to display:none and there are still other visible table cells in a
      // table row; if so, offsetWidth/Height are not reliable for use when
      // determining if an element has been hidden directly using
      // display:none (it is still safe to use offsets if a parent element is
      // hidden; don safety goggles and see bug #4512 for more information).
      // (only IE 8 fails this test)
      div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
      tds = div.getElementsByTagName("td");
      tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
      isSupported = ( tds[ 0 ].offsetHeight === 0 );

      tds[ 0 ].style.display = "";
      tds[ 1 ].style.display = "none";

      // Check if empty table cells still have offsetWidth/Height
      // (IE <= 8 fail this test)
      support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );

      // Check box-sizing and margin behavior
      div.innerHTML = "";
      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%;";
      support.boxSizing = ( div.offsetWidth === 4 );
      support.doesNotIncludeMarginInBodyOffset = ( body.offsetTop !== 1 );

      // NOTE: To any future maintainer, we've window.getComputedStyle
      // because jsdom on node.js will break without it.
      if ( window.getComputedStyle ) {
        support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
        support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";

        // Check if div with explicit width and no margin-right incorrectly
        // gets computed margin-right based on width of container. For more
        // info see bug #3333
        // Fails in WebKit before Feb 2011 nightlies
        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
        marginDiv = document.createElement("div");
        marginDiv.style.cssText = div.style.cssText = divReset;
        marginDiv.style.marginRight = marginDiv.style.width = "0";
        div.style.width = "1px";
        div.appendChild( marginDiv );
        support.reliableMarginRight =
          !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
      }

      if ( typeof div.style.zoom !== "undefined" ) {
        // Check if natively block-level elements act like inline-block
        // elements when setting their display to 'inline' and giving
        // them layout
        // (IE < 8 does this)
        div.innerHTML = "";
        div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
        support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );

        // Check if elements with layout shrink-wrap their children
        // (IE 6 does this)
        div.style.display = "block";
        div.style.overflow = "visible";
        div.innerHTML = "<div></div>";
        div.firstChild.style.width = "5px";
        support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );

        container.style.zoom = 1;
      }

      // Null elements to avoid leaks in IE
      body.removeChild( container );
      container = div = tds = marginDiv = null;
    });

    // Null elements to avoid leaks in IE
    fragment.removeChild( div );
    all = a = select = opt = input = fragment = div = null;

    return support;
  })();
  var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
    rmultiDash = /([A-Z])/g;

  jQuery.extend({
    cache: {},

    deletedIds: [],

    // Remove at next major release (1.9/2.0)
    uuid: 0,

    // Unique for each copy of jQuery on the page
    // Non-digits removed to match rinlinejQuery
    expando: "jQuery" + ( jQuery.fn.jquery + Math.random() ).replace( /\D/g, "" ),

    // The following elements throw uncatchable exceptions if you
    // attempt to add expando properties to them.
    noData: {
      "embed": true,
      // Ban all objects except for Flash (which handle expandos)
      "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
      "applet": true
    },

    hasData: function( elem ) {
      elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
      return !!elem && !isEmptyDataObject( elem );
    },

    data: function( elem, name, data, pvt /* Internal Use Only */ ) {
      if ( !jQuery.acceptData( elem ) ) {
        return;
      }

      var thisCache, ret,
        internalKey = jQuery.expando,
        getByName = typeof name === "string",

      // We have to handle DOM nodes and JS objects differently because IE6-7
      // can't GC object references properly across the DOM-JS boundary
        isNode = elem.nodeType,

      // Only DOM nodes need the global jQuery cache; JS object data is
      // attached directly to the object so GC can occur automatically
        cache = isNode ? jQuery.cache : elem,

      // Only defining an ID for JS objects if its cache already exists allows
      // the code to shortcut on the same path as a DOM node with no cache
        id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;

      // Avoid doing any more work than we need to when trying to get data on an
      // object that has no data at all
      if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
        return;
      }

      if ( !id ) {
        // Only DOM nodes need a new unique ID for each element since their data
        // ends up in the global cache
        if ( isNode ) {
          elem[ internalKey ] = id = jQuery.deletedIds.pop() || jQuery.guid++;
        } else {
          id = internalKey;
        }
      }

      if ( !cache[ id ] ) {
        cache[ id ] = {};

        // Avoids exposing jQuery metadata on plain JS objects when the object
        // is serialized using JSON.stringify
        if ( !isNode ) {
          cache[ id ].toJSON = jQuery.noop;
        }
      }

      // An object can be passed to jQuery.data instead of a key/value pair; this gets
      // shallow copied over onto the existing cache
      if ( typeof name === "object" || typeof name === "function" ) {
        if ( pvt ) {
          cache[ id ] = jQuery.extend( cache[ id ], name );
        } else {
          cache[ id ].data = jQuery.extend( cache[ id ].data, name );
        }
      }

      thisCache = cache[ id ];

      // jQuery data() is stored in a separate object inside the object's internal data
      // cache in order to avoid key collisions between internal data and user-defined
      // data.
      if ( !pvt ) {
        if ( !thisCache.data ) {
          thisCache.data = {};
        }

        thisCache = thisCache.data;
      }

      if ( data !== undefined ) {
        thisCache[ jQuery.camelCase( name ) ] = data;
      }

      // Check for both converted-to-camel and non-converted data property names
      // If a data property was specified
      if ( getByName ) {

        // First Try to find as-is property data
        ret = thisCache[ name ];

        // Test for null|undefined property data
        if ( ret == null ) {

          // Try to find the camelCased property
          ret = thisCache[ jQuery.camelCase( name ) ];
        }
      } else {
        ret = thisCache;
      }

      return ret;
    },

    removeData: function( elem, name, pvt /* Internal Use Only */ ) {
      if ( !jQuery.acceptData( elem ) ) {
        return;
      }

      var thisCache, i, l,

        isNode = elem.nodeType,

      // See jQuery.data for more information
        cache = isNode ? jQuery.cache : elem,
        id = isNode ? elem[ jQuery.expando ] : jQuery.expando;

      // If there is already no cache entry for this object, there is no
      // purpose in continuing
      if ( !cache[ id ] ) {
        return;
      }

      if ( name ) {

        thisCache = pvt ? cache[ id ] : cache[ id ].data;

        if ( thisCache ) {

          // Support array or space separated string names for data keys
          if ( !jQuery.isArray( name ) ) {

            // try the string as a key before any manipulation
            if ( name in thisCache ) {
              name = [ name ];
            } else {

              // split the camel cased version by spaces unless a key with the spaces exists
              name = jQuery.camelCase( name );
              if ( name in thisCache ) {
                name = [ name ];
              } else {
                name = name.split(" ");
              }
            }
          }

          for ( i = 0, l = name.length; i < l; i++ ) {
            delete thisCache[ name[i] ];
          }

          // If there is no data left in the cache, we want to continue
          // and let the cache object itself get destroyed
          if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
            return;
          }
        }
      }

      // See jQuery.data for more information
      if ( !pvt ) {
        delete cache[ id ].data;

        // Don't destroy the parent cache unless the internal data object
        // had been the only thing left in it
        if ( !isEmptyDataObject( cache[ id ] ) ) {
          return;
        }
      }

      // Destroy the cache
      if ( isNode ) {
        jQuery.cleanData( [ elem ], true );

        // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
      } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
        delete cache[ id ];

        // When all else fails, null
      } else {
        cache[ id ] = null;
      }
    },

    // For internal use only.
    _data: function( elem, name, data ) {
      return jQuery.data( elem, name, data, true );
    },

    // A method for determining if a DOM node can handle the data expando
    acceptData: function( elem ) {
      var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];

      // nodes accept data unless otherwise specified; rejection can be conditional
      return !noData || noData !== true && elem.getAttribute("classid") === noData;
    }
  });

  jQuery.fn.extend({
    data: function( key, value ) {
      var parts, part, attr, name, l,
        elem = this[0],
        i = 0,
        data = null;

      // Gets all values
      if ( key === undefined ) {
        if ( this.length ) {
          data = jQuery.data( elem );

          if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
            attr = elem.attributes;
            for ( l = attr.length; i < l; i++ ) {
              name = attr[i].name;

              if ( !name.indexOf( "data-" ) ) {
                name = jQuery.camelCase( name.substring(5) );

                dataAttr( elem, name, data[ name ] );
              }
            }
            jQuery._data( elem, "parsedAttrs", true );
          }
        }

        return data;
      }

      // Sets multiple values
      if ( typeof key === "object" ) {
        return this.each(function() {
          jQuery.data( this, key );
        });
      }

      parts = key.split( ".", 2 );
      parts[1] = parts[1] ? "." + parts[1] : "";
      part = parts[1] + "!";

      return jQuery.access( this, function( value ) {

        if ( value === undefined ) {
          data = this.triggerHandler( "getData" + part, [ parts[0] ] );

          // Try to fetch any internally stored data first
          if ( data === undefined && elem ) {
            data = jQuery.data( elem, key );
            data = dataAttr( elem, key, data );
          }

          return data === undefined && parts[1] ?
            this.data( parts[0] ) :
            data;
        }

        parts[1] = value;
        this.each(function() {
          var self = jQuery( this );

          self.triggerHandler( "setData" + part, parts );
          jQuery.data( this, key, value );
          self.triggerHandler( "changeData" + part, parts );
        });
      }, null, value, arguments.length > 1, null, false );
    },

    removeData: function( key ) {
      return this.each(function() {
        jQuery.removeData( this, key );
      });
    }
  });

  function dataAttr( elem, key, data ) {
    // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute
    if ( data === undefined && elem.nodeType === 1 ) {

      var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();

      data = elem.getAttribute( name );

      if ( typeof data === "string" ) {
        try {
          data = data === "true" ? true :
            data === "false" ? false :
              data === "null" ? null :
                // Only convert to a number if it doesn't change the string
                +data + "" === data ? +data :
                  rbrace.test( data ) ? jQuery.parseJSON( data ) :
                    data;
        } catch( e ) {}

        // Make sure we set the data so it isn't changed later
        jQuery.data( elem, key, data );

      } else {
        data = undefined;
      }
    }

    return data;
  }

// checks a cache object for emptiness
  function isEmptyDataObject( obj ) {
    var name;
    for ( name in obj ) {

      // if the public data object is empty, the private is still empty
      if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
        continue;
      }
      if ( name !== "toJSON" ) {
        return false;
      }
    }

    return true;
  }
  jQuery.extend({
    queue: function( elem, type, data ) {
      var queue;

      if ( elem ) {
        type = ( type || "fx" ) + "queue";
        queue = jQuery._data( elem, type );

        // Speed up dequeue by getting out quickly if this is just a lookup
        if ( data ) {
          if ( !queue || jQuery.isArray(data) ) {
            queue = jQuery._data( elem, type, jQuery.makeArray(data) );
          } else {
            queue.push( data );
          }
        }
        return queue || [];
      }
    },

    dequeue: function( elem, type ) {
      type = type || "fx";

      var queue = jQuery.queue( elem, type ),
        startLength = queue.length,
        fn = queue.shift(),
        hooks = jQuery._queueHooks( elem, type ),
        next = function() {
          jQuery.dequeue( elem, type );
        };

      // If the fx queue is dequeued, always remove the progress sentinel
      if ( fn === "inprogress" ) {
        fn = queue.shift();
        startLength--;
      }

      if ( fn ) {

        // Add a progress sentinel to prevent the fx queue from being
        // automatically dequeued
        if ( type === "fx" ) {
          queue.unshift( "inprogress" );
        }

        // clear up the last queue stop function
        delete hooks.stop;
        fn.call( elem, next, hooks );
      }

      if ( !startLength && hooks ) {
        hooks.empty.fire();
      }
    },

    // not intended for public consumption - generates a queueHooks object, or returns the current one
    _queueHooks: function( elem, type ) {
      var key = type + "queueHooks";
      return jQuery._data( elem, key ) || jQuery._data( elem, key, {
        empty: jQuery.Callbacks("once memory").add(function() {
          jQuery.removeData( elem, type + "queue", true );
          jQuery.removeData( elem, key, true );
        })
      });
    }
  });

  jQuery.fn.extend({
    queue: function( type, data ) {
      var setter = 2;

      if ( typeof type !== "string" ) {
        data = type;
        type = "fx";
        setter--;
      }

      if ( arguments.length < setter ) {
        return jQuery.queue( this[0], type );
      }

      return data === undefined ?
        this :
        this.each(function() {
          var queue = jQuery.queue( this, type, data );

          // ensure a hooks for this queue
          jQuery._queueHooks( this, type );

          if ( type === "fx" && queue[0] !== "inprogress" ) {
            jQuery.dequeue( this, type );
          }
        });
    },
    dequeue: function( type ) {
      return this.each(function() {
        jQuery.dequeue( this, type );
      });
    },
    // Based off of the plugin by Clint Helfers, with permission.
    // http://blindsignals.com/index.php/2009/07/jquery-delay/
    delay: function( time, type ) {
      time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
      type = type || "fx";

      return this.queue( type, function( next, hooks ) {
        var timeout = setTimeout( next, time );
        hooks.stop = function() {
          clearTimeout( timeout );
        };
      });
    },
    clearQueue: function( type ) {
      return this.queue( type || "fx", [] );
    },
    // Get a promise resolved when queues of a certain type
    // are emptied (fx is the type by default)
    promise: function( type, obj ) {
      var tmp,
        count = 1,
        defer = jQuery.Deferred(),
        elements = this,
        i = this.length,
        resolve = function() {
          if ( !( --count ) ) {
            defer.resolveWith( elements, [ elements ] );
          }
        };

      if ( typeof type !== "string" ) {
        obj = type;
        type = undefined;
      }
      type = type || "fx";

      while( i-- ) {
        tmp = jQuery._data( elements[ i ], type + "queueHooks" );
        if ( tmp && tmp.empty ) {
          count++;
          tmp.empty.add( resolve );
        }
      }
      resolve();
      return defer.promise( obj );
    }
  });
  var nodeHook, boolHook, fixSpecified,
    rclass = /[\t\r\n]/g,
    rreturn = /\r/g,
    rtype = /^(?:button|input)$/i,
    rfocusable = /^(?:button|input|object|select|textarea)$/i,
    rclickable = /^a(?:rea|)$/i,
    rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
    getSetAttribute = jQuery.support.getSetAttribute;

  jQuery.fn.extend({
    attr: function( name, value ) {
      return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
    },

    removeAttr: function( name ) {
      return this.each(function() {
        jQuery.removeAttr( this, name );
      });
    },

    prop: function( name, value ) {
      return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
    },

    removeProp: function( name ) {
      name = jQuery.propFix[ name ] || name;
      return this.each(function() {
        // try/catch handles cases where IE balks (such as removing a property on window)
        try {
          this[ name ] = undefined;
          delete this[ name ];
        } catch( e ) {}
      });
    },

    addClass: function( value ) {
      var classNames, i, l, elem,
        setClass, c, cl;

      if ( jQuery.isFunction( value ) ) {
        return this.each(function( j ) {
          jQuery( this ).addClass( value.call(this, j, this.className) );
        });
      }

      if ( value && typeof value === "string" ) {
        classNames = value.split( core_rspace );

        for ( i = 0, l = this.length; i < l; i++ ) {
          elem = this[ i ];

          if ( elem.nodeType === 1 ) {
            if ( !elem.className && classNames.length === 1 ) {
              elem.className = value;

            } else {
              setClass = " " + elem.className + " ";

              for ( c = 0, cl = classNames.length; c < cl; c++ ) {
                if ( setClass.indexOf( " " + classNames[ c ] + " " ) < 0 ) {
                  setClass += classNames[ c ] + " ";
                }
              }
              elem.className = jQuery.trim( setClass );
            }
          }
        }
      }

      return this;
    },

    removeClass: function( value ) {
      var removes, className, elem, c, cl, i, l;

      if ( jQuery.isFunction( value ) ) {
        return this.each(function( j ) {
          jQuery( this ).removeClass( value.call(this, j, this.className) );
        });
      }
      if ( (value && typeof value === "string") || value === undefined ) {
        removes = ( value || "" ).split( core_rspace );

        for ( i = 0, l = this.length; i < l; i++ ) {
          elem = this[ i ];
          if ( elem.nodeType === 1 && elem.className ) {

            className = (" " + elem.className + " ").replace( rclass, " " );

            // loop over each item in the removal list
            for ( c = 0, cl = removes.length; c < cl; c++ ) {
              // Remove until there is nothing to remove,
              while ( className.indexOf(" " + removes[ c ] + " ") >= 0 ) {
                className = className.replace( " " + removes[ c ] + " " , " " );
              }
            }
            elem.className = value ? jQuery.trim( className ) : "";
          }
        }
      }

      return this;
    },

    toggleClass: function( value, stateVal ) {
      var type = typeof value,
        isBool = typeof stateVal === "boolean";

      if ( jQuery.isFunction( value ) ) {
        return this.each(function( i ) {
          jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
        });
      }

      return this.each(function() {
        if ( type === "string" ) {
          // toggle individual class names
          var className,
            i = 0,
            self = jQuery( this ),
            state = stateVal,
            classNames = value.split( core_rspace );

          while ( (className = classNames[ i++ ]) ) {
            // check each className given, space separated list
            state = isBool ? state : !self.hasClass( className );
            self[ state ? "addClass" : "removeClass" ]( className );
          }

        } else if ( type === "undefined" || type === "boolean" ) {
          if ( this.className ) {
            // store className if set
            jQuery._data( this, "__className__", this.className );
          }

          // toggle whole className
          this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
        }
      });
    },

    hasClass: function( selector ) {
      var className = " " + selector + " ",
        i = 0,
        l = this.length;
      for ( ; i < l; i++ ) {
        if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
          return true;
        }
      }

      return false;
    },

    val: function( value ) {
      var hooks, ret, isFunction,
        elem = this[0];

      if ( !arguments.length ) {
        if ( elem ) {
          hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];

          if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
            return ret;
          }

          ret = elem.value;

          return typeof ret === "string" ?
            // handle most common string cases
            ret.replace(rreturn, "") :
            // handle cases where value is null/undef or number
            ret == null ? "" : ret;
        }

        return;
      }

      isFunction = jQuery.isFunction( value );

      return this.each(function( i ) {
        var val,
          self = jQuery(this);

        if ( this.nodeType !== 1 ) {
          return;
        }

        if ( isFunction ) {
          val = value.call( this, i, self.val() );
        } else {
          val = value;
        }

        // Treat null/undefined as ""; convert numbers to string
        if ( val == null ) {
          val = "";
        } else if ( typeof val === "number" ) {
          val += "";
        } else if ( jQuery.isArray( val ) ) {
          val = jQuery.map(val, function ( value ) {
            return value == null ? "" : value + "";
          });
        }

        hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];

        // If set returns undefined, fall back to normal setting
        if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
          this.value = val;
        }
      });
    }
  });

  jQuery.extend({
    valHooks: {
      option: {
        get: function( elem ) {
          // attributes.value is undefined in Blackberry 4.7 but
          // uses .value. See #6932
          var val = elem.attributes.value;
          return !val || val.specified ? elem.value : elem.text;
        }
      },
      select: {
        get: function( elem ) {
          var value, option,
            options = elem.options,
            index = elem.selectedIndex,
            one = elem.type === "select-one" || index < 0,
            values = one ? null : [],
            max = one ? index + 1 : options.length,
            i = index < 0 ?
              max :
              one ? index : 0;

          // Loop through all the selected options
          for ( ; i < max; i++ ) {
            option = options[ i ];

            // oldIE doesn't update selected after form reset (#2551)
            if ( ( option.selected || i === index ) &&
              // Don't return options that are disabled or in a disabled optgroup
              ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
              ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {

              // Get the specific value for the option
              value = jQuery( option ).val();

              // We don't need an array for one selects
              if ( one ) {
                return value;
              }

              // Multi-Selects return an array
              values.push( value );
            }
          }

          return values;
        },

        set: function( elem, value ) {
          var values = jQuery.makeArray( value );

          jQuery(elem).find("option").each(function() {
            this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
          });

          if ( !values.length ) {
            elem.selectedIndex = -1;
          }
          return values;
        }
      }
    },

    // Unused in 1.8, left in so attrFn-stabbers won't die; remove in 1.9
    attrFn: {},

    attr: function( elem, name, value, pass ) {
      var ret, hooks, notxml,
        nType = elem.nodeType;

      // don't get/set attributes on text, comment and attribute nodes
      if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }

      if ( pass && jQuery.isFunction( jQuery.fn[ name ] ) ) {
        return jQuery( elem )[ name ]( value );
      }

      // Fallback to prop when attributes are not supported
      if ( typeof elem.getAttribute === "undefined" ) {
        return jQuery.prop( elem, name, value );
      }

      notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

      // All attributes are lowercase
      // Grab necessary hook if one is defined
      if ( notxml ) {
        name = name.toLowerCase();
        hooks = jQuery.attrHooks[ name ] || ( rboolean.test( name ) ? boolHook : nodeHook );
      }

      if ( value !== undefined ) {

        if ( value === null ) {
          jQuery.removeAttr( elem, name );
          return;

        } else if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value, name )) !== undefined ) {
          return ret;

        } else {
          elem.setAttribute( name, value + "" );
          return value;
        }

      } else if ( hooks && "get" in hooks && notxml && (ret = hooks.get( elem, name )) !== null ) {
        return ret;

      } else {

        ret = elem.getAttribute( name );

        // Non-existent attributes return null, we normalize to undefined
        return ret === null ?
          undefined :
          ret;
      }
    },

    removeAttr: function( elem, value ) {
      var propName, attrNames, name, isBool,
        i = 0;

      if ( value && elem.nodeType === 1 ) {

        attrNames = value.split( core_rspace );

        for ( ; i < attrNames.length; i++ ) {
          name = attrNames[ i ];

          if ( name ) {
            propName = jQuery.propFix[ name ] || name;
            isBool = rboolean.test( name );

            // See #9699 for explanation of this approach (setting first, then removal)
            // Do not do this for boolean attributes (see #10870)
            if ( !isBool ) {
              jQuery.attr( elem, name, "" );
            }
            elem.removeAttribute( getSetAttribute ? name : propName );

            // Set corresponding property to false for boolean attributes
            if ( isBool && propName in elem ) {
              elem[ propName ] = false;
            }
          }
        }
      }
    },

    attrHooks: {
      type: {
        set: function( elem, value ) {
          // We can't allow the type property to be changed (since it causes problems in IE)
          if ( rtype.test( elem.nodeName ) && elem.parentNode ) {
            jQuery.error( "type property can't be changed" );
          } else if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
            // Setting the type on a radio button after the value resets the value in IE6-9
            // Reset value to it's default in case type is set after value
            // This is for element creation
            var val = elem.value;
            elem.setAttribute( "type", value );
            if ( val ) {
              elem.value = val;
            }
            return value;
          }
        }
      },
      // Use the value property for back compat
      // Use the nodeHook for button elements in IE6/7 (#1954)
      value: {
        get: function( elem, name ) {
          if ( nodeHook && jQuery.nodeName( elem, "button" ) ) {
            return nodeHook.get( elem, name );
          }
          return name in elem ?
            elem.value :
            null;
        },
        set: function( elem, value, name ) {
          if ( nodeHook && jQuery.nodeName( elem, "button" ) ) {
            return nodeHook.set( elem, value, name );
          }
          // Does not return so that setAttribute is also used
          elem.value = value;
        }
      }
    },

    propFix: {
      tabindex: "tabIndex",
      readonly: "readOnly",
      "for": "htmlFor",
      "class": "className",
      maxlength: "maxLength",
      cellspacing: "cellSpacing",
      cellpadding: "cellPadding",
      rowspan: "rowSpan",
      colspan: "colSpan",
      usemap: "useMap",
      frameborder: "frameBorder",
      contenteditable: "contentEditable"
    },

    prop: function( elem, name, value ) {
      var ret, hooks, notxml,
        nType = elem.nodeType;

      // don't get/set properties on text, comment and attribute nodes
      if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }

      notxml = nType !== 1 || !jQuery.isXMLDoc( elem );

      if ( notxml ) {
        // Fix name and attach hooks
        name = jQuery.propFix[ name ] || name;
        hooks = jQuery.propHooks[ name ];
      }

      if ( value !== undefined ) {
        if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
          return ret;

        } else {
          return ( elem[ name ] = value );
        }

      } else {
        if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
          return ret;

        } else {
          return elem[ name ];
        }
      }
    },

    propHooks: {
      tabIndex: {
        get: function( elem ) {
          // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
          // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
          var attributeNode = elem.getAttributeNode("tabindex");

          return attributeNode && attributeNode.specified ?
            parseInt( attributeNode.value, 10 ) :
            rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
              0 :
              undefined;
        }
      }
    }
  });

// Hook for boolean attributes
  boolHook = {
    get: function( elem, name ) {
      // Align boolean attributes with corresponding properties
      // Fall back to attribute presence where some booleans are not supported
      var attrNode,
        property = jQuery.prop( elem, name );
      return property === true || typeof property !== "boolean" && ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
        name.toLowerCase() :
        undefined;
    },
    set: function( elem, value, name ) {
      var propName;
      if ( value === false ) {
        // Remove boolean attributes when set to false
        jQuery.removeAttr( elem, name );
      } else {
        // value is true since we know at this point it's type boolean and not false
        // Set boolean attributes to the same name and set the DOM property
        propName = jQuery.propFix[ name ] || name;
        if ( propName in elem ) {
          // Only set the IDL specifically if it already exists on the element
          elem[ propName ] = true;
        }

        elem.setAttribute( name, name.toLowerCase() );
      }
      return name;
    }
  };

// IE6/7 do not support getting/setting some attributes with get/setAttribute
  if ( !getSetAttribute ) {

    fixSpecified = {
      name: true,
      id: true,
      coords: true
    };

    // Use this for any attribute in IE6/7
    // This fixes almost every IE6/7 issue
    nodeHook = jQuery.valHooks.button = {
      get: function( elem, name ) {
        var ret;
        ret = elem.getAttributeNode( name );
        return ret && ( fixSpecified[ name ] ? ret.value !== "" : ret.specified ) ?
          ret.value :
          undefined;
      },
      set: function( elem, value, name ) {
        // Set the existing or create a new attribute node
        var ret = elem.getAttributeNode( name );
        if ( !ret ) {
          ret = document.createAttribute( name );
          elem.setAttributeNode( ret );
        }
        return ( ret.value = value + "" );
      }
    };

    // Set width and height to auto instead of 0 on empty string( Bug #8150 )
    // This is for removals
    jQuery.each([ "width", "height" ], function( i, name ) {
      jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
        set: function( elem, value ) {
          if ( value === "" ) {
            elem.setAttribute( name, "auto" );
            return value;
          }
        }
      });
    });

    // Set contenteditable to false on removals(#10429)
    // Setting to empty string throws an error as an invalid value
    jQuery.attrHooks.contenteditable = {
      get: nodeHook.get,
      set: function( elem, value, name ) {
        if ( value === "" ) {
          value = "false";
        }
        nodeHook.set( elem, value, name );
      }
    };
  }


// Some attributes require a special call on IE
  if ( !jQuery.support.hrefNormalized ) {
    jQuery.each([ "href", "src", "width", "height" ], function( i, name ) {
      jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
        get: function( elem ) {
          var ret = elem.getAttribute( name, 2 );
          return ret === null ? undefined : ret;
        }
      });
    });
  }

  if ( !jQuery.support.style ) {
    jQuery.attrHooks.style = {
      get: function( elem ) {
        // Return undefined in the case of empty string
        // Normalize to lowercase since IE uppercases css property names
        return elem.style.cssText.toLowerCase() || undefined;
      },
      set: function( elem, value ) {
        return ( elem.style.cssText = value + "" );
      }
    };
  }

// Safari mis-reports the default selected property of an option
// Accessing the parent's selectedIndex property fixes it
  if ( !jQuery.support.optSelected ) {
    jQuery.propHooks.selected = jQuery.extend( jQuery.propHooks.selected, {
      get: function( elem ) {
        var parent = elem.parentNode;

        if ( parent ) {
          parent.selectedIndex;

          // Make sure that it also works with optgroups, see #5701
          if ( parent.parentNode ) {
            parent.parentNode.selectedIndex;
          }
        }
        return null;
      }
    });
  }

// IE6/7 call enctype encoding
  if ( !jQuery.support.enctype ) {
    jQuery.propFix.enctype = "encoding";
  }

// Radios and checkboxes getter/setter
  if ( !jQuery.support.checkOn ) {
    jQuery.each([ "radio", "checkbox" ], function() {
      jQuery.valHooks[ this ] = {
        get: function( elem ) {
          // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
          return elem.getAttribute("value") === null ? "on" : elem.value;
        }
      };
    });
  }
  jQuery.each([ "radio", "checkbox" ], function() {
    jQuery.valHooks[ this ] = jQuery.extend( jQuery.valHooks[ this ], {
      set: function( elem, value ) {
        if ( jQuery.isArray( value ) ) {
          return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
        }
      }
    });
  });
  var rformElems = /^(?:textarea|input|select)$/i,
    rtypenamespace = /^([^\.]*|)(?:\.(.+)|)$/,
    rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
    rkeyEvent = /^key/,
    rmouseEvent = /^(?:mouse|contextmenu)|click/,
    rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
    hoverHack = function( events ) {
      return jQuery.event.special.hover ? events : events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
    };

  /*
   * Helper functions for managing events -- not part of the public interface.
   * Props to Dean Edwards' addEvent library for many of the ideas.
   */
  jQuery.event = {

    add: function( elem, types, handler, data, selector ) {

      var elemData, eventHandle, events,
        t, tns, type, namespaces, handleObj,
        handleObjIn, handlers, special;

      // Don't attach events to noData or text/comment nodes (allow plain objects tho)
      if ( elem.nodeType === 3 || elem.nodeType === 8 || !types || !handler || !(elemData = jQuery._data( elem )) ) {
        return;
      }

      // Caller can pass in an object of custom data in lieu of the handler
      if ( handler.handler ) {
        handleObjIn = handler;
        handler = handleObjIn.handler;
        selector = handleObjIn.selector;
      }

      // Make sure that the handler has a unique ID, used to find/remove it later
      if ( !handler.guid ) {
        handler.guid = jQuery.guid++;
      }

      // Init the element's event structure and main handler, if this is the first
      events = elemData.events;
      if ( !events ) {
        elemData.events = events = {};
      }
      eventHandle = elemData.handle;
      if ( !eventHandle ) {
        elemData.handle = eventHandle = function( e ) {
          // Discard the second event of a jQuery.event.trigger() and
          // when an event is called after a page has unloaded
          return typeof jQuery !== "undefined" && (!e || jQuery.event.triggered !== e.type) ?
            jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
            undefined;
        };
        // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
        eventHandle.elem = elem;
      }

      // Handle multiple events separated by a space
      // jQuery(...).bind("mouseover mouseout", fn);
      types = jQuery.trim( hoverHack(types) ).split( " " );
      for ( t = 0; t < types.length; t++ ) {

        tns = rtypenamespace.exec( types[t] ) || [];
        type = tns[1];
        namespaces = ( tns[2] || "" ).split( "." ).sort();

        // If event changes its type, use the special event handlers for the changed type
        special = jQuery.event.special[ type ] || {};

        // If selector defined, determine special event api type, otherwise given type
        type = ( selector ? special.delegateType : special.bindType ) || type;

        // Update special based on newly reset type
        special = jQuery.event.special[ type ] || {};

        // handleObj is passed to all event handlers
        handleObj = jQuery.extend({
          type: type,
          origType: tns[1],
          data: data,
          handler: handler,
          guid: handler.guid,
          selector: selector,
          needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
          namespace: namespaces.join(".")
        }, handleObjIn );

        // Init the event handler queue if we're the first
        handlers = events[ type ];
        if ( !handlers ) {
          handlers = events[ type ] = [];
          handlers.delegateCount = 0;

          // Only use addEventListener/attachEvent if the special events handler returns false
          if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
            // Bind the global event handler to the element
            if ( elem.addEventListener ) {
              elem.addEventListener( type, eventHandle, false );

            } else if ( elem.attachEvent ) {
              elem.attachEvent( "on" + type, eventHandle );
            }
          }
        }

        if ( special.add ) {
          special.add.call( elem, handleObj );

          if ( !handleObj.handler.guid ) {
            handleObj.handler.guid = handler.guid;
          }
        }

        // Add to the element's handler list, delegates in front
        if ( selector ) {
          handlers.splice( handlers.delegateCount++, 0, handleObj );
        } else {
          handlers.push( handleObj );
        }

        // Keep track of which events have ever been used, for event optimization
        jQuery.event.global[ type ] = true;
      }

      // Nullify elem to prevent memory leaks in IE
      elem = null;
    },

    global: {},

    // Detach an event or set of events from an element
    remove: function( elem, types, handler, selector, mappedTypes ) {

      var t, tns, type, origType, namespaces, origCount,
        j, events, special, eventType, handleObj,
        elemData = jQuery.hasData( elem ) && jQuery._data( elem );

      if ( !elemData || !(events = elemData.events) ) {
        return;
      }

      // Once for each type.namespace in types; type may be omitted
      types = jQuery.trim( hoverHack( types || "" ) ).split(" ");
      for ( t = 0; t < types.length; t++ ) {
        tns = rtypenamespace.exec( types[t] ) || [];
        type = origType = tns[1];
        namespaces = tns[2];

        // Unbind all events (on this namespace, if provided) for the element
        if ( !type ) {
          for ( type in events ) {
            jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
          }
          continue;
        }

        special = jQuery.event.special[ type ] || {};
        type = ( selector? special.delegateType : special.bindType ) || type;
        eventType = events[ type ] || [];
        origCount = eventType.length;
        namespaces = namespaces ? new RegExp("(^|\\.)" + namespaces.split(".").sort().join("\\.(?:.*\\.|)") + "(\\.|$)") : null;

        // Remove matching events
        for ( j = 0; j < eventType.length; j++ ) {
          handleObj = eventType[ j ];

          if ( ( mappedTypes || origType === handleObj.origType ) &&
            ( !handler || handler.guid === handleObj.guid ) &&
            ( !namespaces || namespaces.test( handleObj.namespace ) ) &&
            ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
            eventType.splice( j--, 1 );

            if ( handleObj.selector ) {
              eventType.delegateCount--;
            }
            if ( special.remove ) {
              special.remove.call( elem, handleObj );
            }
          }
        }

        // Remove generic event handler if we removed something and no more handlers exist
        // (avoids potential for endless recursion during removal of special event handlers)
        if ( eventType.length === 0 && origCount !== eventType.length ) {
          if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
            jQuery.removeEvent( elem, type, elemData.handle );
          }

          delete events[ type ];
        }
      }

      // Remove the expando if it's no longer used
      if ( jQuery.isEmptyObject( events ) ) {
        delete elemData.handle;

        // removeData also checks for emptiness and clears the expando if empty
        // so use it instead of delete
        jQuery.removeData( elem, "events", true );
      }
    },

    // Events that are safe to short-circuit if no handlers are attached.
    // Native DOM events should not be added, they may have inline handlers.
    customEvent: {
      "getData": true,
      "setData": true,
      "changeData": true
    },

    trigger: function( event, data, elem, onlyHandlers ) {
      // Don't do events on text and comment nodes
      if ( elem && (elem.nodeType === 3 || elem.nodeType === 8) ) {
        return;
      }

      // Event object or event type
      var cache, exclusive, i, cur, old, ontype, special, handle, eventPath, bubbleType,
        type = event.type || event,
        namespaces = [];

      // focus/blur morphs to focusin/out; ensure we're not firing them right now
      if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
        return;
      }

      if ( type.indexOf( "!" ) >= 0 ) {
        // Exclusive events trigger only for the exact event (no namespaces)
        type = type.slice(0, -1);
        exclusive = true;
      }

      if ( type.indexOf( "." ) >= 0 ) {
        // Namespaced trigger; create a regexp to match event type in handle()
        namespaces = type.split(".");
        type = namespaces.shift();
        namespaces.sort();
      }

      if ( (!elem || jQuery.event.customEvent[ type ]) && !jQuery.event.global[ type ] ) {
        // No jQuery handlers for this event type, and it can't have inline handlers
        return;
      }

      // Caller can pass in an Event, Object, or just an event type string
      event = typeof event === "object" ?
        // jQuery.Event object
        event[ jQuery.expando ] ? event :
          // Object literal
          new jQuery.Event( type, event ) :
        // Just the event type (string)
        new jQuery.Event( type );

      event.type = type;
      event.isTrigger = true;
      event.exclusive = exclusive;
      event.namespace = namespaces.join( "." );
      event.namespace_re = event.namespace? new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : null;
      ontype = type.indexOf( ":" ) < 0 ? "on" + type : "";

      // Handle a global trigger
      if ( !elem ) {

        // TODO: Stop taunting the data cache; remove global events and always attach to document
        cache = jQuery.cache;
        for ( i in cache ) {
          if ( cache[ i ].events && cache[ i ].events[ type ] ) {
            jQuery.event.trigger( event, data, cache[ i ].handle.elem, true );
          }
        }
        return;
      }

      // Clean up the event in case it is being reused
      event.result = undefined;
      if ( !event.target ) {
        event.target = elem;
      }

      // Clone any incoming data and prepend the event, creating the handler arg list
      data = data != null ? jQuery.makeArray( data ) : [];
      data.unshift( event );

      // Allow special events to draw outside the lines
      special = jQuery.event.special[ type ] || {};
      if ( special.trigger && special.trigger.apply( elem, data ) === false ) {
        return;
      }

      // Determine event propagation path in advance, per W3C events spec (#9951)
      // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
      eventPath = [[ elem, special.bindType || type ]];
      if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {

        bubbleType = special.delegateType || type;
        cur = rfocusMorph.test( bubbleType + type ) ? elem : elem.parentNode;
        for ( old = elem; cur; cur = cur.parentNode ) {
          eventPath.push([ cur, bubbleType ]);
          old = cur;
        }

        // Only add window if we got to document (e.g., not plain obj or detached DOM)
        if ( old === (elem.ownerDocument || document) ) {
          eventPath.push([ old.defaultView || old.parentWindow || window, bubbleType ]);
        }
      }

      // Fire handlers on the event path
      for ( i = 0; i < eventPath.length && !event.isPropagationStopped(); i++ ) {

        cur = eventPath[i][0];
        event.type = eventPath[i][1];

        handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
        if ( handle ) {
          handle.apply( cur, data );
        }
        // Note that this is a bare JS function and not a jQuery handler
        handle = ontype && cur[ ontype ];
        if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
          event.preventDefault();
        }
      }
      event.type = type;

      // If nobody prevented the default action, do it now
      if ( !onlyHandlers && !event.isDefaultPrevented() ) {

        if ( (!special._default || special._default.apply( elem.ownerDocument, data ) === false) &&
          !(type === "click" && jQuery.nodeName( elem, "a" )) && jQuery.acceptData( elem ) ) {

          // Call a native DOM method on the target with the same name name as the event.
          // Can't use an .isFunction() check here because IE6/7 fails that test.
          // Don't do default actions on window, that's where global variables be (#6170)
          // IE<9 dies on focus/blur to hidden element (#1486)
          if ( ontype && elem[ type ] && ((type !== "focus" && type !== "blur") || event.target.offsetWidth !== 0) && !jQuery.isWindow( elem ) ) {

            // Don't re-trigger an onFOO event when we call its FOO() method
            old = elem[ ontype ];

            if ( old ) {
              elem[ ontype ] = null;
            }

            // Prevent re-triggering of the same event, since we already bubbled it above
            jQuery.event.triggered = type;
            elem[ type ]();
            jQuery.event.triggered = undefined;

            if ( old ) {
              elem[ ontype ] = old;
            }
          }
        }
      }

      return event.result;
    },

    dispatch: function( event ) {

      // Make a writable jQuery.Event from the native event object
      event = jQuery.event.fix( event || window.event );

      var i, j, cur, ret, selMatch, matched, matches, handleObj, sel, related,
        handlers = ( (jQuery._data( this, "events" ) || {} )[ event.type ] || []),
        delegateCount = handlers.delegateCount,
        args = core_slice.call( arguments ),
        run_all = !event.exclusive && !event.namespace,
        special = jQuery.event.special[ event.type ] || {},
        handlerQueue = [];

      // Use the fix-ed jQuery.Event rather than the (read-only) native event
      args[0] = event;
      event.delegateTarget = this;

      // Call the preDispatch hook for the mapped type, and let it bail if desired
      if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
        return;
      }

      // Determine handlers that should run if there are delegated events
      // Avoid non-left-click bubbling in Firefox (#3861)
      if ( delegateCount && !(event.button && event.type === "click") ) {

        for ( cur = event.target; cur != this; cur = cur.parentNode || this ) {

          // Don't process clicks (ONLY) on disabled elements (#6911, #8165, #11382, #11764)
          if ( cur.disabled !== true || event.type !== "click" ) {
            selMatch = {};
            matches = [];
            for ( i = 0; i < delegateCount; i++ ) {
              handleObj = handlers[ i ];
              sel = handleObj.selector;

              if ( selMatch[ sel ] === undefined ) {
                selMatch[ sel ] = handleObj.needsContext ?
                  jQuery( sel, this ).index( cur ) >= 0 :
                  jQuery.find( sel, this, null, [ cur ] ).length;
              }
              if ( selMatch[ sel ] ) {
                matches.push( handleObj );
              }
            }
            if ( matches.length ) {
              handlerQueue.push({ elem: cur, matches: matches });
            }
          }
        }
      }

      // Add the remaining (directly-bound) handlers
      if ( handlers.length > delegateCount ) {
        handlerQueue.push({ elem: this, matches: handlers.slice( delegateCount ) });
      }

      // Run delegates first; they may want to stop propagation beneath us
      for ( i = 0; i < handlerQueue.length && !event.isPropagationStopped(); i++ ) {
        matched = handlerQueue[ i ];
        event.currentTarget = matched.elem;

        for ( j = 0; j < matched.matches.length && !event.isImmediatePropagationStopped(); j++ ) {
          handleObj = matched.matches[ j ];

          // Triggered event must either 1) be non-exclusive and have no namespace, or
          // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
          if ( run_all || (!event.namespace && !handleObj.namespace) || event.namespace_re && event.namespace_re.test( handleObj.namespace ) ) {

            event.data = handleObj.data;
            event.handleObj = handleObj;

            ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
              .apply( matched.elem, args );

            if ( ret !== undefined ) {
              event.result = ret;
              if ( ret === false ) {
                event.preventDefault();
                event.stopPropagation();
              }
            }
          }
        }
      }

      // Call the postDispatch hook for the mapped type
      if ( special.postDispatch ) {
        special.postDispatch.call( this, event );
      }

      return event.result;
    },

    // Includes some event props shared by KeyEvent and MouseEvent
    // *** attrChange attrName relatedNode srcElement  are not normalized, non-W3C, deprecated, will be removed in 1.8 ***
    props: "attrChange attrName relatedNode srcElement altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),

    fixHooks: {},

    keyHooks: {
      props: "char charCode key keyCode".split(" "),
      filter: function( event, original ) {

        // Add which for key events
        if ( event.which == null ) {
          event.which = original.charCode != null ? original.charCode : original.keyCode;
        }

        return event;
      }
    },

    mouseHooks: {
      props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
      filter: function( event, original ) {
        var eventDoc, doc, body,
          button = original.button,
          fromElement = original.fromElement;

        // Calculate pageX/Y if missing and clientX/Y available
        if ( event.pageX == null && original.clientX != null ) {
          eventDoc = event.target.ownerDocument || document;
          doc = eventDoc.documentElement;
          body = eventDoc.body;

          event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
          event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
        }

        // Add relatedTarget, if necessary
        if ( !event.relatedTarget && fromElement ) {
          event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
        }

        // Add which for click: 1 === left; 2 === middle; 3 === right
        // Note: button is not normalized, so don't use it
        if ( !event.which && button !== undefined ) {
          event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
        }

        return event;
      }
    },

    fix: function( event ) {
      if ( event[ jQuery.expando ] ) {
        return event;
      }

      // Create a writable copy of the event object and normalize some properties
      var i, prop,
        originalEvent = event,
        fixHook = jQuery.event.fixHooks[ event.type ] || {},
        copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;

      event = jQuery.Event( originalEvent );

      for ( i = copy.length; i; ) {
        prop = copy[ --i ];
        event[ prop ] = originalEvent[ prop ];
      }

      // Fix target property, if necessary (#1925, IE 6/7/8 & Safari2)
      if ( !event.target ) {
        event.target = originalEvent.srcElement || document;
      }

      // Target should not be a text node (#504, Safari)
      if ( event.target.nodeType === 3 ) {
        event.target = event.target.parentNode;
      }

      // For mouse/key events, metaKey==false if it's undefined (#3368, #11328; IE6/7/8)
      event.metaKey = !!event.metaKey;

      return fixHook.filter? fixHook.filter( event, originalEvent ) : event;
    },

    special: {
      load: {
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },

      focus: {
        delegateType: "focusin"
      },
      blur: {
        delegateType: "focusout"
      },

      beforeunload: {
        setup: function( data, namespaces, eventHandle ) {
          // We only want to do this special case on windows
          if ( jQuery.isWindow( this ) ) {
            this.onbeforeunload = eventHandle;
          }
        },

        teardown: function( namespaces, eventHandle ) {
          if ( this.onbeforeunload === eventHandle ) {
            this.onbeforeunload = null;
          }
        }
      }
    },

    simulate: function( type, elem, event, bubble ) {
      // Piggyback on a donor event to simulate a different one.
      // Fake originalEvent to avoid donor's stopPropagation, but if the
      // simulated event prevents default then we do the same on the donor.
      var e = jQuery.extend(
        new jQuery.Event(),
        event,
        { type: type,
          isSimulated: true,
          originalEvent: {}
        }
      );
      if ( bubble ) {
        jQuery.event.trigger( e, null, elem );
      } else {
        jQuery.event.dispatch.call( elem, e );
      }
      if ( e.isDefaultPrevented() ) {
        event.preventDefault();
      }
    }
  };

// Some plugins are using, but it's undocumented/deprecated and will be removed.
// The 1.7 special event interface should provide all the hooks needed now.
  jQuery.event.handle = jQuery.event.dispatch;

  jQuery.removeEvent = document.removeEventListener ?
    function( elem, type, handle ) {
      if ( elem.removeEventListener ) {
        elem.removeEventListener( type, handle, false );
      }
    } :
    function( elem, type, handle ) {
      var name = "on" + type;

      if ( elem.detachEvent ) {

        // #8545, #7054, preventing memory leaks for custom events in IE6-8
        // detachEvent needed property on element, by name of that event, to properly expose it to GC
        if ( typeof elem[ name ] === "undefined" ) {
          elem[ name ] = null;
        }

        elem.detachEvent( name, handle );
      }
    };

  jQuery.Event = function( src, props ) {
    // Allow instantiation without the 'new' keyword
    if ( !(this instanceof jQuery.Event) ) {
      return new jQuery.Event( src, props );
    }

    // Event object
    if ( src && src.type ) {
      this.originalEvent = src;
      this.type = src.type;

      // Events bubbling up the document may have been marked as prevented
      // by a handler lower down the tree; reflect the correct value.
      this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
        src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;

      // Event type
    } else {
      this.type = src;
    }

    // Put explicitly provided properties onto the event object
    if ( props ) {
      jQuery.extend( this, props );
    }

    // Create a timestamp if incoming event doesn't have one
    this.timeStamp = src && src.timeStamp || jQuery.now();

    // Mark it as fixed
    this[ jQuery.expando ] = true;
  };

  function returnFalse() {
    return false;
  }
  function returnTrue() {
    return true;
  }

// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
    preventDefault: function() {
      this.isDefaultPrevented = returnTrue;

      var e = this.originalEvent;
      if ( !e ) {
        return;
      }

      // if preventDefault exists run it on the original event
      if ( e.preventDefault ) {
        e.preventDefault();

        // otherwise set the returnValue property of the original event to false (IE)
      } else {
        e.returnValue = false;
      }
    },
    stopPropagation: function() {
      this.isPropagationStopped = returnTrue;

      var e = this.originalEvent;
      if ( !e ) {
        return;
      }
      // if stopPropagation exists run it on the original event
      if ( e.stopPropagation ) {
        e.stopPropagation();
      }
      // otherwise set the cancelBubble property of the original event to true (IE)
      e.cancelBubble = true;
    },
    stopImmediatePropagation: function() {
      this.isImmediatePropagationStopped = returnTrue;
      this.stopPropagation();
    },
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse
  };

// Create mouseenter/leave events using mouseover/out and event-time checks
  jQuery.each({
    mouseenter: "mouseover",
    mouseleave: "mouseout"
  }, function( orig, fix ) {
    jQuery.event.special[ orig ] = {
      delegateType: fix,
      bindType: fix,

      handle: function( event ) {
        var ret,
          target = this,
          related = event.relatedTarget,
          handleObj = event.handleObj,
          selector = handleObj.selector;

        // For mousenter/leave call the handler if related is outside the target.
        // NB: No relatedTarget if the mouse left/entered the browser window
        if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
          event.type = handleObj.origType;
          ret = handleObj.handler.apply( this, arguments );
          event.type = fix;
        }
        return ret;
      }
    };
  });

// IE submit delegation
  if ( !jQuery.support.submitBubbles ) {

    jQuery.event.special.submit = {
      setup: function() {
        // Only need this for delegated form submit events
        if ( jQuery.nodeName( this, "form" ) ) {
          return false;
        }

        // Lazy-add a submit handler when a descendant form may potentially be submitted
        jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
          // Node name check avoids a VML-related crash in IE (#9807)
          var elem = e.target,
            form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
          if ( form && !jQuery._data( form, "_submit_attached" ) ) {
            jQuery.event.add( form, "submit._submit", function( event ) {
              event._submit_bubble = true;
            });
            jQuery._data( form, "_submit_attached", true );
          }
        });
        // return undefined since we don't need an event listener
      },

      postDispatch: function( event ) {
        // If form was submitted by the user, bubble the event up the tree
        if ( event._submit_bubble ) {
          delete event._submit_bubble;
          if ( this.parentNode && !event.isTrigger ) {
            jQuery.event.simulate( "submit", this.parentNode, event, true );
          }
        }
      },

      teardown: function() {
        // Only need this for delegated form submit events
        if ( jQuery.nodeName( this, "form" ) ) {
          return false;
        }

        // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
        jQuery.event.remove( this, "._submit" );
      }
    };
  }

// IE change delegation and checkbox/radio fix
  if ( !jQuery.support.changeBubbles ) {

    jQuery.event.special.change = {

      setup: function() {

        if ( rformElems.test( this.nodeName ) ) {
          // IE doesn't fire change on a check/radio until blur; trigger it on click
          // after a propertychange. Eat the blur-change in special.change.handle.
          // This still fires onchange a second time for check/radio after blur.
          if ( this.type === "checkbox" || this.type === "radio" ) {
            jQuery.event.add( this, "propertychange._change", function( event ) {
              if ( event.originalEvent.propertyName === "checked" ) {
                this._just_changed = true;
              }
            });
            jQuery.event.add( this, "click._change", function( event ) {
              if ( this._just_changed && !event.isTrigger ) {
                this._just_changed = false;
              }
              // Allow triggered, simulated change events (#11500)
              jQuery.event.simulate( "change", this, event, true );
            });
          }
          return false;
        }
        // Delegated event; lazy-add a change handler on descendant inputs
        jQuery.event.add( this, "beforeactivate._change", function( e ) {
          var elem = e.target;

          if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "_change_attached" ) ) {
            jQuery.event.add( elem, "change._change", function( event ) {
              if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
                jQuery.event.simulate( "change", this.parentNode, event, true );
              }
            });
            jQuery._data( elem, "_change_attached", true );
          }
        });
      },

      handle: function( event ) {
        var elem = event.target;

        // Swallow native change events from checkbox/radio, we already triggered them above
        if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
          return event.handleObj.handler.apply( this, arguments );
        }
      },

      teardown: function() {
        jQuery.event.remove( this, "._change" );

        return !rformElems.test( this.nodeName );
      }
    };
  }

// Create "bubbling" focus and blur events
  if ( !jQuery.support.focusinBubbles ) {
    jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {

      // Attach a single capturing handler while someone wants focusin/focusout
      var attaches = 0,
        handler = function( event ) {
          jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
        };

      jQuery.event.special[ fix ] = {
        setup: function() {
          if ( attaches++ === 0 ) {
            document.addEventListener( orig, handler, true );
          }
        },
        teardown: function() {
          if ( --attaches === 0 ) {
            document.removeEventListener( orig, handler, true );
          }
        }
      };
    });
  }

  jQuery.fn.extend({

    on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
      var origFn, type;

      // Types can be a map of types/handlers
      if ( typeof types === "object" ) {
        // ( types-Object, selector, data )
        if ( typeof selector !== "string" ) { // && selector != null
          // ( types-Object, data )
          data = data || selector;
          selector = undefined;
        }
        for ( type in types ) {
          this.on( type, selector, data, types[ type ], one );
        }
        return this;
      }

      if ( data == null && fn == null ) {
        // ( types, fn )
        fn = selector;
        data = selector = undefined;
      } else if ( fn == null ) {
        if ( typeof selector === "string" ) {
          // ( types, selector, fn )
          fn = data;
          data = undefined;
        } else {
          // ( types, data, fn )
          fn = data;
          data = selector;
          selector = undefined;
        }
      }
      if ( fn === false ) {
        fn = returnFalse;
      } else if ( !fn ) {
        return this;
      }

      if ( one === 1 ) {
        origFn = fn;
        fn = function( event ) {
          // Can use an empty set, since event contains the info
          jQuery().off( event );
          return origFn.apply( this, arguments );
        };
        // Use same guid so caller can remove using origFn
        fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
      }
      return this.each( function() {
        jQuery.event.add( this, types, fn, data, selector );
      });
    },
    one: function( types, selector, data, fn ) {
      return this.on( types, selector, data, fn, 1 );
    },
    off: function( types, selector, fn ) {
      var handleObj, type;
      if ( types && types.preventDefault && types.handleObj ) {
        // ( event )  dispatched jQuery.Event
        handleObj = types.handleObj;
        jQuery( types.delegateTarget ).off(
          handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
          handleObj.selector,
          handleObj.handler
        );
        return this;
      }
      if ( typeof types === "object" ) {
        // ( types-object [, selector] )
        for ( type in types ) {
          this.off( type, selector, types[ type ] );
        }
        return this;
      }
      if ( selector === false || typeof selector === "function" ) {
        // ( types [, fn] )
        fn = selector;
        selector = undefined;
      }
      if ( fn === false ) {
        fn = returnFalse;
      }
      return this.each(function() {
        jQuery.event.remove( this, types, fn, selector );
      });
    },

    bind: function( types, data, fn ) {
      return this.on( types, null, data, fn );
    },
    unbind: function( types, fn ) {
      return this.off( types, null, fn );
    },

    live: function( types, data, fn ) {
      jQuery( this.context ).on( types, this.selector, data, fn );
      return this;
    },
    die: function( types, fn ) {
      jQuery( this.context ).off( types, this.selector || "**", fn );
      return this;
    },

    delegate: function( selector, types, data, fn ) {
      return this.on( types, selector, data, fn );
    },
    undelegate: function( selector, types, fn ) {
      // ( namespace ) or ( selector, types [, fn] )
      return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
    },

    trigger: function( type, data ) {
      return this.each(function() {
        jQuery.event.trigger( type, data, this );
      });
    },
    triggerHandler: function( type, data ) {
      if ( this[0] ) {
        return jQuery.event.trigger( type, data, this[0], true );
      }
    },

    toggle: function( fn ) {
      // Save reference to arguments for access in closure
      var args = arguments,
        guid = fn.guid || jQuery.guid++,
        i = 0,
        toggler = function( event ) {
          // Figure out which function to execute
          var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
          jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );

          // Make sure that clicks stop
          event.preventDefault();

          // and execute the function
          return args[ lastToggle ].apply( this, arguments ) || false;
        };

      // link all the functions, so any of them can unbind this click handler
      toggler.guid = guid;
      while ( i < args.length ) {
        args[ i++ ].guid = guid;
      }

      return this.click( toggler );
    },

    hover: function( fnOver, fnOut ) {
      return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
    }
  });

  jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
    "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
    "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {

    // Handle event binding
    jQuery.fn[ name ] = function( data, fn ) {
      if ( fn == null ) {
        fn = data;
        data = null;
      }

      return arguments.length > 0 ?
        this.on( name, null, data, fn ) :
        this.trigger( name );
    };

    if ( rkeyEvent.test( name ) ) {
      jQuery.event.fixHooks[ name ] = jQuery.event.keyHooks;
    }

    if ( rmouseEvent.test( name ) ) {
      jQuery.event.fixHooks[ name ] = jQuery.event.mouseHooks;
    }
  });
  /*!
   * Sizzle CSS Selector Engine
   * Copyright 2012 jQuery Foundation and other contributors
   * Released under the MIT license
   * http://sizzlejs.com/
   */
  (function( window, undefined ) {

    var cachedruns,
      assertGetIdNotName,
      Expr,
      getText,
      isXML,
      contains,
      compile,
      sortOrder,
      hasDuplicate,
      outermostContext,

      baseHasDuplicate = true,
      strundefined = "undefined",

      expando = ( "sizcache" + Math.random() ).replace( ".", "" ),

      Token = String,
      document = window.document,
      docElem = document.documentElement,
      dirruns = 0,
      done = 0,
      pop = [].pop,
      push = [].push,
      slice = [].slice,
    // Use a stripped-down indexOf if a native one is unavailable
      indexOf = [].indexOf || function( elem ) {
        var i = 0,
          len = this.length;
        for ( ; i < len; i++ ) {
          if ( this[i] === elem ) {
            return i;
          }
        }
        return -1;
      },

    // Augment a function for special use by Sizzle
      markFunction = function( fn, value ) {
        fn[ expando ] = value == null || value;
        return fn;
      },

      createCache = function() {
        var cache = {},
          keys = [];

        return markFunction(function( key, value ) {
          // Only keep the most recent entries
          if ( keys.push( key ) > Expr.cacheLength ) {
            delete cache[ keys.shift() ];
          }

          // Retrieve with (key + " ") to avoid collision with native Object.prototype properties (see Issue #157)
          return (cache[ key + " " ] = value);
        }, cache );
      },

      classCache = createCache(),
      tokenCache = createCache(),
      compilerCache = createCache(),

    // Regex

    // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
      whitespace = "[\\x20\\t\\r\\n\\f]",
    // http://www.w3.org/TR/css3-syntax/#characters
      characterEncoding = "(?:\\\\.|[-\\w]|[^\\x00-\\xa0])+",

    // Loosely modeled on CSS identifier characters
    // An unquoted value should be a CSS identifier (http://www.w3.org/TR/css3-selectors/#attribute-selectors)
    // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
      identifier = characterEncoding.replace( "w", "w#" ),

    // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
      operators = "([*^$|!~]?=)",
      attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
        "*(?:" + operators + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",

    // Prefer arguments not in parens/brackets,
    //   then attribute selectors and non-pseudos (denoted by :),
    //   then anything else
    // These preferences are here to reduce the number of selectors
    //   needing tokenize in the PSEUDO preFilter
      pseudos = ":(" + characterEncoding + ")(?:\\((?:(['\"])((?:\\\\.|[^\\\\])*?)\\2|([^()[\\]]*|(?:(?:" + attributes + ")|[^:]|\\\\.)*|.*))\\)|)",

    // For matchExpr.POS and matchExpr.needsContext
      pos = ":(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
        "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)",

    // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
      rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),

      rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
      rcombinators = new RegExp( "^" + whitespace + "*([\\x20\\t\\r\\n\\f>+~])" + whitespace + "*" ),
      rpseudo = new RegExp( pseudos ),

    // Easily-parseable/retrievable ID or TAG or CLASS selectors
      rquickExpr = /^(?:#([\w\-]+)|(\w+)|\.([\w\-]+))$/,

      rnot = /^:not/,
      rsibling = /[\x20\t\r\n\f]*[+~]/,
      rendsWithNot = /:not\($/,

      rheader = /h\d/i,
      rinputs = /input|select|textarea|button/i,

      rbackslash = /\\(?!\\)/g,

      matchExpr = {
        "ID": new RegExp( "^#(" + characterEncoding + ")" ),
        "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
        "NAME": new RegExp( "^\\[name=['\"]?(" + characterEncoding + ")['\"]?\\]" ),
        "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
        "ATTR": new RegExp( "^" + attributes ),
        "PSEUDO": new RegExp( "^" + pseudos ),
        "POS": new RegExp( pos, "i" ),
        "CHILD": new RegExp( "^:(only|nth|first|last)-child(?:\\(" + whitespace +
          "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
          "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
        // For use in libraries implementing .is()
        "needsContext": new RegExp( "^" + whitespace + "*[>+~]|" + pos, "i" )
      },

    // Support

    // Used for testing something on an element
      assert = function( fn ) {
        var div = document.createElement("div");

        try {
          return fn( div );
        } catch (e) {
          return false;
        } finally {
          // release memory in IE
          div = null;
        }
      },

    // Check if getElementsByTagName("*") returns only elements
      assertTagNameNoComments = assert(function( div ) {
        div.appendChild( document.createComment("") );
        return !div.getElementsByTagName("*").length;
      }),

    // Check if getAttribute returns normalized href attributes
      assertHrefNotNormalized = assert(function( div ) {
        div.innerHTML = "<a href='#'></a>";
        return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&
          div.firstChild.getAttribute("href") === "#";
      }),

    // Check if attributes should be retrieved by attribute nodes
      assertAttributes = assert(function( div ) {
        div.innerHTML = "<select></select>";
        var type = typeof div.lastChild.getAttribute("multiple");
        // IE8 returns a string for some attributes even when not present
        return type !== "boolean" && type !== "string";
      }),

    // Check if getElementsByClassName can be trusted
      assertUsableClassName = assert(function( div ) {
        // Opera can't find a second classname (in 9.6)
        div.innerHTML = "<div class='hidden e'></div><div class='hidden'></div>";
        if ( !div.getElementsByClassName || !div.getElementsByClassName("e").length ) {
          return false;
        }

        // Safari 3.2 caches class attributes and doesn't catch changes
        div.lastChild.className = "e";
        return div.getElementsByClassName("e").length === 2;
      }),

    // Check if getElementById returns elements by name
    // Check if getElementsByName privileges form controls or returns elements by ID
      assertUsableName = assert(function( div ) {
        // Inject content
        div.id = expando + 0;
        div.innerHTML = "<a name='" + expando + "'></a><div name='" + expando + "'></div>";
        docElem.insertBefore( div, docElem.firstChild );

        // Test
        var pass = document.getElementsByName &&
          // buggy browsers will return fewer than the correct 2
          document.getElementsByName( expando ).length === 2 +
            // buggy browsers will return more than the correct 0
            document.getElementsByName( expando + 0 ).length;
        assertGetIdNotName = !document.getElementById( expando );

        // Cleanup
        docElem.removeChild( div );

        return pass;
      });

// If slice is not available, provide a backup
    try {
      slice.call( docElem.childNodes, 0 )[0].nodeType;
    } catch ( e ) {
      slice = function( i ) {
        var elem,
          results = [];
        for ( ; (elem = this[i]); i++ ) {
          results.push( elem );
        }
        return results;
      };
    }

    function Sizzle( selector, context, results, seed ) {
      results = results || [];
      context = context || document;
      var match, elem, xml, m,
        nodeType = context.nodeType;

      if ( !selector || typeof selector !== "string" ) {
        return results;
      }

      if ( nodeType !== 1 && nodeType !== 9 ) {
        return [];
      }

      xml = isXML( context );

      if ( !xml && !seed ) {
        if ( (match = rquickExpr.exec( selector )) ) {
          // Speed-up: Sizzle("#ID")
          if ( (m = match[1]) ) {
            if ( nodeType === 9 ) {
              elem = context.getElementById( m );
              // Check parentNode to catch when Blackberry 4.6 returns
              // nodes that are no longer in the document #6963
              if ( elem && elem.parentNode ) {
                // Handle the case where IE, Opera, and Webkit return items
                // by name instead of ID
                if ( elem.id === m ) {
                  results.push( elem );
                  return results;
                }
              } else {
                return results;
              }
            } else {
              // Context is not a document
              if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
                contains( context, elem ) && elem.id === m ) {
                results.push( elem );
                return results;
              }
            }

            // Speed-up: Sizzle("TAG")
          } else if ( match[2] ) {
            push.apply( results, slice.call(context.getElementsByTagName( selector ), 0) );
            return results;

            // Speed-up: Sizzle(".CLASS")
          } else if ( (m = match[3]) && assertUsableClassName && context.getElementsByClassName ) {
            push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );
            return results;
          }
        }
      }

      // All others
      return select( selector.replace( rtrim, "$1" ), context, results, seed, xml );
    }

    Sizzle.matches = function( expr, elements ) {
      return Sizzle( expr, null, null, elements );
    };

    Sizzle.matchesSelector = function( elem, expr ) {
      return Sizzle( expr, null, null, [ elem ] ).length > 0;
    };

// Returns a function to use in pseudos for input types
    function createInputPseudo( type ) {
      return function( elem ) {
        var name = elem.nodeName.toLowerCase();
        return name === "input" && elem.type === type;
      };
    }

// Returns a function to use in pseudos for buttons
    function createButtonPseudo( type ) {
      return function( elem ) {
        var name = elem.nodeName.toLowerCase();
        return (name === "input" || name === "button") && elem.type === type;
      };
    }

// Returns a function to use in pseudos for positionals
    function createPositionalPseudo( fn ) {
      return markFunction(function( argument ) {
        argument = +argument;
        return markFunction(function( seed, matches ) {
          var j,
            matchIndexes = fn( [], seed.length, argument ),
            i = matchIndexes.length;

          // Match elements found at the specified indexes
          while ( i-- ) {
            if ( seed[ (j = matchIndexes[i]) ] ) {
              seed[j] = !(matches[j] = seed[j]);
            }
          }
        });
      });
    }

    /**
     * Utility function for retrieving the text value of an array of DOM nodes
     * @param {Array|Element} elem
     */
    getText = Sizzle.getText = function( elem ) {
      var node,
        ret = "",
        i = 0,
        nodeType = elem.nodeType;

      if ( nodeType ) {
        if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
          // Use textContent for elements
          // innerText usage removed for consistency of new lines (see #11153)
          if ( typeof elem.textContent === "string" ) {
            return elem.textContent;
          } else {
            // Traverse its children
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
              ret += getText( elem );
            }
          }
        } else if ( nodeType === 3 || nodeType === 4 ) {
          return elem.nodeValue;
        }
        // Do not include comment or processing instruction nodes
      } else {

        // If no nodeType, this is expected to be an array
        for ( ; (node = elem[i]); i++ ) {
          // Do not traverse comment nodes
          ret += getText( node );
        }
      }
      return ret;
    };

    isXML = Sizzle.isXML = function( elem ) {
      // documentElement is verified for cases where it doesn't yet exist
      // (such as loading iframes in IE - #4833)
      var documentElement = elem && (elem.ownerDocument || elem).documentElement;
      return documentElement ? documentElement.nodeName !== "HTML" : false;
    };

// Element contains another
    contains = Sizzle.contains = docElem.contains ?
      function( a, b ) {
        var adown = a.nodeType === 9 ? a.documentElement : a,
          bup = b && b.parentNode;
        return a === bup || !!( bup && bup.nodeType === 1 && adown.contains && adown.contains(bup) );
      } :
      docElem.compareDocumentPosition ?
        function( a, b ) {
          return b && !!( a.compareDocumentPosition( b ) & 16 );
        } :
        function( a, b ) {
          while ( (b = b.parentNode) ) {
            if ( b === a ) {
              return true;
            }
          }
          return false;
        };

    Sizzle.attr = function( elem, name ) {
      var val,
        xml = isXML( elem );

      if ( !xml ) {
        name = name.toLowerCase();
      }
      if ( (val = Expr.attrHandle[ name ]) ) {
        return val( elem );
      }
      if ( xml || assertAttributes ) {
        return elem.getAttribute( name );
      }
      val = elem.getAttributeNode( name );
      return val ?
        typeof elem[ name ] === "boolean" ?
          elem[ name ] ? name : null :
          val.specified ? val.value : null :
        null;
    };

    Expr = Sizzle.selectors = {

      // Can be adjusted by the user
      cacheLength: 50,

      createPseudo: markFunction,

      match: matchExpr,

      // IE6/7 return a modified href
      attrHandle: assertHrefNotNormalized ?
      {} :
      {
        "href": function( elem ) {
          return elem.getAttribute( "href", 2 );
        },
        "type": function( elem ) {
          return elem.getAttribute("type");
        }
      },

      find: {
        "ID": assertGetIdNotName ?
          function( id, context, xml ) {
            if ( typeof context.getElementById !== strundefined && !xml ) {
              var m = context.getElementById( id );
              // Check parentNode to catch when Blackberry 4.6 returns
              // nodes that are no longer in the document #6963
              return m && m.parentNode ? [m] : [];
            }
          } :
          function( id, context, xml ) {
            if ( typeof context.getElementById !== strundefined && !xml ) {
              var m = context.getElementById( id );

              return m ?
                m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?
                  [m] :
                  undefined :
                [];
            }
          },

        "TAG": assertTagNameNoComments ?
          function( tag, context ) {
            if ( typeof context.getElementsByTagName !== strundefined ) {
              return context.getElementsByTagName( tag );
            }
          } :
          function( tag, context ) {
            var results = context.getElementsByTagName( tag );

            // Filter out possible comments
            if ( tag === "*" ) {
              var elem,
                tmp = [],
                i = 0;

              for ( ; (elem = results[i]); i++ ) {
                if ( elem.nodeType === 1 ) {
                  tmp.push( elem );
                }
              }

              return tmp;
            }
            return results;
          },

        "NAME": assertUsableName && function( tag, context ) {
          if ( typeof context.getElementsByName !== strundefined ) {
            return context.getElementsByName( name );
          }
        },

        "CLASS": assertUsableClassName && function( className, context, xml ) {
          if ( typeof context.getElementsByClassName !== strundefined && !xml ) {
            return context.getElementsByClassName( className );
          }
        }
      },

      relative: {
        ">": { dir: "parentNode", first: true },
        " ": { dir: "parentNode" },
        "+": { dir: "previousSibling", first: true },
        "~": { dir: "previousSibling" }
      },

      preFilter: {
        "ATTR": function( match ) {
          match[1] = match[1].replace( rbackslash, "" );

          // Move the given value to match[3] whether quoted or unquoted
          match[3] = ( match[4] || match[5] || "" ).replace( rbackslash, "" );

          if ( match[2] === "~=" ) {
            match[3] = " " + match[3] + " ";
          }

          return match.slice( 0, 4 );
        },

        "CHILD": function( match ) {
          /* matches from matchExpr["CHILD"]
           1 type (only|nth|...)
           2 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
           3 xn-component of xn+y argument ([+-]?\d*n|)
           4 sign of xn-component
           5 x of xn-component
           6 sign of y-component
           7 y of y-component
           */
          match[1] = match[1].toLowerCase();

          if ( match[1] === "nth" ) {
            // nth-child requires argument
            if ( !match[2] ) {
              Sizzle.error( match[0] );
            }

            // numeric x and y parameters for Expr.filter.CHILD
            // remember that false/true cast respectively to 0/1
            match[3] = +( match[3] ? match[4] + (match[5] || 1) : 2 * ( match[2] === "even" || match[2] === "odd" ) );
            match[4] = +( ( match[6] + match[7] ) || match[2] === "odd" );

            // other types prohibit arguments
          } else if ( match[2] ) {
            Sizzle.error( match[0] );
          }

          return match;
        },

        "PSEUDO": function( match ) {
          var unquoted, excess;
          if ( matchExpr["CHILD"].test( match[0] ) ) {
            return null;
          }

          if ( match[3] ) {
            match[2] = match[3];
          } else if ( (unquoted = match[4]) ) {
            // Only check arguments that contain a pseudo
            if ( rpseudo.test(unquoted) &&
              // Get excess from tokenize (recursively)
              (excess = tokenize( unquoted, true )) &&
              // advance to the next closing parenthesis
              (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {

              // excess is a negative index
              unquoted = unquoted.slice( 0, excess );
              match[0] = match[0].slice( 0, excess );
            }
            match[2] = unquoted;
          }

          // Return only captures needed by the pseudo filter method (type and argument)
          return match.slice( 0, 3 );
        }
      },

      filter: {
        "ID": assertGetIdNotName ?
          function( id ) {
            id = id.replace( rbackslash, "" );
            return function( elem ) {
              return elem.getAttribute("id") === id;
            };
          } :
          function( id ) {
            id = id.replace( rbackslash, "" );
            return function( elem ) {
              var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
              return node && node.value === id;
            };
          },

        "TAG": function( nodeName ) {
          if ( nodeName === "*" ) {
            return function() { return true; };
          }
          nodeName = nodeName.replace( rbackslash, "" ).toLowerCase();

          return function( elem ) {
            return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
          };
        },

        "CLASS": function( className ) {
          var pattern = classCache[ expando ][ className + " " ];

          return pattern ||
            (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
              classCache( className, function( elem ) {
                return pattern.test( elem.className || (typeof elem.getAttribute !== strundefined && elem.getAttribute("class")) || "" );
              });
        },

        "ATTR": function( name, operator, check ) {
          return function( elem, context ) {
            var result = Sizzle.attr( elem, name );

            if ( result == null ) {
              return operator === "!=";
            }
            if ( !operator ) {
              return true;
            }

            result += "";

            return operator === "=" ? result === check :
              operator === "!=" ? result !== check :
                operator === "^=" ? check && result.indexOf( check ) === 0 :
                  operator === "*=" ? check && result.indexOf( check ) > -1 :
                    operator === "$=" ? check && result.substr( result.length - check.length ) === check :
                      operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
                        operator === "|=" ? result === check || result.substr( 0, check.length + 1 ) === check + "-" :
                          false;
          };
        },

        "CHILD": function( type, argument, first, last ) {

          if ( type === "nth" ) {
            return function( elem ) {
              var node, diff,
                parent = elem.parentNode;

              if ( first === 1 && last === 0 ) {
                return true;
              }

              if ( parent ) {
                diff = 0;
                for ( node = parent.firstChild; node; node = node.nextSibling ) {
                  if ( node.nodeType === 1 ) {
                    diff++;
                    if ( elem === node ) {
                      break;
                    }
                  }
                }
              }

              // Incorporate the offset (or cast to NaN), then check against cycle size
              diff -= last;
              return diff === first || ( diff % first === 0 && diff / first >= 0 );
            };
          }

          return function( elem ) {
            var node = elem;

            switch ( type ) {
              case "only":
              case "first":
                while ( (node = node.previousSibling) ) {
                  if ( node.nodeType === 1 ) {
                    return false;
                  }
                }

                if ( type === "first" ) {
                  return true;
                }

                node = elem;

              /* falls through */
              case "last":
                while ( (node = node.nextSibling) ) {
                  if ( node.nodeType === 1 ) {
                    return false;
                  }
                }

                return true;
            }
          };
        },

        "PSEUDO": function( pseudo, argument ) {
          // pseudo-class names are case-insensitive
          // http://www.w3.org/TR/selectors/#pseudo-classes
          // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
          // Remember that setFilters inherits from pseudos
          var args,
            fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
              Sizzle.error( "unsupported pseudo: " + pseudo );

          // The user may use createPseudo to indicate that
          // arguments are needed to create the filter function
          // just as Sizzle does
          if ( fn[ expando ] ) {
            return fn( argument );
          }

          // But maintain support for old signatures
          if ( fn.length > 1 ) {
            args = [ pseudo, pseudo, "", argument ];
            return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
              markFunction(function( seed, matches ) {
                var idx,
                  matched = fn( seed, argument ),
                  i = matched.length;
                while ( i-- ) {
                  idx = indexOf.call( seed, matched[i] );
                  seed[ idx ] = !( matches[ idx ] = matched[i] );
                }
              }) :
              function( elem ) {
                return fn( elem, 0, args );
              };
          }

          return fn;
        }
      },

      pseudos: {
        "not": markFunction(function( selector ) {
          // Trim the selector passed to compile
          // to avoid treating leading and trailing
          // spaces as combinators
          var input = [],
            results = [],
            matcher = compile( selector.replace( rtrim, "$1" ) );

          return matcher[ expando ] ?
            markFunction(function( seed, matches, context, xml ) {
              var elem,
                unmatched = matcher( seed, null, xml, [] ),
                i = seed.length;

              // Match elements unmatched by `matcher`
              while ( i-- ) {
                if ( (elem = unmatched[i]) ) {
                  seed[i] = !(matches[i] = elem);
                }
              }
            }) :
            function( elem, context, xml ) {
              input[0] = elem;
              matcher( input, null, xml, results );
              return !results.pop();
            };
        }),

        "has": markFunction(function( selector ) {
          return function( elem ) {
            return Sizzle( selector, elem ).length > 0;
          };
        }),

        "contains": markFunction(function( text ) {
          return function( elem ) {
            return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
          };
        }),

        "enabled": function( elem ) {
          return elem.disabled === false;
        },

        "disabled": function( elem ) {
          return elem.disabled === true;
        },

        "checked": function( elem ) {
          // In CSS3, :checked should return both checked and selected elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          var nodeName = elem.nodeName.toLowerCase();
          return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
        },

        "selected": function( elem ) {
          // Accessing this property makes selected-by-default
          // options in Safari work properly
          if ( elem.parentNode ) {
            elem.parentNode.selectedIndex;
          }

          return elem.selected === true;
        },

        "parent": function( elem ) {
          return !Expr.pseudos["empty"]( elem );
        },

        "empty": function( elem ) {
          // http://www.w3.org/TR/selectors/#empty-pseudo
          // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
          //   not comment, processing instructions, or others
          // Thanks to Diego Perini for the nodeName shortcut
          //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
          var nodeType;
          elem = elem.firstChild;
          while ( elem ) {
            if ( elem.nodeName > "@" || (nodeType = elem.nodeType) === 3 || nodeType === 4 ) {
              return false;
            }
            elem = elem.nextSibling;
          }
          return true;
        },

        "header": function( elem ) {
          return rheader.test( elem.nodeName );
        },

        "text": function( elem ) {
          var type, attr;
          // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
          // use getAttribute instead to test this case
          return elem.nodeName.toLowerCase() === "input" &&
            (type = elem.type) === "text" &&
            ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === type );
        },

        // Input types
        "radio": createInputPseudo("radio"),
        "checkbox": createInputPseudo("checkbox"),
        "file": createInputPseudo("file"),
        "password": createInputPseudo("password"),
        "image": createInputPseudo("image"),

        "submit": createButtonPseudo("submit"),
        "reset": createButtonPseudo("reset"),

        "button": function( elem ) {
          var name = elem.nodeName.toLowerCase();
          return name === "input" && elem.type === "button" || name === "button";
        },

        "input": function( elem ) {
          return rinputs.test( elem.nodeName );
        },

        "focus": function( elem ) {
          var doc = elem.ownerDocument;
          return elem === doc.activeElement && (!doc.hasFocus || doc.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
        },

        "active": function( elem ) {
          return elem === elem.ownerDocument.activeElement;
        },

        // Positional types
        "first": createPositionalPseudo(function() {
          return [ 0 ];
        }),

        "last": createPositionalPseudo(function( matchIndexes, length ) {
          return [ length - 1 ];
        }),

        "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
          return [ argument < 0 ? argument + length : argument ];
        }),

        "even": createPositionalPseudo(function( matchIndexes, length ) {
          for ( var i = 0; i < length; i += 2 ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        }),

        "odd": createPositionalPseudo(function( matchIndexes, length ) {
          for ( var i = 1; i < length; i += 2 ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        }),

        "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
          for ( var i = argument < 0 ? argument + length : argument; --i >= 0; ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        }),

        "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
          for ( var i = argument < 0 ? argument + length : argument; ++i < length; ) {
            matchIndexes.push( i );
          }
          return matchIndexes;
        })
      }
    };

    function siblingCheck( a, b, ret ) {
      if ( a === b ) {
        return ret;
      }

      var cur = a.nextSibling;

      while ( cur ) {
        if ( cur === b ) {
          return -1;
        }

        cur = cur.nextSibling;
      }

      return 1;
    }

    sortOrder = docElem.compareDocumentPosition ?
      function( a, b ) {
        if ( a === b ) {
          hasDuplicate = true;
          return 0;
        }

        return ( !a.compareDocumentPosition || !b.compareDocumentPosition ?
          a.compareDocumentPosition :
          a.compareDocumentPosition(b) & 4
          ) ? -1 : 1;
      } :
      function( a, b ) {
        // The nodes are identical, we can exit early
        if ( a === b ) {
          hasDuplicate = true;
          return 0;

          // Fallback to using sourceIndex (in IE) if it's available on both nodes
        } else if ( a.sourceIndex && b.sourceIndex ) {
          return a.sourceIndex - b.sourceIndex;
        }

        var al, bl,
          ap = [],
          bp = [],
          aup = a.parentNode,
          bup = b.parentNode,
          cur = aup;

        // If the nodes are siblings (or identical) we can do a quick check
        if ( aup === bup ) {
          return siblingCheck( a, b );

          // If no parents were found then the nodes are disconnected
        } else if ( !aup ) {
          return -1;

        } else if ( !bup ) {
          return 1;
        }

        // Otherwise they're somewhere else in the tree so we need
        // to build up a full list of the parentNodes for comparison
        while ( cur ) {
          ap.unshift( cur );
          cur = cur.parentNode;
        }

        cur = bup;

        while ( cur ) {
          bp.unshift( cur );
          cur = cur.parentNode;
        }

        al = ap.length;
        bl = bp.length;

        // Start walking down the tree looking for a discrepancy
        for ( var i = 0; i < al && i < bl; i++ ) {
          if ( ap[i] !== bp[i] ) {
            return siblingCheck( ap[i], bp[i] );
          }
        }

        // We ended someplace up the tree so do a sibling check
        return i === al ?
          siblingCheck( a, bp[i], -1 ) :
          siblingCheck( ap[i], b, 1 );
      };

// Always assume the presence of duplicates if sort doesn't
// pass them to our comparison function (as in Google Chrome).
    [0, 0].sort( sortOrder );
    baseHasDuplicate = !hasDuplicate;

// Document sorting and removing duplicates
    Sizzle.uniqueSort = function( results ) {
      var elem,
        duplicates = [],
        i = 1,
        j = 0;

      hasDuplicate = baseHasDuplicate;
      results.sort( sortOrder );

      if ( hasDuplicate ) {
        for ( ; (elem = results[i]); i++ ) {
          if ( elem === results[ i - 1 ] ) {
            j = duplicates.push( i );
          }
        }
        while ( j-- ) {
          results.splice( duplicates[ j ], 1 );
        }
      }

      return results;
    };

    Sizzle.error = function( msg ) {
      throw new Error( "Syntax error, unrecognized expression: " + msg );
    };

    function tokenize( selector, parseOnly ) {
      var matched, match, tokens, type,
        soFar, groups, preFilters,
        cached = tokenCache[ expando ][ selector + " " ];

      if ( cached ) {
        return parseOnly ? 0 : cached.slice( 0 );
      }

      soFar = selector;
      groups = [];
      preFilters = Expr.preFilter;

      while ( soFar ) {

        // Comma and first run
        if ( !matched || (match = rcomma.exec( soFar )) ) {
          if ( match ) {
            // Don't consume trailing commas as valid
            soFar = soFar.slice( match[0].length ) || soFar;
          }
          groups.push( tokens = [] );
        }

        matched = false;

        // Combinators
        if ( (match = rcombinators.exec( soFar )) ) {
          tokens.push( matched = new Token( match.shift() ) );
          soFar = soFar.slice( matched.length );

          // Cast descendant combinators to space
          matched.type = match[0].replace( rtrim, " " );
        }

        // Filters
        for ( type in Expr.filter ) {
          if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
            (match = preFilters[ type ]( match ))) ) {

            tokens.push( matched = new Token( match.shift() ) );
            soFar = soFar.slice( matched.length );
            matched.type = type;
            matched.matches = match;
          }
        }

        if ( !matched ) {
          break;
        }
      }

      // Return the length of the invalid excess
      // if we're just parsing
      // Otherwise, throw an error or return tokens
      return parseOnly ?
        soFar.length :
        soFar ?
          Sizzle.error( selector ) :
          // Cache the tokens
          tokenCache( selector, groups ).slice( 0 );
    }

    function addCombinator( matcher, combinator, base ) {
      var dir = combinator.dir,
        checkNonElements = base && combinator.dir === "parentNode",
        doneName = done++;

      return combinator.first ?
        // Check against closest ancestor/preceding element
        function( elem, context, xml ) {
          while ( (elem = elem[ dir ]) ) {
            if ( checkNonElements || elem.nodeType === 1  ) {
              return matcher( elem, context, xml );
            }
          }
        } :

        // Check against all ancestor/preceding elements
        function( elem, context, xml ) {
          // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
          if ( !xml ) {
            var cache,
              dirkey = dirruns + " " + doneName + " ",
              cachedkey = dirkey + cachedruns;
            while ( (elem = elem[ dir ]) ) {
              if ( checkNonElements || elem.nodeType === 1 ) {
                if ( (cache = elem[ expando ]) === cachedkey ) {
                  return elem.sizset;
                } else if ( typeof cache === "string" && cache.indexOf(dirkey) === 0 ) {
                  if ( elem.sizset ) {
                    return elem;
                  }
                } else {
                  elem[ expando ] = cachedkey;
                  if ( matcher( elem, context, xml ) ) {
                    elem.sizset = true;
                    return elem;
                  }
                  elem.sizset = false;
                }
              }
            }
          } else {
            while ( (elem = elem[ dir ]) ) {
              if ( checkNonElements || elem.nodeType === 1 ) {
                if ( matcher( elem, context, xml ) ) {
                  return elem;
                }
              }
            }
          }
        };
    }

    function elementMatcher( matchers ) {
      return matchers.length > 1 ?
        function( elem, context, xml ) {
          var i = matchers.length;
          while ( i-- ) {
            if ( !matchers[i]( elem, context, xml ) ) {
              return false;
            }
          }
          return true;
        } :
        matchers[0];
    }

    function condense( unmatched, map, filter, context, xml ) {
      var elem,
        newUnmatched = [],
        i = 0,
        len = unmatched.length,
        mapped = map != null;

      for ( ; i < len; i++ ) {
        if ( (elem = unmatched[i]) ) {
          if ( !filter || filter( elem, context, xml ) ) {
            newUnmatched.push( elem );
            if ( mapped ) {
              map.push( i );
            }
          }
        }
      }

      return newUnmatched;
    }

    function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
      if ( postFilter && !postFilter[ expando ] ) {
        postFilter = setMatcher( postFilter );
      }
      if ( postFinder && !postFinder[ expando ] ) {
        postFinder = setMatcher( postFinder, postSelector );
      }
      return markFunction(function( seed, results, context, xml ) {
        var temp, i, elem,
          preMap = [],
          postMap = [],
          preexisting = results.length,

        // Get initial elements from seed or context
          elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),

        // Prefilter to get matcher input, preserving a map for seed-results synchronization
          matcherIn = preFilter && ( seed || !selector ) ?
            condense( elems, preMap, preFilter, context, xml ) :
            elems,

          matcherOut = matcher ?
            // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
            postFinder || ( seed ? preFilter : preexisting || postFilter ) ?

              // ...intermediate processing is necessary
              [] :

              // ...otherwise use results directly
              results :
            matcherIn;

        // Find primary matches
        if ( matcher ) {
          matcher( matcherIn, matcherOut, context, xml );
        }

        // Apply postFilter
        if ( postFilter ) {
          temp = condense( matcherOut, postMap );
          postFilter( temp, [], context, xml );

          // Un-match failing elements by moving them back to matcherIn
          i = temp.length;
          while ( i-- ) {
            if ( (elem = temp[i]) ) {
              matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
            }
          }
        }

        if ( seed ) {
          if ( postFinder || preFilter ) {
            if ( postFinder ) {
              // Get the final matcherOut by condensing this intermediate into postFinder contexts
              temp = [];
              i = matcherOut.length;
              while ( i-- ) {
                if ( (elem = matcherOut[i]) ) {
                  // Restore matcherIn since elem is not yet a final match
                  temp.push( (matcherIn[i] = elem) );
                }
              }
              postFinder( null, (matcherOut = []), temp, xml );
            }

            // Move matched elements from seed to results to keep them synchronized
            i = matcherOut.length;
            while ( i-- ) {
              if ( (elem = matcherOut[i]) &&
                (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {

                seed[temp] = !(results[temp] = elem);
              }
            }
          }

          // Add elements to results, through postFinder if defined
        } else {
          matcherOut = condense(
            matcherOut === results ?
              matcherOut.splice( preexisting, matcherOut.length ) :
              matcherOut
          );
          if ( postFinder ) {
            postFinder( null, results, matcherOut, xml );
          } else {
            push.apply( results, matcherOut );
          }
        }
      });
    }

    function matcherFromTokens( tokens ) {
      var checkContext, matcher, j,
        len = tokens.length,
        leadingRelative = Expr.relative[ tokens[0].type ],
        implicitRelative = leadingRelative || Expr.relative[" "],
        i = leadingRelative ? 1 : 0,

      // The foundational matcher ensures that elements are reachable from top-level context(s)
        matchContext = addCombinator( function( elem ) {
          return elem === checkContext;
        }, implicitRelative, true ),
        matchAnyContext = addCombinator( function( elem ) {
          return indexOf.call( checkContext, elem ) > -1;
        }, implicitRelative, true ),
        matchers = [ function( elem, context, xml ) {
          return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
            (checkContext = context).nodeType ?
              matchContext( elem, context, xml ) :
              matchAnyContext( elem, context, xml ) );
        } ];

      for ( ; i < len; i++ ) {
        if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
          matchers = [ addCombinator( elementMatcher( matchers ), matcher ) ];
        } else {
          matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );

          // Return special upon seeing a positional matcher
          if ( matcher[ expando ] ) {
            // Find the next relative operator (if any) for proper handling
            j = ++i;
            for ( ; j < len; j++ ) {
              if ( Expr.relative[ tokens[j].type ] ) {
                break;
              }
            }
            return setMatcher(
              i > 1 && elementMatcher( matchers ),
              i > 1 && tokens.slice( 0, i - 1 ).join("").replace( rtrim, "$1" ),
              matcher,
              i < j && matcherFromTokens( tokens.slice( i, j ) ),
              j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
              j < len && tokens.join("")
            );
          }
          matchers.push( matcher );
        }
      }

      return elementMatcher( matchers );
    }

    function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
      var bySet = setMatchers.length > 0,
        byElement = elementMatchers.length > 0,
        superMatcher = function( seed, context, xml, results, expandContext ) {
          var elem, j, matcher,
            setMatched = [],
            matchedCount = 0,
            i = "0",
            unmatched = seed && [],
            outermost = expandContext != null,
            contextBackup = outermostContext,
          // We must always have either seed elements or context
            elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
          // Nested matchers should use non-integer dirruns
            dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.E);

          if ( outermost ) {
            outermostContext = context !== document && context;
            cachedruns = superMatcher.el;
          }

          // Add elements passing elementMatchers directly to results
          for ( ; (elem = elems[i]) != null; i++ ) {
            if ( byElement && elem ) {
              for ( j = 0; (matcher = elementMatchers[j]); j++ ) {
                if ( matcher( elem, context, xml ) ) {
                  results.push( elem );
                  break;
                }
              }
              if ( outermost ) {
                dirruns = dirrunsUnique;
                cachedruns = ++superMatcher.el;
              }
            }

            // Track unmatched elements for set filters
            if ( bySet ) {
              // They will have gone through all possible matchers
              if ( (elem = !matcher && elem) ) {
                matchedCount--;
              }

              // Lengthen the array for every element, matched or not
              if ( seed ) {
                unmatched.push( elem );
              }
            }
          }

          // Apply set filters to unmatched elements
          matchedCount += i;
          if ( bySet && i !== matchedCount ) {
            for ( j = 0; (matcher = setMatchers[j]); j++ ) {
              matcher( unmatched, setMatched, context, xml );
            }

            if ( seed ) {
              // Reintegrate element matches to eliminate the need for sorting
              if ( matchedCount > 0 ) {
                while ( i-- ) {
                  if ( !(unmatched[i] || setMatched[i]) ) {
                    setMatched[i] = pop.call( results );
                  }
                }
              }

              // Discard index placeholder values to get only actual matches
              setMatched = condense( setMatched );
            }

            // Add matches to results
            push.apply( results, setMatched );

            // Seedless set matches succeeding multiple successful matchers stipulate sorting
            if ( outermost && !seed && setMatched.length > 0 &&
              ( matchedCount + setMatchers.length ) > 1 ) {

              Sizzle.uniqueSort( results );
            }
          }

          // Override manipulation of globals by nested matchers
          if ( outermost ) {
            dirruns = dirrunsUnique;
            outermostContext = contextBackup;
          }

          return unmatched;
        };

      superMatcher.el = 0;
      return bySet ?
        markFunction( superMatcher ) :
        superMatcher;
    }

    compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
      var i,
        setMatchers = [],
        elementMatchers = [],
        cached = compilerCache[ expando ][ selector + " " ];

      if ( !cached ) {
        // Generate a function of recursive functions that can be used to check each element
        if ( !group ) {
          group = tokenize( selector );
        }
        i = group.length;
        while ( i-- ) {
          cached = matcherFromTokens( group[i] );
          if ( cached[ expando ] ) {
            setMatchers.push( cached );
          } else {
            elementMatchers.push( cached );
          }
        }

        // Cache the compiled function
        cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
      }
      return cached;
    };

    function multipleContexts( selector, contexts, results ) {
      var i = 0,
        len = contexts.length;
      for ( ; i < len; i++ ) {
        Sizzle( selector, contexts[i], results );
      }
      return results;
    }

    function select( selector, context, results, seed, xml ) {
      var i, tokens, token, type, find,
        match = tokenize( selector ),
        j = match.length;

      if ( !seed ) {
        // Try to minimize operations if there is only one group
        if ( match.length === 1 ) {

          // Take a shortcut and set the context if the root selector is an ID
          tokens = match[0] = match[0].slice( 0 );
          if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
            context.nodeType === 9 && !xml &&
            Expr.relative[ tokens[1].type ] ) {

            context = Expr.find["ID"]( token.matches[0].replace( rbackslash, "" ), context, xml )[0];
            if ( !context ) {
              return results;
            }

            selector = selector.slice( tokens.shift().length );
          }

          // Fetch a seed set for right-to-left matching
          for ( i = matchExpr["POS"].test( selector ) ? -1 : tokens.length - 1; i >= 0; i-- ) {
            token = tokens[i];

            // Abort if we hit a combinator
            if ( Expr.relative[ (type = token.type) ] ) {
              break;
            }
            if ( (find = Expr.find[ type ]) ) {
              // Search, expanding context for leading sibling combinators
              if ( (seed = find(
                token.matches[0].replace( rbackslash, "" ),
                rsibling.test( tokens[0].type ) && context.parentNode || context,
                xml
              )) ) {

                // If seed is empty or no tokens remain, we can return early
                tokens.splice( i, 1 );
                selector = seed.length && tokens.join("");
                if ( !selector ) {
                  push.apply( results, slice.call( seed, 0 ) );
                  return results;
                }

                break;
              }
            }
          }
        }
      }

      // Compile and execute a filtering function
      // Provide `match` to avoid retokenization if we modified the selector above
      compile( selector, match )(
        seed,
        context,
        xml,
        results,
        rsibling.test( selector )
      );
      return results;
    }

    if ( document.querySelectorAll ) {
      (function() {
        var disconnectedMatch,
          oldSelect = select,
          rescape = /'|\\/g,
          rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,

        // qSa(:focus) reports false when true (Chrome 21), no need to also add to buggyMatches since matches checks buggyQSA
        // A support test would require too much code (would include document ready)
          rbuggyQSA = [ ":focus" ],

        // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
        // A support test would require too much code (would include document ready)
        // just skip matchesSelector for :active
          rbuggyMatches = [ ":active" ],
          matches = docElem.matchesSelector ||
            docElem.mozMatchesSelector ||
            docElem.webkitMatchesSelector ||
            docElem.oMatchesSelector ||
            docElem.msMatchesSelector;

        // Build QSA regex
        // Regex strategy adopted from Diego Perini
        assert(function( div ) {
          // Select is set to empty string on purpose
          // This is to test IE's treatment of not explictly
          // setting a boolean content attribute,
          // since its presence should be enough
          // http://bugs.jquery.com/ticket/12359
          div.innerHTML = "<select><option selected=''></option></select>";

          // IE8 - Some boolean attributes are not treated correctly
          if ( !div.querySelectorAll("[selected]").length ) {
            rbuggyQSA.push( "\\[" + whitespace + "*(?:checked|disabled|ismap|multiple|readonly|selected|value)" );
          }

          // Webkit/Opera - :checked should return selected option elements
          // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
          // IE8 throws error here (do not put tests after this one)
          if ( !div.querySelectorAll(":checked").length ) {
            rbuggyQSA.push(":checked");
          }
        });

        assert(function( div ) {

          // Opera 10-12/IE9 - ^= $= *= and empty values
          // Should not select anything
          div.innerHTML = "<p test=''></p>";
          if ( div.querySelectorAll("[test^='']").length ) {
            rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );
          }

          // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
          // IE8 throws error here (do not put tests after this one)
          div.innerHTML = "<input type='hidden'/>";
          if ( !div.querySelectorAll(":enabled").length ) {
            rbuggyQSA.push(":enabled", ":disabled");
          }
        });

        // rbuggyQSA always contains :focus, so no need for a length check
        rbuggyQSA = /* rbuggyQSA.length && */ new RegExp( rbuggyQSA.join("|") );

        select = function( selector, context, results, seed, xml ) {
          // Only use querySelectorAll when not filtering,
          // when this is not xml,
          // and when no QSA bugs apply
          if ( !seed && !xml && !rbuggyQSA.test( selector ) ) {
            var groups, i,
              old = true,
              nid = expando,
              newContext = context,
              newSelector = context.nodeType === 9 && selector;

            // qSA works strangely on Element-rooted queries
            // We can work around this by specifying an extra ID on the root
            // and working up from there (Thanks to Andrew Dupont for the technique)
            // IE 8 doesn't work on object elements
            if ( context.nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
              groups = tokenize( selector );

              if ( (old = context.getAttribute("id")) ) {
                nid = old.replace( rescape, "\\$&" );
              } else {
                context.setAttribute( "id", nid );
              }
              nid = "[id='" + nid + "'] ";

              i = groups.length;
              while ( i-- ) {
                groups[i] = nid + groups[i].join("");
              }
              newContext = rsibling.test( selector ) && context.parentNode || context;
              newSelector = groups.join(",");
            }

            if ( newSelector ) {
              try {
                push.apply( results, slice.call( newContext.querySelectorAll(
                  newSelector
                ), 0 ) );
                return results;
              } catch(qsaError) {
              } finally {
                if ( !old ) {
                  context.removeAttribute("id");
                }
              }
            }
          }

          return oldSelect( selector, context, results, seed, xml );
        };

        if ( matches ) {
          assert(function( div ) {
            // Check to see if it's possible to do matchesSelector
            // on a disconnected node (IE 9)
            disconnectedMatch = matches.call( div, "div" );

            // This should fail with an exception
            // Gecko does not error, returns false instead
            try {
              matches.call( div, "[test!='']:sizzle" );
              rbuggyMatches.push( "!=", pseudos );
            } catch ( e ) {}
          });

          // rbuggyMatches always contains :active and :focus, so no need for a length check
          rbuggyMatches = /* rbuggyMatches.length && */ new RegExp( rbuggyMatches.join("|") );

          Sizzle.matchesSelector = function( elem, expr ) {
            // Make sure that attribute selectors are quoted
            expr = expr.replace( rattributeQuotes, "='$1']" );

            // rbuggyMatches always contains :active, so no need for an existence check
            if ( !isXML( elem ) && !rbuggyMatches.test( expr ) && !rbuggyQSA.test( expr ) ) {
              try {
                var ret = matches.call( elem, expr );

                // IE 9's matchesSelector returns false on disconnected nodes
                if ( ret || disconnectedMatch ||
                  // As well, disconnected nodes are said to be in a document
                  // fragment in IE 9
                  elem.document && elem.document.nodeType !== 11 ) {
                  return ret;
                }
              } catch(e) {}
            }

            return Sizzle( expr, null, null, [ elem ] ).length > 0;
          };
        }
      })();
    }

// Deprecated
    Expr.pseudos["nth"] = Expr.pseudos["eq"];

// Back-compat
    function setFilters() {}
    Expr.filters = setFilters.prototype = Expr.pseudos;
    Expr.setFilters = new setFilters();

// Override sizzle attribute retrieval
    Sizzle.attr = jQuery.attr;
    jQuery.find = Sizzle;
    jQuery.expr = Sizzle.selectors;
    jQuery.expr[":"] = jQuery.expr.pseudos;
    jQuery.unique = Sizzle.uniqueSort;
    jQuery.text = Sizzle.getText;
    jQuery.isXMLDoc = Sizzle.isXML;
    jQuery.contains = Sizzle.contains;


  })( window );
  var runtil = /Until$/,
    rparentsprev = /^(?:parents|prev(?:Until|All))/,
    isSimple = /^.[^:#\[\.,]*$/,
    rneedsContext = jQuery.expr.match.needsContext,
  // methods guaranteed to produce a unique set when starting from a unique set
    guaranteedUnique = {
      children: true,
      contents: true,
      next: true,
      prev: true
    };

  jQuery.fn.extend({
    find: function( selector ) {
      var i, l, length, n, r, ret,
        self = this;

      if ( typeof selector !== "string" ) {
        return jQuery( selector ).filter(function() {
          for ( i = 0, l = self.length; i < l; i++ ) {
            if ( jQuery.contains( self[ i ], this ) ) {
              return true;
            }
          }
        });
      }

      ret = this.pushStack( "", "find", selector );

      for ( i = 0, l = this.length; i < l; i++ ) {
        length = ret.length;
        jQuery.find( selector, this[i], ret );

        if ( i > 0 ) {
          // Make sure that the results are unique
          for ( n = length; n < ret.length; n++ ) {
            for ( r = 0; r < length; r++ ) {
              if ( ret[r] === ret[n] ) {
                ret.splice(n--, 1);
                break;
              }
            }
          }
        }
      }

      return ret;
    },

    has: function( target ) {
      var i,
        targets = jQuery( target, this ),
        len = targets.length;

      return this.filter(function() {
        for ( i = 0; i < len; i++ ) {
          if ( jQuery.contains( this, targets[i] ) ) {
            return true;
          }
        }
      });
    },

    not: function( selector ) {
      return this.pushStack( winnow(this, selector, false), "not", selector);
    },

    filter: function( selector ) {
      return this.pushStack( winnow(this, selector, true), "filter", selector );
    },

    is: function( selector ) {
      return !!selector && (
        typeof selector === "string" ?
          // If this is a positional/relative selector, check membership in the returned set
          // so $("p:first").is("p:last") won't return true for a doc with two "p".
          rneedsContext.test( selector ) ?
            jQuery( selector, this.context ).index( this[0] ) >= 0 :
            jQuery.filter( selector, this ).length > 0 :
          this.filter( selector ).length > 0 );
    },

    closest: function( selectors, context ) {
      var cur,
        i = 0,
        l = this.length,
        ret = [],
        pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
          jQuery( selectors, context || this.context ) :
          0;

      for ( ; i < l; i++ ) {
        cur = this[i];

        while ( cur && cur.ownerDocument && cur !== context && cur.nodeType !== 11 ) {
          if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
            ret.push( cur );
            break;
          }
          cur = cur.parentNode;
        }
      }

      ret = ret.length > 1 ? jQuery.unique( ret ) : ret;

      return this.pushStack( ret, "closest", selectors );
    },

    // Determine the position of an element within
    // the matched set of elements
    index: function( elem ) {

      // No argument, return index in parent
      if ( !elem ) {
        return ( this[0] && this[0].parentNode ) ? this.prevAll().length : -1;
      }

      // index in selector
      if ( typeof elem === "string" ) {
        return jQuery.inArray( this[0], jQuery( elem ) );
      }

      // Locate the position of the desired element
      return jQuery.inArray(
        // If it receives a jQuery object, the first element is used
        elem.jquery ? elem[0] : elem, this );
    },

    add: function( selector, context ) {
      var set = typeof selector === "string" ?
          jQuery( selector, context ) :
          jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
        all = jQuery.merge( this.get(), set );

      return this.pushStack( isDisconnected( set[0] ) || isDisconnected( all[0] ) ?
        all :
        jQuery.unique( all ) );
    },

    addBack: function( selector ) {
      return this.add( selector == null ?
        this.prevObject : this.prevObject.filter(selector)
      );
    }
  });

  jQuery.fn.andSelf = jQuery.fn.addBack;

// A painfully simple check to see if an element is disconnected
// from a document (should be improved, where feasible).
  function isDisconnected( node ) {
    return !node || !node.parentNode || node.parentNode.nodeType === 11;
  }

  function sibling( cur, dir ) {
    do {
      cur = cur[ dir ];
    } while ( cur && cur.nodeType !== 1 );

    return cur;
  }

  jQuery.each({
    parent: function( elem ) {
      var parent = elem.parentNode;
      return parent && parent.nodeType !== 11 ? parent : null;
    },
    parents: function( elem ) {
      return jQuery.dir( elem, "parentNode" );
    },
    parentsUntil: function( elem, i, until ) {
      return jQuery.dir( elem, "parentNode", until );
    },
    next: function( elem ) {
      return sibling( elem, "nextSibling" );
    },
    prev: function( elem ) {
      return sibling( elem, "previousSibling" );
    },
    nextAll: function( elem ) {
      return jQuery.dir( elem, "nextSibling" );
    },
    prevAll: function( elem ) {
      return jQuery.dir( elem, "previousSibling" );
    },
    nextUntil: function( elem, i, until ) {
      return jQuery.dir( elem, "nextSibling", until );
    },
    prevUntil: function( elem, i, until ) {
      return jQuery.dir( elem, "previousSibling", until );
    },
    siblings: function( elem ) {
      return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
    },
    children: function( elem ) {
      return jQuery.sibling( elem.firstChild );
    },
    contents: function( elem ) {
      return jQuery.nodeName( elem, "iframe" ) ?
        elem.contentDocument || elem.contentWindow.document :
        jQuery.merge( [], elem.childNodes );
    }
  }, function( name, fn ) {
    jQuery.fn[ name ] = function( until, selector ) {
      var ret = jQuery.map( this, fn, until );

      if ( !runtil.test( name ) ) {
        selector = until;
      }

      if ( selector && typeof selector === "string" ) {
        ret = jQuery.filter( selector, ret );
      }

      ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;

      if ( this.length > 1 && rparentsprev.test( name ) ) {
        ret = ret.reverse();
      }

      return this.pushStack( ret, name, core_slice.call( arguments ).join(",") );
    };
  });

  jQuery.extend({
    filter: function( expr, elems, not ) {
      if ( not ) {
        expr = ":not(" + expr + ")";
      }

      return elems.length === 1 ?
        jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
        jQuery.find.matches(expr, elems);
    },

    dir: function( elem, dir, until ) {
      var matched = [],
        cur = elem[ dir ];

      while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
        if ( cur.nodeType === 1 ) {
          matched.push( cur );
        }
        cur = cur[dir];
      }
      return matched;
    },

    sibling: function( n, elem ) {
      var r = [];

      for ( ; n; n = n.nextSibling ) {
        if ( n.nodeType === 1 && n !== elem ) {
          r.push( n );
        }
      }

      return r;
    }
  });

// Implement the identical functionality for filter and not
  function winnow( elements, qualifier, keep ) {

    // Can't pass null or undefined to indexOf in Firefox 4
    // Set to 0 to skip string check
    qualifier = qualifier || 0;

    if ( jQuery.isFunction( qualifier ) ) {
      return jQuery.grep(elements, function( elem, i ) {
        var retVal = !!qualifier.call( elem, i, elem );
        return retVal === keep;
      });

    } else if ( qualifier.nodeType ) {
      return jQuery.grep(elements, function( elem, i ) {
        return ( elem === qualifier ) === keep;
      });

    } else if ( typeof qualifier === "string" ) {
      var filtered = jQuery.grep(elements, function( elem ) {
        return elem.nodeType === 1;
      });

      if ( isSimple.test( qualifier ) ) {
        return jQuery.filter(qualifier, filtered, !keep);
      } else {
        qualifier = jQuery.filter( qualifier, filtered );
      }
    }

    return jQuery.grep(elements, function( elem, i ) {
      return ( jQuery.inArray( elem, qualifier ) >= 0 ) === keep;
    });
  }
  function createSafeFragment( document ) {
    var list = nodeNames.split( "|" ),
      safeFrag = document.createDocumentFragment();

    if ( safeFrag.createElement ) {
      while ( list.length ) {
        safeFrag.createElement(
          list.pop()
        );
      }
    }
    return safeFrag;
  }

  var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
      "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
    rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
    rleadingWhitespace = /^\s+/,
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
    rtagName = /<([\w:]+)/,
    rtbody = /<tbody/i,
    rhtml = /<|&#?\w+;/,
    rnoInnerhtml = /<(?:script|style|link)/i,
    rnocache = /<(?:script|object|embed|option|style)/i,
    rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
    rcheckableType = /^(?:checkbox|radio)$/,
  // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rscriptType = /\/(java|ecma)script/i,
    rcleanScript = /^\s*<!(?:\[CDATA\[|\-\-)|[\]\-]{2}>\s*$/g,
    wrapMap = {
      option: [ 1, "<select multiple='multiple'>", "</select>" ],
      legend: [ 1, "<fieldset>", "</fieldset>" ],
      thead: [ 1, "<table>", "</table>" ],
      tr: [ 2, "<table><tbody>", "</tbody></table>" ],
      td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
      col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
      area: [ 1, "<map>", "</map>" ],
      _default: [ 0, "", "" ]
    },
    safeFragment = createSafeFragment( document ),
    fragmentDiv = safeFragment.appendChild( document.createElement("div") );

  wrapMap.optgroup = wrapMap.option;
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;

// IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
// unless wrapped in a div with non-breaking characters in front of it.
  if ( !jQuery.support.htmlSerialize ) {
    wrapMap._default = [ 1, "X<div>", "</div>" ];
  }

  jQuery.fn.extend({
    text: function( value ) {
      return jQuery.access( this, function( value ) {
        return value === undefined ?
          jQuery.text( this ) :
          this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
      }, null, value, arguments.length );
    },

    wrapAll: function( html ) {
      if ( jQuery.isFunction( html ) ) {
        return this.each(function(i) {
          jQuery(this).wrapAll( html.call(this, i) );
        });
      }

      if ( this[0] ) {
        // The elements to wrap the target around
        var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);

        if ( this[0].parentNode ) {
          wrap.insertBefore( this[0] );
        }

        wrap.map(function() {
          var elem = this;

          while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
            elem = elem.firstChild;
          }

          return elem;
        }).append( this );
      }

      return this;
    },

    wrapInner: function( html ) {
      if ( jQuery.isFunction( html ) ) {
        return this.each(function(i) {
          jQuery(this).wrapInner( html.call(this, i) );
        });
      }

      return this.each(function() {
        var self = jQuery( this ),
          contents = self.contents();

        if ( contents.length ) {
          contents.wrapAll( html );

        } else {
          self.append( html );
        }
      });
    },

    wrap: function( html ) {
      var isFunction = jQuery.isFunction( html );

      return this.each(function(i) {
        jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
      });
    },

    unwrap: function() {
      return this.parent().each(function() {
        if ( !jQuery.nodeName( this, "body" ) ) {
          jQuery( this ).replaceWith( this.childNodes );
        }
      }).end();
    },

    append: function() {
      return this.domManip(arguments, true, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 ) {
          this.appendChild( elem );
        }
      });
    },

    prepend: function() {
      return this.domManip(arguments, true, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 ) {
          this.insertBefore( elem, this.firstChild );
        }
      });
    },

    before: function() {
      if ( !isDisconnected( this[0] ) ) {
        return this.domManip(arguments, false, function( elem ) {
          this.parentNode.insertBefore( elem, this );
        });
      }

      if ( arguments.length ) {
        var set = jQuery.clean( arguments );
        return this.pushStack( jQuery.merge( set, this ), "before", this.selector );
      }
    },

    after: function() {
      if ( !isDisconnected( this[0] ) ) {
        return this.domManip(arguments, false, function( elem ) {
          this.parentNode.insertBefore( elem, this.nextSibling );
        });
      }

      if ( arguments.length ) {
        var set = jQuery.clean( arguments );
        return this.pushStack( jQuery.merge( this, set ), "after", this.selector );
      }
    },

    // keepData is for internal use only--do not document
    remove: function( selector, keepData ) {
      var elem,
        i = 0;

      for ( ; (elem = this[i]) != null; i++ ) {
        if ( !selector || jQuery.filter( selector, [ elem ] ).length ) {
          if ( !keepData && elem.nodeType === 1 ) {
            jQuery.cleanData( elem.getElementsByTagName("*") );
            jQuery.cleanData( [ elem ] );
          }

          if ( elem.parentNode ) {
            elem.parentNode.removeChild( elem );
          }
        }
      }

      return this;
    },

    empty: function() {
      var elem,
        i = 0;

      for ( ; (elem = this[i]) != null; i++ ) {
        // Remove element nodes and prevent memory leaks
        if ( elem.nodeType === 1 ) {
          jQuery.cleanData( elem.getElementsByTagName("*") );
        }

        // Remove any remaining nodes
        while ( elem.firstChild ) {
          elem.removeChild( elem.firstChild );
        }
      }

      return this;
    },

    clone: function( dataAndEvents, deepDataAndEvents ) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

      return this.map( function () {
        return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
      });
    },

    html: function( value ) {
      return jQuery.access( this, function( value ) {
        var elem = this[0] || {},
          i = 0,
          l = this.length;

        if ( value === undefined ) {
          return elem.nodeType === 1 ?
            elem.innerHTML.replace( rinlinejQuery, "" ) :
            undefined;
        }

        // See if we can take a shortcut and just use innerHTML
        if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
          ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
          ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
          !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {

          value = value.replace( rxhtmlTag, "<$1></$2>" );

          try {
            for (; i < l; i++ ) {
              // Remove element nodes and prevent memory leaks
              elem = this[i] || {};
              if ( elem.nodeType === 1 ) {
                jQuery.cleanData( elem.getElementsByTagName( "*" ) );
                elem.innerHTML = value;
              }
            }

            elem = 0;

            // If using innerHTML throws an exception, use the fallback method
          } catch(e) {}
        }

        if ( elem ) {
          this.empty().append( value );
        }
      }, null, value, arguments.length );
    },

    replaceWith: function( value ) {
      if ( !isDisconnected( this[0] ) ) {
        // Make sure that the elements are removed from the DOM before they are inserted
        // this can help fix replacing a parent with child elements
        if ( jQuery.isFunction( value ) ) {
          return this.each(function(i) {
            var self = jQuery(this), old = self.html();
            self.replaceWith( value.call( this, i, old ) );
          });
        }

        if ( typeof value !== "string" ) {
          value = jQuery( value ).detach();
        }

        return this.each(function() {
          var next = this.nextSibling,
            parent = this.parentNode;

          jQuery( this ).remove();

          if ( next ) {
            jQuery(next).before( value );
          } else {
            jQuery(parent).append( value );
          }
        });
      }

      return this.length ?
        this.pushStack( jQuery(jQuery.isFunction(value) ? value() : value), "replaceWith", value ) :
        this;
    },

    detach: function( selector ) {
      return this.remove( selector, true );
    },

    domManip: function( args, table, callback ) {

      // Flatten any nested arrays
      args = [].concat.apply( [], args );

      var results, first, fragment, iNoClone,
        i = 0,
        value = args[0],
        scripts = [],
        l = this.length;

      // We can't cloneNode fragments that contain checked, in WebKit
      if ( !jQuery.support.checkClone && l > 1 && typeof value === "string" && rchecked.test( value ) ) {
        return this.each(function() {
          jQuery(this).domManip( args, table, callback );
        });
      }

      if ( jQuery.isFunction(value) ) {
        return this.each(function(i) {
          var self = jQuery(this);
          args[0] = value.call( this, i, table ? self.html() : undefined );
          self.domManip( args, table, callback );
        });
      }

      if ( this[0] ) {
        results = jQuery.buildFragment( args, this, scripts );
        fragment = results.fragment;
        first = fragment.firstChild;

        if ( fragment.childNodes.length === 1 ) {
          fragment = first;
        }

        if ( first ) {
          table = table && jQuery.nodeName( first, "tr" );

          // Use the original fragment for the last item instead of the first because it can end up
          // being emptied incorrectly in certain situations (#8070).
          // Fragments from the fragment cache must always be cloned and never used in place.
          for ( iNoClone = results.cacheable || l - 1; i < l; i++ ) {
            callback.call(
              table && jQuery.nodeName( this[i], "table" ) ?
                findOrAppend( this[i], "tbody" ) :
                this[i],
              i === iNoClone ?
                fragment :
                jQuery.clone( fragment, true, true )
            );
          }
        }

        // Fix #11809: Avoid leaking memory
        fragment = first = null;

        if ( scripts.length ) {
          jQuery.each( scripts, function( i, elem ) {
            if ( elem.src ) {
              if ( jQuery.ajax ) {
                jQuery.ajax({
                  url: elem.src,
                  type: "GET",
                  dataType: "script",
                  async: false,
                  global: false,
                  "throws": true
                });
              } else {
                jQuery.error("no ajax");
              }
            } else {
              jQuery.globalEval( ( elem.text || elem.textContent || elem.innerHTML || "" ).replace( rcleanScript, "" ) );
            }

            if ( elem.parentNode ) {
              elem.parentNode.removeChild( elem );
            }
          });
        }
      }

      return this;
    }
  });

  function findOrAppend( elem, tag ) {
    return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
  }

  function cloneCopyEvent( src, dest ) {

    if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
      return;
    }

    var type, i, l,
      oldData = jQuery._data( src ),
      curData = jQuery._data( dest, oldData ),
      events = oldData.events;

    if ( events ) {
      delete curData.handle;
      curData.events = {};

      for ( type in events ) {
        for ( i = 0, l = events[ type ].length; i < l; i++ ) {
          jQuery.event.add( dest, type, events[ type ][ i ] );
        }
      }
    }

    // make the cloned public data object a copy from the original
    if ( curData.data ) {
      curData.data = jQuery.extend( {}, curData.data );
    }
  }

  function cloneFixAttributes( src, dest ) {
    var nodeName;

    // We do not need to do anything for non-Elements
    if ( dest.nodeType !== 1 ) {
      return;
    }

    // clearAttributes removes the attributes, which we don't want,
    // but also removes the attachEvent events, which we *do* want
    if ( dest.clearAttributes ) {
      dest.clearAttributes();
    }

    // mergeAttributes, in contrast, only merges back on the
    // original attributes, not the events
    if ( dest.mergeAttributes ) {
      dest.mergeAttributes( src );
    }

    nodeName = dest.nodeName.toLowerCase();

    if ( nodeName === "object" ) {
      // IE6-10 improperly clones children of object elements using classid.
      // IE10 throws NoModificationAllowedError if parent is null, #12132.
      if ( dest.parentNode ) {
        dest.outerHTML = src.outerHTML;
      }

      // This path appears unavoidable for IE9. When cloning an object
      // element in IE9, the outerHTML strategy above is not sufficient.
      // If the src has innerHTML and the destination does not,
      // copy the src.innerHTML into the dest.innerHTML. #10324
      if ( jQuery.support.html5Clone && (src.innerHTML && !jQuery.trim(dest.innerHTML)) ) {
        dest.innerHTML = src.innerHTML;
      }

    } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
      // IE6-8 fails to persist the checked state of a cloned checkbox
      // or radio button. Worse, IE6-7 fail to give the cloned element
      // a checked appearance if the defaultChecked value isn't also set

      dest.defaultChecked = dest.checked = src.checked;

      // IE6-7 get confused and end up setting the value of a cloned
      // checkbox/radio button to an empty string instead of "on"
      if ( dest.value !== src.value ) {
        dest.value = src.value;
      }

      // IE6-8 fails to return the selected option to the default selected
      // state when cloning options
    } else if ( nodeName === "option" ) {
      dest.selected = src.defaultSelected;

      // IE6-8 fails to set the defaultValue to the correct value when
      // cloning other types of input fields
    } else if ( nodeName === "input" || nodeName === "textarea" ) {
      dest.defaultValue = src.defaultValue;

      // IE blanks contents when cloning scripts
    } else if ( nodeName === "script" && dest.text !== src.text ) {
      dest.text = src.text;
    }

    // Event data gets referenced instead of copied if the expando
    // gets copied too
    dest.removeAttribute( jQuery.expando );
  }

  jQuery.buildFragment = function( args, context, scripts ) {
    var fragment, cacheable, cachehit,
      first = args[ 0 ];

    // Set context from what may come in as undefined or a jQuery collection or a node
    // Updated to fix #12266 where accessing context[0] could throw an exception in IE9/10 &
    // also doubles as fix for #8950 where plain objects caused createDocumentFragment exception
    context = context || document;
    context = !context.nodeType && context[0] || context;
    context = context.ownerDocument || context;

    // Only cache "small" (1/2 KB) HTML strings that are associated with the main document
    // Cloning options loses the selected state, so don't cache them
    // IE 6 doesn't like it when you put <object> or <embed> elements in a fragment
    // Also, WebKit does not clone 'checked' attributes on cloneNode, so don't cache
    // Lastly, IE6,7,8 will not correctly reuse cached fragments that were created from unknown elems #10501
    if ( args.length === 1 && typeof first === "string" && first.length < 512 && context === document &&
      first.charAt(0) === "<" && !rnocache.test( first ) &&
      (jQuery.support.checkClone || !rchecked.test( first )) &&
      (jQuery.support.html5Clone || !rnoshimcache.test( first )) ) {

      // Mark cacheable and look for a hit
      cacheable = true;
      fragment = jQuery.fragments[ first ];
      cachehit = fragment !== undefined;
    }

    if ( !fragment ) {
      fragment = context.createDocumentFragment();
      jQuery.clean( args, context, fragment, scripts );

      // Update the cache, but only store false
      // unless this is a second parsing of the same content
      if ( cacheable ) {
        jQuery.fragments[ first ] = cachehit && fragment;
      }
    }

    return { fragment: fragment, cacheable: cacheable };
  };

  jQuery.fragments = {};

  jQuery.each({
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function( name, original ) {
    jQuery.fn[ name ] = function( selector ) {
      var elems,
        i = 0,
        ret = [],
        insert = jQuery( selector ),
        l = insert.length,
        parent = this.length === 1 && this[0].parentNode;

      if ( (parent == null || parent && parent.nodeType === 11 && parent.childNodes.length === 1) && l === 1 ) {
        insert[ original ]( this[0] );
        return this;
      } else {
        for ( ; i < l; i++ ) {
          elems = ( i > 0 ? this.clone(true) : this ).get();
          jQuery( insert[i] )[ original ]( elems );
          ret = ret.concat( elems );
        }

        return this.pushStack( ret, name, insert.selector );
      }
    };
  });

  function getAll( elem ) {
    if ( typeof elem.getElementsByTagName !== "undefined" ) {
      return elem.getElementsByTagName( "*" );

    } else if ( typeof elem.querySelectorAll !== "undefined" ) {
      return elem.querySelectorAll( "*" );

    } else {
      return [];
    }
  }

// Used in clean, fixes the defaultChecked property
  function fixDefaultChecked( elem ) {
    if ( rcheckableType.test( elem.type ) ) {
      elem.defaultChecked = elem.checked;
    }
  }

  jQuery.extend({
    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
      var srcElements,
        destElements,
        i,
        clone;

      if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
        clone = elem.cloneNode( true );

        // IE<=8 does not properly clone detached, unknown element nodes
      } else {
        fragmentDiv.innerHTML = elem.outerHTML;
        fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
      }

      if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
        (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
        // IE copies events bound via attachEvent when using cloneNode.
        // Calling detachEvent on the clone will also remove the events
        // from the original. In order to get around this, we use some
        // proprietary methods to clear the events. Thanks to MooTools
        // guys for this hotness.

        cloneFixAttributes( elem, clone );

        // Using Sizzle here is crazy slow, so we use getElementsByTagName instead
        srcElements = getAll( elem );
        destElements = getAll( clone );

        // Weird iteration because IE will replace the length property
        // with an element if you are cloning the body and one of the
        // elements on the page has a name or id of "length"
        for ( i = 0; srcElements[i]; ++i ) {
          // Ensure that the destination node is not null; Fixes #9587
          if ( destElements[i] ) {
            cloneFixAttributes( srcElements[i], destElements[i] );
          }
        }
      }

      // Copy the events from the original to the clone
      if ( dataAndEvents ) {
        cloneCopyEvent( elem, clone );

        if ( deepDataAndEvents ) {
          srcElements = getAll( elem );
          destElements = getAll( clone );

          for ( i = 0; srcElements[i]; ++i ) {
            cloneCopyEvent( srcElements[i], destElements[i] );
          }
        }
      }

      srcElements = destElements = null;

      // Return the cloned set
      return clone;
    },

    clean: function( elems, context, fragment, scripts ) {
      var i, j, elem, tag, wrap, depth, div, hasBody, tbody, len, handleScript, jsTags,
        safe = context === document && safeFragment,
        ret = [];

      // Ensure that context is a document
      if ( !context || typeof context.createDocumentFragment === "undefined" ) {
        context = document;
      }

      // Use the already-created safe fragment if context permits
      for ( i = 0; (elem = elems[i]) != null; i++ ) {
        if ( typeof elem === "number" ) {
          elem += "";
        }

        if ( !elem ) {
          continue;
        }

        // Convert html string into DOM nodes
        if ( typeof elem === "string" ) {
          if ( !rhtml.test( elem ) ) {
            elem = context.createTextNode( elem );
          } else {
            // Ensure a safe container in which to render the html
            safe = safe || createSafeFragment( context );
            div = context.createElement("div");
            safe.appendChild( div );

            // Fix "XHTML"-style tags in all browsers
            elem = elem.replace(rxhtmlTag, "<$1></$2>");

            // Go to html and back, then peel off extra wrappers
            tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
            wrap = wrapMap[ tag ] || wrapMap._default;
            depth = wrap[0];
            div.innerHTML = wrap[1] + elem + wrap[2];

            // Move to the right depth
            while ( depth-- ) {
              div = div.lastChild;
            }

            // Remove IE's autoinserted <tbody> from table fragments
            if ( !jQuery.support.tbody ) {

              // String was a <table>, *may* have spurious <tbody>
              hasBody = rtbody.test(elem);
              tbody = tag === "table" && !hasBody ?
                div.firstChild && div.firstChild.childNodes :

                // String was a bare <thead> or <tfoot>
                wrap[1] === "<table>" && !hasBody ?
                  div.childNodes :
                  [];

              for ( j = tbody.length - 1; j >= 0 ; --j ) {
                if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length ) {
                  tbody[ j ].parentNode.removeChild( tbody[ j ] );
                }
              }
            }

            // IE completely kills leading whitespace when innerHTML is used
            if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
              div.insertBefore( context.createTextNode( rleadingWhitespace.exec(elem)[0] ), div.firstChild );
            }

            elem = div.childNodes;

            // Take out of fragment container (we need a fresh div each time)
            div.parentNode.removeChild( div );
          }
        }

        if ( elem.nodeType ) {
          ret.push( elem );
        } else {
          jQuery.merge( ret, elem );
        }
      }

      // Fix #11356: Clear elements from safeFragment
      if ( div ) {
        elem = div = safe = null;
      }

      // Reset defaultChecked for any radios and checkboxes
      // about to be appended to the DOM in IE 6/7 (#8060)
      if ( !jQuery.support.appendChecked ) {
        for ( i = 0; (elem = ret[i]) != null; i++ ) {
          if ( jQuery.nodeName( elem, "input" ) ) {
            fixDefaultChecked( elem );
          } else if ( typeof elem.getElementsByTagName !== "undefined" ) {
            jQuery.grep( elem.getElementsByTagName("input"), fixDefaultChecked );
          }
        }
      }

      // Append elements to a provided document fragment
      if ( fragment ) {
        // Special handling of each script element
        handleScript = function( elem ) {
          // Check if we consider it executable
          if ( !elem.type || rscriptType.test( elem.type ) ) {
            // Detach the script and store it in the scripts array (if provided) or the fragment
            // Return truthy to indicate that it has been handled
            return scripts ?
              scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
              fragment.appendChild( elem );
          }
        };

        for ( i = 0; (elem = ret[i]) != null; i++ ) {
          // Check if we're done after handling an executable script
          if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
            // Append to fragment and handle embedded scripts
            fragment.appendChild( elem );
            if ( typeof elem.getElementsByTagName !== "undefined" ) {
              // handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
              jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );

              // Splice the scripts into ret after their former ancestor and advance our index beyond them
              ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
              i += jsTags.length;
            }
          }
        }
      }

      return ret;
    },

    cleanData: function( elems, /* internal */ acceptData ) {
      var data, id, elem, type,
        i = 0,
        internalKey = jQuery.expando,
        cache = jQuery.cache,
        deleteExpando = jQuery.support.deleteExpando,
        special = jQuery.event.special;

      for ( ; (elem = elems[i]) != null; i++ ) {

        if ( acceptData || jQuery.acceptData( elem ) ) {

          id = elem[ internalKey ];
          data = id && cache[ id ];

          if ( data ) {
            if ( data.events ) {
              for ( type in data.events ) {
                if ( special[ type ] ) {
                  jQuery.event.remove( elem, type );

                  // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent( elem, type, data.handle );
                }
              }
            }

            // Remove cache only if it was not already removed by jQuery.event.remove
            if ( cache[ id ] ) {

              delete cache[ id ];

              // IE does not allow us to delete expando properties from nodes,
              // nor does it have a removeAttribute function on Document nodes;
              // we must handle all of these cases
              if ( deleteExpando ) {
                delete elem[ internalKey ];

              } else if ( elem.removeAttribute ) {
                elem.removeAttribute( internalKey );

              } else {
                elem[ internalKey ] = null;
              }

              jQuery.deletedIds.push( id );
            }
          }
        }
      }
    }
  });
// Limit scope pollution from any deprecated API
  (function() {

    var matched, browser;

// Use of jQuery.browser is frowned upon.
// More details: http://api.jquery.com/jQuery.browser
// jQuery.uaMatch maintained for back-compat
    jQuery.uaMatch = function( ua ) {
      ua = ua.toLowerCase();

      var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
        /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
        /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
        /(msie) ([\w.]+)/.exec( ua ) ||
        ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
        [];

      return {
        browser: match[ 1 ] || "",
        version: match[ 2 ] || "0"
      };
    };

    matched = jQuery.uaMatch( navigator.userAgent );
    browser = {};

    if ( matched.browser ) {
      browser[ matched.browser ] = true;
      browser.version = matched.version;
    }

// Chrome is Webkit, but Webkit is also Safari.
    if ( browser.chrome ) {
      browser.webkit = true;
    } else if ( browser.webkit ) {
      browser.safari = true;
    }

    jQuery.browser = browser;

    jQuery.sub = function() {
      function jQuerySub( selector, context ) {
        return new jQuerySub.fn.init( selector, context );
      }
      jQuery.extend( true, jQuerySub, this );
      jQuerySub.superclass = this;
      jQuerySub.fn = jQuerySub.prototype = this();
      jQuerySub.fn.constructor = jQuerySub;
      jQuerySub.sub = this.sub;
      jQuerySub.fn.init = function init( selector, context ) {
        if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
          context = jQuerySub( context );
        }

        return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
      };
      jQuerySub.fn.init.prototype = jQuerySub.fn;
      var rootjQuerySub = jQuerySub(document);
      return jQuerySub;
    };

  })();
  var curCSS, iframe, iframeDoc,
    ralpha = /alpha\([^)]*\)/i,
    ropacity = /opacity=([^)]*)/,
    rposition = /^(top|right|bottom|left)$/,
  // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
  // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
    rdisplayswap = /^(none|table(?!-c[ea]).+)/,
    rmargin = /^margin/,
    rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
    rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
    rrelNum = new RegExp( "^([-+])=(" + core_pnum + ")", "i" ),
    elemdisplay = { BODY: "block" },

    cssShow = { position: "absolute", visibility: "hidden", display: "block" },
    cssNormalTransform = {
      letterSpacing: 0,
      fontWeight: 400
    },

    cssExpand = [ "Top", "Right", "Bottom", "Left" ],
    cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],

    eventsToggle = jQuery.fn.toggle;

// return a css property mapped to a potentially vendor prefixed property
  function vendorPropName( style, name ) {

    // shortcut for names that are not vendor prefixed
    if ( name in style ) {
      return name;
    }

    // check for vendor prefixed names
    var capName = name.charAt(0).toUpperCase() + name.slice(1),
      origName = name,
      i = cssPrefixes.length;

    while ( i-- ) {
      name = cssPrefixes[ i ] + capName;
      if ( name in style ) {
        return name;
      }
    }

    return origName;
  }

  function isHidden( elem, el ) {
    elem = el || elem;
    return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
  }

  function showHide( elements, show ) {
    var elem, display,
      values = [],
      index = 0,
      length = elements.length;

    for ( ; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }
      values[ index ] = jQuery._data( elem, "olddisplay" );
      if ( show ) {
        // Reset the inline display of this element to learn if it is
        // being hidden by cascaded rules or not
        if ( !values[ index ] && elem.style.display === "none" ) {
          elem.style.display = "";
        }

        // Set elements which have been overridden with display: none
        // in a stylesheet to whatever the default browser style is
        // for such an element
        if ( elem.style.display === "" && isHidden( elem ) ) {
          values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
        }
      } else {
        display = curCSS( elem, "display" );

        if ( !values[ index ] && display !== "none" ) {
          jQuery._data( elem, "olddisplay", display );
        }
      }
    }

    // Set the display of most of the elements in a second loop
    // to avoid the constant reflow
    for ( index = 0; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }
      if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
        elem.style.display = show ? values[ index ] || "" : "none";
      }
    }

    return elements;
  }

  jQuery.fn.extend({
    css: function( name, value ) {
      return jQuery.access( this, function( elem, name, value ) {
        return value !== undefined ?
          jQuery.style( elem, name, value ) :
          jQuery.css( elem, name );
      }, name, value, arguments.length > 1 );
    },
    show: function() {
      return showHide( this, true );
    },
    hide: function() {
      return showHide( this );
    },
    toggle: function( state, fn2 ) {
      var bool = typeof state === "boolean";

      if ( jQuery.isFunction( state ) && jQuery.isFunction( fn2 ) ) {
        return eventsToggle.apply( this, arguments );
      }

      return this.each(function() {
        if ( bool ? state : isHidden( this ) ) {
          jQuery( this ).show();
        } else {
          jQuery( this ).hide();
        }
      });
    }
  });

  jQuery.extend({
    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function( elem, computed ) {
          if ( computed ) {
            // We should always get a number back from opacity
            var ret = curCSS( elem, "opacity" );
            return ret === "" ? "1" : ret;

          }
        }
      }
    },

    // Exclude the following css properties to add px
    cssNumber: {
      "fillOpacity": true,
      "fontWeight": true,
      "lineHeight": true,
      "opacity": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },

    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {
      // normalize float css property
      "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
    },

    // Get and set the style property on a DOM Node
    style: function( elem, name, value, extra ) {
      // Don't set styles on text and comment nodes
      if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
        return;
      }

      // Make sure that we're working with the right name
      var ret, type, hooks,
        origName = jQuery.camelCase( name ),
        style = elem.style;

      name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );

      // gets hook for the prefixed version
      // followed by the unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // Check if we're setting a value
      if ( value !== undefined ) {
        type = typeof value;

        // convert relative number strings (+= or -=) to relative numbers. #7345
        if ( type === "string" && (ret = rrelNum.exec( value )) ) {
          value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
          // Fixes bug #9237
          type = "number";
        }

        // Make sure that NaN and null values aren't set. See: #7116
        if ( value == null || type === "number" && isNaN( value ) ) {
          return;
        }

        // If a number was passed in, add 'px' to the (except for certain CSS properties)
        if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
          value += "px";
        }

        // If a hook was provided, use that value, otherwise just set the specified value
        if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
          // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
          // Fixes bug #5509
          try {
            style[ name ] = value;
          } catch(e) {}
        }

      } else {
        // If a hook was provided get the non-computed value from there
        if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
          return ret;
        }

        // Otherwise just get the value from the style object
        return style[ name ];
      }
    },

    css: function( elem, name, numeric, extra ) {
      var val, num, hooks,
        origName = jQuery.camelCase( name );

      // Make sure that we're working with the right name
      name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );

      // gets hook for the prefixed version
      // followed by the unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // If a hook was provided get the computed value from there
      if ( hooks && "get" in hooks ) {
        val = hooks.get( elem, true, extra );
      }

      // Otherwise, if a way to get the computed value exists, use that
      if ( val === undefined ) {
        val = curCSS( elem, name );
      }

      //convert "normal" to computed value
      if ( val === "normal" && name in cssNormalTransform ) {
        val = cssNormalTransform[ name ];
      }

      // Return, converting to number if forced or a qualifier was provided and val looks numeric
      if ( numeric || extra !== undefined ) {
        num = parseFloat( val );
        return numeric || jQuery.isNumeric( num ) ? num || 0 : val;
      }
      return val;
    },

    // A method for quickly swapping in/out CSS properties to get correct calculations
    swap: function( elem, options, callback ) {
      var ret, name,
        old = {};

      // Remember the old values, and insert the new ones
      for ( name in options ) {
        old[ name ] = elem.style[ name ];
        elem.style[ name ] = options[ name ];
      }

      ret = callback.call( elem );

      // Revert the old values
      for ( name in options ) {
        elem.style[ name ] = old[ name ];
      }

      return ret;
    }
  });

// NOTE: To any future maintainer, we've window.getComputedStyle
// because jsdom on node.js will break without it.
  if ( window.getComputedStyle ) {
    curCSS = function( elem, name ) {
      var ret, width, minWidth, maxWidth,
        computed = window.getComputedStyle( elem, null ),
        style = elem.style;

      if ( computed ) {

        // getPropertyValue is only needed for .css('filter') in IE9, see #12537
        ret = computed.getPropertyValue( name ) || computed[ name ];

        if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
          ret = jQuery.style( elem, name );
        }

        // A tribute to the "awesome hack by Dean Edwards"
        // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
        // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
        // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
        if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
          width = style.width;
          minWidth = style.minWidth;
          maxWidth = style.maxWidth;

          style.minWidth = style.maxWidth = style.width = ret;
          ret = computed.width;

          style.width = width;
          style.minWidth = minWidth;
          style.maxWidth = maxWidth;
        }
      }

      return ret;
    };
  } else if ( document.documentElement.currentStyle ) {
    curCSS = function( elem, name ) {
      var left, rsLeft,
        ret = elem.currentStyle && elem.currentStyle[ name ],
        style = elem.style;

      // Avoid setting ret to empty string here
      // so we don't default to auto
      if ( ret == null && style && style[ name ] ) {
        ret = style[ name ];
      }

      // From the awesome hack by Dean Edwards
      // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291

      // If we're not dealing with a regular pixel number
      // but a number that has a weird ending, we need to convert it to pixels
      // but not position css attributes, as those are proportional to the parent element instead
      // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
      if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {

        // Remember the original values
        left = style.left;
        rsLeft = elem.runtimeStyle && elem.runtimeStyle.left;

        // Put in the new values to get a computed value out
        if ( rsLeft ) {
          elem.runtimeStyle.left = elem.currentStyle.left;
        }
        style.left = name === "fontSize" ? "1em" : ret;
        ret = style.pixelLeft + "px";

        // Revert the changed values
        style.left = left;
        if ( rsLeft ) {
          elem.runtimeStyle.left = rsLeft;
        }
      }

      return ret === "" ? "auto" : ret;
    };
  }

  function setPositiveNumber( elem, value, subtract ) {
    var matches = rnumsplit.exec( value );
    return matches ?
      Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
      value;
  }

  function augmentWidthOrHeight( elem, name, extra, isBorderBox ) {
    var i = extra === ( isBorderBox ? "border" : "content" ) ?
        // If we already have the right measurement, avoid augmentation
        4 :
        // Otherwise initialize for horizontal or vertical properties
        name === "width" ? 1 : 0,

      val = 0;

    for ( ; i < 4; i += 2 ) {
      // both box models exclude margin, so add it if we want it
      if ( extra === "margin" ) {
        // we use jQuery.css instead of curCSS here
        // because of the reliableMarginRight CSS hook!
        val += jQuery.css( elem, extra + cssExpand[ i ], true );
      }

      // From this point on we use curCSS for maximum performance (relevant in animations)
      if ( isBorderBox ) {
        // border-box includes padding, so remove it if we want content
        if ( extra === "content" ) {
          val -= parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;
        }

        // at this point, extra isn't border nor margin, so remove border
        if ( extra !== "margin" ) {
          val -= parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
        }
      } else {
        // at this point, extra isn't content, so add padding
        val += parseFloat( curCSS( elem, "padding" + cssExpand[ i ] ) ) || 0;

        // at this point, extra isn't content nor padding, so add border
        if ( extra !== "padding" ) {
          val += parseFloat( curCSS( elem, "border" + cssExpand[ i ] + "Width" ) ) || 0;
        }
      }
    }

    return val;
  }

  function getWidthOrHeight( elem, name, extra ) {

    // Start with offset property, which is equivalent to the border-box value
    var val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
      valueIsBorderBox = true,
      isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box";

    // some non-html elements return undefined for offsetWidth, so check for null/undefined
    // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
    if ( val <= 0 || val == null ) {
      // Fall back to computed then uncomputed css if necessary
      val = curCSS( elem, name );
      if ( val < 0 || val == null ) {
        val = elem.style[ name ];
      }

      // Computed unit is not pixels. Stop here and return.
      if ( rnumnonpx.test(val) ) {
        return val;
      }

      // we need the check for style in case a browser which returns unreliable values
      // for getComputedStyle silently falls back to the reliable elem.style
      valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );

      // Normalize "", auto, and prepare for extra
      val = parseFloat( val ) || 0;
    }

    // use the active box-sizing model to add/subtract irrelevant styles
    return ( val +
      augmentWidthOrHeight(
        elem,
        name,
        extra || ( isBorderBox ? "border" : "content" ),
        valueIsBorderBox
      )
      ) + "px";
  }


// Try to determine the default display value of an element
  function css_defaultDisplay( nodeName ) {
    if ( elemdisplay[ nodeName ] ) {
      return elemdisplay[ nodeName ];
    }

    var elem = jQuery( "<" + nodeName + ">" ).appendTo( document.body ),
      display = elem.css("display");
    elem.remove();

    // If the simple way fails,
    // get element's real default display by attaching it to a temp iframe
    if ( display === "none" || display === "" ) {
      // Use the already-created iframe if possible
      iframe = document.body.appendChild(
        iframe || jQuery.extend( document.createElement("iframe"), {
          frameBorder: 0,
          width: 0,
          height: 0
        })
      );

      // Create a cacheable copy of the iframe document on first call.
      // IE and Opera will allow us to reuse the iframeDoc without re-writing the fake HTML
      // document to it; WebKit & Firefox won't allow reusing the iframe document.
      if ( !iframeDoc || !iframe.createElement ) {
        iframeDoc = ( iframe.contentWindow || iframe.contentDocument ).document;
        iframeDoc.write("<!doctype html><html><body>");
        iframeDoc.close();
      }

      elem = iframeDoc.body.appendChild( iframeDoc.createElement(nodeName) );

      display = curCSS( elem, "display" );
      document.body.removeChild( iframe );
    }

    // Store the correct default display
    elemdisplay[ nodeName ] = display;

    return display;
  }

  jQuery.each([ "height", "width" ], function( i, name ) {
    jQuery.cssHooks[ name ] = {
      get: function( elem, computed, extra ) {
        if ( computed ) {
          // certain elements can have dimension info if we invisibly show them
          // however, it must have a current display style that would benefit from this
          if ( elem.offsetWidth === 0 && rdisplayswap.test( curCSS( elem, "display" ) ) ) {
            return jQuery.swap( elem, cssShow, function() {
              return getWidthOrHeight( elem, name, extra );
            });
          } else {
            return getWidthOrHeight( elem, name, extra );
          }
        }
      },

      set: function( elem, value, extra ) {
        return setPositiveNumber( elem, value, extra ?
          augmentWidthOrHeight(
            elem,
            name,
            extra,
            jQuery.support.boxSizing && jQuery.css( elem, "boxSizing" ) === "border-box"
          ) : 0
        );
      }
    };
  });

  if ( !jQuery.support.opacity ) {
    jQuery.cssHooks.opacity = {
      get: function( elem, computed ) {
        // IE uses filters for opacity
        return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
          ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
          computed ? "1" : "";
      },

      set: function( elem, value ) {
        var style = elem.style,
          currentStyle = elem.currentStyle,
          opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
          filter = currentStyle && currentStyle.filter || style.filter || "";

        // IE has trouble with opacity if it does not have layout
        // Force it by setting the zoom level
        style.zoom = 1;

        // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
        if ( value >= 1 && jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
          style.removeAttribute ) {

          // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
          // if "filter:" is present at all, clearType is disabled, we want to avoid this
          // style.removeAttribute is IE Only, but so apparently is this code path...
          style.removeAttribute( "filter" );

          // if there there is no filter style applied in a css rule, we are done
          if ( currentStyle && !currentStyle.filter ) {
            return;
          }
        }

        // otherwise, set new filter values
        style.filter = ralpha.test( filter ) ?
          filter.replace( ralpha, opacity ) :
          filter + " " + opacity;
      }
    };
  }

// These hooks cannot be added until DOM ready because the support test
// for it is not run until after DOM ready
  jQuery(function() {
    if ( !jQuery.support.reliableMarginRight ) {
      jQuery.cssHooks.marginRight = {
        get: function( elem, computed ) {
          // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
          // Work around by temporarily setting element display to inline-block
          return jQuery.swap( elem, { "display": "inline-block" }, function() {
            if ( computed ) {
              return curCSS( elem, "marginRight" );
            }
          });
        }
      };
    }

    // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
    // getComputedStyle returns percent when specified for top/left/bottom/right
    // rather than make the css module depend on the offset module, we just check for it here
    if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
      jQuery.each( [ "top", "left" ], function( i, prop ) {
        jQuery.cssHooks[ prop ] = {
          get: function( elem, computed ) {
            if ( computed ) {
              var ret = curCSS( elem, prop );
              // if curCSS returns percentage, fallback to offset
              return rnumnonpx.test( ret ) ? jQuery( elem ).position()[ prop ] + "px" : ret;
            }
          }
        };
      });
    }

  });

  if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.hidden = function( elem ) {
      return ( elem.offsetWidth === 0 && elem.offsetHeight === 0 ) || (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || curCSS( elem, "display" )) === "none");
    };

    jQuery.expr.filters.visible = function( elem ) {
      return !jQuery.expr.filters.hidden( elem );
    };
  }

// These hooks are used by animate to expand properties
  jQuery.each({
    margin: "",
    padding: "",
    border: "Width"
  }, function( prefix, suffix ) {
    jQuery.cssHooks[ prefix + suffix ] = {
      expand: function( value ) {
        var i,

        // assumes a single number if not a string
          parts = typeof value === "string" ? value.split(" ") : [ value ],
          expanded = {};

        for ( i = 0; i < 4; i++ ) {
          expanded[ prefix + cssExpand[ i ] + suffix ] =
            parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
        }

        return expanded;
      }
    };

    if ( !rmargin.test( prefix ) ) {
      jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
    }
  });
  var r20 = /%20/g,
    rbracket = /\[\]$/,
    rCRLF = /\r?\n/g,
    rinput = /^(?:color|date|datetime|datetime-local|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
    rselectTextarea = /^(?:select|textarea)/i;

  jQuery.fn.extend({
    serialize: function() {
      return jQuery.param( this.serializeArray() );
    },
    serializeArray: function() {
      return this.map(function(){
        return this.elements ? jQuery.makeArray( this.elements ) : this;
      })
        .filter(function(){
          return this.name && !this.disabled &&
            ( this.checked || rselectTextarea.test( this.nodeName ) ||
              rinput.test( this.type ) );
        })
        .map(function( i, elem ){
          var val = jQuery( this ).val();

          return val == null ?
            null :
            jQuery.isArray( val ) ?
              jQuery.map( val, function( val, i ){
                return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
              }) :
            { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
        }).get();
    }
  });

//Serialize an array of form elements or a set of
//key/values into a query string
  jQuery.param = function( a, traditional ) {
    var prefix,
      s = [],
      add = function( key, value ) {
        // If value is a function, invoke it and return its value
        value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
        s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
      };

    // Set traditional to true for jQuery <= 1.3.2 behavior.
    if ( traditional === undefined ) {
      traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    }

    // If an array was passed in, assume that it is an array of form elements.
    if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
      // Serialize the form elements
      jQuery.each( a, function() {
        add( this.name, this.value );
      });

    } else {
      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for ( prefix in a ) {
        buildParams( prefix, a[ prefix ], traditional, add );
      }
    }

    // Return the resulting serialization
    return s.join( "&" ).replace( r20, "+" );
  };

  function buildParams( prefix, obj, traditional, add ) {
    var name;

    if ( jQuery.isArray( obj ) ) {
      // Serialize array item.
      jQuery.each( obj, function( i, v ) {
        if ( traditional || rbracket.test( prefix ) ) {
          // Treat each array item as a scalar.
          add( prefix, v );

        } else {
          // If array item is non-scalar (array or object), encode its
          // numeric index to resolve deserialization ambiguity issues.
          // Note that rack (as of 1.0.0) can't currently deserialize
          // nested arrays properly, and attempting to do so may cause
          // a server error. Possible fixes are to modify rack's
          // deserialization algorithm or to provide an option or flag
          // to force array serialization to be shallow.
          buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
        }
      });

    } else if ( !traditional && jQuery.type( obj ) === "object" ) {
      // Serialize object item.
      for ( name in obj ) {
        buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
      }

    } else {
      // Serialize scalar item.
      add( prefix, obj );
    }
  }
  var
  // Document location
    ajaxLocParts,
    ajaxLocation,

    rhash = /#.*$/,
    rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
  // #7653, #8125, #8152: local protocol detection
    rlocalProtocol = /^(?:about|app|app\-storage|.+\-extension|file|res|widget):$/,
    rnoContent = /^(?:GET|HEAD)$/,
    rprotocol = /^\/\//,
    rquery = /\?/,
    rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
    rts = /([?&])_=[^&]*/,
    rurl = /^([\w\+\.\-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,

  // Keep a copy of the old load method
    _load = jQuery.fn.load,

  /* Prefilters
   * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
   * 2) These are called:
   *    - BEFORE asking for a transport
   *    - AFTER param serialization (s.data is a string if s.processData is true)
   * 3) key is the dataType
   * 4) the catchall symbol "*" can be used
   * 5) execution will start with transport dataType and THEN continue down to "*" if needed
   */
    prefilters = {},

  /* Transports bindings
   * 1) key is the dataType
   * 2) the catchall symbol "*" can be used
   * 3) selection will start with transport dataType and THEN go to "*" if needed
   */
    transports = {},

  // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
    allTypes = ["*/"] + ["*"];

// #8138, IE may throw an exception when accessing
// a field from window.location if document.domain has been set
  try {
    ajaxLocation = location.href;
  } catch( e ) {
    // Use the href attribute of an A element
    // since IE will modify it given document.location
    ajaxLocation = document.createElement( "a" );
    ajaxLocation.href = "";
    ajaxLocation = ajaxLocation.href;
  }

// Segment location into parts
  ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {

    // dataTypeExpression is optional and defaults to "*"
    return function( dataTypeExpression, func ) {

      if ( typeof dataTypeExpression !== "string" ) {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType, list, placeBefore,
        dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
        i = 0,
        length = dataTypes.length;

      if ( jQuery.isFunction( func ) ) {
        // For each dataType in the dataTypeExpression
        for ( ; i < length; i++ ) {
          dataType = dataTypes[ i ];
          // We control if we're asked to add before
          // any existing element
          placeBefore = /^\+/.test( dataType );
          if ( placeBefore ) {
            dataType = dataType.substr( 1 ) || "*";
          }
          list = structure[ dataType ] = structure[ dataType ] || [];
          // then we add to the structure accordingly
          list[ placeBefore ? "unshift" : "push" ]( func );
        }
      }
    };
  }

// Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR,
    dataType /* internal */, inspected /* internal */ ) {

    dataType = dataType || options.dataTypes[ 0 ];
    inspected = inspected || {};

    inspected[ dataType ] = true;

    var selection,
      list = structure[ dataType ],
      i = 0,
      length = list ? list.length : 0,
      executeOnly = ( structure === prefilters );

    for ( ; i < length && ( executeOnly || !selection ); i++ ) {
      selection = list[ i ]( options, originalOptions, jqXHR );
      // If we got redirected to another dataType
      // we try there if executing only and not done already
      if ( typeof selection === "string" ) {
        if ( !executeOnly || inspected[ selection ] ) {
          selection = undefined;
        } else {
          options.dataTypes.unshift( selection );
          selection = inspectPrefiltersOrTransports(
            structure, options, originalOptions, jqXHR, selection, inspected );
        }
      }
    }
    // If we're only executing or nothing was selected
    // we try the catchall dataType if not done already
    if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) {
      selection = inspectPrefiltersOrTransports(
        structure, options, originalOptions, jqXHR, "*", inspected );
    }
    // unnecessary when only executing (prefilters)
    // but it'll be ignored by the caller in that case
    return selection;
  }

// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
  function ajaxExtend( target, src ) {
    var key, deep,
      flatOptions = jQuery.ajaxSettings.flatOptions || {};
    for ( key in src ) {
      if ( src[ key ] !== undefined ) {
        ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
      }
    }
    if ( deep ) {
      jQuery.extend( true, target, deep );
    }
  }

  jQuery.fn.load = function( url, params, callback ) {
    if ( typeof url !== "string" && _load ) {
      return _load.apply( this, arguments );
    }

    // Don't do a request if no elements are being requested
    if ( !this.length ) {
      return this;
    }

    var selector, type, response,
      self = this,
      off = url.indexOf(" ");

    if ( off >= 0 ) {
      selector = url.slice( off, url.length );
      url = url.slice( 0, off );
    }

    // If it's a function
    if ( jQuery.isFunction( params ) ) {

      // We assume that it's the callback
      callback = params;
      params = undefined;

      // Otherwise, build a param string
    } else if ( params && typeof params === "object" ) {
      type = "POST";
    }

    // Request the remote document
    jQuery.ajax({
      url: url,

      // if "type" variable is undefined, then "GET" method will be used
      type: type,
      dataType: "html",
      data: params,
      complete: function( jqXHR, status ) {
        if ( callback ) {
          self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
        }
      }
    }).done(function( responseText ) {

        // Save response for use in complete callback
        response = arguments;

        // See if a selector was specified
        self.html( selector ?

          // Create a dummy div to hold the results
          jQuery("<div>")

            // inject the contents of the document in, removing the scripts
            // to avoid any 'Permission Denied' errors in IE
            .append( responseText.replace( rscript, "" ) )

            // Locate the specified elements
            .find( selector ) :

          // If not, just inject the full result
          responseText );

      });

    return this;
  };

// Attach a bunch of functions for handling common AJAX events
  jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){
    jQuery.fn[ o ] = function( f ){
      return this.on( o, f );
    };
  });

  jQuery.each( [ "get", "post" ], function( i, method ) {
    jQuery[ method ] = function( url, data, callback, type ) {
      // shift arguments if data argument was omitted
      if ( jQuery.isFunction( data ) ) {
        type = type || callback;
        callback = data;
        data = undefined;
      }

      return jQuery.ajax({
        type: method,
        url: url,
        data: data,
        success: callback,
        dataType: type
      });
    };
  });

  jQuery.extend({

    getScript: function( url, callback ) {
      return jQuery.get( url, undefined, callback, "script" );
    },

    getJSON: function( url, data, callback ) {
      return jQuery.get( url, data, callback, "json" );
    },

    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function( target, settings ) {
      if ( settings ) {
        // Building a settings object
        ajaxExtend( target, jQuery.ajaxSettings );
      } else {
        // Extending ajaxSettings
        settings = target;
        target = jQuery.ajaxSettings;
      }
      ajaxExtend( target, settings );
      return target;
    },

    ajaxSettings: {
      url: ajaxLocation,
      isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
      global: true,
      type: "GET",
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",
      processData: true,
      async: true,
      /*
       timeout: 0,
       data: null,
       dataType: null,
       username: null,
       password: null,
       cache: null,
       throws: false,
       traditional: false,
       headers: {},
       */

      accepts: {
        xml: "application/xml, text/xml",
        html: "text/html",
        text: "text/plain",
        json: "application/json, text/javascript",
        "*": allTypes
      },

      contents: {
        xml: /xml/,
        html: /html/,
        json: /json/
      },

      responseFields: {
        xml: "responseXML",
        text: "responseText"
      },

      // List of data converters
      // 1) key format is "source_type destination_type" (a single space in-between)
      // 2) the catchall symbol "*" can be used for source_type
      converters: {

        // Convert anything to text
        "* text": window.String,

        // Text to html (true = no transformation)
        "text html": true,

        // Evaluate text as a json expression
        "text json": jQuery.parseJSON,

        // Parse text as xml
        "text xml": jQuery.parseXML
      },

      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        context: true,
        url: true
      }
    },

    ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
    ajaxTransport: addToPrefiltersOrTransports( transports ),

    // Main method
    ajax: function( url, options ) {

      // If url is an object, simulate pre-1.5 signature
      if ( typeof url === "object" ) {
        options = url;
        url = undefined;
      }

      // Force options to be an object
      options = options || {};

      var // ifModified key
        ifModifiedKey,
      // Response headers
        responseHeadersString,
        responseHeaders,
      // transport
        transport,
      // timeout handle
        timeoutTimer,
      // Cross-domain detection vars
        parts,
      // To know if global events are to be dispatched
        fireGlobals,
      // Loop variable
        i,
      // Create the final options object
        s = jQuery.ajaxSetup( {}, options ),
      // Callbacks context
        callbackContext = s.context || s,
      // Context for global events
      // It's the callbackContext if one was provided in the options
      // and if it's a DOM node or a jQuery collection
        globalEventContext = callbackContext !== s &&
          ( callbackContext.nodeType || callbackContext instanceof jQuery ) ?
          jQuery( callbackContext ) : jQuery.event,
      // Deferreds
        deferred = jQuery.Deferred(),
        completeDeferred = jQuery.Callbacks( "once memory" ),
      // Status-dependent callbacks
        statusCode = s.statusCode || {},
      // Headers (they are sent all at once)
        requestHeaders = {},
        requestHeadersNames = {},
      // The jqXHR state
        state = 0,
      // Default abort message
        strAbort = "canceled",
      // Fake xhr
        jqXHR = {

          readyState: 0,

          // Caches the header
          setRequestHeader: function( name, value ) {
            if ( !state ) {
              var lname = name.toLowerCase();
              name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
              requestHeaders[ name ] = value;
            }
            return this;
          },

          // Raw string
          getAllResponseHeaders: function() {
            return state === 2 ? responseHeadersString : null;
          },

          // Builds headers hashtable if needed
          getResponseHeader: function( key ) {
            var match;
            if ( state === 2 ) {
              if ( !responseHeaders ) {
                responseHeaders = {};
                while( ( match = rheaders.exec( responseHeadersString ) ) ) {
                  responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
                }
              }
              match = responseHeaders[ key.toLowerCase() ];
            }
            return match === undefined ? null : match;
          },

          // Overrides response content-type header
          overrideMimeType: function( type ) {
            if ( !state ) {
              s.mimeType = type;
            }
            return this;
          },

          // Cancel the request
          abort: function( statusText ) {
            statusText = statusText || strAbort;
            if ( transport ) {
              transport.abort( statusText );
            }
            done( 0, statusText );
            return this;
          }
        };

      // Callback for when everything is done
      // It is defined here because jslint complains if it is declared
      // at the end of the function (which would be more logical and readable)
      function done( status, nativeStatusText, responses, headers ) {
        var isSuccess, success, error, response, modified,
          statusText = nativeStatusText;

        // Called once
        if ( state === 2 ) {
          return;
        }

        // State is "done" now
        state = 2;

        // Clear timeout if it exists
        if ( timeoutTimer ) {
          clearTimeout( timeoutTimer );
        }

        // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)
        transport = undefined;

        // Cache response headers
        responseHeadersString = headers || "";

        // Set readyState
        jqXHR.readyState = status > 0 ? 4 : 0;

        // Get response data
        if ( responses ) {
          response = ajaxHandleResponses( s, jqXHR, responses );
        }

        // If successful, handle type chaining
        if ( status >= 200 && status < 300 || status === 304 ) {

          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if ( s.ifModified ) {

            modified = jqXHR.getResponseHeader("Last-Modified");
            if ( modified ) {
              jQuery.lastModified[ ifModifiedKey ] = modified;
            }
            modified = jqXHR.getResponseHeader("Etag");
            if ( modified ) {
              jQuery.etag[ ifModifiedKey ] = modified;
            }
          }

          // If not modified
          if ( status === 304 ) {

            statusText = "notmodified";
            isSuccess = true;

            // If we have data
          } else {

            isSuccess = ajaxConvert( s, response );
            statusText = isSuccess.state;
            success = isSuccess.data;
            error = isSuccess.error;
            isSuccess = !error;
          }
        } else {
          // We extract error from statusText
          // then normalize statusText and status for non-aborts
          error = statusText;
          if ( !statusText || status ) {
            statusText = "error";
            if ( status < 0 ) {
              status = 0;
            }
          }
        }

        // Set data for the fake xhr object
        jqXHR.status = status;
        jqXHR.statusText = ( nativeStatusText || statusText ) + "";

        // Success/Error
        if ( isSuccess ) {
          deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
        } else {
          deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
        }

        // Status-dependent callbacks
        jqXHR.statusCode( statusCode );
        statusCode = undefined;

        if ( fireGlobals ) {
          globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ),
            [ jqXHR, s, isSuccess ? success : error ] );
        }

        // Complete
        completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
          // Handle the global AJAX counter
          if ( !( --jQuery.active ) ) {
            jQuery.event.trigger( "ajaxStop" );
          }
        }
      }

      // Attach deferreds
      deferred.promise( jqXHR );
      jqXHR.success = jqXHR.done;
      jqXHR.error = jqXHR.fail;
      jqXHR.complete = completeDeferred.add;

      // Status-dependent callbacks
      jqXHR.statusCode = function( map ) {
        if ( map ) {
          var tmp;
          if ( state < 2 ) {
            for ( tmp in map ) {
              statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ];
            }
          } else {
            tmp = map[ jqXHR.status ];
            jqXHR.always( tmp );
          }
        }
        return this;
      };

      // Remove hash character (#7531: and string promotion)
      // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
      // We also use the url parameter if available
      s.url = ( ( url || s.url ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );

      // Extract dataTypes list
      s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( core_rspace );

      // A cross-domain request is in order when we have a protocol:host:port mismatch
      if ( s.crossDomain == null ) {
        parts = rurl.exec( s.url.toLowerCase() );
        s.crossDomain = !!( parts &&
          ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
            ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) !=
              ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? 80 : 443 ) ) )
          );
      }

      // Convert data if not already a string
      if ( s.data && s.processData && typeof s.data !== "string" ) {
        s.data = jQuery.param( s.data, s.traditional );
      }

      // Apply prefilters
      inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

      // If request was aborted inside a prefilter, stop there
      if ( state === 2 ) {
        return jqXHR;
      }

      // We can fire global events as of now if asked to
      fireGlobals = s.global;

      // Uppercase the type
      s.type = s.type.toUpperCase();

      // Determine if request has content
      s.hasContent = !rnoContent.test( s.type );

      // Watch for a new set of requests
      if ( fireGlobals && jQuery.active++ === 0 ) {
        jQuery.event.trigger( "ajaxStart" );
      }

      // More options handling for requests with no content
      if ( !s.hasContent ) {

        // If data is available, append data to url
        if ( s.data ) {
          s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data;
          // #9682: remove data so that it's not used in an eventual retry
          delete s.data;
        }

        // Get ifModifiedKey before adding the anti-cache parameter
        ifModifiedKey = s.url;

        // Add anti-cache in url if needed
        if ( s.cache === false ) {

          var ts = jQuery.now(),
          // try replacing _= if it is there
            ret = s.url.replace( rts, "$1_=" + ts );

          // if nothing was replaced, add timestamp to the end
          s.url = ret + ( ( ret === s.url ) ? ( rquery.test( s.url ) ? "&" : "?" ) + "_=" + ts : "" );
        }
      }

      // Set the correct header, if data is being sent
      if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
        jqXHR.setRequestHeader( "Content-Type", s.contentType );
      }

      // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
      if ( s.ifModified ) {
        ifModifiedKey = ifModifiedKey || s.url;
        if ( jQuery.lastModified[ ifModifiedKey ] ) {
          jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ ifModifiedKey ] );
        }
        if ( jQuery.etag[ ifModifiedKey ] ) {
          jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ ifModifiedKey ] );
        }
      }

      // Set the Accepts header for the server, depending on the dataType
      jqXHR.setRequestHeader(
        "Accept",
        s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
          s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
          s.accepts[ "*" ]
      );

      // Check for headers option
      for ( i in s.headers ) {
        jqXHR.setRequestHeader( i, s.headers[ i ] );
      }

      // Allow custom headers/mimetypes and early abort
      if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
        // Abort if not done already and return
        return jqXHR.abort();

      }

      // aborting is no longer a cancellation
      strAbort = "abort";

      // Install callbacks on deferreds
      for ( i in { success: 1, error: 1, complete: 1 } ) {
        jqXHR[ i ]( s[ i ] );
      }

      // Get transport
      transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

      // If no transport, we auto-abort
      if ( !transport ) {
        done( -1, "No Transport" );
      } else {
        jqXHR.readyState = 1;
        // Send global event
        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
        }
        // Timeout
        if ( s.async && s.timeout > 0 ) {
          timeoutTimer = setTimeout( function(){
            jqXHR.abort( "timeout" );
          }, s.timeout );
        }

        try {
          state = 1;
          transport.send( requestHeaders, done );
        } catch (e) {
          // Propagate exception as error if not done
          if ( state < 2 ) {
            done( -1, e );
            // Simply rethrow otherwise
          } else {
            throw e;
          }
        }
      }

      return jqXHR;
    },

    // Counter for holding the number of active queries
    active: 0,

    // Last-Modified header cache for next request
    lastModified: {},
    etag: {}

  });

  /* Handles responses to an ajax request:
   * - sets all responseXXX fields accordingly
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */
  function ajaxHandleResponses( s, jqXHR, responses ) {

    var ct, type, finalDataType, firstDataType,
      contents = s.contents,
      dataTypes = s.dataTypes,
      responseFields = s.responseFields;

    // Fill responseXXX fields
    for ( type in responseFields ) {
      if ( type in responses ) {
        jqXHR[ responseFields[type] ] = responses[ type ];
      }
    }

    // Remove auto dataType and get content-type in the process
    while( dataTypes[ 0 ] === "*" ) {
      dataTypes.shift();
      if ( ct === undefined ) {
        ct = s.mimeType || jqXHR.getResponseHeader( "content-type" );
      }
    }

    // Check if we're dealing with a known content-type
    if ( ct ) {
      for ( type in contents ) {
        if ( contents[ type ] && contents[ type ].test( ct ) ) {
          dataTypes.unshift( type );
          break;
        }
      }
    }

    // Check to see if we have a response for the expected dataType
    if ( dataTypes[ 0 ] in responses ) {
      finalDataType = dataTypes[ 0 ];
    } else {
      // Try convertible dataTypes
      for ( type in responses ) {
        if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
          finalDataType = type;
          break;
        }
        if ( !firstDataType ) {
          firstDataType = type;
        }
      }
      // Or just use first one
      finalDataType = finalDataType || firstDataType;
    }

    // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response
    if ( finalDataType ) {
      if ( finalDataType !== dataTypes[ 0 ] ) {
        dataTypes.unshift( finalDataType );
      }
      return responses[ finalDataType ];
    }
  }

// Chain conversions given the request and the original response
  function ajaxConvert( s, response ) {

    var conv, conv2, current, tmp,
    // Work with a copy of dataTypes in case we need to modify it for conversion
      dataTypes = s.dataTypes.slice(),
      prev = dataTypes[ 0 ],
      converters = {},
      i = 0;

    // Apply the dataFilter if provided
    if ( s.dataFilter ) {
      response = s.dataFilter( response, s.dataType );
    }

    // Create converters map with lowercased keys
    if ( dataTypes[ 1 ] ) {
      for ( conv in s.converters ) {
        converters[ conv.toLowerCase() ] = s.converters[ conv ];
      }
    }

    // Convert to each sequential dataType, tolerating list modification
    for ( ; (current = dataTypes[++i]); ) {

      // There's only work to do if current dataType is non-auto
      if ( current !== "*" ) {

        // Convert response if prev dataType is non-auto and differs from current
        if ( prev !== "*" && prev !== current ) {

          // Seek a direct converter
          conv = converters[ prev + " " + current ] || converters[ "* " + current ];

          // If none found, seek a pair
          if ( !conv ) {
            for ( conv2 in converters ) {

              // If conv2 outputs current
              tmp = conv2.split(" ");
              if ( tmp[ 1 ] === current ) {

                // If prev can be converted to accepted input
                conv = converters[ prev + " " + tmp[ 0 ] ] ||
                  converters[ "* " + tmp[ 0 ] ];
                if ( conv ) {
                  // Condense equivalence converters
                  if ( conv === true ) {
                    conv = converters[ conv2 ];

                    // Otherwise, insert the intermediate dataType
                  } else if ( converters[ conv2 ] !== true ) {
                    current = tmp[ 0 ];
                    dataTypes.splice( i--, 0, current );
                  }

                  break;
                }
              }
            }
          }

          // Apply converter (if not an equivalence)
          if ( conv !== true ) {

            // Unless errors are allowed to bubble, catch and return them
            if ( conv && s["throws"] ) {
              response = conv( response );
            } else {
              try {
                response = conv( response );
              } catch ( e ) {
                return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
              }
            }
          }
        }

        // Update prev for next iteration
        prev = current;
      }
    }

    return { state: "success", data: response };
  }
  var oldCallbacks = [],
    rquestion = /\?/,
    rjsonp = /(=)\?(?=&|$)|\?\?/,
    nonce = jQuery.now();

// Default jsonp settings
  jQuery.ajaxSetup({
    jsonp: "callback",
    jsonpCallback: function() {
      var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
      this[ callback ] = true;
      return callback;
    }
  });

// Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

    var callbackName, overwritten, responseContainer,
      data = s.data,
      url = s.url,
      hasCallback = s.jsonp !== false,
      replaceInUrl = hasCallback && rjsonp.test( url ),
      replaceInData = hasCallback && !replaceInUrl && typeof data === "string" &&
        !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") &&
        rjsonp.test( data );

    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if ( s.dataTypes[ 0 ] === "jsonp" || replaceInUrl || replaceInData ) {

      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
        s.jsonpCallback() :
        s.jsonpCallback;
      overwritten = window[ callbackName ];

      // Insert callback into url or form data
      if ( replaceInUrl ) {
        s.url = url.replace( rjsonp, "$1" + callbackName );
      } else if ( replaceInData ) {
        s.data = data.replace( rjsonp, "$1" + callbackName );
      } else if ( hasCallback ) {
        s.url += ( rquestion.test( url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
      }

      // Use data converter to retrieve json after script execution
      s.converters["script json"] = function() {
        if ( !responseContainer ) {
          jQuery.error( callbackName + " was not called" );
        }
        return responseContainer[ 0 ];
      };

      // force json dataType
      s.dataTypes[ 0 ] = "json";

      // Install callback
      window[ callbackName ] = function() {
        responseContainer = arguments;
      };

      // Clean-up function (fires after converters)
      jqXHR.always(function() {
        // Restore preexisting value
        window[ callbackName ] = overwritten;

        // Save back as free
        if ( s[ callbackName ] ) {
          // make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback;

          // save the callback name for future use
          oldCallbacks.push( callbackName );
        }

        // Call if it was a function and we have a response
        if ( responseContainer && jQuery.isFunction( overwritten ) ) {
          overwritten( responseContainer[ 0 ] );
        }

        responseContainer = overwritten = undefined;
      });

      // Delegate to script
      return "script";
    }
  });
// Install script dataType
  jQuery.ajaxSetup({
    accepts: {
      script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /javascript|ecmascript/
    },
    converters: {
      "text script": function( text ) {
        jQuery.globalEval( text );
        return text;
      }
    }
  });

// Handle cache's special case and global
  jQuery.ajaxPrefilter( "script", function( s ) {
    if ( s.cache === undefined ) {
      s.cache = false;
    }
    if ( s.crossDomain ) {
      s.type = "GET";
      s.global = false;
    }
  });

// Bind script tag hack transport
  jQuery.ajaxTransport( "script", function(s) {

    // This transport only deals with cross domain requests
    if ( s.crossDomain ) {

      var script,
        head = document.head || document.getElementsByTagName( "head" )[0] || document.documentElement;

      return {

        send: function( _, callback ) {

          script = document.createElement( "script" );

          script.async = "async";

          if ( s.scriptCharset ) {
            script.charset = s.scriptCharset;
          }

          script.src = s.url;

          // Attach handlers for all browsers
          script.onload = script.onreadystatechange = function( _, isAbort ) {

            if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {

              // Handle memory leak in IE
              script.onload = script.onreadystatechange = null;

              // Remove the script
              if ( head && script.parentNode ) {
                head.removeChild( script );
              }

              // Dereference the script
              script = undefined;

              // Callback if not abort
              if ( !isAbort ) {
                callback( 200, "success" );
              }
            }
          };
          // Use insertBefore instead of appendChild  to circumvent an IE6 bug.
          // This arises when a base node is used (#2709 and #4378).
          head.insertBefore( script, head.firstChild );
        },

        abort: function() {
          if ( script ) {
            script.onload( 0, 1 );
          }
        }
      };
    }
  });
  var xhrCallbacks,
  // #5280: Internet Explorer will keep connections alive if we don't abort on unload
    xhrOnUnloadAbort = window.ActiveXObject ? function() {
      // Abort all pending requests
      for ( var key in xhrCallbacks ) {
        xhrCallbacks[ key ]( 0, 1 );
      }
    } : false,
    xhrId = 0;

// Functions to create xhrs
  function createStandardXHR() {
    try {
      return new window.XMLHttpRequest();
    } catch( e ) {}
  }

  function createActiveXHR() {
    try {
      return new window.ActiveXObject( "Microsoft.XMLHTTP" );
    } catch( e ) {}
  }

// Create the request object
// (This is still attached to ajaxSettings for backward compatibility)
  jQuery.ajaxSettings.xhr = window.ActiveXObject ?
    /* Microsoft failed to properly
     * implement the XMLHttpRequest in IE7 (can't request local files),
     * so we use the ActiveXObject when it is available
     * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
     * we need a fallback.
     */
    function() {
      return !this.isLocal && createStandardXHR() || createActiveXHR();
    } :
    // For all other browsers, use the standard XMLHttpRequest object
    createStandardXHR;

// Determine support properties
  (function( xhr ) {
    jQuery.extend( jQuery.support, {
      ajax: !!xhr,
      cors: !!xhr && ( "withCredentials" in xhr )
    });
  })( jQuery.ajaxSettings.xhr() );

// Create transport if the browser can provide an xhr
  if ( jQuery.support.ajax ) {

    jQuery.ajaxTransport(function( s ) {
      // Cross domain only allowed if supported through XMLHttpRequest
      if ( !s.crossDomain || jQuery.support.cors ) {

        var callback;

        return {
          send: function( headers, complete ) {

            // Get a new xhr
            var handle, i,
              xhr = s.xhr();

            // Open the socket
            // Passing null username, generates a login popup on Opera (#2865)
            if ( s.username ) {
              xhr.open( s.type, s.url, s.async, s.username, s.password );
            } else {
              xhr.open( s.type, s.url, s.async );
            }

            // Apply custom fields if provided
            if ( s.xhrFields ) {
              for ( i in s.xhrFields ) {
                xhr[ i ] = s.xhrFields[ i ];
              }
            }

            // Override mime type if needed
            if ( s.mimeType && xhr.overrideMimeType ) {
              xhr.overrideMimeType( s.mimeType );
            }

            // X-Requested-With header
            // For cross-domain requests, seeing as conditions for a preflight are
            // akin to a jigsaw puzzle, we simply never set it to be sure.
            // (it can always be set on a per-request basis or even using ajaxSetup)
            // For same-domain requests, won't change header if already provided.
            if ( !s.crossDomain && !headers["X-Requested-With"] ) {
              headers[ "X-Requested-With" ] = "XMLHttpRequest";
            }

            // Need an extra try/catch for cross domain requests in Firefox 3
            try {
              for ( i in headers ) {
                xhr.setRequestHeader( i, headers[ i ] );
              }
            } catch( _ ) {}

            // Do send the request
            // This may raise an exception which is actually
            // handled in jQuery.ajax (so no try/catch here)
            xhr.send( ( s.hasContent && s.data ) || null );

            // Listener
            callback = function( _, isAbort ) {

              var status,
                statusText,
                responseHeaders,
                responses,
                xml;

              // Firefox throws exceptions when accessing properties
              // of an xhr when a network error occurred
              // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
              try {

                // Was never called and is aborted or complete
                if ( callback && ( isAbort || xhr.readyState === 4 ) ) {

                  // Only called once
                  callback = undefined;

                  // Do not keep as active anymore
                  if ( handle ) {
                    xhr.onreadystatechange = jQuery.noop;
                    if ( xhrOnUnloadAbort ) {
                      delete xhrCallbacks[ handle ];
                    }
                  }

                  // If it's an abort
                  if ( isAbort ) {
                    // Abort it manually if needed
                    if ( xhr.readyState !== 4 ) {
                      xhr.abort();
                    }
                  } else {
                    status = xhr.status;
                    responseHeaders = xhr.getAllResponseHeaders();
                    responses = {};
                    xml = xhr.responseXML;

                    // Construct response list
                    if ( xml && xml.documentElement /* #4958 */ ) {
                      responses.xml = xml;
                    }

                    // When requesting binary data, IE6-9 will throw an exception
                    // on any attempt to access responseText (#11426)
                    try {
                      responses.text = xhr.responseText;
                    } catch( e ) {
                    }

                    // Firefox throws an exception when accessing
                    // statusText for faulty cross-domain requests
                    try {
                      statusText = xhr.statusText;
                    } catch( e ) {
                      // We normalize with Webkit giving an empty statusText
                      statusText = "";
                    }

                    // Filter status for non standard behaviors

                    // If the request is local and we have data: assume a success
                    // (success with no data won't get notified, that's the best we
                    // can do given current implementations)
                    if ( !status && s.isLocal && !s.crossDomain ) {
                      status = responses.text ? 200 : 404;
                      // IE - #1450: sometimes returns 1223 when it should be 204
                    } else if ( status === 1223 ) {
                      status = 204;
                    }
                  }
                }
              } catch( firefoxAccessException ) {
                if ( !isAbort ) {
                  complete( -1, firefoxAccessException );
                }
              }

              // Call complete if needed
              if ( responses ) {
                complete( status, statusText, responses, responseHeaders );
              }
            };

            if ( !s.async ) {
              // if we're in sync mode we fire the callback
              callback();
            } else if ( xhr.readyState === 4 ) {
              // (IE6 & IE7) if it's in cache and has been
              // retrieved directly we need to fire the callback
              setTimeout( callback, 0 );
            } else {
              handle = ++xhrId;
              if ( xhrOnUnloadAbort ) {
                // Create the active xhrs callbacks list if needed
                // and attach the unload handler
                if ( !xhrCallbacks ) {
                  xhrCallbacks = {};
                  jQuery( window ).unload( xhrOnUnloadAbort );
                }
                // Add to list of active xhrs callbacks
                xhrCallbacks[ handle ] = callback;
              }
              xhr.onreadystatechange = callback;
            }
          },

          abort: function() {
            if ( callback ) {
              callback(0,1);
            }
          }
        };
      }
    });
  }
  var fxNow, timerId,
    rfxtypes = /^(?:toggle|show|hide)$/,
    rfxnum = new RegExp( "^(?:([-+])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
    rrun = /queueHooks$/,
    animationPrefilters = [ defaultPrefilter ],
    tweeners = {
      "*": [function( prop, value ) {
        var end, unit,
          tween = this.createTween( prop, value ),
          parts = rfxnum.exec( value ),
          target = tween.cur(),
          start = +target || 0,
          scale = 1,
          maxIterations = 20;

        if ( parts ) {
          end = +parts[2];
          unit = parts[3] || ( jQuery.cssNumber[ prop ] ? "" : "px" );

          // We need to compute starting value
          if ( unit !== "px" && start ) {
            // Iteratively approximate from a nonzero starting point
            // Prefer the current property, because this process will be trivial if it uses the same units
            // Fallback to end or a simple constant
            start = jQuery.css( tween.elem, prop, true ) || end || 1;

            do {
              // If previous iteration zeroed out, double until we get *something*
              // Use a string for doubling factor so we don't accidentally see scale as unchanged below
              scale = scale || ".5";

              // Adjust and apply
              start = start / scale;
              jQuery.style( tween.elem, prop, start + unit );

              // Update scale, tolerating zero or NaN from tween.cur()
              // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
            } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
          }

          tween.unit = unit;
          tween.start = start;
          // If a +=/-= token was provided, we're doing a relative animation
          tween.end = parts[1] ? start + ( parts[1] + 1 ) * end : end;
        }
        return tween;
      }]
    };

// Animations created synchronously will run synchronously
  function createFxNow() {
    setTimeout(function() {
      fxNow = undefined;
    }, 0 );
    return ( fxNow = jQuery.now() );
  }

  function createTweens( animation, props ) {
    jQuery.each( props, function( prop, value ) {
      var collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
        index = 0,
        length = collection.length;
      for ( ; index < length; index++ ) {
        if ( collection[ index ].call( animation, prop, value ) ) {

          // we're done with this property
          return;
        }
      }
    });
  }

  function Animation( elem, properties, options ) {
    var result,
      index = 0,
      tweenerIndex = 0,
      length = animationPrefilters.length,
      deferred = jQuery.Deferred().always( function() {
        // don't match elem in the :animated selector
        delete tick.elem;
      }),
      tick = function() {
        var currentTime = fxNow || createFxNow(),
          remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
        // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
          temp = remaining / animation.duration || 0,
          percent = 1 - temp,
          index = 0,
          length = animation.tweens.length;

        for ( ; index < length ; index++ ) {
          animation.tweens[ index ].run( percent );
        }

        deferred.notifyWith( elem, [ animation, percent, remaining ]);

        if ( percent < 1 && length ) {
          return remaining;
        } else {
          deferred.resolveWith( elem, [ animation ] );
          return false;
        }
      },
      animation = deferred.promise({
        elem: elem,
        props: jQuery.extend( {}, properties ),
        opts: jQuery.extend( true, { specialEasing: {} }, options ),
        originalProperties: properties,
        originalOptions: options,
        startTime: fxNow || createFxNow(),
        duration: options.duration,
        tweens: [],
        createTween: function( prop, end, easing ) {
          var tween = jQuery.Tween( elem, animation.opts, prop, end,
            animation.opts.specialEasing[ prop ] || animation.opts.easing );
          animation.tweens.push( tween );
          return tween;
        },
        stop: function( gotoEnd ) {
          var index = 0,
          // if we are going to the end, we want to run all the tweens
          // otherwise we skip this part
            length = gotoEnd ? animation.tweens.length : 0;

          for ( ; index < length ; index++ ) {
            animation.tweens[ index ].run( 1 );
          }

          // resolve when we played the last frame
          // otherwise, reject
          if ( gotoEnd ) {
            deferred.resolveWith( elem, [ animation, gotoEnd ] );
          } else {
            deferred.rejectWith( elem, [ animation, gotoEnd ] );
          }
          return this;
        }
      }),
      props = animation.props;

    propFilter( props, animation.opts.specialEasing );

    for ( ; index < length ; index++ ) {
      result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
      if ( result ) {
        return result;
      }
    }

    createTweens( animation, props );

    if ( jQuery.isFunction( animation.opts.start ) ) {
      animation.opts.start.call( elem, animation );
    }

    jQuery.fx.timer(
      jQuery.extend( tick, {
        anim: animation,
        queue: animation.opts.queue,
        elem: elem
      })
    );

    // attach callbacks from options
    return animation.progress( animation.opts.progress )
      .done( animation.opts.done, animation.opts.complete )
      .fail( animation.opts.fail )
      .always( animation.opts.always );
  }

  function propFilter( props, specialEasing ) {
    var index, name, easing, value, hooks;

    // camelCase, specialEasing and expand cssHook pass
    for ( index in props ) {
      name = jQuery.camelCase( index );
      easing = specialEasing[ name ];
      value = props[ index ];
      if ( jQuery.isArray( value ) ) {
        easing = value[ 1 ];
        value = props[ index ] = value[ 0 ];
      }

      if ( index !== name ) {
        props[ name ] = value;
        delete props[ index ];
      }

      hooks = jQuery.cssHooks[ name ];
      if ( hooks && "expand" in hooks ) {
        value = hooks.expand( value );
        delete props[ name ];

        // not quite $.extend, this wont overwrite keys already present.
        // also - reusing 'index' from above because we have the correct "name"
        for ( index in value ) {
          if ( !( index in props ) ) {
            props[ index ] = value[ index ];
            specialEasing[ index ] = easing;
          }
        }
      } else {
        specialEasing[ name ] = easing;
      }
    }
  }

  jQuery.Animation = jQuery.extend( Animation, {

    tweener: function( props, callback ) {
      if ( jQuery.isFunction( props ) ) {
        callback = props;
        props = [ "*" ];
      } else {
        props = props.split(" ");
      }

      var prop,
        index = 0,
        length = props.length;

      for ( ; index < length ; index++ ) {
        prop = props[ index ];
        tweeners[ prop ] = tweeners[ prop ] || [];
        tweeners[ prop ].unshift( callback );
      }
    },

    prefilter: function( callback, prepend ) {
      if ( prepend ) {
        animationPrefilters.unshift( callback );
      } else {
        animationPrefilters.push( callback );
      }
    }
  });

  function defaultPrefilter( elem, props, opts ) {
    var index, prop, value, length, dataShow, toggle, tween, hooks, oldfire,
      anim = this,
      style = elem.style,
      orig = {},
      handled = [],
      hidden = elem.nodeType && isHidden( elem );

    // handle queue: false promises
    if ( !opts.queue ) {
      hooks = jQuery._queueHooks( elem, "fx" );
      if ( hooks.unqueued == null ) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;
        hooks.empty.fire = function() {
          if ( !hooks.unqueued ) {
            oldfire();
          }
        };
      }
      hooks.unqueued++;

      anim.always(function() {
        // doing this makes sure that the complete handler will be called
        // before this completes
        anim.always(function() {
          hooks.unqueued--;
          if ( !jQuery.queue( elem, "fx" ).length ) {
            hooks.empty.fire();
          }
        });
      });
    }

    // height/width overflow pass
    if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
      // Make sure that nothing sneaks out
      // Record all 3 overflow attributes because IE does not
      // change the overflow attribute when overflowX and
      // overflowY are set to the same value
      opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

      // Set display property to inline-block for height/width
      // animations on inline elements that are having width/height animated
      if ( jQuery.css( elem, "display" ) === "inline" &&
        jQuery.css( elem, "float" ) === "none" ) {

        // inline-level elements accept inline-block;
        // block-level elements need to be inline with layout
        if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
          style.display = "inline-block";

        } else {
          style.zoom = 1;
        }
      }
    }

    if ( opts.overflow ) {
      style.overflow = "hidden";
      if ( !jQuery.support.shrinkWrapBlocks ) {
        anim.done(function() {
          style.overflow = opts.overflow[ 0 ];
          style.overflowX = opts.overflow[ 1 ];
          style.overflowY = opts.overflow[ 2 ];
        });
      }
    }


    // show/hide pass
    for ( index in props ) {
      value = props[ index ];
      if ( rfxtypes.exec( value ) ) {
        delete props[ index ];
        toggle = toggle || value === "toggle";
        if ( value === ( hidden ? "hide" : "show" ) ) {
          continue;
        }
        handled.push( index );
      }
    }

    length = handled.length;
    if ( length ) {
      dataShow = jQuery._data( elem, "fxshow" ) || jQuery._data( elem, "fxshow", {} );
      if ( "hidden" in dataShow ) {
        hidden = dataShow.hidden;
      }

      // store state if its toggle - enables .stop().toggle() to "reverse"
      if ( toggle ) {
        dataShow.hidden = !hidden;
      }
      if ( hidden ) {
        jQuery( elem ).show();
      } else {
        anim.done(function() {
          jQuery( elem ).hide();
        });
      }
      anim.done(function() {
        var prop;
        jQuery.removeData( elem, "fxshow", true );
        for ( prop in orig ) {
          jQuery.style( elem, prop, orig[ prop ] );
        }
      });
      for ( index = 0 ; index < length ; index++ ) {
        prop = handled[ index ];
        tween = anim.createTween( prop, hidden ? dataShow[ prop ] : 0 );
        orig[ prop ] = dataShow[ prop ] || jQuery.style( elem, prop );

        if ( !( prop in dataShow ) ) {
          dataShow[ prop ] = tween.start;
          if ( hidden ) {
            tween.end = tween.start;
            tween.start = prop === "width" || prop === "height" ? 1 : 0;
          }
        }
      }
    }
  }

  function Tween( elem, options, prop, end, easing ) {
    return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;

  Tween.prototype = {
    constructor: Tween,
    init: function( elem, options, prop, end, easing, unit ) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || "swing";
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
    },
    cur: function() {
      var hooks = Tween.propHooks[ this.prop ];

      return hooks && hooks.get ?
        hooks.get( this ) :
        Tween.propHooks._default.get( this );
    },
    run: function( percent ) {
      var eased,
        hooks = Tween.propHooks[ this.prop ];

      if ( this.options.duration ) {
        this.pos = eased = jQuery.easing[ this.easing ](
          percent, this.options.duration * percent, 0, 1, this.options.duration
        );
      } else {
        this.pos = eased = percent;
      }
      this.now = ( this.end - this.start ) * eased + this.start;

      if ( this.options.step ) {
        this.options.step.call( this.elem, this.now, this );
      }

      if ( hooks && hooks.set ) {
        hooks.set( this );
      } else {
        Tween.propHooks._default.set( this );
      }
      return this;
    }
  };

  Tween.prototype.init.prototype = Tween.prototype;

  Tween.propHooks = {
    _default: {
      get: function( tween ) {
        var result;

        if ( tween.elem[ tween.prop ] != null &&
          (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
          return tween.elem[ tween.prop ];
        }

        // passing any value as a 4th parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails
        // so, simple values such as "10px" are parsed to Float.
        // complex values such as "rotate(1rad)" are returned as is.
        result = jQuery.css( tween.elem, tween.prop, false, "" );
        // Empty strings, null, undefined and "auto" are converted to 0.
        return !result || result === "auto" ? 0 : result;
      },
      set: function( tween ) {
        // use step hook for back compat - use cssHook if its there - use .style if its
        // available and use plain properties where available
        if ( jQuery.fx.step[ tween.prop ] ) {
          jQuery.fx.step[ tween.prop ]( tween );
        } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
          jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
        } else {
          tween.elem[ tween.prop ] = tween.now;
        }
      }
    }
  };

// Remove in 2.0 - this supports IE8's panic based approach
// to setting things on disconnected nodes

  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function( tween ) {
      if ( tween.elem.nodeType && tween.elem.parentNode ) {
        tween.elem[ tween.prop ] = tween.now;
      }
    }
  };

  jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
    var cssFn = jQuery.fn[ name ];
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return speed == null || typeof speed === "boolean" ||
        // special check for .toggle( handler, handler, ... )
        ( !i && jQuery.isFunction( speed ) && jQuery.isFunction( easing ) ) ?
        cssFn.apply( this, arguments ) :
        this.animate( genFx( name, true ), speed, easing, callback );
    };
  });

  jQuery.fn.extend({
    fadeTo: function( speed, to, easing, callback ) {

      // show any hidden elements after setting opacity to 0
      return this.filter( isHidden ).css( "opacity", 0 ).show()

        // animate to the value specified
        .end().animate({ opacity: to }, speed, easing, callback );
    },
    animate: function( prop, speed, easing, callback ) {
      var empty = jQuery.isEmptyObject( prop ),
        optall = jQuery.speed( speed, easing, callback ),
        doAnimation = function() {
          // Operate on a copy of prop so per-property easing won't be lost
          var anim = Animation( this, jQuery.extend( {}, prop ), optall );

          // Empty animations resolve immediately
          if ( empty ) {
            anim.stop( true );
          }
        };

      return empty || optall.queue === false ?
        this.each( doAnimation ) :
        this.queue( optall.queue, doAnimation );
    },
    stop: function( type, clearQueue, gotoEnd ) {
      var stopQueue = function( hooks ) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop( gotoEnd );
      };

      if ( typeof type !== "string" ) {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }
      if ( clearQueue && type !== false ) {
        this.queue( type || "fx", [] );
      }

      return this.each(function() {
        var dequeue = true,
          index = type != null && type + "queueHooks",
          timers = jQuery.timers,
          data = jQuery._data( this );

        if ( index ) {
          if ( data[ index ] && data[ index ].stop ) {
            stopQueue( data[ index ] );
          }
        } else {
          for ( index in data ) {
            if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
              stopQueue( data[ index ] );
            }
          }
        }

        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
            timers[ index ].anim.stop( gotoEnd );
            dequeue = false;
            timers.splice( index, 1 );
          }
        }

        // start the next in the queue if the last step wasn't forced
        // timers currently will call their complete callbacks, which will dequeue
        // but only if they were gotoEnd
        if ( dequeue || !gotoEnd ) {
          jQuery.dequeue( this, type );
        }
      });
    }
  });

// Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
    var which,
      attrs = { height: type },
      i = 0;

    // if we include width, step value is 1 to do all cssExpand values,
    // if we don't include width, step value is 2 to skip over Left and Right
    includeWidth = includeWidth? 1 : 0;
    for( ; i < 4 ; i += 2 - includeWidth ) {
      which = cssExpand[ i ];
      attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
    }

    if ( includeWidth ) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

// Generate shortcuts for custom animations
  jQuery.each({
    slideDown: genFx("show"),
    slideUp: genFx("hide"),
    slideToggle: genFx("toggle"),
    fadeIn: { opacity: "show" },
    fadeOut: { opacity: "hide" },
    fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return this.animate( props, speed, easing, callback );
    };
  });

  jQuery.speed = function( speed, easing, fn ) {
    var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
      complete: fn || !fn && easing ||
        jQuery.isFunction( speed ) && speed,
      duration: speed,
      easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
    };

    opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
      opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;

    // normalize opt.queue - true/undefined/null -> "fx"
    if ( opt.queue == null || opt.queue === true ) {
      opt.queue = "fx";
    }

    // Queueing
    opt.old = opt.complete;

    opt.complete = function() {
      if ( jQuery.isFunction( opt.old ) ) {
        opt.old.call( this );
      }

      if ( opt.queue ) {
        jQuery.dequeue( this, opt.queue );
      }
    };

    return opt;
  };

  jQuery.easing = {
    linear: function( p ) {
      return p;
    },
    swing: function( p ) {
      return 0.5 - Math.cos( p*Math.PI ) / 2;
    }
  };

  jQuery.timers = [];
  jQuery.fx = Tween.prototype.init;
  jQuery.fx.tick = function() {
    var timer,
      timers = jQuery.timers,
      i = 0;

    fxNow = jQuery.now();

    for ( ; i < timers.length; i++ ) {
      timer = timers[ i ];
      // Checks the timer has not already been removed
      if ( !timer() && timers[ i ] === timer ) {
        timers.splice( i--, 1 );
      }
    }

    if ( !timers.length ) {
      jQuery.fx.stop();
    }
    fxNow = undefined;
  };

  jQuery.fx.timer = function( timer ) {
    if ( timer() && jQuery.timers.push( timer ) && !timerId ) {
      timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
    }
  };

  jQuery.fx.interval = 13;

  jQuery.fx.stop = function() {
    clearInterval( timerId );
    timerId = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
    // Default speed
    _default: 400
  };

// Back Compat <1.8 extension point
  jQuery.fx.step = {};

  if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.animated = function( elem ) {
      return jQuery.grep(jQuery.timers, function( fn ) {
        return elem === fn.elem;
      }).length;
    };
  }
  var rroot = /^(?:body|html)$/i;

  jQuery.fn.offset = function( options ) {
    if ( arguments.length ) {
      return options === undefined ?
        this :
        this.each(function( i ) {
          jQuery.offset.setOffset( this, options, i );
        });
    }

    var docElem, body, win, clientTop, clientLeft, scrollTop, scrollLeft,
      box = { top: 0, left: 0 },
      elem = this[ 0 ],
      doc = elem && elem.ownerDocument;

    if ( !doc ) {
      return;
    }

    if ( (body = doc.body) === elem ) {
      return jQuery.offset.bodyOffset( elem );
    }

    docElem = doc.documentElement;

    // Make sure it's not a disconnected DOM node
    if ( !jQuery.contains( docElem, elem ) ) {
      return box;
    }

    // If we don't have gBCR, just use 0,0 rather than error
    // BlackBerry 5, iOS 3 (original iPhone)
    if ( typeof elem.getBoundingClientRect !== "undefined" ) {
      box = elem.getBoundingClientRect();
    }
    win = getWindow( doc );
    clientTop  = docElem.clientTop  || body.clientTop  || 0;
    clientLeft = docElem.clientLeft || body.clientLeft || 0;
    scrollTop  = win.pageYOffset || docElem.scrollTop;
    scrollLeft = win.pageXOffset || docElem.scrollLeft;
    return {
      top: box.top  + scrollTop  - clientTop,
      left: box.left + scrollLeft - clientLeft
    };
  };

  jQuery.offset = {

    bodyOffset: function( body ) {
      var top = body.offsetTop,
        left = body.offsetLeft;

      if ( jQuery.support.doesNotIncludeMarginInBodyOffset ) {
        top  += parseFloat( jQuery.css(body, "marginTop") ) || 0;
        left += parseFloat( jQuery.css(body, "marginLeft") ) || 0;
      }

      return { top: top, left: left };
    },

    setOffset: function( elem, options, i ) {
      var position = jQuery.css( elem, "position" );

      // set position first, in-case top/left are set even on static elem
      if ( position === "static" ) {
        elem.style.position = "relative";
      }

      var curElem = jQuery( elem ),
        curOffset = curElem.offset(),
        curCSSTop = jQuery.css( elem, "top" ),
        curCSSLeft = jQuery.css( elem, "left" ),
        calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
        props = {}, curPosition = {}, curTop, curLeft;

      // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
      if ( calculatePosition ) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;
      } else {
        curTop = parseFloat( curCSSTop ) || 0;
        curLeft = parseFloat( curCSSLeft ) || 0;
      }

      if ( jQuery.isFunction( options ) ) {
        options = options.call( elem, i, curOffset );
      }

      if ( options.top != null ) {
        props.top = ( options.top - curOffset.top ) + curTop;
      }
      if ( options.left != null ) {
        props.left = ( options.left - curOffset.left ) + curLeft;
      }

      if ( "using" in options ) {
        options.using.call( elem, props );
      } else {
        curElem.css( props );
      }
    }
  };


  jQuery.fn.extend({

    position: function() {
      if ( !this[0] ) {
        return;
      }

      var elem = this[0],

      // Get *real* offsetParent
        offsetParent = this.offsetParent(),

      // Get correct offsets
        offset       = this.offset(),
        parentOffset = rroot.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset();

      // Subtract element margins
      // note: when an element has margin: auto the offsetLeft and marginLeft
      // are the same in Safari causing offset.left to incorrectly be 0
      offset.top  -= parseFloat( jQuery.css(elem, "marginTop") ) || 0;
      offset.left -= parseFloat( jQuery.css(elem, "marginLeft") ) || 0;

      // Add offsetParent borders
      parentOffset.top  += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth") ) || 0;
      parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth") ) || 0;

      // Subtract the two offsets
      return {
        top:  offset.top  - parentOffset.top,
        left: offset.left - parentOffset.left
      };
    },

    offsetParent: function() {
      return this.map(function() {
        var offsetParent = this.offsetParent || document.body;
        while ( offsetParent && (!rroot.test(offsetParent.nodeName) && jQuery.css(offsetParent, "position") === "static") ) {
          offsetParent = offsetParent.offsetParent;
        }
        return offsetParent || document.body;
      });
    }
  });


// Create scrollLeft and scrollTop methods
  jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
    var top = /Y/.test( prop );

    jQuery.fn[ method ] = function( val ) {
      return jQuery.access( this, function( elem, method, val ) {
        var win = getWindow( elem );

        if ( val === undefined ) {
          return win ? (prop in win) ? win[ prop ] :
            win.document.documentElement[ method ] :
            elem[ method ];
        }

        if ( win ) {
          win.scrollTo(
            !top ? val : jQuery( win ).scrollLeft(),
            top ? val : jQuery( win ).scrollTop()
          );

        } else {
          elem[ method ] = val;
        }
      }, method, val, arguments.length, null );
    };
  });

  function getWindow( elem ) {
    return jQuery.isWindow( elem ) ?
      elem :
      elem.nodeType === 9 ?
        elem.defaultView || elem.parentWindow :
        false;
  }
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
    jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
      // margin is only for outerHeight, outerWidth
      jQuery.fn[ funcName ] = function( margin, value ) {
        var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
          extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

        return jQuery.access( this, function( elem, type, value ) {
          var doc;

          if ( jQuery.isWindow( elem ) ) {
            // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
            // isn't a whole lot we can do. See pull request at this URL for discussion:
            // https://github.com/jquery/jquery/pull/764
            return elem.document.documentElement[ "client" + name ];
          }

          // Get document width or height
          if ( elem.nodeType === 9 ) {
            doc = elem.documentElement;

            // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
            // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
            return Math.max(
              elem.body[ "scroll" + name ], doc[ "scroll" + name ],
              elem.body[ "offset" + name ], doc[ "offset" + name ],
              doc[ "client" + name ]
            );
          }

          return value === undefined ?
            // Get width or height on the element, requesting but not forcing parseFloat
            jQuery.css( elem, type, value, extra ) :

            // Set width or height on the element
            jQuery.style( elem, type, value, extra );
        }, type, chainable ? margin : undefined, chainable, null );
      };
    });
  });
// Expose jQuery to the global object
  window.jQuery = window.$ = jQuery;

// Expose jQuery as an AMD module, but only for AMD loaders that
// understand the issues with loading multiple versions of jQuery
// in a page that all might call define(). The loader will indicate
// they have special allowances for multiple jQuery versions by
// specifying define.amd.jQuery = true. Register as a named module,
// since jQuery can be concatenated with other files that may use define,
// but not use a proper concatenation script that understands anonymous
// AMD modules. A named AMD is safest and most robust way to register.
// Lowercase jquery is used because AMD module names are derived from
// file names, and jQuery is normally delivered in a lowercase file name.
// Do this after creating the global so that if an AMD module wants to call
// noConflict to hide this version of jQuery, it will work.
  if ( typeof define === "function" && define.amd && define.amd.jQuery ) {
    define( "jquery", [], function () { return jQuery; } );
  }

})( window );
