text: /*!
   * jQuery JavaScript Library v1.9.1
   * http://jquery.com/
   *
   * Includes Sizzle.js
   * http://sizzlejs.com/
   *
   * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2013-2-4
   */
  (function( window, undefined ) {
  
  // Can't do this because several apps including ASP.NET trace
  // the stack via arguments.caller.callee and Firefox dies if
  // you try to trace through "use strict" call chains. (#13335)
  // Support: Firefox 18+
  //"use strict";
  var
    // The deferred used on DOM ready
    readyList,
  
    // A central reference to the root jQuery(document)
    rootjQuery,
  
    // Support: IE<9
    // For `typeof node.method` instead of `node.method !== undefined`
    core_strundefined = typeof undefined,
  
    // Use the correct document accordingly with window argument (sandbox)
    document = window.document,
    location = window.location,
  
    // Map over jQuery in case of overwrite
    _jQuery = window.jQuery,
  
    // Map over the $ in case of overwrite
    _$ = window.$,
  
    // [[Class]] -> type pairs
    class2type = {},
  
    // List of deleted data cache ids, so we can reuse them
    core_deletedIds = [],
  
    core_version = "1.9.1",
  
    // Save a reference to some core methods
    core_concat = core_deletedIds.concat,
    core_push = core_deletedIds.push,
    core_slice = core_deletedIds.slice,
    core_indexOf = core_deletedIds.indexOf,
    core_toString = class2type.toString,
    core_hasOwn = class2type.hasOwnProperty,
    core_trim = core_version.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 splitting on whitespace
    core_rnotwhite = /\S+/g,
  
    // 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)
    // Strict HTML recognition (#11290: must start with <)
    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+(?:[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
    completed = function( event ) {
  
      // readyState === "complete" is good enough for us to call the dom ready in oldIE
      if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
        detach();
        jQuery.ready();
      }
    },
    // Clean-up method for dom ready events
    detach = function() {
      if ( document.addEventListener ) {
        document.removeEventListener( "DOMContentLoaded", completed, false );
        window.removeEventListener( "load", completed, false );
  
      } else {
        document.detachEvent( "onreadystatechange", completed );
        window.detachEvent( "onload", completed );
      }
    };
  
  jQuery.fn = jQuery.prototype = {
    // The current version of jQuery being used
    jquery: core_version,
  
    constructor: jQuery,
    init: function( selector, context, rootjQuery ) {
      var match, elem;
  
      // HANDLE: $(""), $(null), $(undefined), $(false)
      if ( !selector ) {
        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;
  
            // scripts is true for back-compat
            jQuery.merge( this, jQuery.parseHTML(
              match[1],
              context && context.nodeType ? context.ownerDocument || context : document,
              true
            ) );
  
            // HANDLE: $(html, props)
            if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
              for ( match in context ) {
                // Properties of context are called as methods if possible
                if ( jQuery.isFunction( this[ match ] ) ) {
                  this[ match ]( context[ match ] );
  
                // ...and otherwise set as attributes
                } else {
                  this.attr( match, context[ match ] );
                }
              }
            }
  
            return this;
  
          // 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: $(DOMElement)
      } else if ( selector.nodeType ) {
        this.context = this[0] = selector;
        this.length = 1;
        return this;
  
      // 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 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 ) {
  
      // 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;
  
      // 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;
    },
  
    slice: function() {
      return this.pushStack( core_slice.apply( this, arguments ) );
    },
  
    first: function() {
      return this.eq( 0 );
    },
  
    last: function() {
      return this.eq( -1 );
    },
  
    eq: function( i ) {
      var len = this.length,
        j = +i + ( i < 0 ? len : 0 );
      return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
    },
  
    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 src, copyIsArray, copy, name, options, 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 );
      }
  
      // 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 ) {
      if ( obj == null ) {
        return String( obj );
      }
      return typeof obj === "object" || typeof obj === "function" ?
        class2type[ core_toString.call(obj) ] || "object" :
        typeof obj;
    },
  
    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
    // keepScripts (optional): If true, will include scripts passed in the html string
    parseHTML: function( data, context, keepScripts ) {
      if ( !data || typeof data !== "string" ) {
        return null;
      }
      if ( typeof context === "boolean" ) {
        keepScripts = context;
        context = false;
      }
      context = context || document;
  
      var parsed = rsingleTag.exec( data ),
        scripts = !keepScripts && [];
  
      // Single tag
      if ( parsed ) {
        return [ context.createElement( parsed[1] ) ];
      }
  
      parsed = jQuery.buildFragment( [ data ], context, scripts );
      if ( scripts ) {
        jQuery( scripts ).remove();
      }
      return jQuery.merge( [], parsed.childNodes );
    },
  
    parseJSON: function( data ) {
      // Attempt to parse using the native JSON parser first
      if ( window.JSON && window.JSON.parse ) {
        return window.JSON.parse( data );
      }
  
      if ( data === null ) {
        return data;
      }
  
      if ( typeof data === "string" ) {
  
        // Make sure leading/trailing whitespace is removed (IE can't handle it)
        data = jQuery.trim( data );
  
        if ( 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 && jQuery.trim( 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 value,
        i = 0,
        length = obj.length,
        isArray = isArraylike( obj );
  
      if ( args ) {
        if ( isArray ) {
          for ( ; i < length; i++ ) {
            value = callback.apply( obj[ i ], args );
  
            if ( value === false ) {
              break;
            }
          }
        } else {
          for ( i in obj ) {
            value = callback.apply( obj[ i ], args );
  
            if ( value === false ) {
              break;
            }
          }
        }
  
      // A special, fast, case for the most common use of each
      } else {
        if ( isArray ) {
          for ( ; i < length; i++ ) {
            value = callback.call( obj[ i ], i, obj[ i ] );
  
            if ( value === false ) {
              break;
            }
          }
        } else {
          for ( i in obj ) {
            value = callback.call( obj[ i ], i, obj[ i ] );
  
            if ( value === 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 ret = results || [];
  
      if ( arr != null ) {
        if ( isArraylike( Object(arr) ) ) {
          jQuery.merge( ret,
            typeof arr === "string" ?
            [ arr ] : arr
          );
        } else {
          core_push.call( 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,
        i = 0,
        length = elems.length,
        isArray = isArraylike( elems ),
        ret = [];
  
      // 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 ( i in elems ) {
          value = callback( elems[ i ], i, arg );
  
          if ( value != null ) {
            ret[ ret.length ] = value;
          }
        }
      }
  
      // Flatten any nested arrays
      return core_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 args, proxy, tmp;
  
      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 || this, 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, raw ) {
      var i = 0,
        length = elems.length,
        bulk = key == null;
  
      // Sets many values
      if ( jQuery.type( key ) === "object" ) {
        chainable = true;
        for ( i in key ) {
          jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
        }
  
      // Sets one value
      } else if ( value !== undefined ) {
        chainable = true;
  
        if ( !jQuery.isFunction( value ) ) {
          raw = true;
        }
  
        if ( bulk ) {
          // Bulk operations run against the entire set
          if ( raw ) {
            fn.call( elems, value );
            fn = null;
  
          // ...except when executing function values
          } else {
            bulk = fn;
            fn = function( elem, key, value ) {
              return bulk.call( jQuery( elem ), value );
            };
          }
        }
  
        if ( fn ) {
          for ( ; i < length; i++ ) {
            fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
          }
        }
      }
  
      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 );
  
      // Standards-based browsers support DOMContentLoaded
      } else if ( document.addEventListener ) {
        // Use the handy event callback
        document.addEventListener( "DOMContentLoaded", completed, false );
  
        // A fallback to window.onload, that will always work
        window.addEventListener( "load", completed, false );
  
      // If IE event model is used
      } else {
        // Ensure firing before onload, maybe late but safe also for iframes
        document.attachEvent( "onreadystatechange", completed );
  
        // A fallback to window.onload, that will always work
        window.attachEvent( "onload", completed );
  
        // 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 );
              }
  
              // detach all dom ready events
              detach();
  
              // 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 Error".split(" "), function(i, name) {
    class2type[ "[object " + name + "]" ] = name.toLowerCase();
  });
  
  function isArraylike( obj ) {
    var length = obj.length,
      type = jQuery.type( obj );
  
    if ( jQuery.isWindow( obj ) ) {
      return false;
    }
  
    if ( obj.nodeType === 1 && length ) {
      return true;
    }
  
    return type === "array" || type !== "function" &&
      ( length === 0 ||
      typeof length === "number" && length > 0 && ( length - 1 ) in obj );
  }
  
  // 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.match( core_rnotwhite ) || [], 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 // Flag to know if list is currently firing
      firing,
      // Last fire value (for non-forgettable lists)
      memory,
      // Flag to know if list was already fired
      fired,
      // End of the loop when firing
      firingLength,
      // Index of currently firing callback (modified by remove if needed)
      firingIndex,
      // First callback to fire (used internally by add and fireWith)
      firingStart,
      // 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;
        },
        // Check if a given callback is in the list.
        // If no argument is given, return whether or not list has callbacks attached.
        has: function( fn ) {
          return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
        },
        // 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 = jQuery.isFunction( fns[ i ] ) && fns[ i ];
                // deferred[ done | fail | progress ] for forwarding actions to newDefer
                deferred[ tuple[1] ](function() {
                  var returned = fn && 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 === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
                  }
                });
              });
              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 ]
        deferred[ tuple[0] ] = function() {
          deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
          return this;
        };
        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,
      input, select, fragment,
      opt, eventName, isSupported, i,
      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 = {
      // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
      getSetAttribute: div.className !== "t",
  
      // 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,
  
      // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
      checkOn: !!input.value,
  
      // 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,
  
      // 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
      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;
  
    // Support: IE<9
    try {
      delete div.test;
    } catch( e ) {
      support.deleteExpando = false;
    }
  
    // Check if we can trust getAttribute("value")
    input = document.createElement("input");
    input.setAttribute( "value", "" );
    support.input = input.getAttribute( "value" ) === "";
  
    // Check if an input maintains its value after becoming a radio
    input.value = "t";
    input.setAttribute( "type", "radio" );
    support.radioValue = input.value === "t";
  
    // #11217 - WebKit loses check when the name is after the checked attribute
    input.setAttribute( "checked", "t" );
    input.setAttribute( "name", "t" );
  
    fragment = document.createDocumentFragment();
    fragment.appendChild( input );
  
    // Check if a disconnected checkbox will retain its checked
    // value of true after appended to the DOM (IE6/7)
    support.appendChecked = input.checked;
  
    // WebKit doesn't clone checked state correctly in fragments
    support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
  
    // Support: IE<9
    // Opera does not clone events (and typeof div.attachEvent === undefined).
    // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
    if ( div.attachEvent ) {
      div.attachEvent( "onclick", function() {
        support.noCloneEvent = false;
      });
  
      div.cloneNode( true ).click();
    }
  
    // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
    // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
    for ( i in { submit: true, change: true, focusin: true }) {
      div.setAttribute( eventName = "on" + i, "t" );
  
      support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
    }
  
    div.style.backgroundClip = "content-box";
    div.cloneNode( true ).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";
  
    // Run tests that need a body at doc ready
    jQuery(function() {
      var container, marginDiv, tds,
        divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
        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 = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
  
      body.appendChild( container ).appendChild( div );
  
      // Support: IE8
      // 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).
      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";
  
      // Support: IE8
      // Check if empty table cells still have offsetWidth/Height
      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 );
  
      // Use 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. (#3333)
        // Fails in WebKit before Feb 2011 nightlies
        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
        marginDiv = div.appendChild( document.createElement("div") );
        marginDiv.style.cssText = div.style.cssText = divReset;
        marginDiv.style.marginRight = marginDiv.style.width = "0";
        div.style.width = "1px";
  
        support.reliableMarginRight =
          !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
      }
  
      if ( typeof div.style.zoom !== core_strundefined ) {
        // Support: IE<8
        // Check if natively block-level elements act like inline-block
        // elements when setting their display to 'inline' and giving
        // them layout
        div.innerHTML = "";
        div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
        support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
  
        // Support: IE6
        // Check if elements with layout shrink-wrap their children
        div.style.display = "block";
        div.innerHTML = "<div></div>";
        div.firstChild.style.width = "5px";
        support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
  
        if ( support.inlineBlockNeedsLayout ) {
          // Prevent IE 6 from affecting layout for positioned elements #11048
          // Prevent IE from shrinking the body in IE 7 mode #12869
          // Support: IE<8
          body.style.zoom = 1;
        }
      }
  
      body.removeChild( container );
  
      // Null elements to avoid leaks in IE
      container = div = tds = marginDiv = null;
    });
  
    // Null elements to avoid leaks in IE
    all = select = fragment = opt = a = input = null;
  
    return support;
  })();
  
  var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
    rmultiDash = /([A-Z])/g;
  
  function internalData( 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 = core_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;
  }
  
  function internalRemoveData( elem, name, pvt ) {
    if ( !jQuery.acceptData( elem ) ) {
      return;
    }
  
    var i, l, thisCache,
      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(" ");
            }
          }
        } else {
          // If "name" is an array of keys...
          // When data is initially created, via ("key", "val") signature,
          // keys will be converted to camelCase.
          // Since there is no way to tell _how_ a key was added, remove
          // both plain key and camelCase key. #12786
          // This will only penalize the array argument path.
          name = name.concat( jQuery.map( name, jQuery.camelCase ) );
        }
  
        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;
    }
  }
  
  jQuery.extend({
    cache: {},
  
    // Unique for each copy of jQuery on the page
    // Non-digits removed to match rinlinejQuery
    expando: "jQuery" + ( core_version + 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 ) {
      return internalData( elem, name, data );
    },
  
    removeData: function( elem, name ) {
      return internalRemoveData( elem, name );
    },
  
    // For internal use only.
    _data: function( elem, name, data ) {
      return internalData( elem, name, data, true );
    },
  
    _removeData: function( elem, name ) {
      return internalRemoveData( elem, name, true );
    },
  
    // A method for determining if a DOM node can handle the data expando
    acceptData: function( elem ) {
      // Do not set data on non-element because it will not be cleared (#8335).
      if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
        return false;
      }
  
      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 attrs, name,
        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" ) ) {
            attrs = elem.attributes;
            for ( ; i < attrs.length; i++ ) {
              name = attrs[i].name;
  
              if ( !name.indexOf( "data-" ) ) {
                name = jQuery.camelCase( name.slice(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 );
        });
      }
  
      return jQuery.access( this, function( value ) {
  
        if ( value === undefined ) {
          // Try to fetch any internally stored data first
          return elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
        }
  
        this.each(function() {
          jQuery.data( this, key, value );
        });
      }, null, value, arguments.length > 1, null, true );
    },
  
    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--;
      }
  
      hooks.cur = fn;
      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" );
          jQuery._removeData( elem, key );
        })
      });
    }
  });
  
  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,
    rclass = /[\t\r\n]/g,
    rreturn = /\r/g,
    rfocusable = /^(?:input|select|textarea|button|object)$/i,
    rclickable = /^(?:a|area)$/i,
    rboolean = /^(?:checked|selected|autofocus|autoplay|async|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped)$/i,
    ruseDefault = /^(?:checked|selected)$/i,
    getSetAttribute = jQuery.support.getSetAttribute,
    getSetInput = jQuery.support.input;
  
  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 classes, elem, cur, clazz, j,
        i = 0,
        len = this.length,
        proceed = typeof value === "string" && value;
  
      if ( jQuery.isFunction( value ) ) {
        return this.each(function( j ) {
          jQuery( this ).addClass( value.call( this, j, this.className ) );
        });
      }
  
      if ( proceed ) {
        // The disjunction here is for better compressibility (see removeClass)
        classes = ( value || "" ).match( core_rnotwhite ) || [];
  
        for ( ; i < len; i++ ) {
          elem = this[ i ];
          cur = elem.nodeType === 1 && ( elem.className ?
            ( " " + elem.className + " " ).replace( rclass, " " ) :
            " "
          );
  
          if ( cur ) {
            j = 0;
            while ( (clazz = classes[j++]) ) {
              if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                cur += clazz + " ";
              }
            }
            elem.className = jQuery.trim( cur );
  
          }
        }
      }
  
      return this;
    },
  
    removeClass: function( value ) {
      var classes, elem, cur, clazz, j,
        i = 0,
        len = this.length,
        proceed = arguments.length === 0 || typeof value === "string" && value;
  
      if ( jQuery.isFunction( value ) ) {
        return this.each(function( j ) {
          jQuery( this ).removeClass( value.call( this, j, this.className ) );
        });
      }
      if ( proceed ) {
        classes = ( value || "" ).match( core_rnotwhite ) || [];
  
        for ( ; i < len; i++ ) {
          elem = this[ i ];
          // This expression is here for better compressibility (see addClass)
          cur = elem.nodeType === 1 && ( elem.className ?
            ( " " + elem.className + " " ).replace( rclass, " " ) :
            ""
          );
  
          if ( cur ) {
            j = 0;
            while ( (clazz = classes[j++]) ) {
              // Remove *all* instances
              while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
                cur = cur.replace( " " + clazz + " ", " " );
              }
            }
            elem.className = value ? jQuery.trim( cur ) : "";
          }
        }
      }
  
      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.match( core_rnotwhite ) || [];
  
          while ( (className = classNames[ i++ ]) ) {
            // check each className given, space separated list
            state = isBool ? state : !self.hasClass( className );
            self[ state ? "addClass" : "removeClass" ]( className );
          }
  
        // Toggle whole class name
        } else if ( type === core_strundefined || type === "boolean" ) {
          if ( this.className ) {
            // store className if set
            jQuery._data( this, "__className__", this.className );
          }
  
          // If the element has a class name or if we're passed "false",
          // then remove the whole classname (if there was one, the above saved it).
          // Otherwise bring back whatever was previously saved (if anything),
          // falling back to the empty string if nothing was stored.
          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 ret, hooks, 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;
        }
      }
    },
  
    attr: function( elem, name, value ) {
      var hooks, notxml, ret,
        nType = elem.nodeType;
  
      // don't get/set attributes on text, comment and attribute nodes
      if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }
  
      // Fallback to prop when attributes are not supported
      if ( typeof elem.getAttribute === core_strundefined ) {
        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 );
  
        } else if ( hooks && notxml && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
          return ret;
  
        } else {
          elem.setAttribute( name, value + "" );
          return value;
        }
  
      } else if ( hooks && notxml && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
        return ret;
  
      } else {
  
        // In IE9+, Flash objects don't have .getAttribute (#12945)
        // Support: IE9+
        if ( typeof elem.getAttribute !== core_strundefined ) {
          ret =  elem.getAttribute( name );
        }
  
        // Non-existent attributes return null, we normalize to undefined
        return ret == null ?
          undefined :
          ret;
      }
    },
  
    removeAttr: function( elem, value ) {
      var name, propName,
        i = 0,
        attrNames = value && value.match( core_rnotwhite );
  
      if ( attrNames && elem.nodeType === 1 ) {
        while ( (name = attrNames[i++]) ) {
          propName = jQuery.propFix[ name ] || name;
  
          // Boolean attributes get special treatment (#10870)
          if ( rboolean.test( name ) ) {
            // Set corresponding property to false for boolean attributes
            // Also clear defaultChecked/defaultSelected (if appropriate) for IE<8
            if ( !getSetAttribute && ruseDefault.test( name ) ) {
              elem[ jQuery.camelCase( "default-" + name ) ] =
                elem[ propName ] = false;
            } else {
              elem[ propName ] = false;
            }
  
          // See #9699 for explanation of this approach (setting first, then removal)
          } else {
            jQuery.attr( elem, name, "" );
          }
  
          elem.removeAttribute( getSetAttribute ? name : propName );
        }
      }
    },
  
    attrHooks: {
      type: {
        set: function( elem, value ) {
          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 default in case type is set after value during creation
            var val = elem.value;
            elem.setAttribute( "type", value );
            if ( val ) {
              elem.value = val;
            }
            return 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 ) {
      var
        // Use .prop to determine if this attribute is understood as boolean
        prop = jQuery.prop( elem, name ),
  
        // Fetch it accordingly
        attr = typeof prop === "boolean" && elem.getAttribute( name ),
        detail = typeof prop === "boolean" ?
  
          getSetInput && getSetAttribute ?
            attr != null :
            // oldIE fabricates an empty string for missing boolean attributes
            // and conflates checked/selected into attroperties
            ruseDefault.test( name ) ?
              elem[ jQuery.camelCase( "default-" + name ) ] :
              !!attr :
  
          // fetch an attribute node for properties not recognized as boolean
          elem.getAttributeNode( name );
  
      return detail && detail.value !== false ?
        name.toLowerCase() :
        undefined;
    },
    set: function( elem, value, name ) {
      if ( value === false ) {
        // Remove boolean attributes when set to false
        jQuery.removeAttr( elem, name );
      } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
        // IE<8 needs the *property* name
        elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
  
      // Use defaultChecked and defaultSelected for oldIE
      } else {
        elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
      }
  
      return name;
    }
  };
  
  // fix oldIE value attroperty
  if ( !getSetInput || !getSetAttribute ) {
    jQuery.attrHooks.value = {
      get: function( elem, name ) {
        var ret = elem.getAttributeNode( name );
        return jQuery.nodeName( elem, "input" ) ?
  
          // Ignore the value *property* by using defaultValue
          elem.defaultValue :
  
          ret && ret.specified ? ret.value : undefined;
      },
      set: function( elem, value, name ) {
        if ( jQuery.nodeName( elem, "input" ) ) {
          // Does not return so that setAttribute is also used
          elem.defaultValue = value;
        } else {
          // Use nodeHook if defined (#1954); otherwise setAttribute is fine
          return nodeHook && nodeHook.set( elem, value, name );
        }
      }
    };
  }
  
  // IE6/7 do not support getting/setting some attributes with get/setAttribute
  if ( !getSetAttribute ) {
  
    // 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 = elem.getAttributeNode( name );
        return ret && ( name === "id" || name === "name" || name === "coords" ? 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 ) {
          elem.setAttributeNode(
            (ret = elem.ownerDocument.createAttribute( name ))
          );
        }
  
        ret.value = value += "";
  
        // Break association with cloned elements by also using setAttribute (#9646)
        return name === "value" || value === elem.getAttribute( name ) ?
          value :
          undefined;
      }
    };
  
    // 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 ) {
        nodeHook.set( elem, value === "" ? false : value, name );
      }
    };
  
    // 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;
          }
        }
      });
    });
  }
  
  
  // Some attributes require a special call on IE
  // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  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;
        }
      });
    });
  
    // href/src property should get the full normalized URL (#10299/#12915)
    jQuery.each([ "href", "src" ], function( i, name ) {
      jQuery.propHooks[ name ] = {
        get: function( elem ) {
          return elem.getAttribute( name, 4 );
        }
      };
    });
  }
  
  if ( !jQuery.support.style ) {
    jQuery.attrHooks.style = {
      get: function( elem ) {
        // Return undefined in the case of empty string
        // Note: IE uppercases css property names, but if we were to .toLowerCase()
        // .cssText, that would destroy case senstitivity in URL's, like in "background"
        return elem.style.cssText || 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 = /^(?:input|select|textarea)$/i,
    rkeyEvent = /^key/,
    rmouseEvent = /^(?:mouse|contextmenu)|click/,
    rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
    rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
  
  function returnTrue() {
    return true;
  }
  
  function returnFalse() {
    return false;
  }
  
  /*
   * Helper functions for managing events -- not part of the public interface.
   * Props to Dean Edwards' addEvent library for many of the ideas.
   */
  jQuery.event = {
  
    global: {},
  
    add: function( elem, types, handler, data, selector ) {
      var tmp, events, t, handleObjIn,
        special, eventHandle, handleObj,
        handlers, type, namespaces, origType,
        elemData = jQuery._data( elem );
  
      // Don't attach events to noData or text/comment nodes (but allow plain objects)
      if ( !elemData ) {
        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
      if ( !(events = elemData.events) ) {
        events = elemData.events = {};
      }
      if ( !(eventHandle = elemData.handle) ) {
        eventHandle = elemData.handle = 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 !== core_strundefined && (!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 = ( types || "" ).match( core_rnotwhite ) || [""];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[t] ) || [];
        type = origType = tmp[1];
        namespaces = ( tmp[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: origType,
          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
        if ( !(handlers = events[ type ]) ) {
          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;
    },
  
    // Detach an event or set of events from an element
    remove: function( elem, types, handler, selector, mappedTypes ) {
      var j, handleObj, tmp,
        origCount, t, events,
        special, handlers, type,
        namespaces, origType,
        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 = ( types || "" ).match( core_rnotwhite ) || [""];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[t] ) || [];
        type = origType = tmp[1];
        namespaces = ( tmp[2] || "" ).split( "." ).sort();
  
        // 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;
        handlers = events[ type ] || [];
        tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
  
        // Remove matching events
        origCount = j = handlers.length;
        while ( j-- ) {
          handleObj = handlers[ j ];
  
          if ( ( mappedTypes || origType === handleObj.origType ) &&
            ( !handler || handler.guid === handleObj.guid ) &&
            ( !tmp || tmp.test( handleObj.namespace ) ) &&
            ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
            handlers.splice( j, 1 );
  
            if ( handleObj.selector ) {
              handlers.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 ( origCount && !handlers.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" );
      }
    },
  
    trigger: function( event, data, elem, onlyHandlers ) {
      var handle, ontype, cur,
        bubbleType, special, tmp, i,
        eventPath = [ elem || document ],
        type = core_hasOwn.call( event, "type" ) ? event.type : event,
        namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
  
      cur = tmp = elem = elem || document;
  
      // Don't do events on text and comment nodes
      if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
        return;
      }
  
      // 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 ) {
        // Namespaced trigger; create a regexp to match event type in handle()
        namespaces = type.split(".");
        type = namespaces.shift();
        namespaces.sort();
      }
      ontype = type.indexOf(":") < 0 && "on" + type;
  
      // Caller can pass in a jQuery.Event object, Object, or just an event type string
      event = event[ jQuery.expando ] ?
        event :
        new jQuery.Event( type, typeof event === "object" && event );
  
      event.isTrigger = true;
      event.namespace = namespaces.join(".");
      event.namespace_re = event.namespace ?
        new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
        null;
  
      // 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 ?
        [ event ] :
        jQuery.makeArray( data, [ event ] );
  
      // Allow special events to draw outside the lines
      special = jQuery.event.special[ type ] || {};
      if ( !onlyHandlers && 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)
      if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
  
        bubbleType = special.delegateType || type;
        if ( !rfocusMorph.test( bubbleType + type ) ) {
          cur = cur.parentNode;
        }
        for ( ; cur; cur = cur.parentNode ) {
          eventPath.push( cur );
          tmp = cur;
        }
  
        // Only add window if we got to document (e.g., not plain obj or detached DOM)
        if ( tmp === (elem.ownerDocument || document) ) {
          eventPath.push( tmp.defaultView || tmp.parentWindow || window );
        }
      }
  
      // Fire handlers on the event path
      i = 0;
      while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
  
        event.type = i > 1 ?
          bubbleType :
          special.bindType || type;
  
        // jQuery handler
        handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
        if ( handle ) {
          handle.apply( cur, data );
        }
  
        // Native 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)
          if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
  
            // Don't re-trigger an onFOO event when we call its FOO() method
            tmp = elem[ ontype ];
  
            if ( tmp ) {
              elem[ ontype ] = null;
            }
  
            // Prevent re-triggering of the same event, since we already bubbled it above
            jQuery.event.triggered = type;
            try {
              elem[ type ]();
            } catch ( e ) {
              // IE<9 dies on focus/blur to hidden element (#1486,#12518)
              // only reproducible on winXP IE8 native, not IE9 in IE8 mode
            }
            jQuery.event.triggered = undefined;
  
            if ( tmp ) {
              elem[ ontype ] = tmp;
            }
          }
        }
      }
  
      return event.result;
    },
  
    dispatch: function( event ) {
  
      // Make a writable jQuery.Event from the native event object
      event = jQuery.event.fix( event );
  
      var i, ret, handleObj, matched, j,
        handlerQueue = [],
        args = core_slice.call( arguments ),
        handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
        special = jQuery.event.special[ event.type ] || {};
  
      // 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
      handlerQueue = jQuery.event.handlers.call( this, event, handlers );
  
      // Run delegates first; they may want to stop propagation beneath us
      i = 0;
      while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
        event.currentTarget = matched.elem;
  
        j = 0;
        while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
  
          // Triggered event must either 1) have no namespace, or
          // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
          if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
  
            event.handleObj = handleObj;
            event.data = handleObj.data;
  
            ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
                .apply( matched.elem, args );
  
            if ( ret !== undefined ) {
              if ( (event.result = 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;
    },
  
    handlers: function( event, handlers ) {
      var sel, handleObj, matches, i,
        handlerQueue = [],
        delegateCount = handlers.delegateCount,
        cur = event.target;
  
      // Find delegate handlers
      // Black-hole SVG <use> instance trees (#13180)
      // Avoid non-left-click bubbling in Firefox (#3861)
      if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
  
        for ( ; cur != this; cur = cur.parentNode || this ) {
  
          // Don't check non-elements (#13208)
          // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
          if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
            matches = [];
            for ( i = 0; i < delegateCount; i++ ) {
              handleObj = handlers[ i ];
  
              // Don't conflict with Object.prototype properties (#13203)
              sel = handleObj.selector + " ";
  
              if ( matches[ sel ] === undefined ) {
                matches[ sel ] = handleObj.needsContext ?
                  jQuery( sel, this ).index( cur ) >= 0 :
                  jQuery.find( sel, this, null, [ cur ] ).length;
              }
              if ( matches[ sel ] ) {
                matches.push( handleObj );
              }
            }
            if ( matches.length ) {
              handlerQueue.push({ elem: cur, handlers: matches });
            }
          }
        }
      }
  
      // Add the remaining (directly-bound) handlers
      if ( delegateCount < handlers.length ) {
        handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
      }
  
      return handlerQueue;
    },
  
    fix: function( event ) {
      if ( event[ jQuery.expando ] ) {
        return event;
      }
  
      // Create a writable copy of the event object and normalize some properties
      var i, prop, copy,
        type = event.type,
        originalEvent = event,
        fixHook = this.fixHooks[ type ];
  
      if ( !fixHook ) {
        this.fixHooks[ type ] = fixHook =
          rmouseEvent.test( type ) ? this.mouseHooks :
          rkeyEvent.test( type ) ? this.keyHooks :
          {};
      }
      copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
  
      event = new jQuery.Event( originalEvent );
  
      i = copy.length;
      while ( i-- ) {
        prop = copy[ i ];
        event[ prop ] = originalEvent[ prop ];
      }
  
      // Support: IE<9
      // Fix target property (#1925)
      if ( !event.target ) {
        event.target = originalEvent.srcElement || document;
      }
  
      // Support: Chrome 23+, Safari?
      // Target should not be a text node (#504, #13143)
      if ( event.target.nodeType === 3 ) {
        event.target = event.target.parentNode;
      }
  
      // Support: IE<9
      // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
      event.metaKey = !!event.metaKey;
  
      return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
    },
  
    // Includes some event props shared by KeyEvent and MouseEvent
    props: "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 body, eventDoc, doc,
          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;
      }
    },
  
    special: {
      load: {
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      click: {
        // For checkbox, fire native event so checked state will be right
        trigger: function() {
          if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
            this.click();
            return false;
          }
        }
      },
      focus: {
        // Fire native event if possible so blur/focus sequence is correct
        trigger: function() {
          if ( this !== document.activeElement && this.focus ) {
            try {
              this.focus();
              return false;
            } catch ( e ) {
              // Support: IE<9
              // If we error on focus to hidden element (#1486, #12518),
              // let .trigger() run the handlers
            }
          }
        },
        delegateType: "focusin"
      },
      blur: {
        trigger: function() {
          if ( this === document.activeElement && this.blur ) {
            this.blur();
            return false;
          }
        },
        delegateType: "focusout"
      },
  
      beforeunload: {
        postDispatch: function( event ) {
  
          // Even when returnValue equals to undefined Firefox will still show alert
          if ( event.result !== undefined ) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    },
  
    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();
      }
    }
  };
  
  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 ] === core_strundefined ) {
          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;
  };
  
  // 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 = {
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,
  
    preventDefault: function() {
      var e = this.originalEvent;
  
      this.isDefaultPrevented = returnTrue;
      if ( !e ) {
        return;
      }
  
      // If preventDefault exists, run it on the original event
      if ( e.preventDefault ) {
        e.preventDefault();
  
      // Support: IE
      // Otherwise set the returnValue property of the original event to false
      } else {
        e.returnValue = false;
      }
    },
    stopPropagation: function() {
      var e = this.originalEvent;
  
      this.isPropagationStopped = returnTrue;
      if ( !e ) {
        return;
      }
      // If stopPropagation exists, run it on the original event
      if ( e.stopPropagation ) {
        e.stopPropagation();
      }
  
      // Support: IE
      // Set the cancelBubble property of the original event to true
      e.cancelBubble = true;
    },
    stopImmediatePropagation: function() {
      this.isImmediatePropagationStopped = returnTrue;
      this.stopPropagation();
    }
  };
  
  // 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;
  
        // 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, "submitBubbles" ) ) {
            jQuery.event.add( form, "submit._submit", function( event ) {
              event._submit_bubble = true;
            });
            jQuery._data( form, "submitBubbles", 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, "changeBubbles" ) ) {
            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, "changeBubbles", 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 type, origFn;
  
      // Types can be a map of types/handlers
      if ( typeof types === "object" ) {
        // ( types-Object, selector, data )
        if ( typeof selector !== "string" ) {
          // ( 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 );
    },
  
    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 ) {
      var elem = this[0];
      if ( elem ) {
        return jQuery.event.trigger( type, data, elem, true );
      }
    }
  });
  /*!
   * Sizzle CSS Selector Engine
   * Copyright 2012 jQuery Foundation and other contributors
   * Released under the MIT license
   * http://sizzlejs.com/
   */
  (function( window, undefined ) {
  
  var i,
    cachedruns,
    Expr,
    getText,
    isXML,
    compile,
    hasDuplicate,
    outermostContext,
  
    // Local document vars
    setDocument,
    document,
    docElem,
    documentIsXML,
    rbuggyQSA,
    rbuggyMatches,
    matches,
    contains,
    sortOrder,
  
    // Instance-specific data
    expando = "sizzle" + -(new Date()),
    preferredDoc = window.document,
    support = {},
    dirruns = 0,
    done = 0,
    classCache = createCache(),
    tokenCache = createCache(),
    compilerCache = createCache(),
  
    // General-purpose constants
    strundefined = typeof undefined,
    MAX_NEGATIVE = 1 << 31,
  
    // Array methods
    arr = [],
    pop = arr.pop,
    push = arr.push,
    slice = arr.slice,
    // Use a stripped-down indexOf if we can't use a native one
    indexOf = arr.indexOf || function( elem ) {
      var i = 0,
        len = this.length;
      for ( ; i < len; i++ ) {
        if ( this[i] === elem ) {
          return i;
        }
      }
      return -1;
    },
  
  
    // Regular expressions
  
    // 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 quoted,
    //   then not containing pseudos/brackets,
    //   then attribute selectors/non-parenthetical expressions,
    //   then anything else
    // These preferences are here to reduce the number of selectors
    //   needing tokenize in the PSEUDO preFilter
    pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
  
    // 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 ),
    ridentifier = new RegExp( "^" + identifier + "$" ),
  
    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 ),
      "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
        "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
        "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
      // For use in libraries implementing .is()
      // We use this for POS matching in `select`
      "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
        whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
    },
  
    rsibling = /[\x20\t\r\n\f]*[+~]/,
  
    rnative = /^[^{]+\{\s*\[native code/,
  
    // Easily-parseable/retrievable ID or TAG or CLASS selectors
    rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
  
    rinputs = /^(?:input|select|textarea|button)$/i,
    rheader = /^h\d$/i,
  
    rescape = /'|\\/g,
    rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,
  
    // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
    runescape = /\\([\da-fA-F]{1,6}[\x20\t\r\n\f]?|.)/g,
    funescape = function( _, escaped ) {
      var high = "0x" + escaped - 0x10000;
      // NaN means non-codepoint
      return high !== high ?
        escaped :
        // BMP codepoint
        high < 0 ?
          String.fromCharCode( high + 0x10000 ) :
          // Supplemental Plane codepoint (surrogate pair)
          String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
    };
  
  // Use a stripped-down slice if we can't use a native one
  try {
    slice.call( preferredDoc.documentElement.childNodes, 0 )[0].nodeType;
  } catch ( e ) {
    slice = function( i ) {
      var elem,
        results = [];
      while ( (elem = this[i++]) ) {
        results.push( elem );
      }
      return results;
    };
  }
  
  /**
   * For feature detection
   * @param {Function} fn The function to test for native support
   */
  function isNative( fn ) {
    return rnative.test( fn + "" );
  }
  
  /**
   * Create key-value caches of limited size
   * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
   *  property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
   *  deleting the oldest entry
   */
  function createCache() {
    var cache,
      keys = [];
  
    return (cache = function( key, value ) {
      // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
      if ( keys.push( key += " " ) > Expr.cacheLength ) {
        // Only keep the most recent entries
        delete cache[ keys.shift() ];
      }
      return (cache[ key ] = value);
    });
  }
  
  /**
   * Mark a function for special use by Sizzle
   * @param {Function} fn The function to mark
   */
  function markFunction( fn ) {
    fn[ expando ] = true;
    return fn;
  }
  
  /**
   * Support testing using an element
   * @param {Function} fn Passed the created div and expects a boolean result
   */
  function assert( fn ) {
    var div = document.createElement("div");
  
    try {
      return fn( div );
    } catch (e) {
      return false;
    } finally {
      // release memory in IE
      div = null;
    }
  }
  
  function Sizzle( selector, context, results, seed ) {
    var match, elem, m, nodeType,
      // QSA vars
      i, groups, old, nid, newContext, newSelector;
  
    if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
      setDocument( context );
    }
  
    context = context || document;
    results = results || [];
  
    if ( !selector || typeof selector !== "string" ) {
      return results;
    }
  
    if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
      return [];
    }
  
    if ( !documentIsXML && !seed ) {
  
      // Shortcuts
      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]) && support.getByClassName && context.getElementsByClassName ) {
          push.apply( results, slice.call(context.getElementsByClassName( m ), 0) );
          return results;
        }
      }
  
      // QSA path
      if ( support.qsa && !rbuggyQSA.test(selector) ) {
        old = true;
        nid = expando;
        newContext = context;
        newSelector = 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 ( 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 + toSelector( groups[i] );
          }
          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");
            }
          }
        }
      }
    }
  
    // All others
    return select( selector.replace( rtrim, "$1" ), context, results, seed );
  }
  
  /**
   * Detect xml
   * @param {Element|Object} elem An element or a document
   */
  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;
  };
  
  /**
   * Sets document-related variables once based on the current document
   * @param {Element|Object} [doc] An element or document object to use to set the document
   * @returns {Object} Returns the current document
   */
  setDocument = Sizzle.setDocument = function( node ) {
    var doc = node ? node.ownerDocument || node : preferredDoc;
  
    // If no document and documentElement is available, return
    if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
      return document;
    }
  
    // Set our document
    document = doc;
    docElem = doc.documentElement;
  
    // Support tests
    documentIsXML = isXML( doc );
  
    // Check if getElementsByTagName("*") returns only elements
    support.tagNameNoComments = assert(function( div ) {
      div.appendChild( doc.createComment("") );
      return !div.getElementsByTagName("*").length;
    });
  
    // Check if attributes should be retrieved by attribute nodes
    support.attributes = 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
    support.getByClassName = 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
    support.getByName = 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 = doc.getElementsByName &&
        // buggy browsers will return fewer than the correct 2
        doc.getElementsByName( expando ).length === 2 +
        // buggy browsers will return more than the correct 0
        doc.getElementsByName( expando + 0 ).length;
      support.getIdNotName = !doc.getElementById( expando );
  
      // Cleanup
      docElem.removeChild( div );
  
      return pass;
    });
  
    // IE6/7 return modified attributes
    Expr.attrHandle = assert(function( div ) {
      div.innerHTML = "<a href='#'></a>";
      return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&
        div.firstChild.getAttribute("href") === "#";
    }) ?
      {} :
      {
        "href": function( elem ) {
          return elem.getAttribute( "href", 2 );
        },
        "type": function( elem ) {
          return elem.getAttribute("type");
        }
      };
  
    // ID find and filter
    if ( support.getIdNotName ) {
      Expr.find["ID"] = function( id, context ) {
        if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
          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] : [];
        }
      };
      Expr.filter["ID"] = function( id ) {
        var attrId = id.replace( runescape, funescape );
        return function( elem ) {
          return elem.getAttribute("id") === attrId;
        };
      };
    } else {
      Expr.find["ID"] = function( id, context ) {
        if ( typeof context.getElementById !== strundefined && !documentIsXML ) {
          var m = context.getElementById( id );
  
          return m ?
            m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ?
              [m] :
              undefined :
            [];
        }
      };
      Expr.filter["ID"] =  function( id ) {
        var attrId = id.replace( runescape, funescape );
        return function( elem ) {
          var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
          return node && node.value === attrId;
        };
      };
    }
  
    // Tag
    Expr.find["TAG"] = support.tagNameNoComments ?
      function( tag, context ) {
        if ( typeof context.getElementsByTagName !== strundefined ) {
          return context.getElementsByTagName( tag );
        }
      } :
      function( tag, context ) {
        var elem,
          tmp = [],
          i = 0,
          results = context.getElementsByTagName( tag );
  
        // Filter out possible comments
        if ( tag === "*" ) {
          while ( (elem = results[i++]) ) {
            if ( elem.nodeType === 1 ) {
              tmp.push( elem );
            }
          }
  
          return tmp;
        }
        return results;
      };
  
    // Name
    Expr.find["NAME"] = support.getByName && function( tag, context ) {
      if ( typeof context.getElementsByName !== strundefined ) {
        return context.getElementsByName( name );
      }
    };
  
    // Class
    Expr.find["CLASS"] = support.getByClassName && function( className, context ) {
      if ( typeof context.getElementsByClassName !== strundefined && !documentIsXML ) {
        return context.getElementsByClassName( className );
      }
    };
  
    // QSA and matchesSelector support
  
    // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
    rbuggyMatches = [];
  
    // 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" ];
  
    if ( (support.qsa = isNative(doc.querySelectorAll)) ) {
      // 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 explicitly
        // 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 and will not see later tests
        if ( !div.querySelectorAll(":checked").length ) {
          rbuggyQSA.push(":checked");
        }
      });
  
      assert(function( div ) {
  
        // Opera 10-12/IE8 - ^= $= *= and empty values
        // Should not select anything
        div.innerHTML = "<input type='hidden' i=''/>";
        if ( div.querySelectorAll("[i^='']").length ) {
          rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:\"\"|'')" );
        }
  
        // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
        // IE8 throws error here and will not see later tests
        if ( !div.querySelectorAll(":enabled").length ) {
          rbuggyQSA.push( ":enabled", ":disabled" );
        }
  
        // Opera 10-11 does not throw on post-comma invalid pseudos
        div.querySelectorAll("*,:x");
        rbuggyQSA.push(",.*:");
      });
    }
  
    if ( (support.matchesSelector = isNative( (matches = docElem.matchesSelector ||
      docElem.mozMatchesSelector ||
      docElem.webkitMatchesSelector ||
      docElem.oMatchesSelector ||
      docElem.msMatchesSelector) )) ) {
  
      assert(function( div ) {
        // Check to see if it's possible to do matchesSelector
        // on a disconnected node (IE 9)
        support.disconnectedMatch = matches.call( div, "div" );
  
        // This should fail with an exception
        // Gecko does not error, returns false instead
        matches.call( div, "[s!='']:x" );
        rbuggyMatches.push( "!=", pseudos );
      });
    }
  
    rbuggyQSA = new RegExp( rbuggyQSA.join("|") );
    rbuggyMatches = new RegExp( rbuggyMatches.join("|") );
  
    // Element contains another
    // Purposefully does not implement inclusive descendent
    // As in, an element does not contain itself
    contains = isNative(docElem.contains) || docElem.compareDocumentPosition ?
      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 ) :
            a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
        ));
      } :
      function( a, b ) {
        if ( b ) {
          while ( (b = b.parentNode) ) {
            if ( b === a ) {
              return true;
            }
          }
        }
        return false;
      };
  
    // Document order sorting
    sortOrder = docElem.compareDocumentPosition ?
    function( a, b ) {
      var compare;
  
      if ( a === b ) {
        hasDuplicate = true;
        return 0;
      }
  
      if ( (compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b )) ) {
        if ( compare & 1 || a.parentNode && a.parentNode.nodeType === 11 ) {
          if ( a === doc || contains( preferredDoc, a ) ) {
            return -1;
          }
          if ( b === doc || contains( preferredDoc, b ) ) {
            return 1;
          }
          return 0;
        }
        return compare & 4 ? -1 : 1;
      }
  
      return a.compareDocumentPosition ? -1 : 1;
    } :
    function( a, b ) {
      var cur,
        i = 0,
        aup = a.parentNode,
        bup = b.parentNode,
        ap = [ a ],
        bp = [ b ];
  
      // Exit early if the nodes are identical
      if ( a === b ) {
        hasDuplicate = true;
        return 0;
  
      // Parentless nodes are either documents or disconnected
      } else if ( !aup || !bup ) {
        return a === doc ? -1 :
          b === doc ? 1 :
          aup ? -1 :
          bup ? 1 :
          0;
  
      // If the nodes are siblings, we can do a quick check
      } else if ( aup === bup ) {
        return siblingCheck( a, b );
      }
  
      // Otherwise we need full lists of their ancestors for comparison
      cur = a;
      while ( (cur = cur.parentNode) ) {
        ap.unshift( cur );
      }
      cur = b;
      while ( (cur = cur.parentNode) ) {
        bp.unshift( cur );
      }
  
      // Walk down the tree looking for a discrepancy
      while ( ap[i] === bp[i] ) {
        i++;
      }
  
      return i ?
        // Do a sibling check if the nodes have a common ancestor
        siblingCheck( ap[i], bp[i] ) :
  
        // Otherwise nodes in our document sort first
        ap[i] === preferredDoc ? -1 :
        bp[i] === preferredDoc ? 1 :
        0;
    };
  
    // Always assume the presence of duplicates if sort doesn't
    // pass them to our comparison function (as in Google Chrome).
    hasDuplicate = false;
    [0, 0].sort( sortOrder );
    support.detectDuplicates = hasDuplicate;
  
    return document;
  };
  
  Sizzle.matches = function( expr, elements ) {
    return Sizzle( expr, null, null, elements );
  };
  
  Sizzle.matchesSelector = function( elem, expr ) {
    // Set document vars if needed
    if ( ( elem.ownerDocument || elem ) !== document ) {
      setDocument( elem );
    }
  
    // Make sure that attribute selectors are quoted
    expr = expr.replace( rattributeQuotes, "='$1']" );
  
    // rbuggyQSA always contains :focus, so no need for an existence check
    if ( support.matchesSelector && !documentIsXML && (!rbuggyMatches || !rbuggyMatches.test(expr)) && !rbuggyQSA.test(expr) ) {
      try {
        var ret = matches.call( elem, expr );
  
        // IE 9's matchesSelector returns false on disconnected nodes
        if ( ret || support.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, document, null, [elem] ).length > 0;
  };
  
  Sizzle.contains = function( context, elem ) {
    // Set document vars if needed
    if ( ( context.ownerDocument || context ) !== document ) {
      setDocument( context );
    }
    return contains( context, elem );
  };
  
  Sizzle.attr = function( elem, name ) {
    var val;
  
    // Set document vars if needed
    if ( ( elem.ownerDocument || elem ) !== document ) {
      setDocument( elem );
    }
  
    if ( !documentIsXML ) {
      name = name.toLowerCase();
    }
    if ( (val = Expr.attrHandle[ name ]) ) {
      return val( elem );
    }
    if ( documentIsXML || support.attributes ) {
      return elem.getAttribute( name );
    }
    return ( (val = elem.getAttributeNode( name )) || elem.getAttribute( name ) ) && elem[ name ] === true ?
      name :
      val && val.specified ? val.value : null;
  };
  
  Sizzle.error = function( msg ) {
    throw new Error( "Syntax error, unrecognized expression: " + msg );
  };
  
  // Document sorting and removing duplicates
  Sizzle.uniqueSort = function( results ) {
    var elem,
      duplicates = [],
      i = 1,
      j = 0;
  
    // Unless we *know* we can detect duplicates, assume their presence
    hasDuplicate = !support.detectDuplicates;
    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;
  };
  
  function siblingCheck( a, b ) {
    var cur = b && a,
      diff = cur && ( ~b.sourceIndex || MAX_NEGATIVE ) - ( ~a.sourceIndex || MAX_NEGATIVE );
  
    // Use IE sourceIndex if available on both nodes
    if ( diff ) {
      return diff;
    }
  
    // Check if b follows a
    if ( cur ) {
      while ( (cur = cur.nextSibling) ) {
        if ( cur === b ) {
          return -1;
        }
      }
    }
  
    return a ? 1 : -1;
  }
  
  // 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 no nodeType, this is expected to be an array
      for ( ; (node = elem[i]); i++ ) {
        // Do not traverse comment nodes
        ret += getText( node );
      }
    } else 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
  
    return ret;
  };
  
  Expr = Sizzle.selectors = {
  
    // Can be adjusted by the user
    cacheLength: 50,
  
    createPseudo: markFunction,
  
    match: matchExpr,
  
    find: {},
  
    relative: {
      ">": { dir: "parentNode", first: true },
      " ": { dir: "parentNode" },
      "+": { dir: "previousSibling", first: true },
      "~": { dir: "previousSibling" }
    },
  
    preFilter: {
      "ATTR": function( match ) {
        match[1] = match[1].replace( runescape, funescape );
  
        // Move the given value to match[3] whether quoted or unquoted
        match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
  
        if ( match[2] === "~=" ) {
          match[3] = " " + match[3] + " ";
        }
  
        return match.slice( 0, 4 );
      },
  
      "CHILD": function( match ) {
        /* matches from matchExpr["CHILD"]
          1 type (only|nth|...)
          2 what (child|of-type)
          3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
          4 xn-component of xn+y argument ([+-]?\d*n|)
          5 sign of xn-component
          6 x of xn-component
          7 sign of y-component
          8 y of y-component
        */
        match[1] = match[1].toLowerCase();
  
        if ( match[1].slice( 0, 3 ) === "nth" ) {
          // nth-* requires argument
          if ( !match[3] ) {
            Sizzle.error( match[0] );
          }
  
          // numeric x and y parameters for Expr.filter.CHILD
          // remember that false/true cast respectively to 0/1
          match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
          match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
  
        // other types prohibit arguments
        } else if ( match[3] ) {
          Sizzle.error( match[0] );
        }
  
        return match;
      },
  
      "PSEUDO": function( match ) {
        var excess,
          unquoted = !match[5] && match[2];
  
        if ( matchExpr["CHILD"].test( match[0] ) ) {
          return null;
        }
  
        // Accept quoted arguments as-is
        if ( match[4] ) {
          match[2] = match[4];
  
        // Strip excess characters from unquoted arguments
        } else if ( unquoted && 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
          match[0] = match[0].slice( 0, excess );
          match[2] = unquoted.slice( 0, excess );
        }
  
        // Return only captures needed by the pseudo filter method (type and argument)
        return match.slice( 0, 3 );
      }
    },
  
    filter: {
  
      "TAG": function( nodeName ) {
        if ( nodeName === "*" ) {
          return function() { return true; };
        }
  
        nodeName = nodeName.replace( runescape, funescape ).toLowerCase();
        return function( elem ) {
          return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
        };
      },
  
      "CLASS": function( className ) {
        var pattern = classCache[ 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 ) {
          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.slice( -check.length ) === check :
            operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
            operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
            false;
        };
      },
  
      "CHILD": function( type, what, argument, first, last ) {
        var simple = type.slice( 0, 3 ) !== "nth",
          forward = type.slice( -4 ) !== "last",
          ofType = what === "of-type";
  
        return first === 1 && last === 0 ?
  
          // Shortcut for :nth-*(n)
          function( elem ) {
            return !!elem.parentNode;
          } :
  
          function( elem, context, xml ) {
            var cache, outerCache, node, diff, nodeIndex, start,
              dir = simple !== forward ? "nextSibling" : "previousSibling",
              parent = elem.parentNode,
              name = ofType && elem.nodeName.toLowerCase(),
              useCache = !xml && !ofType;
  
            if ( parent ) {
  
              // :(first|last|only)-(child|of-type)
              if ( simple ) {
                while ( dir ) {
                  node = elem;
                  while ( (node = node[ dir ]) ) {
                    if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
                      return false;
                    }
                  }
                  // Reverse direction for :only-* (if we haven't yet done so)
                  start = dir = type === "only" && !start && "nextSibling";
                }
                return true;
              }
  
              start = [ forward ? parent.firstChild : parent.lastChild ];
  
              // non-xml :nth-child(...) stores cache data on `parent`
              if ( forward && useCache ) {
                // Seek `elem` from a previously-cached index
                outerCache = parent[ expando ] || (parent[ expando ] = {});
                cache = outerCache[ type ] || [];
                nodeIndex = cache[0] === dirruns && cache[1];
                diff = cache[0] === dirruns && cache[2];
                node = nodeIndex && parent.childNodes[ nodeIndex ];
  
                while ( (node = ++nodeIndex && node && node[ dir ] ||
  
                  // Fallback to seeking `elem` from the start
                  (diff = nodeIndex = 0) || start.pop()) ) {
  
                  // When found, cache indexes on `parent` and break
                  if ( node.nodeType === 1 && ++diff && node === elem ) {
                    outerCache[ type ] = [ dirruns, nodeIndex, diff ];
                    break;
                  }
                }
  
              // Use previously-cached element index if available
              } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
                diff = cache[1];
  
              // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
              } else {
                // Use the same loop as above to seek `elem` from the start
                while ( (node = ++nodeIndex && node && node[ dir ] ||
                  (diff = nodeIndex = 0) || start.pop()) ) {
  
                  if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
                    // Cache the index of each encountered element
                    if ( useCache ) {
                      (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
                    }
  
                    if ( node === elem ) {
                      break;
                    }
                  }
                }
              }
  
              // Incorporate the offset, then check against cycle size
              diff -= last;
              return diff === first || ( diff % first === 0 && diff / first >= 0 );
            }
          };
      },
  
      "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: {
      // Potentially complex 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;
        };
      }),
  
      // "Whether an element is represented by a :lang() selector
      // is based solely on the element's language value
      // being equal to the identifier C,
      // or beginning with the identifier C immediately followed by "-".
      // The matching of C against the element's language value is performed case-insensitively.
      // The identifier C does not have to be a valid language name."
      // http://www.w3.org/TR/selectors/#lang-pseudo
      "lang": markFunction( function( lang ) {
        // lang value must be a valid identifider
        if ( !ridentifier.test(lang || "") ) {
          Sizzle.error( "unsupported lang: " + lang );
        }
        lang = lang.replace( runescape, funescape ).toLowerCase();
        return function( elem ) {
          var elemLang;
          do {
            if ( (elemLang = documentIsXML ?
              elem.getAttribute("xml:lang") || elem.getAttribute("lang") :
              elem.lang) ) {
  
              elemLang = elemLang.toLowerCase();
              return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
            }
          } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
          return false;
        };
      }),
  
      // Miscellaneous
      "target": function( elem ) {
        var hash = window.location && window.location.hash;
        return hash && hash.slice( 1 ) === elem.id;
      },
  
      "root": function( elem ) {
        return elem === docElem;
      },
  
      "focus": function( elem ) {
        return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
      },
  
      // Boolean properties
      "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;
      },
  
      // Contents
      "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 "?")
        for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
          if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
            return false;
          }
        }
        return true;
      },
  
      "parent": function( elem ) {
        return !Expr.pseudos["empty"]( elem );
      },
  
      // Element/input types
      "header": function( elem ) {
        return rheader.test( elem.nodeName );
      },
  
      "input": function( elem ) {
        return rinputs.test( elem.nodeName );
      },
  
      "button": function( elem ) {
        var name = elem.nodeName.toLowerCase();
        return name === "input" && elem.type === "button" || name === "button";
      },
  
      "text": function( elem ) {
        var 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" &&
          elem.type === "text" &&
          ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
      },
  
      // Position-in-collection
      "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 ) {
        var i = 0;
        for ( ; i < length; i += 2 ) {
          matchIndexes.push( i );
        }
        return matchIndexes;
      }),
  
      "odd": createPositionalPseudo(function( matchIndexes, length ) {
        var i = 1;
        for ( ; i < length; i += 2 ) {
          matchIndexes.push( i );
        }
        return matchIndexes;
      }),
  
      "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
        var i = argument < 0 ? argument + length : argument;
        for ( ; --i >= 0; ) {
          matchIndexes.push( i );
        }
        return matchIndexes;
      }),
  
      "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
        var i = argument < 0 ? argument + length : argument;
        for ( ; ++i < length; ) {
          matchIndexes.push( i );
        }
        return matchIndexes;
      })
    }
  };
  
  // Add button/input type pseudos
  for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
    Expr.pseudos[ i ] = createInputPseudo( i );
  }
  for ( i in { submit: true, reset: true } ) {
    Expr.pseudos[ i ] = createButtonPseudo( i );
  }
  
  function tokenize( selector, parseOnly ) {
    var matched, match, tokens, type,
      soFar, groups, preFilters,
      cached = tokenCache[ 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 )) ) {
        matched = match.shift();
        tokens.push( {
          value: matched,
          // Cast descendant combinators to space
          type: match[0].replace( rtrim, " " )
        } );
        soFar = soFar.slice( matched.length );
      }
  
      // Filters
      for ( type in Expr.filter ) {
        if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
          (match = preFilters[ type ]( match ))) ) {
          matched = match.shift();
          tokens.push( {
            value: matched,
            type: type,
            matches: match
          } );
          soFar = soFar.slice( matched.length );
        }
      }
  
      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 toSelector( tokens ) {
    var i = 0,
      len = tokens.length,
      selector = "";
    for ( ; i < len; i++ ) {
      selector += tokens[i].value;
    }
    return selector;
  }
  
  function addCombinator( matcher, combinator, base ) {
    var dir = combinator.dir,
      checkNonElements = base && dir === "parentNode",
      doneName = done++;
  
    return combinator.first ?
      // Check against closest ancestor/preceding element
      function( elem, context, xml ) {
        while ( (elem = elem[ dir ]) ) {
          if ( elem.nodeType === 1 || checkNonElements ) {
            return matcher( elem, context, xml );
          }
        }
      } :
  
      // Check against all ancestor/preceding elements
      function( elem, context, xml ) {
        var data, cache, outerCache,
          dirkey = dirruns + " " + doneName;
  
        // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
        if ( xml ) {
          while ( (elem = elem[ dir ]) ) {
            if ( elem.nodeType === 1 || checkNonElements ) {
              if ( matcher( elem, context, xml ) ) {
                return true;
              }
            }
          }
        } else {
          while ( (elem = elem[ dir ]) ) {
            if ( elem.nodeType === 1 || checkNonElements ) {
              outerCache = elem[ expando ] || (elem[ expando ] = {});
              if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
                if ( (data = cache[1]) === true || data === cachedruns ) {
                  return data === true;
                }
              } else {
                cache = outerCache[ dir ] = [ dirkey ];
                cache[1] = matcher( elem, context, xml ) || cachedruns;
                if ( cache[1] === true ) {
                  return true;
                }
              }
            }
          }
        }
      };
  }
  
  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 && toSelector( tokens.slice( 0, i - 1 ) ).replace( rtrim, "$1" ),
            matcher,
            i < j && matcherFromTokens( tokens.slice( i, j ) ),
            j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
            j < len && toSelector( tokens )
          );
        }
        matchers.push( matcher );
      }
    }
  
    return elementMatcher( matchers );
  }
  
  function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
    // A counter to specify which element is currently being matched
    var matcherCachedRuns = 0,
      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 ),
          // Use integer dirruns iff this is the outermost matcher
          dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
  
        if ( outermost ) {
          outermostContext = context !== document && context;
          cachedruns = matcherCachedRuns;
        }
  
        // Add elements passing elementMatchers directly to results
        // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
        for ( ; (elem = elems[i]) != null; i++ ) {
          if ( byElement && elem ) {
            j = 0;
            while ( (matcher = elementMatchers[j++]) ) {
              if ( matcher( elem, context, xml ) ) {
                results.push( elem );
                break;
              }
            }
            if ( outermost ) {
              dirruns = dirrunsUnique;
              cachedruns = ++matcherCachedRuns;
            }
          }
  
          // 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 ) {
          j = 0;
          while ( (matcher = setMatchers[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;
      };
  
    return bySet ?
      markFunction( superMatcher ) :
      superMatcher;
  }
  
  compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
    var i,
      setMatchers = [],
      elementMatchers = [],
      cached = compilerCache[ 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 ) {
    var i, tokens, token, type, find,
      match = tokenize( selector );
  
    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 && !documentIsXML &&
            Expr.relative[ tokens[1].type ] ) {
  
          context = Expr.find["ID"]( token.matches[0].replace( runescape, funescape ), context )[0];
          if ( !context ) {
            return results;
          }
  
          selector = selector.slice( tokens.shift().value.length );
        }
  
        // Fetch a seed set for right-to-left matching
        i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
        while ( 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( runescape, funescape ),
              rsibling.test( tokens[0].type ) && context.parentNode || context
            )) ) {
  
              // If seed is empty or no tokens remain, we can return early
              tokens.splice( i, 1 );
              selector = seed.length && toSelector( tokens );
              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,
      documentIsXML,
      results,
      rsibling.test( selector )
    );
    return results;
  }
  
  // Deprecated
  Expr.pseudos["nth"] = Expr.pseudos["eq"];
  
  // Easy API for creating new setFilters
  function setFilters() {}
  Expr.filters = setFilters.prototype = Expr.pseudos;
  Expr.setFilters = new setFilters();
  
  // Initialize with the default document
  setDocument();
  
  // 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, ret, self,
        len = this.length;
  
      if ( typeof selector !== "string" ) {
        self = this;
        return this.pushStack( jQuery( selector ).filter(function() {
          for ( i = 0; i < len; i++ ) {
            if ( jQuery.contains( self[ i ], this ) ) {
              return true;
            }
          }
        }) );
      }
  
      ret = [];
      for ( i = 0; i < len; i++ ) {
        jQuery.find( selector, this[ i ], ret );
      }
  
      // Needed because $( selector, context ) becomes $( context ).find( selector )
      ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
      ret.selector = ( this.selector ? this.selector + " " : "" ) + selector;
      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) );
    },
  
    filter: function( selector ) {
      return this.pushStack( winnow(this, selector, true) );
    },
  
    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;
        }
      }
  
      return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
    },
  
    // 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.first().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( jQuery.unique(all) );
    },
  
    addBack: function( selector ) {
      return this.add( selector == null ?
        this.prevObject : this.prevObject.filter(selector)
      );
    }
  });
  
  jQuery.fn.andSelf = jQuery.fn.addBack;
  
  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 );
    };
  });
  
  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 ) {
        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 ) {
      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,
    rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
    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,
    manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
    // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rscriptType = /^$|\/(?:java|ecma)script/i,
    rscriptTypeMasked = /^true\/(.*)/,
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
  
    // We have to close these tags to support XHTML (#13200)
    wrapMap = {
      option: [ 1, "<select multiple='multiple'>", "</select>" ],
      legend: [ 1, "<fieldset>", "</fieldset>" ],
      area: [ 1, "<map>", "</map>" ],
      param: [ 1, "<object>", "</object>" ],
      thead: [ 1, "<table>", "</table>" ],
      tr: [ 2, "<table><tbody>", "</tbody></table>" ],
      col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
      td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  
      // 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.
      _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
    },
    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;
  
  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.nodeType === 9 ) {
          this.appendChild( elem );
        }
      });
    },
  
    prepend: function() {
      return this.domManip(arguments, true, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          this.insertBefore( elem, this.firstChild );
        }
      });
    },
  
    before: function() {
      return this.domManip( arguments, false, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this );
        }
      });
    },
  
    after: function() {
      return this.domManip( arguments, false, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this.nextSibling );
        }
      });
    },
  
    // 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 > 0 ) {
          if ( !keepData && elem.nodeType === 1 ) {
            jQuery.cleanData( getAll( elem ) );
          }
  
          if ( elem.parentNode ) {
            if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
              setGlobalEval( getAll( elem, "script" ) );
            }
            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( getAll( elem, false ) );
        }
  
        // Remove any remaining nodes
        while ( elem.firstChild ) {
          elem.removeChild( elem.firstChild );
        }
  
        // If this is a select, ensure that it displays empty (#12336)
        // Support: IE<9
        if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
          elem.options.length = 0;
        }
      }
  
      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( getAll( elem, false ) );
                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 ) {
      var isFunc = jQuery.isFunction( value );
  
      // 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 ( !isFunc && typeof value !== "string" ) {
        value = jQuery( value ).not( this ).detach();
      }
  
      return this.domManip( [ value ], true, function( elem ) {
        var next = this.nextSibling,
          parent = this.parentNode;
  
        if ( parent ) {
          jQuery( this ).remove();
          parent.insertBefore( elem, next );
        }
      });
    },
  
    detach: function( selector ) {
      return this.remove( selector, true );
    },
  
    domManip: function( args, table, callback ) {
  
      // Flatten any nested arrays
      args = core_concat.apply( [], args );
  
      var first, node, hasScripts,
        scripts, doc, fragment,
        i = 0,
        l = this.length,
        set = this,
        iNoClone = l - 1,
        value = args[0],
        isFunction = jQuery.isFunction( value );
  
      // We can't cloneNode fragments that contain checked, in WebKit
      if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
        return this.each(function( index ) {
          var self = set.eq( index );
          if ( isFunction ) {
            args[0] = value.call( this, index, table ? self.html() : undefined );
          }
          self.domManip( args, table, callback );
        });
      }
  
      if ( l ) {
        fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
        first = fragment.firstChild;
  
        if ( fragment.childNodes.length === 1 ) {
          fragment = first;
        }
  
        if ( first ) {
          table = table && jQuery.nodeName( first, "tr" );
          scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
          hasScripts = scripts.length;
  
          // Use the original fragment for the last item instead of the first because it can end up
          // being emptied incorrectly in certain situations (#8070).
          for ( ; i < l; i++ ) {
            node = fragment;
  
            if ( i !== iNoClone ) {
              node = jQuery.clone( node, true, true );
  
              // Keep references to cloned scripts for later restoration
              if ( hasScripts ) {
                jQuery.merge( scripts, getAll( node, "script" ) );
              }
            }
  
            callback.call(
              table && jQuery.nodeName( this[i], "table" ) ?
                findOrAppend( this[i], "tbody" ) :
                this[i],
              node,
              i
            );
          }
  
          if ( hasScripts ) {
            doc = scripts[ scripts.length - 1 ].ownerDocument;
  
            // Re-enable scripts
            jQuery.map( scripts, restoreScript );
  
            // Evaluate executable scripts on first document insertion
            for ( i = 0; i < hasScripts; i++ ) {
              node = scripts[ i ];
              if ( rscriptType.test( node.type || "" ) &&
                !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
  
                if ( node.src ) {
                  // Hope ajax is available...
                  jQuery.ajax({
                    url: node.src,
                    type: "GET",
                    dataType: "script",
                    async: false,
                    global: false,
                    "throws": true
                  });
                } else {
                  jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
                }
              }
            }
          }
  
          // Fix #11809: Avoid leaking memory
          fragment = first = null;
        }
      }
  
      return this;
    }
  });
  
  function findOrAppend( elem, tag ) {
    return elem.getElementsByTagName( tag )[0] || elem.appendChild( elem.ownerDocument.createElement( tag ) );
  }
  
  // Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
    var attr = elem.getAttributeNode("type");
    elem.type = ( attr && attr.specified ) + "/" + elem.type;
    return elem;
  }
  function restoreScript( elem ) {
    var match = rscriptTypeMasked.exec( elem.type );
    if ( match ) {
      elem.type = match[1];
    } else {
      elem.removeAttribute("type");
    }
    return elem;
  }
  
  // Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
    var elem,
      i = 0;
    for ( ; (elem = elems[i]) != null; i++ ) {
      jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
    }
  }
  
  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 fixCloneNodeIssues( src, dest ) {
    var nodeName, e, data;
  
    // We do not need to do anything for non-Elements
    if ( dest.nodeType !== 1 ) {
      return;
    }
  
    nodeName = dest.nodeName.toLowerCase();
  
    // IE6-8 copies events bound via attachEvent when using cloneNode.
    if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
      data = jQuery._data( dest );
  
      for ( e in data.events ) {
        jQuery.removeEvent( dest, e, data.handle );
      }
  
      // Event data gets referenced instead of copied if the expando gets copied too
      dest.removeAttribute( jQuery.expando );
    }
  
    // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
    if ( nodeName === "script" && dest.text !== src.text ) {
      disableScript( dest ).text = src.text;
      restoreScript( dest );
  
    // IE6-10 improperly clones children of object elements using classid.
    // IE10 throws NoModificationAllowedError if parent is null, #12132.
    } else if ( nodeName === "object" ) {
      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" && manipulation_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.defaultSelected = 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;
    }
  }
  
  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 ),
        last = insert.length - 1;
  
      for ( ; i <= last; i++ ) {
        elems = i === last ? this : this.clone(true);
        jQuery( insert[i] )[ original ]( elems );
  
        // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
        core_push.apply( ret, elems.get() );
      }
  
      return this.pushStack( ret );
    };
  });
  
  function getAll( context, tag ) {
    var elems, elem,
      i = 0,
      found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
        typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
        undefined;
  
    if ( !found ) {
      for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
        if ( !tag || jQuery.nodeName( elem, tag ) ) {
          found.push( elem );
        } else {
          jQuery.merge( found, getAll( elem, tag ) );
        }
      }
    }
  
    return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
      jQuery.merge( [ context ], found ) :
      found;
  }
  
  // Used in buildFragment, fixes the defaultChecked property
  function fixDefaultChecked( elem ) {
    if ( manipulation_rcheckableType.test( elem.type ) ) {
      elem.defaultChecked = elem.checked;
    }
  }
  
  jQuery.extend({
    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
      var destElements, node, clone, i, srcElements,
        inPage = jQuery.contains( elem.ownerDocument, elem );
  
      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) ) {
  
        // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
        destElements = getAll( clone );
        srcElements = getAll( elem );
  
        // Fix all IE cloning issues
        for ( i = 0; (node = srcElements[i]) != null; ++i ) {
          // Ensure that the destination node is not null; Fixes #9587
          if ( destElements[i] ) {
            fixCloneNodeIssues( node, destElements[i] );
          }
        }
      }
  
      // Copy the events from the original to the clone
      if ( dataAndEvents ) {
        if ( deepDataAndEvents ) {
          srcElements = srcElements || getAll( elem );
          destElements = destElements || getAll( clone );
  
          for ( i = 0; (node = srcElements[i]) != null; i++ ) {
            cloneCopyEvent( node, destElements[i] );
          }
        } else {
          cloneCopyEvent( elem, clone );
        }
      }
  
      // Preserve script evaluation history
      destElements = getAll( clone, "script" );
      if ( destElements.length > 0 ) {
        setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
      }
  
      destElements = srcElements = node = null;
  
      // Return the cloned set
      return clone;
    },
  
    buildFragment: function( elems, context, scripts, selection ) {
      var j, elem, contains,
        tmp, tag, tbody, wrap,
        l = elems.length,
  
        // Ensure a safe fragment
        safe = createSafeFragment( context ),
  
        nodes = [],
        i = 0;
  
      for ( ; i < l; i++ ) {
        elem = elems[ i ];
  
        if ( elem || elem === 0 ) {
  
          // Add nodes directly
          if ( jQuery.type( elem ) === "object" ) {
            jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
  
          // Convert non-html into a text node
          } else if ( !rhtml.test( elem ) ) {
            nodes.push( context.createTextNode( elem ) );
  
          // Convert html into DOM nodes
          } else {
            tmp = tmp || safe.appendChild( context.createElement("div") );
  
            // Deserialize a standard representation
            tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
            wrap = wrapMap[ tag ] || wrapMap._default;
  
            tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
  
            // Descend through wrappers to the right content
            j = wrap[0];
            while ( j-- ) {
              tmp = tmp.lastChild;
            }
  
            // Manually add leading whitespace removed by IE
            if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
              nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
            }
  
            // Remove IE's autoinserted <tbody> from table fragments
            if ( !jQuery.support.tbody ) {
  
              // String was a <table>, *may* have spurious <tbody>
              elem = tag === "table" && !rtbody.test( elem ) ?
                tmp.firstChild :
  
                // String was a bare <thead> or <tfoot>
                wrap[1] === "<table>" && !rtbody.test( elem ) ?
                  tmp :
                  0;
  
              j = elem && elem.childNodes.length;
              while ( j-- ) {
                if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
                  elem.removeChild( tbody );
                }
              }
            }
  
            jQuery.merge( nodes, tmp.childNodes );
  
            // Fix #12392 for WebKit and IE > 9
            tmp.textContent = "";
  
            // Fix #12392 for oldIE
            while ( tmp.firstChild ) {
              tmp.removeChild( tmp.firstChild );
            }
  
            // Remember the top-level container for proper cleanup
            tmp = safe.lastChild;
          }
        }
      }
  
      // Fix #11356: Clear elements from fragment
      if ( tmp ) {
        safe.removeChild( tmp );
      }
  
      // Reset defaultChecked for any radios and checkboxes
      // about to be appended to the DOM in IE 6/7 (#8060)
      if ( !jQuery.support.appendChecked ) {
        jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
      }
  
      i = 0;
      while ( (elem = nodes[ i++ ]) ) {
  
        // #4087 - If origin and destination elements are the same, and this is
        // that element, do not do anything
        if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
          continue;
        }
  
        contains = jQuery.contains( elem.ownerDocument, elem );
  
        // Append to fragment
        tmp = getAll( safe.appendChild( elem ), "script" );
  
        // Preserve script evaluation history
        if ( contains ) {
          setGlobalEval( tmp );
        }
  
        // Capture executables
        if ( scripts ) {
          j = 0;
          while ( (elem = tmp[ j++ ]) ) {
            if ( rscriptType.test( elem.type || "" ) ) {
              scripts.push( elem );
            }
          }
        }
      }
  
      tmp = null;
  
      return safe;
    },
  
    cleanData: function( elems, /* internal */ acceptData ) {
      var elem, type, id, data,
        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 ( typeof elem.removeAttribute !== core_strundefined ) {
                elem.removeAttribute( internalKey );
  
              } else {
                elem[ internalKey ] = null;
              }
  
              core_deletedIds.push( id );
            }
          }
        }
      }
    }
  });
  var iframe, getStyles, curCSS,
    ralpha = /alpha\([^)]*\)/i,
    ropacity = /opacity\s*=\s*([^)]*)/,
    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" ];
  
  // 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 ) {
    // isHidden might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem;
    return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
  }
  
  function showHide( elements, show ) {
    var display, elem, hidden,
      values = [],
      index = 0,
      length = elements.length;
  
    for ( ; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }
  
      values[ index ] = jQuery._data( elem, "olddisplay" );
      display = elem.style.display;
      if ( show ) {
        // Reset the inline display of this element to learn if it is
        // being hidden by cascaded rules or not
        if ( !values[ index ] && 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 {
  
        if ( !values[ index ] ) {
          hidden = isHidden( elem );
  
          if ( display && display !== "none" || !hidden ) {
            jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "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 ) {
        var len, styles,
          map = {},
          i = 0;
  
        if ( jQuery.isArray( name ) ) {
          styles = getStyles( elem );
          len = name.length;
  
          for ( ; i < len; i++ ) {
            map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
          }
  
          return map;
        }
  
        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 ) {
      var bool = typeof state === "boolean";
  
      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: {
      "columnCount": true,
      "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";
        }
  
        // Fixes #8908, it can be done more correctly by specifying setters in cssHooks,
        // but it would mean to define eight (for every problematic property) identical functions
        if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
          style[ name ] = "inherit";
        }
  
        // 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, extra, styles ) {
      var num, val, 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, styles );
      }
  
      //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 ( extra === "" || extra ) {
        num = parseFloat( val );
        return extra === true || 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, args ) {
      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.apply( elem, args || [] );
  
      // Revert the old values
      for ( name in options ) {
        elem.style[ name ] = old[ name ];
      }
  
      return ret;
    }
  });
  
  // NOTE: we've included the "window" in window.getComputedStyle
  // because jsdom on node.js will break without it.
  if ( window.getComputedStyle ) {
    getStyles = function( elem ) {
      return window.getComputedStyle( elem, null );
    };
  
    curCSS = function( elem, name, _computed ) {
      var width, minWidth, maxWidth,
        computed = _computed || getStyles( elem ),
  
        // getPropertyValue is only needed for .css('filter') in IE9, see #12537
        ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
        style = elem.style;
  
      if ( computed ) {
  
        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 ) ) {
  
          // Remember the original values
          width = style.width;
          minWidth = style.minWidth;
          maxWidth = style.maxWidth;
  
          // Put in the new values to get a computed value out
          style.minWidth = style.maxWidth = style.width = ret;
          ret = computed.width;
  
          // Revert the changed values
          style.width = width;
          style.minWidth = minWidth;
          style.maxWidth = maxWidth;
        }
      }
  
      return ret;
    };
  } else if ( document.documentElement.currentStyle ) {
    getStyles = function( elem ) {
      return elem.currentStyle;
    };
  
    curCSS = function( elem, name, _computed ) {
      var left, rs, rsLeft,
        computed = _computed || getStyles( elem ),
        ret = computed ? computed[ name ] : undefined,
        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;
        rs = elem.runtimeStyle;
        rsLeft = rs && rs.left;
  
        // Put in the new values to get a computed value out
        if ( rsLeft ) {
          rs.left = elem.currentStyle.left;
        }
        style.left = name === "fontSize" ? "1em" : ret;
        ret = style.pixelLeft + "px";
  
        // Revert the changed values
        style.left = left;
        if ( rsLeft ) {
          rs.left = rsLeft;
        }
      }
  
      return ret === "" ? "auto" : ret;
    };
  }
  
  function setPositiveNumber( elem, value, subtract ) {
    var matches = rnumsplit.exec( value );
    return matches ?
      // Guard against undefined "subtract", e.g., when used as in cssHooks
      Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
      value;
  }
  
  function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
    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" ) {
        val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
      }
  
      if ( isBorderBox ) {
        // border-box includes padding, so remove it if we want content
        if ( extra === "content" ) {
          val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
        }
  
        // at this point, extra isn't border nor margin, so remove border
        if ( extra !== "margin" ) {
          val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      } else {
        // at this point, extra isn't content, so add padding
        val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  
        // at this point, extra isn't content nor padding, so add border
        if ( extra !== "padding" ) {
          val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      }
    }
  
    return val;
  }
  
  function getWidthOrHeight( elem, name, extra ) {
  
    // Start with offset property, which is equivalent to the border-box value
    var valueIsBorderBox = true,
      val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
      styles = getStyles( elem ),
      isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "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, styles );
      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,
        styles
      )
    ) + "px";
  }
  
  // Try to determine the default display value of an element
  function css_defaultDisplay( nodeName ) {
    var doc = document,
      display = elemdisplay[ nodeName ];
  
    if ( !display ) {
      display = actualDisplay( nodeName, doc );
  
      // If the simple way fails, read from inside an iframe
      if ( display === "none" || !display ) {
        // Use the already-created iframe if possible
        iframe = ( iframe ||
          jQuery("<iframe frameborder='0' width='0' height='0'/>")
          .css( "cssText", "display:block !important" )
        ).appendTo( doc.documentElement );
  
        // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
        doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
        doc.write("<!doctype html><html><body>");
        doc.close();
  
        display = actualDisplay( nodeName, doc );
        iframe.detach();
      }
  
      // Store the correct default display
      elemdisplay[ nodeName ] = display;
    }
  
    return display;
  }
  
  // Called ONLY from within css_defaultDisplay
  function actualDisplay( name, doc ) {
    var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
      display = jQuery.css( elem[0], "display" );
    elem.remove();
    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
          return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
            jQuery.swap( elem, cssShow, function() {
              return getWidthOrHeight( elem, name, extra );
            }) :
            getWidthOrHeight( elem, name, extra );
        }
      },
  
      set: function( elem, value, extra ) {
        var styles = extra && getStyles( elem );
        return setPositiveNumber( elem, value, extra ?
          augmentWidthOrHeight(
            elem,
            name,
            extra,
            jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
            styles
          ) : 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 === "", then remove inline opacity #12685
        if ( ( value >= 1 || value === "" ) &&
            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 is no filter style applied in a css rule or unset inline opacity, we are done
          if ( value === "" || 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 ) {
          if ( 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" },
              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 ) {
              computed = curCSS( elem, prop );
              // if curCSS returns percentage, fallback to offset
              return rnumnonpx.test( computed ) ?
                jQuery( elem ).position()[ prop ] + "px" :
                computed;
            }
          }
        };
      });
    }
  
  });
  
  if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.hidden = function( elem ) {
      // Support: Opera <= 12.12
      // Opera reports offsetWidths and offsetHeights less than zero on some elements
      return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
        (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( 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 = 0,
          expanded = {},
  
          // assumes a single number if not a string
          parts = typeof value === "string" ? value.split(" ") : [ value ];
  
        for ( ; 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 = /\[\]$/,
    rCRLF = /\r?\n/g,
    rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
    rsubmittable = /^(?:input|select|textarea|keygen)/i;
  
  jQuery.fn.extend({
    serialize: function() {
      return jQuery.param( this.serializeArray() );
    },
    serializeArray: function() {
      return this.map(function(){
        // Can add propHook for "elements" to filter or add form elements
        var elements = jQuery.prop( this, "elements" );
        return elements ? jQuery.makeArray( elements ) : this;
      })
      .filter(function(){
        var type = this.type;
        // Use .is(":disabled") so that fieldset[disabled] works
        return this.name && !jQuery( this ).is( ":disabled" ) &&
          rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
          ( this.checked || !manipulation_rcheckableType.test( type ) );
      })
      .map(function( i, elem ){
        var val = jQuery( this ).val();
  
        return val == null ?
          null :
          jQuery.isArray( val ) ?
            jQuery.map( val, function( val ){
              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 {
          // Item is non-scalar (array or object), encode its numeric index.
          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 );
    }
  }
  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 ) {
      return arguments.length > 0 ?
        this.on( name, null, data, fn ) :
        this.trigger( name );
    };
  });
  
  jQuery.fn.hover = function( fnOver, fnOut ) {
    return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
  };
  var
    // Document location
    ajaxLocParts,
    ajaxLocation,
    ajax_nonce = jQuery.now(),
  
    ajax_rquery = /\?/,
    rhash = /#.*$/,
    rts = /([?&])_=[^&]*/,
    rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/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 = /^\/\//,
    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 = "*/".concat("*");
  
  // #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,
        i = 0,
        dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
  
      if ( jQuery.isFunction( func ) ) {
        // For each dataType in the dataTypeExpression
        while ( (dataType = dataTypes[i++]) ) {
          // Prepend if requested
          if ( dataType[0] === "+" ) {
            dataType = dataType.slice( 1 ) || "*";
            (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
  
          // Otherwise append
          } else {
            (structure[ dataType ] = structure[ dataType ] || []).push( func );
          }
        }
      }
    };
  }
  
  // Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
  
    var inspected = {},
      seekingTransport = ( structure === transports );
  
    function inspect( dataType ) {
      var selected;
      inspected[ dataType ] = true;
      jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
        var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
        if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
          options.dataTypes.unshift( dataTypeOrTransport );
          inspect( dataTypeOrTransport );
          return false;
        } else if ( seekingTransport ) {
          return !( selected = dataTypeOrTransport );
        }
      });
      return selected;
    }
  
    return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }
  
  // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887
  function ajaxExtend( target, src ) {
    var deep, key,
      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 );
    }
  
    return target;
  }
  
  jQuery.fn.load = function( url, params, callback ) {
    if ( typeof url !== "string" && _load ) {
      return _load.apply( this, arguments );
    }
  
    var selector, response, type,
      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";
    }
  
    // If we have elements to modify, make the request
    if ( self.length > 0 ) {
      jQuery.ajax({
        url: url,
  
        // if "type" variable is undefined, then "GET" method will be used
        type: type,
        dataType: "html",
        data: params
      }).done(function( responseText ) {
  
        // Save response for use in complete callback
        response = arguments;
  
        self.html( selector ?
  
          // If a selector was specified, locate the right elements in a dummy div
          // Exclude scripts to avoid IE 'Permission Denied' errors
          jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
  
          // Otherwise use the full result
          responseText );
  
      }).complete( callback && function( jqXHR, status ) {
        self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
      });
    }
  
    return this;
  };
  
  // Attach a bunch of functions for handling common AJAX events
  jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
    jQuery.fn[ type ] = function( fn ){
      return this.on( type, fn );
    };
  });
  
  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({
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      });
    };
  });
  
  jQuery.extend({
  
    // Counter for holding the number of active queries
    active: 0,
  
    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},
  
    ajaxSettings: {
      url: ajaxLocation,
      type: "GET",
      isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",
      /*
      timeout: 0,
      data: null,
      dataType: null,
      username: null,
      password: null,
      cache: null,
      throws: false,
      traditional: false,
      headers: {},
      */
  
      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },
  
      contents: {
        xml: /xml/,
        html: /html/,
        json: /json/
      },
  
      responseFields: {
        xml: "responseXML",
        text: "responseText"
      },
  
      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      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: {
        url: true,
        context: true
      }
    },
  
    // 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 ) {
      return settings ?
  
        // Building a settings object
        ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
  
        // Extending ajaxSettings
        ajaxExtend( jQuery.ajaxSettings, target );
    },
  
    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 // Cross-domain detection vars
        parts,
        // Loop variable
        i,
        // URL without anti-cache param
        cacheURL,
        // Response headers as string
        responseHeadersString,
        // timeout handle
        timeoutTimer,
  
        // To know if global events are to be dispatched
        fireGlobals,
  
        transport,
        // Response headers
        responseHeaders,
        // Create the final options object
        s = jQuery.ajaxSetup( {}, options ),
        // Callbacks context
        callbackContext = s.context || s,
        // Context for global events is callbackContext if it is a DOM node or jQuery collection
        globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.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,
  
          // 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 == null ? null : match;
          },
  
          // Raw string
          getAllResponseHeaders: function() {
            return state === 2 ? responseHeadersString : null;
          },
  
          // Caches the header
          setRequestHeader: function( name, value ) {
            var lname = name.toLowerCase();
            if ( !state ) {
              name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
              requestHeaders[ name ] = value;
            }
            return this;
          },
  
          // Overrides response content-type header
          overrideMimeType: function( type ) {
            if ( !state ) {
              s.mimeType = type;
            }
            return this;
          },
  
          // Status-dependent callbacks
          statusCode: function( map ) {
            var code;
            if ( map ) {
              if ( state < 2 ) {
                for ( code in map ) {
                  // Lazy-add the new callback in a way that preserves old ones
                  statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                }
              } else {
                // Execute the appropriate callbacks
                jqXHR.always( map[ jqXHR.status ] );
              }
            }
            return this;
          },
  
          // Cancel the request
          abort: function( statusText ) {
            var finalText = statusText || strAbort;
            if ( transport ) {
              transport.abort( finalText );
            }
            done( 0, finalText );
            return this;
          }
        };
  
      // Attach deferreds
      deferred.promise( jqXHR ).complete = completeDeferred.add;
      jqXHR.success = jqXHR.done;
      jqXHR.error = jqXHR.fail;
  
      // Remove hash character (#7531: and string promotion)
      // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available
      s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
  
      // Alias method option to type as per ticket #12004
      s.type = options.method || options.type || s.method || s.type;
  
      // Extract dataTypes list
      s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
  
      // 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;
  
      // Watch for a new set of requests
      if ( fireGlobals && jQuery.active++ === 0 ) {
        jQuery.event.trigger("ajaxStart");
      }
  
      // Uppercase the type
      s.type = s.type.toUpperCase();
  
      // Determine if request has content
      s.hasContent = !rnoContent.test( s.type );
  
      // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on
      cacheURL = s.url;
  
      // More options handling for requests with no content
      if ( !s.hasContent ) {
  
        // If data is available, append data to url
        if ( s.data ) {
          cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
          // #9682: remove data so that it's not used in an eventual retry
          delete s.data;
        }
  
        // Add anti-cache in url if needed
        if ( s.cache === false ) {
          s.url = rts.test( cacheURL ) ?
  
            // If there is already a '_' parameter, set its value
            cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
  
            // Otherwise add one to the end
            cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
        }
      }
  
      // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
      if ( s.ifModified ) {
        if ( jQuery.lastModified[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
        }
        if ( jQuery.etag[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
        }
      }
  
      // 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 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;
          }
        }
      }
  
      // Callback for when everything is done
      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[ cacheURL ] = modified;
            }
            modified = jqXHR.getResponseHeader("etag");
            if ( modified ) {
              jQuery.etag[ cacheURL ] = modified;
            }
          }
  
          // if no content
          if ( status === 204 ) {
            isSuccess = true;
            statusText = "nocontent";
  
          // if not modified
          } else if ( status === 304 ) {
            isSuccess = true;
            statusText = "notmodified";
  
          // If we have data, let's convert it
          } 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 ( status || !statusText ) {
            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( isSuccess ? "ajaxSuccess" : "ajaxError",
            [ 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");
          }
        }
      }
  
      return jqXHR;
    },
  
    getScript: function( url, callback ) {
      return jQuery.get( url, undefined, callback, "script" );
    },
  
    getJSON: function( url, data, callback ) {
      return jQuery.get( url, data, callback, "json" );
    }
  });
  
  /* 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 firstDataType, ct, finalDataType, type,
      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 conv2, current, conv, tmp,
      converters = {},
      i = 0,
      // Work with a copy of dataTypes in case we need to modify it for conversion
      dataTypes = s.dataTypes.slice(),
      prev = dataTypes[ 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 };
  }
  // Install script dataType
  jQuery.ajaxSetup({
    accepts: {
      script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /(?:java|ecma)script/
    },
    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 || jQuery("head")[0] || document.documentElement;
  
      return {
  
        send: function( _, callback ) {
  
          script = document.createElement("script");
  
          script.async = true;
  
          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 ( script.parentNode ) {
                script.parentNode.removeChild( script );
              }
  
              // Dereference the script
              script = null;
  
              // Callback if not abort
              if ( !isAbort ) {
                callback( 200, "success" );
              }
            }
          };
  
          // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
          // Use native DOM manipulation to avoid our domManip AJAX trickery
          head.insertBefore( script, head.firstChild );
        },
  
        abort: function() {
          if ( script ) {
            script.onload( undefined, true );
          }
        }
      };
    }
  });
  var oldCallbacks = [],
    rjsonp = /(=)\?(?=&|$)|\?\?/;
  
  // Default jsonp settings
  jQuery.ajaxSetup({
    jsonp: "callback",
    jsonpCallback: function() {
      var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_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,
      jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
        "url" :
        typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
      );
  
    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
  
      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
        s.jsonpCallback() :
        s.jsonpCallback;
  
      // Insert callback into url or form data
      if ( jsonProp ) {
        s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
      } else if ( s.jsonp !== false ) {
        s.url += ( ajax_rquery.test( s.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
      overwritten = window[ callbackName ];
      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";
    }
  });
  var xhrCallbacks, xhrSupported,
    xhrId = 0,
    // #5280: Internet Explorer will keep connections alive if we don't abort on unload
    xhrOnUnloadAbort = window.ActiveXObject && function() {
      // Abort all pending requests
      var key;
      for ( key in xhrCallbacks ) {
        xhrCallbacks[ key ]( undefined, true );
      }
    };
  
  // 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
  xhrSupported = jQuery.ajaxSettings.xhr();
  jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  xhrSupported = jQuery.support.ajax = !!xhrSupported;
  
  // Create transport if the browser can provide an xhr
  if ( xhrSupported ) {
  
    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( err ) {}
  
            // 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, responseHeaders, statusText, responses;
  
              // 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 {
                    responses = {};
                    status = xhr.status;
                    responseHeaders = xhr.getAllResponseHeaders();
  
                    // When requesting binary data, IE6-9 will throw an exception
                    // on any attempt to access responseText (#11426)
                    if ( typeof xhr.responseText === "string" ) {
                      responses.text = xhr.responseText;
                    }
  
                    // 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 );
            } 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( undefined, true );
            }
          }
        };
      }
    });
  }
  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;
    });
    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,
      stopped,
      index = 0,
      length = animationPrefilters.length,
      deferred = jQuery.Deferred().always( function() {
        // don't match elem in the :animated selector
        delete tick.elem;
      }),
      tick = function() {
        if ( stopped ) {
          return false;
        }
        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 ) {
          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;
          if ( stopped ) {
            return this;
          }
          stopped = true;
          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, {
        elem: elem,
        anim: animation,
        queue: animation.opts.queue
      })
    );
  
    // 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 value, name, index, easing, 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 won't 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 ) {
    /*jshint validthis:true */
    var prop, index, length,
      value, 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.always(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" );
        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 an empty string as a 3rd 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, "" );
        // 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" ?
        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 );
          doAnimation.finish = function() {
            anim.stop( true );
          };
          // Empty animations, or finishing resolves immediately
          if ( empty || jQuery._data( this, "finish" ) ) {
            anim.stop( true );
          }
        };
        doAnimation.finish = doAnimation;
  
      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 );
        }
      });
    },
    finish: function( type ) {
      if ( type !== false ) {
        type = type || "fx";
      }
      return this.each(function() {
        var index,
          data = jQuery._data( this ),
          queue = data[ type + "queue" ],
          hooks = data[ type + "queueHooks" ],
          timers = jQuery.timers,
          length = queue ? queue.length : 0;
  
        // enable finishing flag on private data
        data.finish = true;
  
        // empty the queue first
        jQuery.queue( this, type, [] );
  
        if ( hooks && hooks.cur && hooks.cur.finish ) {
          hooks.cur.finish.call( this );
        }
  
        // look for any active animations, and finish them
        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
            timers[ index ].anim.stop( true );
            timers.splice( index, 1 );
          }
        }
  
        // look for any animations in the old queue and finish them
        for ( index = 0; index < length; index++ ) {
          if ( queue[ index ] && queue[ index ].finish ) {
            queue[ index ].finish.call( this );
          }
        }
  
        // turn off finishing flag
        delete data.finish;
      });
    }
  });
  
  // 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 ) ) {
      jQuery.fx.start();
    }
  };
  
  jQuery.fx.interval = 13;
  
  jQuery.fx.start = function() {
    if ( !timerId ) {
      timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
    }
  };
  
  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;
    };
  }
  jQuery.fn.offset = function( options ) {
    if ( arguments.length ) {
      return options === undefined ?
        this :
        this.each(function( i ) {
          jQuery.offset.setOffset( this, options, i );
        });
    }
  
    var docElem, win,
      box = { top: 0, left: 0 },
      elem = this[ 0 ],
      doc = elem && elem.ownerDocument;
  
    if ( !doc ) {
      return;
    }
  
    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 !== core_strundefined ) {
      box = elem.getBoundingClientRect();
    }
    win = getWindow( doc );
    return {
      top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
      left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
    };
  };
  
  jQuery.offset = {
  
    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 offsetParent, offset,
        parentOffset = { top: 0, left: 0 },
        elem = this[ 0 ];
  
      // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
      if ( jQuery.css( elem, "position" ) === "fixed" ) {
        // we assume that getBoundingClientRect is available when computed position is fixed
        offset = elem.getBoundingClientRect();
      } else {
        // Get *real* offsetParent
        offsetParent = this.offsetParent();
  
        // Get correct offsets
        offset = this.offset();
        if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
          parentOffset = offsetParent.offset();
        }
  
        // Add offsetParent borders
        parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
        parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
      }
  
      // Subtract parent offsets and 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
      return {
        top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
        left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
      };
    },
  
    offsetParent: function() {
      return this.map(function() {
        var offsetParent = this.offsetParent || document.documentElement;
        while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
          offsetParent = offsetParent.offsetParent;
        }
        return offsetParent || document.documentElement;
      });
    }
  });
  
  
  // 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, extra ) :
  
            // Set width or height on the element
            jQuery.style( elem, type, value, extra );
        }, type, chainable ? margin : undefined, chainable, null );
      };
    });
  });
  // Limit scope pollution from any deprecated API
  // (function() {
  
  // })();
  // 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 );
  