text: /**
   * energize.js v0.1.0
   *
   * Speeds up click events on mobile devices.
   * https://github.com/davidcalhoun/energize.js
   */
  
  
  (function() {  // Sandbox
    /**
     * Don't add to non-touch devices, which don't need to be sped up
     */
    if(!('ontouchstart' in window)) return;
  
    var lastClick = {},
        isThresholdReached, touchstart, touchmove, touchend,
        click, closest;
    
    /**
     * isThresholdReached
     *
     * Compare touchstart with touchend xy coordinates,
     * and only fire simulated click event if the coordinates
     * are nearby. (don't want clicking to be confused with a swipe)
     */
    isThresholdReached = function(startXY, xy) {
      return Math.abs(startXY[0] - xy[0]) > 5 || Math.abs(startXY[1] - xy[1]) > 5;
    };
  
    /**
     * touchstart
     *
     * Save xy coordinates when the user starts touching the screen
     */
    touchstart = function(e) {
      this.startXY = [e.touches[0].clientX, e.touches[0].clientY];
      this.threshold = false;
    };
  
    /**
     * touchmove
     *
     * Check if the user is scrolling past the threshold.
     * Have to check here because touchend will not always fire
     * on some tested devices (Kindle Fire?)
     */
    touchmove = function(e) {
      // NOOP if the threshold has already been reached
      if(this.threshold) return false;
  
      this.threshold = isThresholdReached(this.startXY, [e.touches[0].clientX, e.touches[0].clientY]);
    };
  
    /**
     * touchend
     *
     * If the user didn't scroll past the threshold between
     * touchstart and touchend, fire a simulated click.
     *
     * (This will fire before a native click)
     */
    touchend = function(e) {
      // Don't fire a click if the user scrolled past the threshold
      if(this.threshold || isThresholdReached(this.startXY, [e.changedTouches[0].clientX, e.changedTouches[0].clientY])) {
        return;
      }
      
      /**
       * Create and fire a click event on the target element
       * https://developer.mozilla.org/en/DOM/event.initMouseEvent
       */
      var touch = e.changedTouches[0],
          evt = document.createEvent('MouseEvents');
      evt.initMouseEvent('click', true, true, window, 0, touch.screenX, touch.screenY, touch.clientX, touch.clientY, false, false, false, false, 0, null);
      evt.simulated = true;   // distinguish from a normal (nonsimulated) click
      e.target.dispatchEvent(evt);
    };
    
    /**
     * click
     *
     * Because we've already fired a click event in touchend,
     * we need to listed for all native click events here
     * and suppress them as necessary.
     */  
    click = function(e) {
      /**
       * Prevent ghost clicks by only allowing clicks we created
       * in the click event we fired (look for e.simulated)
       */
      var time = Date.now(),
          timeDiff = time - lastClick.time,
          x = e.clientX,
          y = e.clientY,
          xyDiff = [Math.abs(lastClick.x - x), Math.abs(lastClick.y - y)],
          target = closest(e.target, 'A') || e.target,  // needed for standalone apps
          nodeName = target.nodeName,
          isLink = nodeName === 'A',
          standAlone = window.navigator.standalone && isLink && e.target.getAttribute("href");
      
      lastClick.time = time;
      lastClick.x = x;
      lastClick.y = y;
  
      /**
       * Unfortunately Android sometimes fires click events without touch events (seen on Kindle Fire),
       * so we have to add more logic to determine the time of the last click.  Not perfect...
       *
       * Older, simpler check: if((!e.simulated) || standAlone)
       */
      if((!e.simulated && (timeDiff < 500 || (timeDiff < 1500 && xyDiff[0] < 50 && xyDiff[1] < 50))) || standAlone) {
        e.preventDefault();
        e.stopPropagation();
        if(!standAlone) return false;
      }
  
      /** 
       * Special logic for standalone web apps
       * See http://stackoverflow.com/questions/2898740/iphone-safari-web-app-opens-links-in-new-window
       */
      if(standAlone) {
        window.location = target.getAttribute("href");
      }
  
      /**
       * Add an energize-focus class to the targeted link (mimics :focus behavior)
       * TODO: test and/or remove?  Does this work?
       */
      if(!target || !target.classList) return;
      target.classList.add("energize-focus");
      window.setTimeout(function(){
        target.classList.remove("energize-focus");
      }, 150);
    };
  
    /**
     * closest
     * @param {HTMLElement} node current node to start searching from.
     * @param {string} tagName the (uppercase) name of the tag you're looking for.
     *
     * Find the closest ancestor tag of a given node.
     *
     * Starts at node and goes up the DOM tree looking for a
     * matching nodeName, continuing until hitting document.body
     */
    closest = function(node, tagName){
      var curNode = node;
  
      while(curNode !== document.body) {  // go up the dom until we find the tag we're after
        if(!curNode || curNode.nodeName === tagName) { return curNode; } // found
        curNode = curNode.parentNode;     // not found, so keep going up
      }
      
      return null;  // not found
    };
  
    /**
     * Add all delegated event listeners
     * 
     * All the events we care about bubble up to document,
     * so we can take advantage of event delegation.
     *
     * Note: no need to wait for DOMContentLoaded here
     */
    document.addEventListener('touchstart', touchstart, false);
    document.addEventListener('touchmove', touchmove, false);
    document.addEventListener('touchend', touchend, false);
    document.addEventListener('click', click, true);  // TODO: why does this use capture?
    
  })();
  /*!
   * jQuery JavaScript Library v2.2.0
   * http://jquery.com/
   *
   * Includes Sizzle.js
   * http://sizzlejs.com/
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2016-01-08T20:02Z
   */
  
  
  (function( global, factory ) {
  
    if ( typeof module === "object" && typeof module.exports === "object" ) {
      // For CommonJS and CommonJS-like environments where a proper `window`
      // is present, execute the factory and get jQuery.
      // For environments that do not have a `window` with a `document`
      // (such as Node.js), expose a factory as module.exports.
      // This accentuates the need for the creation of a real `window`.
      // e.g. var jQuery = require("jquery")(window);
      // See ticket #14549 for more info.
      module.exports = global.document ?
        factory( global, true ) :
        function( w ) {
          if ( !w.document ) {
            throw new Error( "jQuery requires a window with a document" );
          }
          return factory( w );
        };
    } else {
      factory( global );
    }
  
  // Pass this if window is not defined yet
  }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  
  // Support: Firefox 18+
  // Can't be in strict mode, several libs including ASP.NET trace
  // the stack via arguments.caller.callee and Firefox dies if
  // you try to trace through "use strict" call chains. (#13335)
  //"use strict";
  var arr = [];
  
  var document = window.document;
  
  var slice = arr.slice;
  
  var concat = arr.concat;
  
  var push = arr.push;
  
  var indexOf = arr.indexOf;
  
  var class2type = {};
  
  var toString = class2type.toString;
  
  var hasOwn = class2type.hasOwnProperty;
  
  var support = {};
  
  
  
  var
    version = "2.2.0",
  
    // Define a local copy of jQuery
    jQuery = function( selector, context ) {
  
      // The jQuery object is actually just the init constructor 'enhanced'
      // Need init if jQuery is called (just allow error to be thrown if not included)
      return new jQuery.fn.init( selector, context );
    },
  
    // Support: Android<4.1
    // Make sure we trim BOM and NBSP
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/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();
    };
  
  jQuery.fn = jQuery.prototype = {
  
    // The current version of jQuery being used
    jquery: version,
  
    constructor: jQuery,
  
    // Start with an empty selector
    selector: "",
  
    // The default length of a jQuery object is 0
    length: 0,
  
    toArray: function() {
      return 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 just the one element from the set
        ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
  
        // Return all the elements in a clean array
        slice.call( this );
    },
  
    // 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.
    each: function( callback ) {
      return jQuery.each( this, callback );
    },
  
    map: function( callback ) {
      return this.pushStack( jQuery.map( this, function( elem, i ) {
        return callback.call( elem, i, elem );
      } ) );
    },
  
    slice: function() {
      return this.pushStack( 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 ] ] : [] );
    },
  
    end: function() {
      return this.prevObject || this.constructor();
    },
  
    // For internal use only.
    // Behaves like an Array's method, not like a jQuery method.
    push: push,
    sort: arr.sort,
    splice: arr.splice
  };
  
  jQuery.extend = jQuery.fn.extend = function() {
    var options, name, src, copy, copyIsArray, clone,
      target = arguments[ 0 ] || {},
      i = 1,
      length = arguments.length,
      deep = false;
  
    // Handle a deep copy situation
    if ( typeof target === "boolean" ) {
      deep = target;
  
      // Skip the boolean and the target
      target = arguments[ i ] || {};
      i++;
    }
  
    // 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 ( i === length ) {
      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( {
  
    // Unique for each copy of jQuery on the page
    expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
  
    // Assume jQuery is ready without the ready module
    isReady: true,
  
    error: function( msg ) {
      throw new Error( msg );
    },
  
    noop: function() {},
  
    isFunction: function( obj ) {
      return jQuery.type( obj ) === "function";
    },
  
    isArray: Array.isArray,
  
    isWindow: function( obj ) {
      return obj != null && obj === obj.window;
    },
  
    isNumeric: function( obj ) {
  
      // parseFloat NaNs numeric-cast false positives (null|true|false|"")
      // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
      // subtraction forces infinities to NaN
      // adding 1 corrects loss of precision from parseFloat (#15100)
      var realStringObj = obj && obj.toString();
      return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
    },
  
    isPlainObject: function( obj ) {
  
      // Not plain objects:
      // - Any object or value whose internal [[Class]] property is not "[object Object]"
      // - DOM nodes
      // - window
      if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
        return false;
      }
  
      if ( obj.constructor &&
          !hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
        return false;
      }
  
      // If the function hasn't returned already, we're confident that
      // |obj| is a plain object, created by {} or constructed with new Object
      return true;
    },
  
    isEmptyObject: function( obj ) {
      var name;
      for ( name in obj ) {
        return false;
      }
      return true;
    },
  
    type: function( obj ) {
      if ( obj == null ) {
        return obj + "";
      }
  
      // Support: Android<4.0, iOS<6 (functionish RegExp)
      return typeof obj === "object" || typeof obj === "function" ?
        class2type[ toString.call( obj ) ] || "object" :
        typeof obj;
    },
  
    // Evaluates a script in a global context
    globalEval: function( code ) {
      var script,
        indirect = eval;
  
      code = jQuery.trim( code );
  
      if ( code ) {
  
        // If the code includes a valid, prologue position
        // strict mode pragma, execute code by injecting a
        // script tag into the document.
        if ( code.indexOf( "use strict" ) === 1 ) {
          script = document.createElement( "script" );
          script.text = code;
          document.head.appendChild( script ).parentNode.removeChild( script );
        } else {
  
          // Otherwise, avoid the DOM node creation, insertion
          // and removal by using an indirect global eval
  
          indirect( code );
        }
      }
    },
  
    // Convert dashed to camelCase; used by the css and data modules
    // Support: IE9-11+
    // 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();
    },
  
    each: function( obj, callback ) {
      var length, i = 0;
  
      if ( isArrayLike( obj ) ) {
        length = obj.length;
        for ( ; i < length; i++ ) {
          if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
            break;
          }
        }
      } else {
        for ( i in obj ) {
          if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
            break;
          }
        }
      }
  
      return obj;
    },
  
    // Support: Android<4.1
    trim: 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 {
          push.call( ret, arr );
        }
      }
  
      return ret;
    },
  
    inArray: function( elem, arr, i ) {
      return arr == null ? -1 : indexOf.call( arr, elem, i );
    },
  
    merge: function( first, second ) {
      var len = +second.length,
        j = 0,
        i = first.length;
  
      for ( ; j < len; j++ ) {
        first[ i++ ] = second[ j ];
      }
  
      first.length = i;
  
      return first;
    },
  
    grep: function( elems, callback, invert ) {
      var callbackInverse,
        matches = [],
        i = 0,
        length = elems.length,
        callbackExpect = !invert;
  
      // Go through the array, only saving the items
      // that pass the validator function
      for ( ; i < length; i++ ) {
        callbackInverse = !callback( elems[ i ], i );
        if ( callbackInverse !== callbackExpect ) {
          matches.push( elems[ i ] );
        }
      }
  
      return matches;
    },
  
    // arg is for internal usage only
    map: function( elems, callback, arg ) {
      var length, value,
        i = 0,
        ret = [];
  
      // Go through the array, translating each of the items to their new values
      if ( isArrayLike( elems ) ) {
        length = elems.length;
        for ( ; i < length; i++ ) {
          value = callback( elems[ i ], i, arg );
  
          if ( value != null ) {
            ret.push( value );
          }
        }
  
      // Go through every key on the object,
      } else {
        for ( i in elems ) {
          value = callback( elems[ i ], i, arg );
  
          if ( value != null ) {
            ret.push( value );
          }
        }
      }
  
      // Flatten any nested arrays
      return concat.apply( [], ret );
    },
  
    // A global GUID counter for objects
    guid: 1,
  
    // Bind a function to a context, optionally partially applying any
    // arguments.
    proxy: function( fn, context ) {
      var tmp, args, proxy;
  
      if ( typeof context === "string" ) {
        tmp = fn[ context ];
        context = fn;
        fn = tmp;
      }
  
      // Quick check to determine if target is callable, in the spec
      // this throws a TypeError, but we will just return undefined.
      if ( !jQuery.isFunction( fn ) ) {
        return undefined;
      }
  
      // Simulated bind
      args = slice.call( arguments, 2 );
      proxy = function() {
        return fn.apply( context || this, args.concat( 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;
    },
  
    now: Date.now,
  
    // jQuery.support is not used in Core but other projects attach their
    // properties to it so it needs to exist.
    support: support
  } );
  
  // JSHint would error on this code due to the Symbol not being defined in ES5.
  // Defining this global in .jshintrc would create a danger of using the global
  // unguarded in another place, it seems safer to just disable JSHint for these
  // three lines.
  /* jshint ignore: start */
  if ( typeof Symbol === "function" ) {
    jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
  }
  /* jshint ignore: end */
  
  // Populate the class2type map
  jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
  function( i, name ) {
    class2type[ "[object " + name + "]" ] = name.toLowerCase();
  } );
  
  function isArrayLike( obj ) {
  
    // Support: iOS 8.2 (not reproducible in simulator)
    // `in` check used to prevent JIT error (gh-2145)
    // hasOwn isn't used here due to false negatives
    // regarding Nodelist length in IE
    var length = !!obj && "length" in obj && obj.length,
      type = jQuery.type( obj );
  
    if ( type === "function" || jQuery.isWindow( obj ) ) {
      return false;
    }
  
    return type === "array" || length === 0 ||
      typeof length === "number" && length > 0 && ( length - 1 ) in obj;
  }
  var Sizzle =
  /*!
   * Sizzle CSS Selector Engine v2.2.1
   * http://sizzlejs.com/
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2015-10-17
   */
  (function( window ) {
  
  var i,
    support,
    Expr,
    getText,
    isXML,
    tokenize,
    compile,
    select,
    outermostContext,
    sortInput,
    hasDuplicate,
  
    // Local document vars
    setDocument,
    document,
    docElem,
    documentIsHTML,
    rbuggyQSA,
    rbuggyMatches,
    matches,
    contains,
  
    // Instance-specific data
    expando = "sizzle" + 1 * new Date(),
    preferredDoc = window.document,
    dirruns = 0,
    done = 0,
    classCache = createCache(),
    tokenCache = createCache(),
    compilerCache = createCache(),
    sortOrder = function( a, b ) {
      if ( a === b ) {
        hasDuplicate = true;
      }
      return 0;
    },
  
    // General-purpose constants
    MAX_NEGATIVE = 1 << 31,
  
    // Instance methods
    hasOwn = ({}).hasOwnProperty,
    arr = [],
    pop = arr.pop,
    push_native = arr.push,
    push = arr.push,
    slice = arr.slice,
    // Use a stripped-down indexOf as it's faster than native
    // http://jsperf.com/thor-indexof-vs-for/5
    indexOf = function( list, elem ) {
      var i = 0,
        len = list.length;
      for ( ; i < len; i++ ) {
        if ( list[i] === elem ) {
          return i;
        }
      }
      return -1;
    },
  
    booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
  
    // Regular expressions
  
    // http://www.w3.org/TR/css3-selectors/#whitespace
    whitespace = "[\\x20\\t\\r\\n\\f]",
  
    // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
    identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
  
    // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
    attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
      // Operator (capture 2)
      "*([*^$|!~]?=)" + whitespace +
      // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
      "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
      "*\\]",
  
    pseudos = ":(" + identifier + ")(?:\\((" +
      // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
      // 1. quoted (capture 3; capture 4 or capture 5)
      "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
      // 2. simple (capture 6)
      "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
      // 3. anything else (capture 2)
      ".*" +
      ")\\)|)",
  
    // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
    rwhitespace = new RegExp( whitespace + "+", "g" ),
    rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
  
    rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
    rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
  
    rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
  
    rpseudo = new RegExp( pseudos ),
    ridentifier = new RegExp( "^" + identifier + "$" ),
  
    matchExpr = {
      "ID": new RegExp( "^#(" + identifier + ")" ),
      "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
      "TAG": new RegExp( "^(" + identifier + "|[*])" ),
      "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" ),
      "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
      // For use in libraries implementing .is()
      // We use this for POS matching in `select`
      "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
        whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
    },
  
    rinputs = /^(?:input|select|textarea|button)$/i,
    rheader = /^h\d$/i,
  
    rnative = /^[^{]+\{\s*\[native \w/,
  
    // Easily-parseable/retrievable ID or TAG or CLASS selectors
    rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
  
    rsibling = /[+~]/,
    rescape = /'|\\/g,
  
    // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
    runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
    funescape = function( _, escaped, escapedWhitespace ) {
      var high = "0x" + escaped - 0x10000;
      // NaN means non-codepoint
      // Support: Firefox<24
      // Workaround erroneous numeric interpretation of +"0x"
      return high !== high || escapedWhitespace ?
        escaped :
        high < 0 ?
          // BMP codepoint
          String.fromCharCode( high + 0x10000 ) :
          // Supplemental Plane codepoint (surrogate pair)
          String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
    },
  
    // Used for iframes
    // See setDocument()
    // Removing the function wrapper causes a "Permission Denied"
    // error in IE
    unloadHandler = function() {
      setDocument();
    };
  
  // Optimize for push.apply( _, NodeList )
  try {
    push.apply(
      (arr = slice.call( preferredDoc.childNodes )),
      preferredDoc.childNodes
    );
    // Support: Android<4.0
    // Detect silently failing push.apply
    arr[ preferredDoc.childNodes.length ].nodeType;
  } catch ( e ) {
    push = { apply: arr.length ?
  
      // Leverage slice if possible
      function( target, els ) {
        push_native.apply( target, slice.call(els) );
      } :
  
      // Support: IE<9
      // Otherwise append directly
      function( target, els ) {
        var j = target.length,
          i = 0;
        // Can't trust NodeList.length
        while ( (target[j++] = els[i++]) ) {}
        target.length = j - 1;
      }
    };
  }
  
  function Sizzle( selector, context, results, seed ) {
    var m, i, elem, nid, nidselect, match, groups, newSelector,
      newContext = context && context.ownerDocument,
  
      // nodeType defaults to 9, since context defaults to document
      nodeType = context ? context.nodeType : 9;
  
    results = results || [];
  
    // Return early from calls with invalid selector or context
    if ( typeof selector !== "string" || !selector ||
      nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
  
      return results;
    }
  
    // Try to shortcut find operations (as opposed to filters) in HTML documents
    if ( !seed ) {
  
      if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
        setDocument( context );
      }
      context = context || document;
  
      if ( documentIsHTML ) {
  
        // If the selector is sufficiently simple, try using a "get*By*" DOM method
        // (excepting DocumentFragment context, where the methods don't exist)
        if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
  
          // ID selector
          if ( (m = match[1]) ) {
  
            // Document context
            if ( nodeType === 9 ) {
              if ( (elem = context.getElementById( m )) ) {
  
                // Support: IE, Opera, Webkit
                // TODO: identify versions
                // getElementById can match elements by name instead of ID
                if ( elem.id === m ) {
                  results.push( elem );
                  return results;
                }
              } else {
                return results;
              }
  
            // Element context
            } else {
  
              // Support: IE, Opera, Webkit
              // TODO: identify versions
              // getElementById can match elements by name instead of ID
              if ( newContext && (elem = newContext.getElementById( m )) &&
                contains( context, elem ) &&
                elem.id === m ) {
  
                results.push( elem );
                return results;
              }
            }
  
          // Type selector
          } else if ( match[2] ) {
            push.apply( results, context.getElementsByTagName( selector ) );
            return results;
  
          // Class selector
          } else if ( (m = match[3]) && support.getElementsByClassName &&
            context.getElementsByClassName ) {
  
            push.apply( results, context.getElementsByClassName( m ) );
            return results;
          }
        }
  
        // Take advantage of querySelectorAll
        if ( support.qsa &&
          !compilerCache[ selector + " " ] &&
          (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
  
          if ( nodeType !== 1 ) {
            newContext = context;
            newSelector = selector;
  
          // qSA looks outside Element context, which is not what we want
          // Thanks to Andrew Dupont for this workaround technique
          // Support: IE <=8
          // Exclude object elements
          } else if ( context.nodeName.toLowerCase() !== "object" ) {
  
            // Capture the context ID, setting it first if necessary
            if ( (nid = context.getAttribute( "id" )) ) {
              nid = nid.replace( rescape, "\\$&" );
            } else {
              context.setAttribute( "id", (nid = expando) );
            }
  
            // Prefix every selector in the list
            groups = tokenize( selector );
            i = groups.length;
            nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']";
            while ( i-- ) {
              groups[i] = nidselect + " " + toSelector( groups[i] );
            }
            newSelector = groups.join( "," );
  
            // Expand context for sibling selectors
            newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
              context;
          }
  
          if ( newSelector ) {
            try {
              push.apply( results,
                newContext.querySelectorAll( newSelector )
              );
              return results;
            } catch ( qsaError ) {
            } finally {
              if ( nid === expando ) {
                context.removeAttribute( "id" );
              }
            }
          }
        }
      }
    }
  
    // All others
    return select( selector.replace( rtrim, "$1" ), context, results, seed );
  }
  
  /**
   * 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 keys = [];
  
    function cache( 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);
    }
    return cache;
  }
  
  /**
   * 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 {
      // Remove from its parent by default
      if ( div.parentNode ) {
        div.parentNode.removeChild( div );
      }
      // release memory in IE
      div = null;
    }
  }
  
  /**
   * Adds the same handler for all of the specified attrs
   * @param {String} attrs Pipe-separated list of attributes
   * @param {Function} handler The method that will be applied
   */
  function addHandle( attrs, handler ) {
    var arr = attrs.split("|"),
      i = arr.length;
  
    while ( i-- ) {
      Expr.attrHandle[ arr[i] ] = handler;
    }
  }
  
  /**
   * Checks document order of two siblings
   * @param {Element} a
   * @param {Element} b
   * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
   */
  function siblingCheck( a, b ) {
    var cur = b && a,
      diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
        ( ~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
   * @param {String} type
   */
  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
   * @param {String} type
   */
  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
   * @param {Function} fn
   */
  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]);
          }
        }
      });
    });
  }
  
  /**
   * Checks a node for validity as a Sizzle context
   * @param {Element|Object=} context
   * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
   */
  function testContext( context ) {
    return context && typeof context.getElementsByTagName !== "undefined" && context;
  }
  
  // Expose support vars for convenience
  support = Sizzle.support = {};
  
  /**
   * Detects XML nodes
   * @param {Element|Object} elem An element or a document
   * @returns {Boolean} True iff elem is a non-HTML XML node
   */
  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 hasCompare, parent,
      doc = node ? node.ownerDocument || node : preferredDoc;
  
    // Return early if doc is invalid or already selected
    if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
      return document;
    }
  
    // Update global variables
    document = doc;
    docElem = document.documentElement;
    documentIsHTML = !isXML( document );
  
    // Support: IE 9-11, Edge
    // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
    if ( (parent = document.defaultView) && parent.top !== parent ) {
      // Support: IE 11
      if ( parent.addEventListener ) {
        parent.addEventListener( "unload", unloadHandler, false );
  
      // Support: IE 9 - 10 only
      } else if ( parent.attachEvent ) {
        parent.attachEvent( "onunload", unloadHandler );
      }
    }
  
    /* Attributes
    ---------------------------------------------------------------------- */
  
    // Support: IE<8
    // Verify that getAttribute really returns attributes and not properties
    // (excepting IE8 booleans)
    support.attributes = assert(function( div ) {
      div.className = "i";
      return !div.getAttribute("className");
    });
  
    /* getElement(s)By*
    ---------------------------------------------------------------------- */
  
    // Check if getElementsByTagName("*") returns only elements
    support.getElementsByTagName = assert(function( div ) {
      div.appendChild( document.createComment("") );
      return !div.getElementsByTagName("*").length;
    });
  
    // Support: IE<9
    support.getElementsByClassName = rnative.test( document.getElementsByClassName );
  
    // Support: IE<10
    // Check if getElementById returns elements by name
    // The broken getElementById methods don't pick up programatically-set names,
    // so use a roundabout getElementsByName test
    support.getById = assert(function( div ) {
      docElem.appendChild( div ).id = expando;
      return !document.getElementsByName || !document.getElementsByName( expando ).length;
    });
  
    // ID find and filter
    if ( support.getById ) {
      Expr.find["ID"] = function( id, context ) {
        if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
          var m = context.getElementById( id );
          return m ? [ m ] : [];
        }
      };
      Expr.filter["ID"] = function( id ) {
        var attrId = id.replace( runescape, funescape );
        return function( elem ) {
          return elem.getAttribute("id") === attrId;
        };
      };
    } else {
      // Support: IE6/7
      // getElementById is not reliable as a find shortcut
      delete Expr.find["ID"];
  
      Expr.filter["ID"] =  function( id ) {
        var attrId = id.replace( runescape, funescape );
        return function( elem ) {
          var node = typeof elem.getAttributeNode !== "undefined" &&
            elem.getAttributeNode("id");
          return node && node.value === attrId;
        };
      };
    }
  
    // Tag
    Expr.find["TAG"] = support.getElementsByTagName ?
      function( tag, context ) {
        if ( typeof context.getElementsByTagName !== "undefined" ) {
          return context.getElementsByTagName( tag );
  
        // DocumentFragment nodes don't have gEBTN
        } else if ( support.qsa ) {
          return context.querySelectorAll( tag );
        }
      } :
  
      function( tag, context ) {
        var elem,
          tmp = [],
          i = 0,
          // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
          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;
      };
  
    // Class
    Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
      if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
        return context.getElementsByClassName( className );
      }
    };
  
    /* QSA/matchesSelector
    ---------------------------------------------------------------------- */
  
    // QSA and matchesSelector support
  
    // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
    rbuggyMatches = [];
  
    // qSa(:focus) reports false when true (Chrome 21)
    // We allow this because of a bug in IE8/9 that throws an error
    // whenever `document.activeElement` is accessed on an iframe
    // So, we allow :focus to pass through QSA all the time to avoid the IE error
    // See http://bugs.jquery.com/ticket/13378
    rbuggyQSA = [];
  
    if ( (support.qsa = rnative.test( document.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
        docElem.appendChild( div ).innerHTML = "<a id='" + expando + "'></a>" +
          "<select id='" + expando + "-\r\\' msallowcapture=''>" +
          "<option selected=''></option></select>";
  
        // Support: IE8, Opera 11-12.16
        // Nothing should be selected when empty strings follow ^= or $= or *=
        // The test attribute must be unknown in Opera but "safe" for WinRT
        // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
        if ( div.querySelectorAll("[msallowcapture^='']").length ) {
          rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
        }
  
        // Support: IE8
        // Boolean attributes and "value" are not treated correctly
        if ( !div.querySelectorAll("[selected]").length ) {
          rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
        }
  
        // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
        if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
          rbuggyQSA.push("~=");
        }
  
        // 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");
        }
  
        // Support: Safari 8+, iOS 8+
        // https://bugs.webkit.org/show_bug.cgi?id=136851
        // In-page `selector#id sibing-combinator selector` fails
        if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
          rbuggyQSA.push(".#.+[+~]");
        }
      });
  
      assert(function( div ) {
        // Support: Windows 8 Native Apps
        // The type and name attributes are restricted during .innerHTML assignment
        var input = document.createElement("input");
        input.setAttribute( "type", "hidden" );
        div.appendChild( input ).setAttribute( "name", "D" );
  
        // Support: IE8
        // Enforce case-sensitivity of name attribute
        if ( div.querySelectorAll("[name=d]").length ) {
          rbuggyQSA.push( "name" + 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 = rnative.test( (matches = docElem.matches ||
      docElem.webkitMatchesSelector ||
      docElem.mozMatchesSelector ||
      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 = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
    rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
  
    /* Contains
    ---------------------------------------------------------------------- */
    hasCompare = rnative.test( docElem.compareDocumentPosition );
  
    // Element contains another
    // Purposefully self-exclusive
    // As in, an element does not contain itself
    contains = hasCompare || rnative.test( docElem.contains ) ?
      function( a, b ) {
        var adown = a.nodeType === 9 ? a.documentElement : a,
          bup = b && b.parentNode;
        return a === bup || !!( bup && bup.nodeType === 1 && (
          adown.contains ?
            adown.contains( bup ) :
            a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
        ));
      } :
      function( a, b ) {
        if ( b ) {
          while ( (b = b.parentNode) ) {
            if ( b === a ) {
              return true;
            }
          }
        }
        return false;
      };
  
    /* Sorting
    ---------------------------------------------------------------------- */
  
    // Document order sorting
    sortOrder = hasCompare ?
    function( a, b ) {
  
      // Flag for duplicate removal
      if ( a === b ) {
        hasDuplicate = true;
        return 0;
      }
  
      // Sort on method existence if only one input has compareDocumentPosition
      var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
      if ( compare ) {
        return compare;
      }
  
      // Calculate position if both inputs belong to the same document
      compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
        a.compareDocumentPosition( b ) :
  
        // Otherwise we know they are disconnected
        1;
  
      // Disconnected nodes
      if ( compare & 1 ||
        (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
  
        // Choose the first element that is related to our preferred document
        if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
          return -1;
        }
        if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
          return 1;
        }
  
        // Maintain original order
        return sortInput ?
          ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
          0;
      }
  
      return compare & 4 ? -1 : 1;
    } :
    function( a, b ) {
      // Exit early if the nodes are identical
      if ( a === b ) {
        hasDuplicate = true;
        return 0;
      }
  
      var cur,
        i = 0,
        aup = a.parentNode,
        bup = b.parentNode,
        ap = [ a ],
        bp = [ b ];
  
      // Parentless nodes are either documents or disconnected
      if ( !aup || !bup ) {
        return a === document ? -1 :
          b === document ? 1 :
          aup ? -1 :
          bup ? 1 :
          sortInput ?
          ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
          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;
    };
  
    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']" );
  
    if ( support.matchesSelector && documentIsHTML &&
      !compilerCache[ expr + " " ] &&
      ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
      ( !rbuggyQSA     || !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 ) {
    // Set document vars if needed
    if ( ( elem.ownerDocument || elem ) !== document ) {
      setDocument( elem );
    }
  
    var fn = Expr.attrHandle[ name.toLowerCase() ],
      // Don't get fooled by Object.prototype properties (jQuery #13807)
      val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
        fn( elem, name, !documentIsHTML ) :
        undefined;
  
    return val !== undefined ?
      val :
      support.attributes || !documentIsHTML ?
        elem.getAttribute( name ) :
        (val = elem.getAttributeNode(name)) && val.specified ?
          val.value :
          null;
  };
  
  Sizzle.error = function( msg ) {
    throw new Error( "Syntax error, unrecognized expression: " + msg );
  };
  
  /**
   * Document sorting and removing duplicates
   * @param {ArrayLike} results
   */
  Sizzle.uniqueSort = function( results ) {
    var elem,
      duplicates = [],
      j = 0,
      i = 0;
  
    // Unless we *know* we can detect duplicates, assume their presence
    hasDuplicate = !support.detectDuplicates;
    sortInput = !support.sortStable && results.slice( 0 );
    results.sort( sortOrder );
  
    if ( hasDuplicate ) {
      while ( (elem = results[i++]) ) {
        if ( elem === results[ i ] ) {
          j = duplicates.push( i );
        }
      }
      while ( j-- ) {
        results.splice( duplicates[ j ], 1 );
      }
    }
  
    // Clear input after sorting to release objects
    // See https://github.com/jquery/sizzle/pull/225
    sortInput = null;
  
    return results;
  };
  
  /**
   * 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
      while ( (node = elem[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 (jQuery #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,
  
    attrHandle: {},
  
    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[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[6] && match[2];
  
        if ( matchExpr["CHILD"].test( match[0] ) ) {
          return null;
        }
  
        // Accept quoted arguments as-is
        if ( match[3] ) {
          match[2] = match[4] || match[5] || "";
  
        // 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( nodeNameSelector ) {
        var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
        return nodeNameSelector === "*" ?
          function() { return true; } :
          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( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && 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.replace( rwhitespace, " " ) + " " ).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, uniqueCache, outerCache, node, nodeIndex, start,
              dir = simple !== forward ? "nextSibling" : "previousSibling",
              parent = elem.parentNode,
              name = ofType && elem.nodeName.toLowerCase(),
              useCache = !xml && !ofType,
              diff = false;
  
            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
  
                // ...in a gzip-friendly way
                node = parent;
                outerCache = node[ expando ] || (node[ expando ] = {});
  
                // Support: IE <9 only
                // Defend against cloned attroperties (jQuery gh-1709)
                uniqueCache = outerCache[ node.uniqueID ] ||
                  (outerCache[ node.uniqueID ] = {});
  
                cache = uniqueCache[ type ] || [];
                nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
                diff = nodeIndex && 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 ) {
                    uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
                    break;
                  }
                }
  
              } else {
                // Use previously-cached element index if available
                if ( useCache ) {
                  // ...in a gzip-friendly way
                  node = elem;
                  outerCache = node[ expando ] || (node[ expando ] = {});
  
                  // Support: IE <9 only
                  // Defend against cloned attroperties (jQuery gh-1709)
                  uniqueCache = outerCache[ node.uniqueID ] ||
                    (outerCache[ node.uniqueID ] = {});
  
                  cache = uniqueCache[ type ] || [];
                  nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
                  diff = nodeIndex;
                }
  
                // xml :nth-child(...)
                // or :nth-last-child(...) or :nth(-last)?-of-type(...)
                if ( diff === false ) {
                  // 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 ) {
                        outerCache = node[ expando ] || (node[ expando ] = {});
  
                        // Support: IE <9 only
                        // Defend against cloned attroperties (jQuery gh-1709)
                        uniqueCache = outerCache[ node.uniqueID ] ||
                          (outerCache[ node.uniqueID ] = {});
  
                        uniqueCache[ 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( 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 );
            // Don't keep the element (issue #299)
            input[0] = null;
            return !results.pop();
          };
      }),
  
      "has": markFunction(function( selector ) {
        return function( elem ) {
          return Sizzle( selector, elem ).length > 0;
        };
      }),
  
      "contains": markFunction(function( text ) {
        text = text.replace( runescape, funescape );
        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 identifier
        if ( !ridentifier.test(lang || "") ) {
          Sizzle.error( "unsupported lang: " + lang );
        }
        lang = lang.replace( runescape, funescape ).toLowerCase();
        return function( elem ) {
          var elemLang;
          do {
            if ( (elemLang = documentIsHTML ?
              elem.lang :
              elem.getAttribute("xml:lang") || elem.getAttribute("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 negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
        //   but not by others (comment: 8; processing instruction: 7; etc.)
        // nodeType < 6 works because attributes (2) do not appear as children
        for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
          if ( elem.nodeType < 6 ) {
            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;
        return elem.nodeName.toLowerCase() === "input" &&
          elem.type === "text" &&
  
          // Support: IE<8
          // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
          ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
      },
  
      // 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;
      })
    }
  };
  
  Expr.pseudos["nth"] = Expr.pseudos["eq"];
  
  // 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 );
  }
  
  // Easy API for creating new setFilters
  function setFilters() {}
  setFilters.prototype = Expr.filters = Expr.pseudos;
  Expr.setFilters = new setFilters();
  
  tokenize = Sizzle.tokenize = function( 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 oldCache, uniqueCache, outerCache,
          newCache = [ dirruns, doneName ];
  
        // We can't set arbitrary data on XML nodes, so they don't benefit from combinator 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 ] = {});
  
              // Support: IE <9 only
              // Defend against cloned attroperties (jQuery gh-1709)
              uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
  
              if ( (oldCache = uniqueCache[ dir ]) &&
                oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
  
                // Assign to newCache so results back-propagate to previous elements
                return (newCache[ 2 ] = oldCache[ 2 ]);
              } else {
                // Reuse newcache so results back-propagate to previous elements
                uniqueCache[ dir ] = newCache;
  
                // A match means we're done; a fail means we have to keep checking
                if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
                  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 multipleContexts( selector, contexts, results ) {
    var i = 0,
      len = contexts.length;
    for ( ; i < len; i++ ) {
      Sizzle( selector, contexts[i], results );
    }
    return results;
  }
  
  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( 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( checkContext, elem ) > -1;
      }, implicitRelative, true ),
      matchers = [ function( elem, context, xml ) {
        var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
          (checkContext = context).nodeType ?
            matchContext( elem, context, xml ) :
            matchAnyContext( elem, context, xml ) );
        // Avoid hanging onto element (issue #299)
        checkContext = null;
        return ret;
      } ];
  
    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(
              // If the preceding token was a descendant combinator, insert an implicit any-element `*`
              tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
            ).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 ) {
    var bySet = setMatchers.length > 0,
      byElement = elementMatchers.length > 0,
      superMatcher = function( seed, context, xml, results, outermost ) {
        var elem, j, matcher,
          matchedCount = 0,
          i = "0",
          unmatched = seed && [],
          setMatched = [],
          contextBackup = outermostContext,
          // We must always have either seed elements or outermost context
          elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
          // Use integer dirruns iff this is the outermost matcher
          dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
          len = elems.length;
  
        if ( outermost ) {
          outermostContext = context === document || context || outermost;
        }
  
        // Add elements passing elementMatchers directly to results
        // Support: IE<9, Safari
        // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
        for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
          if ( byElement && elem ) {
            j = 0;
            if ( !context && elem.ownerDocument !== document ) {
              setDocument( elem );
              xml = !documentIsHTML;
            }
            while ( (matcher = elementMatchers[j++]) ) {
              if ( matcher( elem, context || document, xml) ) {
                results.push( elem );
                break;
              }
            }
            if ( outermost ) {
              dirruns = dirrunsUnique;
            }
          }
  
          // 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 );
            }
          }
        }
  
        // `i` is now the count of elements visited above, and adding it to `matchedCount`
        // makes the latter nonnegative.
        matchedCount += i;
  
        // Apply set filters to unmatched elements
        // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
        // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
        // no element matchers and no seed.
        // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
        // case, which will result in a "00" `matchedCount` that differs from `i` but is also
        // numerically zero.
        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, match /* 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 ( !match ) {
        match = tokenize( selector );
      }
      i = match.length;
      while ( i-- ) {
        cached = matcherFromTokens( match[i] );
        if ( cached[ expando ] ) {
          setMatchers.push( cached );
        } else {
          elementMatchers.push( cached );
        }
      }
  
      // Cache the compiled function
      cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
  
      // Save selector and tokenization
      cached.selector = selector;
    }
    return cached;
  };
  
  /**
   * A low-level selection function that works with Sizzle's compiled
   *  selector functions
   * @param {String|Function} selector A selector or a pre-compiled
   *  selector function built with Sizzle.compile
   * @param {Element} context
   * @param {Array} [results]
   * @param {Array} [seed] A set of elements to match against
   */
  select = Sizzle.select = function( selector, context, results, seed ) {
    var i, tokens, token, type, find,
      compiled = typeof selector === "function" && selector,
      match = !seed && tokenize( (selector = compiled.selector || selector) );
  
    results = results || [];
  
    // Try to minimize operations if there is only one selector in the list and no seed
    // (the latter of which guarantees us context)
    if ( match.length === 1 ) {
  
      // Reduce context if the leading compound selector is an ID
      tokens = match[0] = match[0].slice( 0 );
      if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
          support.getById && context.nodeType === 9 && documentIsHTML &&
          Expr.relative[ tokens[1].type ] ) {
  
        context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
        if ( !context ) {
          return results;
  
        // Precompiled matchers will still verify ancestry, so step up a level
        } else if ( compiled ) {
          context = context.parentNode;
        }
  
        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 ) && testContext( 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, seed );
              return results;
            }
  
            break;
          }
        }
      }
    }
  
    // Compile and execute a filtering function if one is not provided
    // Provide `match` to avoid retokenization if we modified the selector above
    ( compiled || compile( selector, match ) )(
      seed,
      context,
      !documentIsHTML,
      results,
      !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
    );
    return results;
  };
  
  // One-time assignments
  
  // Sort stability
  support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
  
  // Support: Chrome 14-35+
  // Always assume duplicates if they aren't passed to the comparison function
  support.detectDuplicates = !!hasDuplicate;
  
  // Initialize against the default document
  setDocument();
  
  // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
  // Detached nodes confoundingly follow *each other*
  support.sortDetached = assert(function( div1 ) {
    // Should return 1, but returns 4 (following)
    return div1.compareDocumentPosition( document.createElement("div") ) & 1;
  });
  
  // Support: IE<8
  // Prevent attribute/property "interpolation"
  // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  if ( !assert(function( div ) {
    div.innerHTML = "<a href='#'></a>";
    return div.firstChild.getAttribute("href") === "#" ;
  }) ) {
    addHandle( "type|href|height|width", function( elem, name, isXML ) {
      if ( !isXML ) {
        return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
      }
    });
  }
  
  // Support: IE<9
  // Use defaultValue in place of getAttribute("value")
  if ( !support.attributes || !assert(function( div ) {
    div.innerHTML = "<input/>";
    div.firstChild.setAttribute( "value", "" );
    return div.firstChild.getAttribute( "value" ) === "";
  }) ) {
    addHandle( "value", function( elem, name, isXML ) {
      if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
        return elem.defaultValue;
      }
    });
  }
  
  // Support: IE<9
  // Use getAttributeNode to fetch booleans when getAttribute lies
  if ( !assert(function( div ) {
    return div.getAttribute("disabled") == null;
  }) ) {
    addHandle( booleans, function( elem, name, isXML ) {
      var val;
      if ( !isXML ) {
        return elem[ name ] === true ? name.toLowerCase() :
            (val = elem.getAttributeNode( name )) && val.specified ?
            val.value :
          null;
      }
    });
  }
  
  return Sizzle;
  
  })( window );
  
  
  
  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;
  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  
  
  
  var dir = function( elem, dir, until ) {
    var matched = [],
      truncate = until !== undefined;
  
    while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
      if ( elem.nodeType === 1 ) {
        if ( truncate && jQuery( elem ).is( until ) ) {
          break;
        }
        matched.push( elem );
      }
    }
    return matched;
  };
  
  
  var siblings = function( n, elem ) {
    var matched = [];
  
    for ( ; n; n = n.nextSibling ) {
      if ( n.nodeType === 1 && n !== elem ) {
        matched.push( n );
      }
    }
  
    return matched;
  };
  
  
  var rneedsContext = jQuery.expr.match.needsContext;
  
  var rsingleTag = ( /^<([\w-]+)\s*\/?>(?:<\/\1>|)$/ );
  
  
  
  var risSimple = /^.[^:#\[\.,]*$/;
  
  // Implement the identical functionality for filter and not
  function winnow( elements, qualifier, not ) {
    if ( jQuery.isFunction( qualifier ) ) {
      return jQuery.grep( elements, function( elem, i ) {
        /* jshint -W018 */
        return !!qualifier.call( elem, i, elem ) !== not;
      } );
  
    }
  
    if ( qualifier.nodeType ) {
      return jQuery.grep( elements, function( elem ) {
        return ( elem === qualifier ) !== not;
      } );
  
    }
  
    if ( typeof qualifier === "string" ) {
      if ( risSimple.test( qualifier ) ) {
        return jQuery.filter( qualifier, elements, not );
      }
  
      qualifier = jQuery.filter( qualifier, elements );
    }
  
    return jQuery.grep( elements, function( elem ) {
      return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
    } );
  }
  
  jQuery.filter = function( expr, elems, not ) {
    var elem = elems[ 0 ];
  
    if ( not ) {
      expr = ":not(" + expr + ")";
    }
  
    return elems.length === 1 && elem.nodeType === 1 ?
      jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
      jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
        return elem.nodeType === 1;
      } ) );
  };
  
  jQuery.fn.extend( {
    find: function( selector ) {
      var i,
        len = this.length,
        ret = [],
        self = this;
  
      if ( typeof selector !== "string" ) {
        return this.pushStack( jQuery( selector ).filter( function() {
          for ( i = 0; i < len; i++ ) {
            if ( jQuery.contains( self[ i ], this ) ) {
              return true;
            }
          }
        } ) );
      }
  
      for ( i = 0; i < len; i++ ) {
        jQuery.find( selector, self[ 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 : selector;
      return ret;
    },
    filter: function( selector ) {
      return this.pushStack( winnow( this, selector || [], false ) );
    },
    not: function( selector ) {
      return this.pushStack( winnow( this, selector || [], true ) );
    },
    is: function( selector ) {
      return !!winnow(
        this,
  
        // 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".
        typeof selector === "string" && rneedsContext.test( selector ) ?
          jQuery( selector ) :
          selector || [],
        false
      ).length;
    }
  } );
  
  
  // Initialize a jQuery object
  
  
  // A central reference to the root jQuery(document)
  var rootjQuery,
  
    // 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 = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
  
    init = jQuery.fn.init = function( selector, context, root ) {
      var match, elem;
  
      // HANDLE: $(""), $(null), $(undefined), $(false)
      if ( !selector ) {
        return this;
      }
  
      // Method init() accepts an alternate rootjQuery
      // so migrate can support jQuery.sub (gh-2101)
      root = root || rootjQuery;
  
      // Handle HTML strings
      if ( typeof selector === "string" ) {
        if ( selector[ 0 ] === "<" &&
          selector[ 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;
  
            // Option to run scripts is true for back-compat
            // Intentionally let the error be thrown if parseHTML is not present
            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 ] );
  
            // Support: Blackberry 4.6
            // gEBID returns nodes no longer in the document (#6963)
            if ( elem && elem.parentNode ) {
  
              // 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 || root ).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 root.ready !== undefined ?
          root.ready( selector ) :
  
          // Execute immediately if ready is not present
          selector( jQuery );
      }
  
      if ( selector.selector !== undefined ) {
        this.selector = selector.selector;
        this.context = selector.context;
      }
  
      return jQuery.makeArray( selector, this );
    };
  
  // Give the init function the jQuery prototype for later instantiation
  init.prototype = jQuery.fn;
  
  // Initialize central reference
  rootjQuery = jQuery( document );
  
  
  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
  
    // 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( {
    has: function( target ) {
      var targets = jQuery( target, this ),
        l = targets.length;
  
      return this.filter( function() {
        var i = 0;
        for ( ; i < l; i++ ) {
          if ( jQuery.contains( this, targets[ i ] ) ) {
            return true;
          }
        }
      } );
    },
  
    closest: function( selectors, context ) {
      var cur,
        i = 0,
        l = this.length,
        matched = [],
        pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
          jQuery( selectors, context || this.context ) :
          0;
  
      for ( ; i < l; i++ ) {
        for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
  
          // Always skip document fragments
          if ( cur.nodeType < 11 && ( pos ?
            pos.index( cur ) > -1 :
  
            // Don't pass non-elements to Sizzle
            cur.nodeType === 1 &&
              jQuery.find.matchesSelector( cur, selectors ) ) ) {
  
            matched.push( cur );
            break;
          }
        }
      }
  
      return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
    },
  
    // Determine the position of an element within the set
    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 indexOf.call( jQuery( elem ), this[ 0 ] );
      }
  
      // Locate the position of the desired element
      return indexOf.call( this,
  
        // If it receives a jQuery object, the first element is used
        elem.jquery ? elem[ 0 ] : elem
      );
    },
  
    add: function( selector, context ) {
      return this.pushStack(
        jQuery.uniqueSort(
          jQuery.merge( this.get(), jQuery( selector, context ) )
        )
      );
    },
  
    addBack: function( selector ) {
      return this.add( selector == null ?
        this.prevObject : this.prevObject.filter( selector )
      );
    }
  } );
  
  function sibling( cur, dir ) {
    while ( ( cur = cur[ dir ] ) && 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 dir( elem, "parentNode" );
    },
    parentsUntil: function( elem, i, until ) {
      return dir( elem, "parentNode", until );
    },
    next: function( elem ) {
      return sibling( elem, "nextSibling" );
    },
    prev: function( elem ) {
      return sibling( elem, "previousSibling" );
    },
    nextAll: function( elem ) {
      return dir( elem, "nextSibling" );
    },
    prevAll: function( elem ) {
      return dir( elem, "previousSibling" );
    },
    nextUntil: function( elem, i, until ) {
      return dir( elem, "nextSibling", until );
    },
    prevUntil: function( elem, i, until ) {
      return dir( elem, "previousSibling", until );
    },
    siblings: function( elem ) {
      return siblings( ( elem.parentNode || {} ).firstChild, elem );
    },
    children: function( elem ) {
      return siblings( elem.firstChild );
    },
    contents: function( elem ) {
      return elem.contentDocument || jQuery.merge( [], elem.childNodes );
    }
  }, function( name, fn ) {
    jQuery.fn[ name ] = function( until, selector ) {
      var matched = jQuery.map( this, fn, until );
  
      if ( name.slice( -5 ) !== "Until" ) {
        selector = until;
      }
  
      if ( selector && typeof selector === "string" ) {
        matched = jQuery.filter( selector, matched );
      }
  
      if ( this.length > 1 ) {
  
        // Remove duplicates
        if ( !guaranteedUnique[ name ] ) {
          jQuery.uniqueSort( matched );
        }
  
        // Reverse order for parents* and prev-derivatives
        if ( rparentsprev.test( name ) ) {
          matched.reverse();
        }
      }
  
      return this.pushStack( matched );
    };
  } );
  var rnotwhite = ( /\S+/g );
  
  
  
  // Convert String-formatted options into Object-formatted ones
  function createOptions( options ) {
    var object = {};
    jQuery.each( options.match( 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" ?
      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,
  
      // Flag to prevent firing
      locked,
  
      // Actual callback list
      list = [],
  
      // Queue of execution data for repeatable lists
      queue = [],
  
      // Index of currently firing callback (modified by add/remove as needed)
      firingIndex = -1,
  
      // Fire callbacks
      fire = function() {
  
        // Enforce single-firing
        locked = options.once;
  
        // Execute callbacks for all pending executions,
        // respecting firingIndex overrides and runtime changes
        fired = firing = true;
        for ( ; queue.length; firingIndex = -1 ) {
          memory = queue.shift();
          while ( ++firingIndex < list.length ) {
  
            // Run callback and check for early termination
            if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
              options.stopOnFalse ) {
  
              // Jump to end and forget the data so .add doesn't re-fire
              firingIndex = list.length;
              memory = false;
            }
          }
        }
  
        // Forget the data if we're done with it
        if ( !options.memory ) {
          memory = false;
        }
  
        firing = false;
  
        // Clean up if we're done firing for good
        if ( locked ) {
  
          // Keep an empty list if we have data for future add calls
          if ( memory ) {
            list = [];
  
          // Otherwise, this object is spent
          } else {
            list = "";
          }
        }
      },
  
      // Actual Callbacks object
      self = {
  
        // Add a callback or a collection of callbacks to the list
        add: function() {
          if ( list ) {
  
            // If we have memory from a past run, we should fire after adding
            if ( memory && !firing ) {
              firingIndex = list.length - 1;
              queue.push( memory );
            }
  
            ( function add( args ) {
              jQuery.each( args, function( _, arg ) {
                if ( jQuery.isFunction( arg ) ) {
                  if ( !options.unique || !self.has( arg ) ) {
                    list.push( arg );
                  }
                } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
  
                  // Inspect recursively
                  add( arg );
                }
              } );
            } )( arguments );
  
            if ( memory && !firing ) {
              fire();
            }
          }
          return this;
        },
  
        // Remove a callback from the list
        remove: function() {
          jQuery.each( arguments, function( _, arg ) {
            var index;
            while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
              list.splice( index, 1 );
  
              // Handle firing indexes
              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.length > 0;
        },
  
        // Remove all callbacks from the list
        empty: function() {
          if ( list ) {
            list = [];
          }
          return this;
        },
  
        // Disable .fire and .add
        // Abort any current/pending executions
        // Clear all callbacks and values
        disable: function() {
          locked = queue = [];
          list = memory = "";
          return this;
        },
        disabled: function() {
          return !list;
        },
  
        // Disable .fire
        // Also disable .add unless we have memory (since it would have no effect)
        // Abort any pending executions
        lock: function() {
          locked = queue = [];
          if ( !memory ) {
            list = memory = "";
          }
          return this;
        },
        locked: function() {
          return !!locked;
        },
  
        // Call all callbacks with the given context and arguments
        fireWith: function( context, args ) {
          if ( !locked ) {
            args = args || [];
            args = [ context, args.slice ? args.slice() : args ];
            queue.push( args );
            if ( !firing ) {
              fire();
            }
          }
          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 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()
                      .progress( newDefer.notify )
                      .done( newDefer.resolve )
                      .fail( newDefer.reject );
                  } else {
                    newDefer[ tuple[ 0 ] + "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 = 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 ? 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()
              .progress( updateFunc( i, progressContexts, progressValues ) )
              .done( updateFunc( i, resolveContexts, resolveValues ) )
              .fail( deferred.reject );
          } else {
            --remaining;
          }
        }
      }
  
      // If we're not waiting on anything, resolve the master
      if ( !remaining ) {
        deferred.resolveWith( resolveContexts, resolveValues );
      }
  
      return deferred.promise();
    }
  } );
  
  
  // The deferred used on DOM ready
  var readyList;
  
  jQuery.fn.ready = function( fn ) {
  
    // Add the callback
    jQuery.ready.promise().done( fn );
  
    return this;
  };
  
  jQuery.extend( {
  
    // 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;
      }
  
      // 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.triggerHandler ) {
        jQuery( document ).triggerHandler( "ready" );
        jQuery( document ).off( "ready" );
      }
    }
  } );
  
  /**
   * The ready event handler and self cleanup method
   */
  function completed() {
    document.removeEventListener( "DOMContentLoaded", completed );
    window.removeEventListener( "load", completed );
    jQuery.ready();
  }
  
  jQuery.ready.promise = function( obj ) {
    if ( !readyList ) {
  
      readyList = jQuery.Deferred();
  
      // Catch cases where $(document).ready() is called
      // after the browser event has already occurred.
      // Support: IE9-10 only
      // Older IE sometimes signals "interactive" too soon
      if ( document.readyState === "complete" ||
        ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
  
        // Handle it asynchronously to allow scripts the opportunity to delay ready
        window.setTimeout( jQuery.ready );
  
      } else {
  
        // Use the handy event callback
        document.addEventListener( "DOMContentLoaded", completed );
  
        // A fallback to window.onload, that will always work
        window.addEventListener( "load", completed );
      }
    }
    return readyList.promise( obj );
  };
  
  // Kick off the DOM ready check even if the user does not
  jQuery.ready.promise();
  
  
  
  
  // Multifunctional method to get and set values of a collection
  // The value/s can optionally be executed if it's a function
  var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
    var i = 0,
      len = elems.length,
      bulk = key == null;
  
    // Sets many values
    if ( jQuery.type( key ) === "object" ) {
      chainable = true;
      for ( i in key ) {
        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 < len; i++ ) {
          fn(
            elems[ i ], key, raw ?
            value :
            value.call( elems[ i ], i, fn( elems[ i ], key ) )
          );
        }
      }
    }
  
    return chainable ?
      elems :
  
      // Gets
      bulk ?
        fn.call( elems ) :
        len ? fn( elems[ 0 ], key ) : emptyGet;
  };
  var acceptData = function( owner ) {
  
    // Accepts only:
    //  - Node
    //    - Node.ELEMENT_NODE
    //    - Node.DOCUMENT_NODE
    //  - Object
    //    - Any
    /* jshint -W018 */
    return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
  };
  
  
  
  
  function Data() {
    this.expando = jQuery.expando + Data.uid++;
  }
  
  Data.uid = 1;
  
  Data.prototype = {
  
    register: function( owner, initial ) {
      var value = initial || {};
  
      // If it is a node unlikely to be stringify-ed or looped over
      // use plain assignment
      if ( owner.nodeType ) {
        owner[ this.expando ] = value;
  
      // Otherwise secure it in a non-enumerable, non-writable property
      // configurability must be true to allow the property to be
      // deleted with the delete operator
      } else {
        Object.defineProperty( owner, this.expando, {
          value: value,
          writable: true,
          configurable: true
        } );
      }
      return owner[ this.expando ];
    },
    cache: function( owner ) {
  
      // We can accept data for non-element nodes in modern browsers,
      // but we should not, see #8335.
      // Always return an empty object.
      if ( !acceptData( owner ) ) {
        return {};
      }
  
      // Check if the owner object already has a cache
      var value = owner[ this.expando ];
  
      // If not, create one
      if ( !value ) {
        value = {};
  
        // We can accept data for non-element nodes in modern browsers,
        // but we should not, see #8335.
        // Always return an empty object.
        if ( acceptData( owner ) ) {
  
          // If it is a node unlikely to be stringify-ed or looped over
          // use plain assignment
          if ( owner.nodeType ) {
            owner[ this.expando ] = value;
  
          // Otherwise secure it in a non-enumerable property
          // configurable must be true to allow the property to be
          // deleted when data is removed
          } else {
            Object.defineProperty( owner, this.expando, {
              value: value,
              configurable: true
            } );
          }
        }
      }
  
      return value;
    },
    set: function( owner, data, value ) {
      var prop,
        cache = this.cache( owner );
  
      // Handle: [ owner, key, value ] args
      if ( typeof data === "string" ) {
        cache[ data ] = value;
  
      // Handle: [ owner, { properties } ] args
      } else {
  
        // Copy the properties one-by-one to the cache object
        for ( prop in data ) {
          cache[ prop ] = data[ prop ];
        }
      }
      return cache;
    },
    get: function( owner, key ) {
      return key === undefined ?
        this.cache( owner ) :
        owner[ this.expando ] && owner[ this.expando ][ key ];
    },
    access: function( owner, key, value ) {
      var stored;
  
      // In cases where either:
      //
      //   1. No key was specified
      //   2. A string key was specified, but no value provided
      //
      // Take the "read" path and allow the get method to determine
      // which value to return, respectively either:
      //
      //   1. The entire cache object
      //   2. The data stored at the key
      //
      if ( key === undefined ||
          ( ( key && typeof key === "string" ) && value === undefined ) ) {
  
        stored = this.get( owner, key );
  
        return stored !== undefined ?
          stored : this.get( owner, jQuery.camelCase( key ) );
      }
  
      // When the key is not a string, or both a key and value
      // are specified, set or extend (existing objects) with either:
      //
      //   1. An object of properties
      //   2. A key and value
      //
      this.set( owner, key, value );
  
      // Since the "set" path can have two possible entry points
      // return the expected data based on which path was taken[*]
      return value !== undefined ? value : key;
    },
    remove: function( owner, key ) {
      var i, name, camel,
        cache = owner[ this.expando ];
  
      if ( cache === undefined ) {
        return;
      }
  
      if ( key === undefined ) {
        this.register( owner );
  
      } else {
  
        // Support array or space separated string of keys
        if ( jQuery.isArray( key ) ) {
  
          // 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 = key.concat( key.map( jQuery.camelCase ) );
        } else {
          camel = jQuery.camelCase( key );
  
          // Try the string as a key before any manipulation
          if ( key in cache ) {
            name = [ key, camel ];
          } else {
  
            // If a key with the spaces exists, use it.
            // Otherwise, create an array by matching non-whitespace
            name = camel;
            name = name in cache ?
              [ name ] : ( name.match( rnotwhite ) || [] );
          }
        }
  
        i = name.length;
  
        while ( i-- ) {
          delete cache[ name[ i ] ];
        }
      }
  
      // Remove the expando if there's no more data
      if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
  
        // Support: Chrome <= 35-45+
        // Webkit & Blink performance suffers when deleting properties
        // from DOM nodes, so set to undefined instead
        // https://code.google.com/p/chromium/issues/detail?id=378607
        if ( owner.nodeType ) {
          owner[ this.expando ] = undefined;
        } else {
          delete owner[ this.expando ];
        }
      }
    },
    hasData: function( owner ) {
      var cache = owner[ this.expando ];
      return cache !== undefined && !jQuery.isEmptyObject( cache );
    }
  };
  var dataPriv = new Data();
  
  var dataUser = new Data();
  
  
  
  //  Implementation Summary
  //
  //  1. Enforce API surface and semantic compatibility with 1.9.x branch
  //  2. Improve the module's maintainability by reducing the storage
  //    paths to a single mechanism.
  //  3. Use the same single mechanism to support "private" and "user" data.
  //  4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
  //  5. Avoid exposing implementation details on user objects (eg. expando properties)
  //  6. Provide a clear path for implementation upgrade to WeakMap in 2014
  
  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
    rmultiDash = /[A-Z]/g;
  
  function dataAttr( elem, key, data ) {
    var name;
  
    // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute
    if ( data === undefined && elem.nodeType === 1 ) {
      name = "data-" + key.replace( rmultiDash, "-$&" ).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
        dataUser.set( elem, key, data );
      } else {
        data = undefined;
      }
    }
    return data;
  }
  
  jQuery.extend( {
    hasData: function( elem ) {
      return dataUser.hasData( elem ) || dataPriv.hasData( elem );
    },
  
    data: function( elem, name, data ) {
      return dataUser.access( elem, name, data );
    },
  
    removeData: function( elem, name ) {
      dataUser.remove( elem, name );
    },
  
    // TODO: Now that all calls to _data and _removeData have been replaced
    // with direct calls to dataPriv methods, these can be deprecated.
    _data: function( elem, name, data ) {
      return dataPriv.access( elem, name, data );
    },
  
    _removeData: function( elem, name ) {
      dataPriv.remove( elem, name );
    }
  } );
  
  jQuery.fn.extend( {
    data: function( key, value ) {
      var i, name, data,
        elem = this[ 0 ],
        attrs = elem && elem.attributes;
  
      // Gets all values
      if ( key === undefined ) {
        if ( this.length ) {
          data = dataUser.get( elem );
  
          if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
            i = attrs.length;
            while ( i-- ) {
  
              // Support: IE11+
              // The attrs elements can be null (#14894)
              if ( attrs[ i ] ) {
                name = attrs[ i ].name;
                if ( name.indexOf( "data-" ) === 0 ) {
                  name = jQuery.camelCase( name.slice( 5 ) );
                  dataAttr( elem, name, data[ name ] );
                }
              }
            }
            dataPriv.set( elem, "hasDataAttrs", true );
          }
        }
  
        return data;
      }
  
      // Sets multiple values
      if ( typeof key === "object" ) {
        return this.each( function() {
          dataUser.set( this, key );
        } );
      }
  
      return access( this, function( value ) {
        var data, camelKey;
  
        // The calling jQuery object (element matches) is not empty
        // (and therefore has an element appears at this[ 0 ]) and the
        // `value` parameter was not undefined. An empty jQuery object
        // will result in `undefined` for elem = this[ 0 ] which will
        // throw an exception if an attempt to read a data cache is made.
        if ( elem && value === undefined ) {
  
          // Attempt to get data from the cache
          // with the key as-is
          data = dataUser.get( elem, key ) ||
  
            // Try to find dashed key if it exists (gh-2779)
            // This is for 2.2.x only
            dataUser.get( elem, key.replace( rmultiDash, "-$&" ).toLowerCase() );
  
          if ( data !== undefined ) {
            return data;
          }
  
          camelKey = jQuery.camelCase( key );
  
          // Attempt to get data from the cache
          // with the key camelized
          data = dataUser.get( elem, camelKey );
          if ( data !== undefined ) {
            return data;
          }
  
          // Attempt to "discover" the data in
          // HTML5 custom data-* attrs
          data = dataAttr( elem, camelKey, undefined );
          if ( data !== undefined ) {
            return data;
          }
  
          // We tried really hard, but the data doesn't exist.
          return;
        }
  
        // Set the data...
        camelKey = jQuery.camelCase( key );
        this.each( function() {
  
          // First, attempt to store a copy or reference of any
          // data that might've been store with a camelCased key.
          var data = dataUser.get( this, camelKey );
  
          // For HTML5 data-* attribute interop, we have to
          // store property names with dashes in a camelCase form.
          // This might not apply to all properties...*
          dataUser.set( this, camelKey, value );
  
          // *... In the case of properties that might _actually_
          // have dashes, we need to also store a copy of that
          // unchanged property.
          if ( key.indexOf( "-" ) > -1 && data !== undefined ) {
            dataUser.set( this, key, value );
          }
        } );
      }, null, value, arguments.length > 1, null, true );
    },
  
    removeData: function( key ) {
      return this.each( function() {
        dataUser.remove( this, key );
      } );
    }
  } );
  
  
  jQuery.extend( {
    queue: function( elem, type, data ) {
      var queue;
  
      if ( elem ) {
        type = ( type || "fx" ) + "queue";
        queue = dataPriv.get( elem, type );
  
        // Speed up dequeue by getting out quickly if this is just a lookup
        if ( data ) {
          if ( !queue || jQuery.isArray( data ) ) {
            queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
          } else {
            queue.push( data );
          }
        }
        return queue || [];
      }
    },
  
    dequeue: function( elem, type ) {
      type = type || "fx";
  
      var queue = jQuery.queue( elem, type ),
        startLength = queue.length,
        fn = queue.shift(),
        hooks = jQuery._queueHooks( elem, type ),
        next = function() {
          jQuery.dequeue( elem, type );
        };
  
      // If the fx queue is dequeued, always remove the progress sentinel
      if ( fn === "inprogress" ) {
        fn = queue.shift();
        startLength--;
      }
  
      if ( fn ) {
  
        // Add a progress sentinel to prevent the fx queue from being
        // automatically dequeued
        if ( type === "fx" ) {
          queue.unshift( "inprogress" );
        }
  
        // Clear up the last queue stop function
        delete hooks.stop;
        fn.call( elem, next, hooks );
      }
  
      if ( !startLength && hooks ) {
        hooks.empty.fire();
      }
    },
  
    // Not public - generate a queueHooks object, or return the current one
    _queueHooks: function( elem, type ) {
      var key = type + "queueHooks";
      return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
        empty: jQuery.Callbacks( "once memory" ).add( function() {
          dataPriv.remove( elem, [ type + "queue", 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 );
      } );
    },
    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 = dataPriv.get( elements[ i ], type + "queueHooks" );
        if ( tmp && tmp.empty ) {
          count++;
          tmp.empty.add( resolve );
        }
      }
      resolve();
      return defer.promise( obj );
    }
  } );
  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
  
  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
  
  
  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
  
  var isHidden = function( 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 adjustCSS( elem, prop, valueParts, tween ) {
    var adjusted,
      scale = 1,
      maxIterations = 20,
      currentValue = tween ?
        function() { return tween.cur(); } :
        function() { return jQuery.css( elem, prop, "" ); },
      initial = currentValue(),
      unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
  
      // Starting value computation is required for potential unit mismatches
      initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
        rcssNum.exec( jQuery.css( elem, prop ) );
  
    if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
  
      // Trust units reported by jQuery.css
      unit = unit || initialInUnit[ 3 ];
  
      // Make sure we update the tween properties later on
      valueParts = valueParts || [];
  
      // Iteratively approximate from a nonzero starting point
      initialInUnit = +initial || 1;
  
      do {
  
        // If previous iteration zeroed out, double until we get *something*.
        // Use string for doubling so we don't accidentally see scale as unchanged below
        scale = scale || ".5";
  
        // Adjust and apply
        initialInUnit = initialInUnit / scale;
        jQuery.style( elem, prop, initialInUnit + unit );
  
      // Update scale, tolerating zero or NaN from tween.cur()
      // Break the loop if scale is unchanged or perfect, or if we've just had enough.
      } while (
        scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
      );
    }
  
    if ( valueParts ) {
      initialInUnit = +initialInUnit || +initial || 0;
  
      // Apply relative offset (+=/-=) if specified
      adjusted = valueParts[ 1 ] ?
        initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
        +valueParts[ 2 ];
      if ( tween ) {
        tween.unit = unit;
        tween.start = initialInUnit;
        tween.end = adjusted;
      }
    }
    return adjusted;
  }
  var rcheckableType = ( /^(?:checkbox|radio)$/i );
  
  var rtagName = ( /<([\w:-]+)/ );
  
  var rscriptType = ( /^$|\/(?:java|ecma)script/i );
  
  
  
  // We have to close these tags to support XHTML (#13200)
  var wrapMap = {
  
    // Support: IE9
    option: [ 1, "<select multiple='multiple'>", "</select>" ],
  
    // XHTML parsers do not magically insert elements in the
    // same way that tag soup parsers do. So we cannot shorten
    // this by omitting <tbody> or other required elements.
    thead: [ 1, "<table>", "</table>" ],
    col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
    tr: [ 2, "<table><tbody>", "</tbody></table>" ],
    td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
  
    _default: [ 0, "", "" ]
  };
  
  // Support: IE9
  wrapMap.optgroup = wrapMap.option;
  
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;
  
  
  function getAll( context, tag ) {
  
    // Support: IE9-11+
    // Use typeof to avoid zero-argument method invocation on host objects (#15151)
    var ret = typeof context.getElementsByTagName !== "undefined" ?
        context.getElementsByTagName( tag || "*" ) :
        typeof context.querySelectorAll !== "undefined" ?
          context.querySelectorAll( tag || "*" ) :
        [];
  
    return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
      jQuery.merge( [ context ], ret ) :
      ret;
  }
  
  
  // Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
    var i = 0,
      l = elems.length;
  
    for ( ; i < l; i++ ) {
      dataPriv.set(
        elems[ i ],
        "globalEval",
        !refElements || dataPriv.get( refElements[ i ], "globalEval" )
      );
    }
  }
  
  
  var rhtml = /<|&#?\w+;/;
  
  function buildFragment( elems, context, scripts, selection, ignored ) {
    var elem, tmp, tag, wrap, contains, j,
      fragment = context.createDocumentFragment(),
      nodes = [],
      i = 0,
      l = elems.length;
  
    for ( ; i < l; i++ ) {
      elem = elems[ i ];
  
      if ( elem || elem === 0 ) {
  
        // Add nodes directly
        if ( jQuery.type( elem ) === "object" ) {
  
          // Support: Android<4.1, PhantomJS<2
          // push.apply(_, arraylike) throws on ancient WebKit
          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 || fragment.appendChild( context.createElement( "div" ) );
  
          // Deserialize a standard representation
          tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
          wrap = wrapMap[ tag ] || wrapMap._default;
          tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
  
          // Descend through wrappers to the right content
          j = wrap[ 0 ];
          while ( j-- ) {
            tmp = tmp.lastChild;
          }
  
          // Support: Android<4.1, PhantomJS<2
          // push.apply(_, arraylike) throws on ancient WebKit
          jQuery.merge( nodes, tmp.childNodes );
  
          // Remember the top-level container
          tmp = fragment.firstChild;
  
          // Ensure the created nodes are orphaned (#12392)
          tmp.textContent = "";
        }
      }
    }
  
    // Remove wrapper from fragment
    fragment.textContent = "";
  
    i = 0;
    while ( ( elem = nodes[ i++ ] ) ) {
  
      // Skip elements already in the context collection (trac-4087)
      if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
        if ( ignored ) {
          ignored.push( elem );
        }
        continue;
      }
  
      contains = jQuery.contains( elem.ownerDocument, elem );
  
      // Append to fragment
      tmp = getAll( fragment.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 );
          }
        }
      }
    }
  
    return fragment;
  }
  
  
  ( function() {
    var fragment = document.createDocumentFragment(),
      div = fragment.appendChild( document.createElement( "div" ) ),
      input = document.createElement( "input" );
  
    // Support: Android 4.0-4.3, Safari<=5.1
    // Check state lost if the name is set (#11217)
    // Support: Windows Web Apps (WWA)
    // `name` and `type` must use .setAttribute for WWA (#14901)
    input.setAttribute( "type", "radio" );
    input.setAttribute( "checked", "checked" );
    input.setAttribute( "name", "t" );
  
    div.appendChild( input );
  
    // Support: Safari<=5.1, Android<4.2
    // Older WebKit doesn't clone checked state correctly in fragments
    support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
  
    // Support: IE<=11+
    // Make sure textarea (and checkbox) defaultValue is properly cloned
    div.innerHTML = "<textarea>x</textarea>";
    support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
  } )();
  
  
  var
    rkeyEvent = /^key/,
    rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
    rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
  
  function returnTrue() {
    return true;
  }
  
  function returnFalse() {
    return false;
  }
  
  // Support: IE9
  // See #13393 for more info
  function safeActiveElement() {
    try {
      return document.activeElement;
    } catch ( err ) { }
  }
  
  function on( elem, types, selector, data, fn, one ) {
    var origFn, type;
  
    // 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 ) {
        on( elem, type, selector, data, types[ type ], one );
      }
      return elem;
    }
  
    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 elem.each( function() {
      jQuery.event.add( this, types, fn, data, selector );
    } );
  }
  
  /*
   * 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 handleObjIn, eventHandle, tmp,
        events, t, handleObj,
        special, handlers, type, namespaces, origType,
        elemData = dataPriv.get( 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 !== "undefined" && jQuery.event.triggered !== e.type ?
            jQuery.event.dispatch.apply( elem, arguments ) : undefined;
        };
      }
  
      // Handle multiple events separated by a space
      types = ( types || "" ).match( rnotwhite ) || [ "" ];
      t = types.length;
      while ( t-- ) {
        tmp = rtypenamespace.exec( types[ t ] ) || [];
        type = origType = tmp[ 1 ];
        namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
        // There *must* be a type, no attaching namespace-only handlers
        if ( !type ) {
          continue;
        }
  
        // 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 if the special events handler returns false
          if ( !special.setup ||
            special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
  
            if ( elem.addEventListener ) {
              elem.addEventListener( 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;
      }
  
    },
  
    // Detach an event or set of events from an element
    remove: function( elem, types, handler, selector, mappedTypes ) {
  
      var j, origCount, tmp,
        events, t, handleObj,
        special, handlers, type, namespaces, origType,
        elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
  
      if ( !elemData || !( events = elemData.events ) ) {
        return;
      }
  
      // Once for each type.namespace in types; type may be omitted
      types = ( types || "" ).match( 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 data and the expando if it's no longer used
      if ( jQuery.isEmptyObject( events ) ) {
        dataPriv.remove( elem, "handle events" );
      }
    },
  
    dispatch: function( event ) {
  
      // Make a writable jQuery.Event from the native event object
      event = jQuery.event.fix( event );
  
      var i, j, ret, matched, handleObj,
        handlerQueue = [],
        args = slice.call( arguments ),
        handlers = ( dataPriv.get( 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.rnamespace || event.rnamespace.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 i, matches, sel, handleObj,
        handlerQueue = [],
        delegateCount = handlers.delegateCount,
        cur = event.target;
  
      // Support (at least): Chrome, IE9
      // Find delegate handlers
      // Black-hole SVG <use> instance trees (#13180)
      //
      // Support: Firefox<=42+
      // Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
      if ( delegateCount && cur.nodeType &&
        ( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {
  
        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 ) > -1 :
                  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;
    },
  
    // Includes some event props shared by KeyEvent and MouseEvent
    props: ( "altKey bubbles cancelable ctrlKey currentTarget detail 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 offsetX offsetY pageX pageY " +
        "screenX screenY toElement" ).split( " " ),
      filter: function( event, original ) {
        var eventDoc, doc, body,
          button = original.button;
  
        // 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 which for click: 1 === left; 2 === middle; 3 === right
        // Note: button is not normalized, so don't use it
        if ( !event.which && button !== undefined ) {
          event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
        }
  
        return event;
      }
    },
  
    fix: function( event ) {
      if ( event[ jQuery.expando ] ) {
        return event;
      }
  
      // Create a writable copy of the event object and normalize some properties
      var i, prop, 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: Cordova 2.5 (WebKit) (#13255)
      // All events should have a target; Cordova deviceready doesn't
      if ( !event.target ) {
        event.target = document;
      }
  
      // Support: Safari 6.0+, Chrome<28
      // Target should not be a text node (#504, #13143)
      if ( event.target.nodeType === 3 ) {
        event.target = event.target.parentNode;
      }
  
      return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
    },
  
    special: {
      load: {
  
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      focus: {
  
        // Fire native event if possible so blur/focus sequence is correct
        trigger: function() {
          if ( this !== safeActiveElement() && this.focus ) {
            this.focus();
            return false;
          }
        },
        delegateType: "focusin"
      },
      blur: {
        trigger: function() {
          if ( this === safeActiveElement() && this.blur ) {
            this.blur();
            return false;
          }
        },
        delegateType: "focusout"
      },
      click: {
  
        // For checkbox, fire native event so checked state will be right
        trigger: function() {
          if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
            this.click();
            return false;
          }
        },
  
        // For cross-browser consistency, don't fire native .click() on links
        _default: function( event ) {
          return jQuery.nodeName( event.target, "a" );
        }
      },
  
      beforeunload: {
        postDispatch: function( event ) {
  
          // Support: Firefox 20+
          // Firefox doesn't alert if the returnValue field is not set.
          if ( event.result !== undefined && event.originalEvent ) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    }
  };
  
  jQuery.removeEvent = function( elem, type, handle ) {
  
    // This "if" is needed for plain objects
    if ( elem.removeEventListener ) {
      elem.removeEventListener( type, 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.defaultPrevented === undefined &&
  
          // Support: Android<4.0
          src.returnValue === false ?
        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 = {
    constructor: jQuery.Event,
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,
  
    preventDefault: function() {
      var e = this.originalEvent;
  
      this.isDefaultPrevented = returnTrue;
  
      if ( e ) {
        e.preventDefault();
      }
    },
    stopPropagation: function() {
      var e = this.originalEvent;
  
      this.isPropagationStopped = returnTrue;
  
      if ( e ) {
        e.stopPropagation();
      }
    },
    stopImmediatePropagation: function() {
      var e = this.originalEvent;
  
      this.isImmediatePropagationStopped = returnTrue;
  
      if ( e ) {
        e.stopImmediatePropagation();
      }
  
      this.stopPropagation();
    }
  };
  
  // Create mouseenter/leave events using mouseover/out and event-time checks
  // so that event delegation works in jQuery.
  // Do the same for pointerenter/pointerleave and pointerover/pointerout
  //
  // Support: Safari 7 only
  // Safari sends mouseenter too often; see:
  // https://code.google.com/p/chromium/issues/detail?id=470258
  // for the description of the bug (it existed in older Chrome versions as well).
  jQuery.each( {
    mouseenter: "mouseover",
    mouseleave: "mouseout",
    pointerenter: "pointerover",
    pointerleave: "pointerout"
  }, 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 mouseenter/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;
      }
    };
  } );
  
  jQuery.fn.extend( {
    on: function( types, selector, data, fn ) {
      return on( this, types, selector, data, fn );
    },
    one: function( types, selector, data, fn ) {
      return on( this, 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 );
      } );
    }
  } );
  
  
  var
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi,
  
    // Support: IE 10-11, Edge 10240+
    // In IE/Edge using regex groups here causes severe slowdowns.
    // See https://connect.microsoft.com/IE/feedback/details/1736512/
    rnoInnerhtml = /<script|<style|<link/i,
  
    // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rscriptTypeMasked = /^true\/(.*)/,
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
  
  function manipulationTarget( elem, content ) {
    if ( jQuery.nodeName( elem, "table" ) &&
      jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
  
      return elem.getElementsByTagName( "tbody" )[ 0 ] || elem;
    }
  
    return elem;
  }
  
  // Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
    elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + 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;
  }
  
  function cloneCopyEvent( src, dest ) {
    var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
  
    if ( dest.nodeType !== 1 ) {
      return;
    }
  
    // 1. Copy private data: events, handlers, etc.
    if ( dataPriv.hasData( src ) ) {
      pdataOld = dataPriv.access( src );
      pdataCur = dataPriv.set( dest, pdataOld );
      events = pdataOld.events;
  
      if ( events ) {
        delete pdataCur.handle;
        pdataCur.events = {};
  
        for ( type in events ) {
          for ( i = 0, l = events[ type ].length; i < l; i++ ) {
            jQuery.event.add( dest, type, events[ type ][ i ] );
          }
        }
      }
    }
  
    // 2. Copy user data
    if ( dataUser.hasData( src ) ) {
      udataOld = dataUser.access( src );
      udataCur = jQuery.extend( {}, udataOld );
  
      dataUser.set( dest, udataCur );
    }
  }
  
  // Fix IE bugs, see support tests
  function fixInput( src, dest ) {
    var nodeName = dest.nodeName.toLowerCase();
  
    // Fails to persist the checked state of a cloned checkbox or radio button.
    if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
      dest.checked = src.checked;
  
    // Fails to return the selected option to the default selected state when cloning options
    } else if ( nodeName === "input" || nodeName === "textarea" ) {
      dest.defaultValue = src.defaultValue;
    }
  }
  
  function domManip( collection, args, callback, ignored ) {
  
    // Flatten any nested arrays
    args = concat.apply( [], args );
  
    var fragment, first, scripts, hasScripts, node, doc,
      i = 0,
      l = collection.length,
      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" &&
          !support.checkClone && rchecked.test( value ) ) ) {
      return collection.each( function( index ) {
        var self = collection.eq( index );
        if ( isFunction ) {
          args[ 0 ] = value.call( this, index, self.html() );
        }
        domManip( self, args, callback, ignored );
      } );
    }
  
    if ( l ) {
      fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
      first = fragment.firstChild;
  
      if ( fragment.childNodes.length === 1 ) {
        fragment = first;
      }
  
      // Require either new content or an interest in ignored elements to invoke the callback
      if ( first || ignored ) {
        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 ) {
  
              // Support: Android<4.1, PhantomJS<2
              // push.apply(_, arraylike) throws on ancient WebKit
              jQuery.merge( scripts, getAll( node, "script" ) );
            }
          }
  
          callback.call( collection[ i ], node, i );
        }
  
        if ( hasScripts ) {
          doc = scripts[ scripts.length - 1 ].ownerDocument;
  
          // Reenable 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 || "" ) &&
              !dataPriv.access( node, "globalEval" ) &&
              jQuery.contains( doc, node ) ) {
  
              if ( node.src ) {
  
                // Optional AJAX dependency, but won't run scripts if not present
                if ( jQuery._evalUrl ) {
                  jQuery._evalUrl( node.src );
                }
              } else {
                jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
              }
            }
          }
        }
      }
    }
  
    return collection;
  }
  
  function remove( elem, selector, keepData ) {
    var node,
      nodes = selector ? jQuery.filter( selector, elem ) : elem,
      i = 0;
  
    for ( ; ( node = nodes[ i ] ) != null; i++ ) {
      if ( !keepData && node.nodeType === 1 ) {
        jQuery.cleanData( getAll( node ) );
      }
  
      if ( node.parentNode ) {
        if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
          setGlobalEval( getAll( node, "script" ) );
        }
        node.parentNode.removeChild( node );
      }
    }
  
    return elem;
  }
  
  jQuery.extend( {
    htmlPrefilter: function( html ) {
      return html.replace( rxhtmlTag, "<$1></$2>" );
    },
  
    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
      var i, l, srcElements, destElements,
        clone = elem.cloneNode( true ),
        inPage = jQuery.contains( elem.ownerDocument, elem );
  
      // Fix IE cloning issues
      if ( !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 );
  
        for ( i = 0, l = srcElements.length; i < l; i++ ) {
          fixInput( srcElements[ i ], 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, l = srcElements.length; i < l; i++ ) {
            cloneCopyEvent( srcElements[ i ], destElements[ i ] );
          }
        } else {
          cloneCopyEvent( elem, clone );
        }
      }
  
      // Preserve script evaluation history
      destElements = getAll( clone, "script" );
      if ( destElements.length > 0 ) {
        setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
      }
  
      // Return the cloned set
      return clone;
    },
  
    cleanData: function( elems ) {
      var data, elem, type,
        special = jQuery.event.special,
        i = 0;
  
      for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
        if ( acceptData( elem ) ) {
          if ( ( data = elem[ dataPriv.expando ] ) ) {
            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 );
                }
              }
            }
  
            // Support: Chrome <= 35-45+
            // Assign undefined instead of using delete, see Data#remove
            elem[ dataPriv.expando ] = undefined;
          }
          if ( elem[ dataUser.expando ] ) {
  
            // Support: Chrome <= 35-45+
            // Assign undefined instead of using delete, see Data#remove
            elem[ dataUser.expando ] = undefined;
          }
        }
      }
    }
  } );
  
  jQuery.fn.extend( {
  
    // Keep domManip exposed until 3.0 (gh-2225)
    domManip: domManip,
  
    detach: function( selector ) {
      return remove( this, selector, true );
    },
  
    remove: function( selector ) {
      return remove( this, selector );
    },
  
    text: function( value ) {
      return access( this, function( value ) {
        return value === undefined ?
          jQuery.text( this ) :
          this.empty().each( function() {
            if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
              this.textContent = value;
            }
          } );
      }, null, value, arguments.length );
    },
  
    append: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          var target = manipulationTarget( this, elem );
          target.appendChild( elem );
        }
      } );
    },
  
    prepend: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          var target = manipulationTarget( this, elem );
          target.insertBefore( elem, target.firstChild );
        }
      } );
    },
  
    before: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this );
        }
      } );
    },
  
    after: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this.nextSibling );
        }
      } );
    },
  
    empty: function() {
      var elem,
        i = 0;
  
      for ( ; ( elem = this[ i ] ) != null; i++ ) {
        if ( elem.nodeType === 1 ) {
  
          // Prevent memory leaks
          jQuery.cleanData( getAll( elem, false ) );
  
          // Remove any remaining nodes
          elem.textContent = "";
        }
      }
  
      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 access( this, function( value ) {
        var elem = this[ 0 ] || {},
          i = 0,
          l = this.length;
  
        if ( value === undefined && elem.nodeType === 1 ) {
          return elem.innerHTML;
        }
  
        // See if we can take a shortcut and just use innerHTML
        if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
          !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
  
          value = jQuery.htmlPrefilter( value );
  
          try {
            for ( ; i < l; i++ ) {
              elem = this[ i ] || {};
  
              // Remove element nodes and prevent memory leaks
              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() {
      var ignored = [];
  
      // Make the changes, replacing each non-ignored context element with the new content
      return domManip( this, arguments, function( elem ) {
        var parent = this.parentNode;
  
        if ( jQuery.inArray( this, ignored ) < 0 ) {
          jQuery.cleanData( getAll( this ) );
          if ( parent ) {
            parent.replaceChild( elem, this );
          }
        }
  
      // Force callback invocation
      }, ignored );
    }
  } );
  
  jQuery.each( {
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function( name, original ) {
    jQuery.fn[ name ] = function( selector ) {
      var elems,
        ret = [],
        insert = jQuery( selector ),
        last = insert.length - 1,
        i = 0;
  
      for ( ; i <= last; i++ ) {
        elems = i === last ? this : this.clone( true );
        jQuery( insert[ i ] )[ original ]( elems );
  
        // Support: QtWebKit
        // .get() because push.apply(_, arraylike) throws
        push.apply( ret, elems.get() );
      }
  
      return this.pushStack( ret );
    };
  } );
  
  
  var iframe,
    elemdisplay = {
  
      // Support: Firefox
      // We have to pre-define these values for FF (#10227)
      HTML: "block",
      BODY: "block"
    };
  
  /**
   * Retrieve the actual display of a element
   * @param {String} name nodeName of the element
   * @param {Object} doc Document object
   */
  
  // Called only from within defaultDisplay
  function actualDisplay( name, doc ) {
    var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
  
      display = jQuery.css( elem[ 0 ], "display" );
  
    // We don't have any data stored on the element,
    // so use "detach" method as fast way to get rid of the element
    elem.detach();
  
    return display;
  }
  
  /**
   * Try to determine the default display value of an element
   * @param {String} nodeName
   */
  function 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'/>" ) )
          .appendTo( doc.documentElement );
  
        // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
        doc = iframe[ 0 ].contentDocument;
  
        // Support: IE
        doc.write();
        doc.close();
  
        display = actualDisplay( nodeName, doc );
        iframe.detach();
      }
  
      // Store the correct default display
      elemdisplay[ nodeName ] = display;
    }
  
    return display;
  }
  var rmargin = ( /^margin/ );
  
  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
  
  var getStyles = function( elem ) {
  
      // Support: IE<=11+, Firefox<=30+ (#15098, #14150)
      // IE throws on elements created in popups
      // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
      var view = elem.ownerDocument.defaultView;
  
      if ( !view.opener ) {
        view = window;
      }
  
      return view.getComputedStyle( elem );
    };
  
  var 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;
  };
  
  
  var documentElement = document.documentElement;
  
  
  
  ( function() {
    var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
      container = document.createElement( "div" ),
      div = document.createElement( "div" );
  
    // Finish early in limited (non-browser) environments
    if ( !div.style ) {
      return;
    }
  
    // Support: IE9-11+
    // Style of cloned element affects source element cloned (#8908)
    div.style.backgroundClip = "content-box";
    div.cloneNode( true ).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";
  
    container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
      "padding:0;margin-top:1px;position:absolute";
    container.appendChild( div );
  
    // Executing both pixelPosition & boxSizingReliable tests require only one layout
    // so they're executed at the same time to save the second computation.
    function computeStyleTests() {
      div.style.cssText =
  
        // Support: Firefox<29, Android 2.3
        // Vendor-prefix box-sizing
        "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" +
        "position:relative;display:block;" +
        "margin:auto;border:1px;padding:1px;" +
        "top:1%;width:50%";
      div.innerHTML = "";
      documentElement.appendChild( container );
  
      var divStyle = window.getComputedStyle( div );
      pixelPositionVal = divStyle.top !== "1%";
      reliableMarginLeftVal = divStyle.marginLeft === "2px";
      boxSizingReliableVal = divStyle.width === "4px";
  
      // Support: Android 4.0 - 4.3 only
      // Some styles come back with percentage values, even though they shouldn't
      div.style.marginRight = "50%";
      pixelMarginRightVal = divStyle.marginRight === "4px";
  
      documentElement.removeChild( container );
    }
  
    jQuery.extend( support, {
      pixelPosition: function() {
  
        // This test is executed only once but we still do memoizing
        // since we can use the boxSizingReliable pre-computing.
        // No need to check if the test was already performed, though.
        computeStyleTests();
        return pixelPositionVal;
      },
      boxSizingReliable: function() {
        if ( boxSizingReliableVal == null ) {
          computeStyleTests();
        }
        return boxSizingReliableVal;
      },
      pixelMarginRight: function() {
  
        // Support: Android 4.0-4.3
        // We're checking for boxSizingReliableVal here instead of pixelMarginRightVal
        // since that compresses better and they're computed together anyway.
        if ( boxSizingReliableVal == null ) {
          computeStyleTests();
        }
        return pixelMarginRightVal;
      },
      reliableMarginLeft: function() {
  
        // Support: IE <=8 only, Android 4.0 - 4.3 only, Firefox <=3 - 37
        if ( boxSizingReliableVal == null ) {
          computeStyleTests();
        }
        return reliableMarginLeftVal;
      },
      reliableMarginRight: function() {
  
        // Support: Android 2.3
        // Check if div with explicit width and no margin-right incorrectly
        // gets computed margin-right based on width of container. (#3333)
        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
        // This support function is only executed once so no memoizing is needed.
        var ret,
          marginDiv = div.appendChild( document.createElement( "div" ) );
  
        // Reset CSS: box-sizing; display; margin; border; padding
        marginDiv.style.cssText = div.style.cssText =
  
          // Support: Android 2.3
          // Vendor-prefix box-sizing
          "-webkit-box-sizing:content-box;box-sizing:content-box;" +
          "display:block;margin:0;border:0;padding:0";
        marginDiv.style.marginRight = marginDiv.style.width = "0";
        div.style.width = "1px";
        documentElement.appendChild( container );
  
        ret = !parseFloat( window.getComputedStyle( marginDiv ).marginRight );
  
        documentElement.removeChild( container );
        div.removeChild( marginDiv );
  
        return ret;
      }
    } );
  } )();
  
  
  function curCSS( elem, name, computed ) {
    var width, minWidth, maxWidth, ret,
      style = elem.style;
  
    computed = computed || getStyles( elem );
  
    // Support: IE9
    // getPropertyValue is only needed for .css('filter') (#12537)
    if ( computed ) {
      ret = computed.getPropertyValue( name ) || computed[ name ];
  
      if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
        ret = jQuery.style( elem, name );
      }
  
      // A tribute to the "awesome hack by Dean Edwards"
      // Android Browser returns percentage for some values,
      // but width seems to be reliably pixels.
      // This is against the CSSOM draft spec:
      // http://dev.w3.org/csswg/cssom/#resolved-values
      if ( !support.pixelMarginRight() && 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 !== undefined ?
  
      // Support: IE9-11+
      // IE returns zIndex value as an integer.
      ret + "" :
      ret;
  }
  
  
  function addGetHookIf( conditionFn, hookFn ) {
  
    // Define the hook, we'll check on the first run if it's really needed.
    return {
      get: function() {
        if ( conditionFn() ) {
  
          // Hook not needed (or it's not possible to use it due
          // to missing dependency), remove it.
          delete this.get;
          return;
        }
  
        // Hook needed; redefine it so that the support test is not executed again.
        return ( this.get = hookFn ).apply( this, arguments );
      }
    };
  }
  
  
  var
  
    // 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]).+)/,
  
    cssShow = { position: "absolute", visibility: "hidden", display: "block" },
    cssNormalTransform = {
      letterSpacing: "0",
      fontWeight: "400"
    },
  
    cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
    emptyStyle = document.createElement( "div" ).style;
  
  // Return a css property mapped to a potentially vendor prefixed property
  function vendorPropName( name ) {
  
    // Shortcut for names that are not vendor prefixed
    if ( name in emptyStyle ) {
      return name;
    }
  
    // Check for vendor prefixed names
    var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
      i = cssPrefixes.length;
  
    while ( i-- ) {
      name = cssPrefixes[ i ] + capName;
      if ( name in emptyStyle ) {
        return name;
      }
    }
  }
  
  function setPositiveNumber( elem, value, subtract ) {
  
    // Any relative (+/-) values have already been
    // normalized at this point
    var matches = rcssNum.exec( value );
    return matches ?
  
      // Guard against undefined "subtract", e.g., when used as in cssHooks
      Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "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.css( elem, "boxSizing", false, styles ) === "border-box";
  
    // Support: IE11 only
    // In IE 11 fullscreen elements inside of an iframe have
    // 100x too small dimensions (gh-1764).
    if ( document.msFullscreenElement && window.top !== window ) {
  
      // Support: IE11 only
      // Running getBoundingClientRect on a disconnected node
      // in IE throws an error.
      if ( elem.getClientRects().length ) {
        val = Math.round( elem.getBoundingClientRect()[ name ] * 100 );
      }
    }
  
    // 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;
      }
  
      // Check for style in case a browser which returns unreliable values
      // for getComputedStyle silently falls back to the reliable elem.style
      valueIsBorderBox = isBorderBox &&
        ( 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";
  }
  
  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 ] = dataPriv.get( 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 ] = dataPriv.access(
            elem,
            "olddisplay",
            defaultDisplay( elem.nodeName )
          );
        }
      } else {
        hidden = isHidden( elem );
  
        if ( display !== "none" || !hidden ) {
          dataPriv.set(
            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.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;
          }
        }
      }
    },
  
    // Don't automatically add "px" to these possibly-unitless properties
    cssNumber: {
      "animationIterationCount": true,
      "columnCount": true,
      "fillOpacity": true,
      "flexGrow": true,
      "flexShrink": true,
      "fontWeight": true,
      "lineHeight": true,
      "opacity": true,
      "order": 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: {
      "float": "cssFloat"
    },
  
    // 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( origName ) || origName );
  
      // Gets hook for the prefixed version, then unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
      // Check if we're setting a value
      if ( value !== undefined ) {
        type = typeof value;
  
        // Convert "+=" or "-=" to relative numbers (#7345)
        if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
          value = adjustCSS( elem, name, ret );
  
          // Fixes bug #9237
          type = "number";
        }
  
        // Make sure that null and NaN values aren't set (#7116)
        if ( value == null || value !== value ) {
          return;
        }
  
        // If a number was passed in, add the unit (except for certain CSS properties)
        if ( type === "number" ) {
          value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
        }
  
        // Support: IE9-11+
        // background-* props affect original clone's values
        if ( !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 ) {
  
          style[ name ] = value;
        }
  
      } 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 val, num, hooks,
        origName = jQuery.camelCase( name );
  
      // Make sure that we're working with the right name
      name = jQuery.cssProps[ origName ] ||
        ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
  
      // Try prefixed name followed by the unprefixed name
      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 ];
      }
  
      // Make numeric if forced or a qualifier was provided and val looks numeric
      if ( extra === "" || extra ) {
        num = parseFloat( val );
        return extra === true || isFinite( num ) ? num || 0 : val;
      }
      return val;
    }
  } );
  
  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
          // but it must have a current display style that would benefit
          return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
            elem.offsetWidth === 0 ?
              swap( elem, cssShow, function() {
                return getWidthOrHeight( elem, name, extra );
              } ) :
              getWidthOrHeight( elem, name, extra );
        }
      },
  
      set: function( elem, value, extra ) {
        var matches,
          styles = extra && getStyles( elem ),
          subtract = extra && augmentWidthOrHeight(
            elem,
            name,
            extra,
            jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
            styles
          );
  
        // Convert to pixels if value adjustment is needed
        if ( subtract && ( matches = rcssNum.exec( value ) ) &&
          ( matches[ 3 ] || "px" ) !== "px" ) {
  
          elem.style[ name ] = value;
          value = jQuery.css( elem, name );
        }
  
        return setPositiveNumber( elem, value, subtract );
      }
    };
  } );
  
  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
    function( elem, computed ) {
      if ( computed ) {
        return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
          elem.getBoundingClientRect().left -
            swap( elem, { marginLeft: 0 }, function() {
              return elem.getBoundingClientRect().left;
            } )
          ) + "px";
      }
    }
  );
  
  // Support: Android 2.3
  jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
    function( elem, computed ) {
      if ( computed ) {
        return swap( elem, { "display": "inline-block" },
          curCSS, [ elem, "marginRight" ] );
      }
    }
  );
  
  // 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;
    }
  } );
  
  jQuery.fn.extend( {
    css: function( name, value ) {
      return access( this, function( elem, name, value ) {
        var styles, len,
          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 ) {
      if ( typeof state === "boolean" ) {
        return state ? this.show() : this.hide();
      }
  
      return this.each( function() {
        if ( isHidden( this ) ) {
          jQuery( this ).show();
        } else {
          jQuery( this ).hide();
        }
      } );
    }
  } );
  
  
  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 || jQuery.easing._default;
      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;
  
        // Use a property on the element directly when it is not a DOM element,
        // or when there is no matching style property that exists.
        if ( tween.elem.nodeType !== 1 ||
          tween.elem[ tween.prop ] != null && 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.
        // 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 available and use plain properties where available.
        if ( jQuery.fx.step[ tween.prop ] ) {
          jQuery.fx.step[ tween.prop ]( tween );
        } else if ( tween.elem.nodeType === 1 &&
          ( 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;
        }
      }
    }
  };
  
  // Support: IE9
  // 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.easing = {
    linear: function( p ) {
      return p;
    },
    swing: function( p ) {
      return 0.5 - Math.cos( p * Math.PI ) / 2;
    },
    _default: "swing"
  };
  
  jQuery.fx = Tween.prototype.init;
  
  // Back Compat <1.8 extension point
  jQuery.fx.step = {};
  
  
  
  
  var
    fxNow, timerId,
    rfxtypes = /^(?:toggle|show|hide)$/,
    rrun = /queueHooks$/;
  
  // Animations created synchronously will run synchronously
  function createFxNow() {
    window.setTimeout( function() {
      fxNow = undefined;
    } );
    return ( fxNow = jQuery.now() );
  }
  
  // Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
    var which,
      i = 0,
      attrs = { height: type };
  
    // If we include width, step value is 1 to do all cssExpand values,
    // otherwise 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;
  }
  
  function createTween( value, prop, animation ) {
    var tween,
      collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
      index = 0,
      length = collection.length;
    for ( ; index < length; index++ ) {
      if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
  
        // We're done with this property
        return tween;
      }
    }
  }
  
  function defaultPrefilter( elem, props, opts ) {
    /* jshint validthis: true */
    var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
      anim = this,
      orig = {},
      style = elem.style,
      hidden = elem.nodeType && isHidden( elem ),
      dataShow = dataPriv.get( elem, "fxshow" );
  
    // 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() {
  
        // Ensure the complete handler is 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 IE9-10 do 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
      display = jQuery.css( elem, "display" );
  
      // Test default display if display is currently "none"
      checkDisplay = display === "none" ?
        dataPriv.get( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
  
      if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
        style.display = "inline-block";
      }
    }
  
    if ( opts.overflow ) {
      style.overflow = "hidden";
      anim.always( function() {
        style.overflow = opts.overflow[ 0 ];
        style.overflowX = opts.overflow[ 1 ];
        style.overflowY = opts.overflow[ 2 ];
      } );
    }
  
    // show/hide pass
    for ( prop in props ) {
      value = props[ prop ];
      if ( rfxtypes.exec( value ) ) {
        delete props[ prop ];
        toggle = toggle || value === "toggle";
        if ( value === ( hidden ? "hide" : "show" ) ) {
  
          // If there is dataShow left over from a stopped hide or show
          // and we are going to proceed with show, we should pretend to be hidden
          if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
            hidden = true;
          } else {
            continue;
          }
        }
        orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
  
      // Any non-fx value stops us from restoring the original display value
      } else {
        display = undefined;
      }
    }
  
    if ( !jQuery.isEmptyObject( orig ) ) {
      if ( dataShow ) {
        if ( "hidden" in dataShow ) {
          hidden = dataShow.hidden;
        }
      } else {
        dataShow = dataPriv.access( elem, "fxshow", {} );
      }
  
      // 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;
  
        dataPriv.remove( elem, "fxshow" );
        for ( prop in orig ) {
          jQuery.style( elem, prop, orig[ prop ] );
        }
      } );
      for ( prop in orig ) {
        tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
  
        if ( !( prop in dataShow ) ) {
          dataShow[ prop ] = tween.start;
          if ( hidden ) {
            tween.end = tween.start;
            tween.start = prop === "width" || prop === "height" ? 1 : 0;
          }
        }
      }
  
    // If this is a noop like .hide().hide(), restore an overwritten display value
    } else if ( ( display === "none" ? defaultDisplay( elem.nodeName ) : display ) === "inline" ) {
      style.display = display;
    }
  }
  
  function propFilter( props, specialEasing ) {
    var index, name, easing, value, hooks;
  
    // camelCase, specialEasing and expand cssHook pass
    for ( index in props ) {
      name = jQuery.camelCase( index );
      easing = specialEasing[ name ];
      value = props[ index ];
      if ( jQuery.isArray( value ) ) {
        easing = value[ 1 ];
        value = props[ index ] = value[ 0 ];
      }
  
      if ( index !== name ) {
        props[ name ] = value;
        delete props[ index ];
      }
  
      hooks = jQuery.cssHooks[ name ];
      if ( hooks && "expand" in hooks ) {
        value = hooks.expand( value );
        delete props[ name ];
  
        // Not quite $.extend, this won't overwrite existing keys.
        // Reusing 'index' 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;
      }
    }
  }
  
  function Animation( elem, properties, options ) {
    var result,
      stopped,
      index = 0,
      length = Animation.prefilters.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 ),
  
          // Support: Android 2.3
          // 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: {},
          easing: jQuery.easing._default
        }, 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.notifyWith( elem, [ animation, 1, 0 ] );
            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 = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
      if ( result ) {
        if ( jQuery.isFunction( result.stop ) ) {
          jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
            jQuery.proxy( result.stop, result );
        }
        return result;
      }
    }
  
    jQuery.map( props, createTween, animation );
  
    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 );
  }
  
  jQuery.Animation = jQuery.extend( Animation, {
    tweeners: {
      "*": [ function( prop, value ) {
        var tween = this.createTween( prop, value );
        adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
        return tween;
      } ]
    },
  
    tweener: function( props, callback ) {
      if ( jQuery.isFunction( props ) ) {
        callback = props;
        props = [ "*" ];
      } else {
        props = props.match( rnotwhite );
      }
  
      var prop,
        index = 0,
        length = props.length;
  
      for ( ; index < length ; index++ ) {
        prop = props[ index ];
        Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
        Animation.tweeners[ prop ].unshift( callback );
      }
    },
  
    prefilters: [ defaultPrefilter ],
  
    prefilter: function( callback, prepend ) {
      if ( prepend ) {
        Animation.prefilters.unshift( callback );
      } else {
        Animation.prefilters.push( 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.fn.extend( {
    fadeTo: function( speed, to, easing, callback ) {
  
      // Show any hidden elements after setting opacity to 0
      return this.filter( isHidden ).css( "opacity", 0 ).show()
  
        // Animate to the value specified
        .end().animate( { opacity: to }, speed, easing, callback );
    },
    animate: function( prop, speed, easing, callback ) {
      var empty = jQuery.isEmptyObject( prop ),
        optall = jQuery.speed( speed, easing, callback ),
        doAnimation = function() {
  
          // Operate on a copy of prop so per-property easing won't be lost
          var anim = Animation( this, jQuery.extend( {}, prop ), optall );
  
          // Empty animations, or finishing resolves immediately
          if ( empty || dataPriv.get( 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 = dataPriv.get( 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 = dataPriv.get( 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.stop ) {
          hooks.stop.call( this, true );
        }
  
        // 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;
      } );
    }
  } );
  
  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 );
    };
  } );
  
  // 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.timers = [];
  jQuery.fx.tick = function() {
    var timer,
      i = 0,
      timers = jQuery.timers;
  
    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 ) {
    jQuery.timers.push( timer );
    if ( timer() ) {
      jQuery.fx.start();
    } else {
      jQuery.timers.pop();
    }
  };
  
  jQuery.fx.interval = 13;
  jQuery.fx.start = function() {
    if ( !timerId ) {
      timerId = window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
    }
  };
  
  jQuery.fx.stop = function() {
    window.clearInterval( timerId );
  
    timerId = null;
  };
  
  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
  
    // Default speed
    _default: 400
  };
  
  
  // Based off of the plugin by Clint Helfers, with permission.
  // http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
  jQuery.fn.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 = window.setTimeout( next, time );
      hooks.stop = function() {
        window.clearTimeout( timeout );
      };
    } );
  };
  
  
  ( function() {
    var input = document.createElement( "input" ),
      select = document.createElement( "select" ),
      opt = select.appendChild( document.createElement( "option" ) );
  
    input.type = "checkbox";
  
    // Support: iOS<=5.1, Android<=4.2+
    // Default value for a checkbox should be "on"
    support.checkOn = input.value !== "";
  
    // Support: IE<=11+
    // Must access selectedIndex to make default options select
    support.optSelected = opt.selected;
  
    // Support: Android<=2.3
    // Options inside disabled selects are incorrectly marked as disabled
    select.disabled = true;
    support.optDisabled = !opt.disabled;
  
    // Support: IE<=11+
    // An input loses its value after becoming a radio
    input = document.createElement( "input" );
    input.value = "t";
    input.type = "radio";
    support.radioValue = input.value === "t";
  } )();
  
  
  var boolHook,
    attrHandle = jQuery.expr.attrHandle;
  
  jQuery.fn.extend( {
    attr: function( name, value ) {
      return access( this, jQuery.attr, name, value, arguments.length > 1 );
    },
  
    removeAttr: function( name ) {
      return this.each( function() {
        jQuery.removeAttr( this, name );
      } );
    }
  } );
  
  jQuery.extend( {
    attr: function( elem, name, value ) {
      var ret, hooks,
        nType = elem.nodeType;
  
      // Don't get/set attributes on text, comment and attribute nodes
      if ( nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }
  
      // Fallback to prop when attributes are not supported
      if ( typeof elem.getAttribute === "undefined" ) {
        return jQuery.prop( elem, name, value );
      }
  
      // All attributes are lowercase
      // Grab necessary hook if one is defined
      if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
        name = name.toLowerCase();
        hooks = jQuery.attrHooks[ name ] ||
          ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
      }
  
      if ( value !== undefined ) {
        if ( value === null ) {
          jQuery.removeAttr( elem, name );
          return;
        }
  
        if ( hooks && "set" in hooks &&
          ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
          return ret;
        }
  
        elem.setAttribute( name, value + "" );
        return value;
      }
  
      if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
        return ret;
      }
  
      ret = jQuery.find.attr( elem, name );
  
      // Non-existent attributes return null, we normalize to undefined
      return ret == null ? undefined : ret;
    },
  
    attrHooks: {
      type: {
        set: function( elem, value ) {
          if ( !support.radioValue && value === "radio" &&
            jQuery.nodeName( elem, "input" ) ) {
            var val = elem.value;
            elem.setAttribute( "type", value );
            if ( val ) {
              elem.value = val;
            }
            return value;
          }
        }
      }
    },
  
    removeAttr: function( elem, value ) {
      var name, propName,
        i = 0,
        attrNames = value && value.match( rnotwhite );
  
      if ( attrNames && elem.nodeType === 1 ) {
        while ( ( name = attrNames[ i++ ] ) ) {
          propName = jQuery.propFix[ name ] || name;
  
          // Boolean attributes get special treatment (#10870)
          if ( jQuery.expr.match.bool.test( name ) ) {
  
            // Set corresponding property to false
            elem[ propName ] = false;
          }
  
          elem.removeAttribute( name );
        }
      }
    }
  } );
  
  // Hooks for boolean attributes
  boolHook = {
    set: function( elem, value, name ) {
      if ( value === false ) {
  
        // Remove boolean attributes when set to false
        jQuery.removeAttr( elem, name );
      } else {
        elem.setAttribute( name, name );
      }
      return name;
    }
  };
  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
    var getter = attrHandle[ name ] || jQuery.find.attr;
  
    attrHandle[ name ] = function( elem, name, isXML ) {
      var ret, handle;
      if ( !isXML ) {
  
        // Avoid an infinite loop by temporarily removing this function from the getter
        handle = attrHandle[ name ];
        attrHandle[ name ] = ret;
        ret = getter( elem, name, isXML ) != null ?
          name.toLowerCase() :
          null;
        attrHandle[ name ] = handle;
      }
      return ret;
    };
  } );
  
  
  
  
  var rfocusable = /^(?:input|select|textarea|button)$/i,
    rclickable = /^(?:a|area)$/i;
  
  jQuery.fn.extend( {
    prop: function( name, value ) {
      return access( this, jQuery.prop, name, value, arguments.length > 1 );
    },
  
    removeProp: function( name ) {
      return this.each( function() {
        delete this[ jQuery.propFix[ name ] || name ];
      } );
    }
  } );
  
  jQuery.extend( {
    prop: function( elem, name, value ) {
      var ret, hooks,
        nType = elem.nodeType;
  
      // Don't get/set properties on text, comment and attribute nodes
      if ( nType === 3 || nType === 8 || nType === 2 ) {
        return;
      }
  
      if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  
        // 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;
        }
  
        return ( elem[ name ] = value );
      }
  
      if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
        return ret;
      }
  
      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/
          // Use proper attribute retrieval(#12072)
          var tabindex = jQuery.find.attr( elem, "tabindex" );
  
          return tabindex ?
            parseInt( tabindex, 10 ) :
            rfocusable.test( elem.nodeName ) ||
              rclickable.test( elem.nodeName ) && elem.href ?
                0 :
                -1;
        }
      }
    },
  
    propFix: {
      "for": "htmlFor",
      "class": "className"
    }
  } );
  
  if ( !support.optSelected ) {
    jQuery.propHooks.selected = {
      get: function( elem ) {
        var parent = elem.parentNode;
        if ( parent && parent.parentNode ) {
          parent.parentNode.selectedIndex;
        }
        return null;
      }
    };
  }
  
  jQuery.each( [
    "tabIndex",
    "readOnly",
    "maxLength",
    "cellSpacing",
    "cellPadding",
    "rowSpan",
    "colSpan",
    "useMap",
    "frameBorder",
    "contentEditable"
  ], function() {
    jQuery.propFix[ this.toLowerCase() ] = this;
  } );
  
  
  
  
  var rclass = /[\t\r\n\f]/g;
  
  function getClass( elem ) {
    return elem.getAttribute && elem.getAttribute( "class" ) || "";
  }
  
  jQuery.fn.extend( {
    addClass: function( value ) {
      var classes, elem, cur, curValue, clazz, j, finalValue,
        i = 0;
  
      if ( jQuery.isFunction( value ) ) {
        return this.each( function( j ) {
          jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
        } );
      }
  
      if ( typeof value === "string" && value ) {
        classes = value.match( rnotwhite ) || [];
  
        while ( ( elem = this[ i++ ] ) ) {
          curValue = getClass( elem );
          cur = elem.nodeType === 1 &&
            ( " " + curValue + " " ).replace( rclass, " " );
  
          if ( cur ) {
            j = 0;
            while ( ( clazz = classes[ j++ ] ) ) {
              if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                cur += clazz + " ";
              }
            }
  
            // Only assign if different to avoid unneeded rendering.
            finalValue = jQuery.trim( cur );
            if ( curValue !== finalValue ) {
              elem.setAttribute( "class", finalValue );
            }
          }
        }
      }
  
      return this;
    },
  
    removeClass: function( value ) {
      var classes, elem, cur, curValue, clazz, j, finalValue,
        i = 0;
  
      if ( jQuery.isFunction( value ) ) {
        return this.each( function( j ) {
          jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
        } );
      }
  
      if ( !arguments.length ) {
        return this.attr( "class", "" );
      }
  
      if ( typeof value === "string" && value ) {
        classes = value.match( rnotwhite ) || [];
  
        while ( ( elem = this[ i++ ] ) ) {
          curValue = getClass( elem );
  
          // This expression is here for better compressibility (see addClass)
          cur = elem.nodeType === 1 &&
            ( " " + curValue + " " ).replace( rclass, " " );
  
          if ( cur ) {
            j = 0;
            while ( ( clazz = classes[ j++ ] ) ) {
  
              // Remove *all* instances
              while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
                cur = cur.replace( " " + clazz + " ", " " );
              }
            }
  
            // Only assign if different to avoid unneeded rendering.
            finalValue = jQuery.trim( cur );
            if ( curValue !== finalValue ) {
              elem.setAttribute( "class", finalValue );
            }
          }
        }
      }
  
      return this;
    },
  
    toggleClass: function( value, stateVal ) {
      var type = typeof value;
  
      if ( typeof stateVal === "boolean" && type === "string" ) {
        return stateVal ? this.addClass( value ) : this.removeClass( value );
      }
  
      if ( jQuery.isFunction( value ) ) {
        return this.each( function( i ) {
          jQuery( this ).toggleClass(
            value.call( this, i, getClass( this ), stateVal ),
            stateVal
          );
        } );
      }
  
      return this.each( function() {
        var className, i, self, classNames;
  
        if ( type === "string" ) {
  
          // Toggle individual class names
          i = 0;
          self = jQuery( this );
          classNames = value.match( rnotwhite ) || [];
  
          while ( ( className = classNames[ i++ ] ) ) {
  
            // Check each className given, space separated list
            if ( self.hasClass( className ) ) {
              self.removeClass( className );
            } else {
              self.addClass( className );
            }
          }
  
        // Toggle whole class name
        } else if ( value === undefined || type === "boolean" ) {
          className = getClass( this );
          if ( className ) {
  
            // Store className if set
            dataPriv.set( this, "__className__", 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.
          if ( this.setAttribute ) {
            this.setAttribute( "class",
              className || value === false ?
              "" :
              dataPriv.get( this, "__className__" ) || ""
            );
          }
        }
      } );
    },
  
    hasClass: function( selector ) {
      var className, elem,
        i = 0;
  
      className = " " + selector + " ";
      while ( ( elem = this[ i++ ] ) ) {
        if ( elem.nodeType === 1 &&
          ( " " + getClass( elem ) + " " ).replace( rclass, " " )
            .indexOf( className ) > -1
        ) {
          return true;
        }
      }
  
      return false;
    }
  } );
  
  
  
  
  var rreturn = /\r/g;
  
  jQuery.fn.extend( {
    val: function( value ) {
      var hooks, ret, isFunction,
        elem = this[ 0 ];
  
      if ( !arguments.length ) {
        if ( elem ) {
          hooks = jQuery.valHooks[ elem.type ] ||
            jQuery.valHooks[ elem.nodeName.toLowerCase() ];
  
          if ( hooks &&
            "get" in hooks &&
            ( ret = hooks.get( elem, "value" ) ) !== undefined
          ) {
            return ret;
          }
  
          ret = elem.value;
  
          return typeof ret === "string" ?
  
            // Handle most common string cases
            ret.replace( rreturn, "" ) :
  
            // Handle cases where value is null/undef or number
            ret == null ? "" : ret;
        }
  
        return;
      }
  
      isFunction = jQuery.isFunction( value );
  
      return this.each( function( i ) {
        var val;
  
        if ( this.nodeType !== 1 ) {
          return;
        }
  
        if ( isFunction ) {
          val = value.call( this, i, jQuery( this ).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 ) {
  
          // Support: IE<11
          // option.value not trimmed (#14858)
          return jQuery.trim( elem.value );
        }
      },
      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 ];
  
            // IE8-9 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
                ( 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 optionSet, option,
            options = elem.options,
            values = jQuery.makeArray( value ),
            i = options.length;
  
          while ( i-- ) {
            option = options[ i ];
            if ( option.selected =
                jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
            ) {
              optionSet = true;
            }
          }
  
          // Force browsers to behave consistently when non-matching value is set
          if ( !optionSet ) {
            elem.selectedIndex = -1;
          }
          return values;
        }
      }
    }
  } );
  
  // Radios and checkboxes getter/setter
  jQuery.each( [ "radio", "checkbox" ], function() {
    jQuery.valHooks[ this ] = {
      set: function( elem, value ) {
        if ( jQuery.isArray( value ) ) {
          return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
        }
      }
    };
    if ( !support.checkOn ) {
      jQuery.valHooks[ this ].get = function( elem ) {
        return elem.getAttribute( "value" ) === null ? "on" : elem.value;
      };
    }
  } );
  
  
  
  
  // Return jQuery for attributes-only inclusion
  
  
  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
  
  jQuery.extend( jQuery.event, {
  
    trigger: function( event, data, elem, onlyHandlers ) {
  
      var i, cur, tmp, bubbleType, ontype, handle, special,
        eventPath = [ elem || document ],
        type = hasOwn.call( event, "type" ) ? event.type : event,
        namespaces = 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( "." ) > -1 ) {
  
        // 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 );
  
      // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
      event.isTrigger = onlyHandlers ? 2 : 3;
      event.namespace = namespaces.join( "." );
      event.rnamespace = 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 = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
          dataPriv.get( cur, "handle" );
        if ( handle ) {
          handle.apply( cur, data );
        }
  
        // Native handler
        handle = ontype && cur[ ontype ];
        if ( handle && handle.apply && acceptData( cur ) ) {
          event.result = handle.apply( cur, data );
          if ( event.result === 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( eventPath.pop(), data ) === false ) &&
          acceptData( elem ) ) {
  
          // Call a native DOM method on the target with the same name name as the event.
          // Don't do default actions on window, that's where global variables be (#6170)
          if ( ontype && jQuery.isFunction( 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;
            elem[ type ]();
            jQuery.event.triggered = undefined;
  
            if ( tmp ) {
              elem[ ontype ] = tmp;
            }
          }
        }
      }
  
      return event.result;
    },
  
    // Piggyback on a donor event to simulate a different one
    simulate: function( type, elem, event ) {
      var e = jQuery.extend(
        new jQuery.Event(),
        event,
        {
          type: type,
          isSimulated: true
  
          // Previously, `originalEvent: {}` was set here, so stopPropagation call
          // would not be triggered on donor event, since in our own
          // jQuery.event.stopPropagation function we had a check for existence of
          // originalEvent.stopPropagation method, so, consequently it would be a noop.
          //
          // But now, this "simulate" function is used only for events
          // for which stopPropagation() is noop, so there is no need for that anymore.
          //
          // For the compat branch though, guard for "click" and "submit"
          // events is still used, but was moved to jQuery.event.stopPropagation function
          // because `originalEvent` should point to the original event for the constancy
          // with other events and for more focused logic
        }
      );
  
      jQuery.event.trigger( e, null, elem );
  
      if ( e.isDefaultPrevented() ) {
        event.preventDefault();
      }
    }
  
  } );
  
  jQuery.fn.extend( {
  
    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 );
      }
    }
  } );
  
  
  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.extend( {
    hover: function( fnOver, fnOut ) {
      return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
    }
  } );
  
  
  
  
  support.focusin = "onfocusin" in window;
  
  
  // Support: Firefox
  // Firefox doesn't have focus(in | out) events
  // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
  //
  // Support: Chrome, Safari
  // focus(in | out) events fire after focus & blur events,
  // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
  // Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857
  if ( !support.focusin ) {
    jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
  
      // Attach a single capturing handler on the document while someone wants focusin/focusout
      var handler = function( event ) {
        jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
      };
  
      jQuery.event.special[ fix ] = {
        setup: function() {
          var doc = this.ownerDocument || this,
            attaches = dataPriv.access( doc, fix );
  
          if ( !attaches ) {
            doc.addEventListener( orig, handler, true );
          }
          dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
        },
        teardown: function() {
          var doc = this.ownerDocument || this,
            attaches = dataPriv.access( doc, fix ) - 1;
  
          if ( !attaches ) {
            doc.removeEventListener( orig, handler, true );
            dataPriv.remove( doc, fix );
  
          } else {
            dataPriv.access( doc, fix, attaches );
          }
        }
      };
    } );
  }
  var location = window.location;
  
  var nonce = jQuery.now();
  
  var rquery = ( /\?/ );
  
  
  
  // Support: Android 2.3
  // Workaround failure to string-cast null input
  jQuery.parseJSON = function( data ) {
    return JSON.parse( data + "" );
  };
  
  
  // Cross-browser xml parsing
  jQuery.parseXML = function( data ) {
    var xml;
    if ( !data || typeof data !== "string" ) {
      return null;
    }
  
    // Support: IE9
    try {
      xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
    } catch ( e ) {
      xml = undefined;
    }
  
    if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
      jQuery.error( "Invalid XML: " + data );
    }
    return xml;
  };
  
  
  var
    rhash = /#.*$/,
    rts = /([?&])_=[^&]*/,
    rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
  
    // #7653, #8125, #8152: local protocol detection
    rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
    rnoContent = /^(?:GET|HEAD)$/,
    rprotocol = /^\/\//,
  
    /* 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( "*" ),
  
    // Anchor tag for parsing the document origin
    originAnchor = document.createElement( "a" );
    originAnchor.href = location.href;
  
  // 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( 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 key, deep,
      flatOptions = jQuery.ajaxSettings.flatOptions || {};
  
    for ( key in src ) {
      if ( src[ key ] !== undefined ) {
        ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
      }
    }
    if ( deep ) {
      jQuery.extend( true, target, deep );
    }
  
    return target;
  }
  
  /* Handles responses to an ajax request:
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */
  function ajaxHandleResponses( s, jqXHR, responses ) {
  
    var ct, type, finalDataType, firstDataType,
      contents = s.contents,
      dataTypes = s.dataTypes;
  
    // 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
   * Also sets the responseXXX fields on the jqXHR instance
   */
  function ajaxConvert( s, response, jqXHR, isSuccess ) {
    var conv2, current, conv, tmp, prev,
      converters = {},
  
      // Work with a copy of dataTypes in case we need to modify it for conversion
      dataTypes = s.dataTypes.slice();
  
    // Create converters map with lowercased keys
    if ( dataTypes[ 1 ] ) {
      for ( conv in s.converters ) {
        converters[ conv.toLowerCase() ] = s.converters[ conv ];
      }
    }
  
    current = dataTypes.shift();
  
    // Convert to each sequential dataType
    while ( current ) {
  
      if ( s.responseFields[ current ] ) {
        jqXHR[ s.responseFields[ current ] ] = response;
      }
  
      // Apply the dataFilter if provided
      if ( !prev && isSuccess && s.dataFilter ) {
        response = s.dataFilter( response, s.dataType );
      }
  
      prev = current;
      current = dataTypes.shift();
  
      if ( current ) {
  
      // There's only work to do if current dataType is non-auto
        if ( current === "*" ) {
  
          current = prev;
  
        // Convert response if prev dataType is non-auto and differs from current
        } else 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.unshift( tmp[ 1 ] );
                  }
                  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
                };
              }
            }
          }
        }
      }
    }
  
    return { state: "success", data: response };
  }
  
  jQuery.extend( {
  
    // Counter for holding the number of active queries
    active: 0,
  
    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},
  
    ajaxSettings: {
      url: location.href,
      type: "GET",
      isLocal: rlocalProtocol.test( location.protocol ),
      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: /\bxml\b/,
        html: /\bhtml/,
        json: /\bjson\b/
      },
  
      responseFields: {
        xml: "responseXML",
        text: "responseText",
        json: "responseJSON"
      },
  
      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {
  
        // Convert anything to text
        "* text": 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 transport,
  
        // URL without anti-cache param
        cacheURL,
  
        // Response headers
        responseHeadersString,
        responseHeaders,
  
        // timeout handle
        timeoutTimer,
  
        // Url cleanup var
        urlAnchor,
  
        // To know if global events are to be dispatched
        fireGlobals,
  
        // Loop variable
        i,
  
        // Create the final options object
        s = jQuery.ajaxSetup( {}, options ),
  
        // Callbacks context
        callbackContext = s.context || s,
  
        // Context for global events 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 (prefilters might expect it)
      // 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 || location.href ) + "" ).replace( rhash, "" )
        .replace( rprotocol, location.protocol + "//" );
  
      // 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( rnotwhite ) || [ "" ];
  
      // A cross-domain request is in order when the origin doesn't match the current origin.
      if ( s.crossDomain == null ) {
        urlAnchor = document.createElement( "a" );
  
        // Support: IE8-11+
        // IE throws exception if url is malformed, e.g. http://example.com:80x/
        try {
          urlAnchor.href = s.url;
  
          // Support: IE8-11+
          // Anchor's host property isn't correctly set when s.url is relative
          urlAnchor.href = urlAnchor.href;
          s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
            urlAnchor.protocol + "//" + urlAnchor.host;
        } catch ( e ) {
  
          // If there is an error parsing the URL, assume it is crossDomain,
          // it can be rejected by the transport if it is invalid
          s.crossDomain = true;
        }
      }
  
      // 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
      // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
      fireGlobals = jQuery.event && 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 += ( 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_=" + nonce++ ) :
  
            // Otherwise add one to the end
            cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + 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 ] );
        }
  
        // If request was aborted inside ajaxSend, stop there
        if ( state === 2 ) {
          return jqXHR;
        }
  
        // Timeout
        if ( s.async && s.timeout > 0 ) {
          timeoutTimer = window.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 ) {
          window.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;
  
        // Determine if successful
        isSuccess = status >= 200 && status < 300 || status === 304;
  
        // Get response data
        if ( responses ) {
          response = ajaxHandleResponses( s, jqXHR, responses );
        }
  
        // Convert no matter what (that way responseXXX fields are always set)
        response = ajaxConvert( s, response, jqXHR, isSuccess );
  
        // If successful, handle type chaining
        if ( isSuccess ) {
  
          // 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 || s.type === "HEAD" ) {
            statusText = "nocontent";
  
          // if not modified
          } else if ( status === 304 ) {
            statusText = "notmodified";
  
          // If we have data, let's convert it
          } else {
            statusText = response.state;
            success = response.data;
            error = response.error;
            isSuccess = !error;
          }
        } else {
  
          // Extract error from statusText and normalize 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;
    },
  
    getJSON: function( url, data, callback ) {
      return jQuery.get( url, data, callback, "json" );
    },
  
    getScript: function( url, callback ) {
      return jQuery.get( url, undefined, callback, "script" );
    }
  } );
  
  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;
      }
  
      // The url can be an options object (which then must have .url)
      return jQuery.ajax( jQuery.extend( {
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      }, jQuery.isPlainObject( url ) && url ) );
    };
  } );
  
  
  jQuery._evalUrl = function( url ) {
    return jQuery.ajax( {
      url: url,
  
      // Make this explicit, since user can override this through ajaxSetup (#11264)
      type: "GET",
      dataType: "script",
      async: false,
      global: false,
      "throws": true
    } );
  };
  
  
  jQuery.fn.extend( {
    wrapAll: function( html ) {
      var wrap;
  
      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
        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.firstElementChild ) {
            elem = elem.firstElementChild;
          }
  
          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();
    }
  } );
  
  
  jQuery.expr.filters.hidden = function( elem ) {
    return !jQuery.expr.filters.visible( elem );
  };
  jQuery.expr.filters.visible = function( elem ) {
  
    // Support: Opera <= 12.12
    // Opera reports offsetWidths and offsetHeights less than zero on some elements
    // Use OR instead of AND as the element is not visible if either is true
    // See tickets #10406 and #13132
    return elem.offsetWidth > 0 || elem.offsetHeight > 0 || elem.getClientRects().length > 0;
  };
  
  
  
  
  var r20 = /%20/g,
    rbracket = /\[\]$/,
    rCRLF = /\r?\n/g,
    rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
    rsubmittable = /^(?:input|select|textarea|keygen)/i;
  
  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" && v != null ? 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 );
    }
  }
  
  // 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, "+" );
  };
  
  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 || !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();
    }
  } );
  
  
  jQuery.ajaxSettings.xhr = function() {
    try {
      return new window.XMLHttpRequest();
    } catch ( e ) {}
  };
  
  var xhrSuccessStatus = {
  
      // File protocol always yields status code 0, assume 200
      0: 200,
  
      // Support: IE9
      // #1450: sometimes IE returns 1223 when it should be 204
      1223: 204
    },
    xhrSupported = jQuery.ajaxSettings.xhr();
  
  support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  support.ajax = xhrSupported = !!xhrSupported;
  
  jQuery.ajaxTransport( function( options ) {
    var callback, errorCallback;
  
    // Cross domain only allowed if supported through XMLHttpRequest
    if ( support.cors || xhrSupported && !options.crossDomain ) {
      return {
        send: function( headers, complete ) {
          var i,
            xhr = options.xhr();
  
          xhr.open(
            options.type,
            options.url,
            options.async,
            options.username,
            options.password
          );
  
          // Apply custom fields if provided
          if ( options.xhrFields ) {
            for ( i in options.xhrFields ) {
              xhr[ i ] = options.xhrFields[ i ];
            }
          }
  
          // Override mime type if needed
          if ( options.mimeType && xhr.overrideMimeType ) {
            xhr.overrideMimeType( options.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 ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
            headers[ "X-Requested-With" ] = "XMLHttpRequest";
          }
  
          // Set headers
          for ( i in headers ) {
            xhr.setRequestHeader( i, headers[ i ] );
          }
  
          // Callback
          callback = function( type ) {
            return function() {
              if ( callback ) {
                callback = errorCallback = xhr.onload =
                  xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
  
                if ( type === "abort" ) {
                  xhr.abort();
                } else if ( type === "error" ) {
  
                  // Support: IE9
                  // On a manual native abort, IE9 throws
                  // errors on any property access that is not readyState
                  if ( typeof xhr.status !== "number" ) {
                    complete( 0, "error" );
                  } else {
                    complete(
  
                      // File: protocol always yields status 0; see #8605, #14207
                      xhr.status,
                      xhr.statusText
                    );
                  }
                } else {
                  complete(
                    xhrSuccessStatus[ xhr.status ] || xhr.status,
                    xhr.statusText,
  
                    // Support: IE9 only
                    // IE9 has no XHR2 but throws on binary (trac-11426)
                    // For XHR2 non-text, let the caller handle it (gh-2498)
                    ( xhr.responseType || "text" ) !== "text"  ||
                    typeof xhr.responseText !== "string" ?
                      { binary: xhr.response } :
                      { text: xhr.responseText },
                    xhr.getAllResponseHeaders()
                  );
                }
              }
            };
          };
  
          // Listen to events
          xhr.onload = callback();
          errorCallback = xhr.onerror = callback( "error" );
  
          // Support: IE9
          // Use onreadystatechange to replace onabort
          // to handle uncaught aborts
          if ( xhr.onabort !== undefined ) {
            xhr.onabort = errorCallback;
          } else {
            xhr.onreadystatechange = function() {
  
              // Check readyState before timeout as it changes
              if ( xhr.readyState === 4 ) {
  
                // Allow onerror to be called first,
                // but that will not handle a native abort
                // Also, save errorCallback to a variable
                // as xhr.onerror cannot be accessed
                window.setTimeout( function() {
                  if ( callback ) {
                    errorCallback();
                  }
                } );
              }
            };
          }
  
          // Create the abort callback
          callback = callback( "abort" );
  
          try {
  
            // Do send the request (this may raise an exception)
            xhr.send( options.hasContent && options.data || null );
          } catch ( e ) {
  
            // #14683: Only rethrow if this hasn't been notified as an error yet
            if ( callback ) {
              throw e;
            }
          }
        },
  
        abort: function() {
          if ( callback ) {
            callback();
          }
        }
      };
    }
  } );
  
  
  
  
  // Install script dataType
  jQuery.ajaxSetup( {
    accepts: {
      script: "text/javascript, application/javascript, " +
        "application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /\b(?:java|ecma)script\b/
    },
    converters: {
      "text script": function( text ) {
        jQuery.globalEval( text );
        return text;
      }
    }
  } );
  
  // Handle cache's special case and crossDomain
  jQuery.ajaxPrefilter( "script", function( s ) {
    if ( s.cache === undefined ) {
      s.cache = false;
    }
    if ( s.crossDomain ) {
      s.type = "GET";
    }
  } );
  
  // Bind script tag hack transport
  jQuery.ajaxTransport( "script", function( s ) {
  
    // This transport only deals with cross domain requests
    if ( s.crossDomain ) {
      var script, callback;
      return {
        send: function( _, complete ) {
          script = jQuery( "<script>" ).prop( {
            charset: s.scriptCharset,
            src: s.url
          } ).on(
            "load error",
            callback = function( evt ) {
              script.remove();
              callback = null;
              if ( evt ) {
                complete( evt.type === "error" ? 404 : 200, evt.type );
              }
            }
          );
  
          // Use native DOM manipulation to avoid our domManip AJAX trickery
          document.head.appendChild( script[ 0 ] );
        },
        abort: function() {
          if ( callback ) {
            callback();
          }
        }
      };
    }
  } );
  
  
  
  
  var oldCallbacks = [],
    rjsonp = /(=)\?(?=&|$)|\?\?/;
  
  // Default jsonp settings
  jQuery.ajaxSetup( {
    jsonp: "callback",
    jsonpCallback: function() {
      var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
      this[ callback ] = true;
      return callback;
    }
  } );
  
  // Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
  
    var callbackName, overwritten, responseContainer,
      jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
        "url" :
        typeof s.data === "string" &&
          ( s.contentType || "" )
            .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
          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 += ( 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() {
  
        // If previous value didn't exist - remove it
        if ( overwritten === undefined ) {
          jQuery( window ).removeProp( callbackName );
  
        // Otherwise restore preexisting value
        } else {
          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";
    }
  } );
  
  
  
  
  // Support: Safari 8+
  // In Safari 8 documents created via document.implementation.createHTMLDocument
  // collapse sibling forms: the second one becomes a child of the first one.
  // Because of that, this security measure has to be disabled in Safari 8.
  // https://bugs.webkit.org/show_bug.cgi?id=137337
  support.createHTMLDocument = ( function() {
    var body = document.implementation.createHTMLDocument( "" ).body;
    body.innerHTML = "<form></form><form></form>";
    return body.childNodes.length === 2;
  } )();
  
  
  // Argument "data" should be 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
  jQuery.parseHTML = function( data, context, keepScripts ) {
    if ( !data || typeof data !== "string" ) {
      return null;
    }
    if ( typeof context === "boolean" ) {
      keepScripts = context;
      context = false;
    }
  
    // Stop scripts or inline event handlers from being executed immediately
    // by using document.implementation
    context = context || ( support.createHTMLDocument ?
      document.implementation.createHTMLDocument( "" ) :
      document );
  
    var parsed = rsingleTag.exec( data ),
      scripts = !keepScripts && [];
  
    // Single tag
    if ( parsed ) {
      return [ context.createElement( parsed[ 1 ] ) ];
    }
  
    parsed = buildFragment( [ data ], context, scripts );
  
    if ( scripts && scripts.length ) {
      jQuery( scripts ).remove();
    }
  
    return jQuery.merge( [], parsed.childNodes );
  };
  
  
  // Keep a copy of the old load method
  var _load = jQuery.fn.load;
  
  /**
   * Load a url into a page
   */
  jQuery.fn.load = function( url, params, callback ) {
    if ( typeof url !== "string" && _load ) {
      return _load.apply( this, arguments );
    }
  
    var selector, type, response,
      self = this,
      off = url.indexOf( " " );
  
    if ( off > -1 ) {
      selector = jQuery.trim( url.slice( off ) );
      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.
        // Make value of this field explicit since
        // user can override it through ajaxSetup method
        type: type || "GET",
        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 );
  
      // If the request succeeds, this function gets "data", "status", "jqXHR"
      // but they are ignored because response was set above.
      // If it fails, this function gets "jqXHR", "status", "error"
      } ).always( callback && function( jqXHR, status ) {
        self.each( function() {
          callback.apply( self, 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.expr.filters.animated = function( elem ) {
    return jQuery.grep( jQuery.timers, function( fn ) {
      return elem === fn.elem;
    } ).length;
  };
  
  
  
  
  /**
   * Gets a window from an element
   */
  function getWindow( elem ) {
    return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
  }
  
  jQuery.offset = {
    setOffset: function( elem, options, i ) {
      var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
        position = jQuery.css( elem, "position" ),
        curElem = jQuery( elem ),
        props = {};
  
      // Set position first, in-case top/left are set even on static elem
      if ( position === "static" ) {
        elem.style.position = "relative";
      }
  
      curOffset = curElem.offset();
      curCSSTop = jQuery.css( elem, "top" );
      curCSSLeft = jQuery.css( elem, "left" );
      calculatePosition = ( position === "absolute" || position === "fixed" ) &&
        ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
  
      // 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 ) ) {
  
        // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
        options = options.call( elem, i, jQuery.extend( {}, 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( {
    offset: function( options ) {
      if ( arguments.length ) {
        return options === undefined ?
          this :
          this.each( function( i ) {
            jQuery.offset.setOffset( this, options, i );
          } );
      }
  
      var docElem, win,
        elem = this[ 0 ],
        box = { top: 0, left: 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;
      }
  
      box = elem.getBoundingClientRect();
      win = getWindow( doc );
      return {
        top: box.top + win.pageYOffset - docElem.clientTop,
        left: box.left + win.pageXOffset - docElem.clientLeft
      };
    },
  
    position: function() {
      if ( !this[ 0 ] ) {
        return;
      }
  
      var offsetParent, offset,
        elem = this[ 0 ],
        parentOffset = { top: 0, left: 0 };
  
      // Fixed elements are offset from window (parentOffset = {top:0, left: 0},
      // because it is its only offset parent
      if ( jQuery.css( elem, "position" ) === "fixed" ) {
  
        // Assume getBoundingClientRect is there 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
        // Subtract offsetParent scroll positions
        parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ) -
          offsetParent.scrollTop();
        parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ) -
          offsetParent.scrollLeft();
      }
  
      // Subtract parent offsets and element margins
      return {
        top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
        left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
      };
    },
  
    // This method will return documentElement in the following cases:
    // 1) For the element inside the iframe without offsetParent, this method will return
    //    documentElement of the parent window
    // 2) For the hidden or detached element
    // 3) For body or html element, i.e. in case of the html node - it will return itself
    //
    // but those exceptions were never presented as a real life use-cases
    // and might be considered as more preferable results.
    //
    // This logic, however, is not guaranteed and can change at any point in the future
    offsetParent: function() {
      return this.map( function() {
        var offsetParent = this.offsetParent;
  
        while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
          offsetParent = offsetParent.offsetParent;
        }
  
        return offsetParent || documentElement;
      } );
    }
  } );
  
  // Create scrollLeft and scrollTop methods
  jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
    var top = "pageYOffset" === prop;
  
    jQuery.fn[ method ] = function( val ) {
      return access( this, function( elem, method, val ) {
        var win = getWindow( elem );
  
        if ( val === undefined ) {
          return win ? win[ prop ] : elem[ method ];
        }
  
        if ( win ) {
          win.scrollTo(
            !top ? val : win.pageXOffset,
            top ? val : win.pageYOffset
          );
  
        } else {
          elem[ method ] = val;
        }
      }, method, val, arguments.length );
    };
  } );
  
  // Support: Safari<7-8+, Chrome<37-44+
  // Add the top/left cssHooks using jQuery.fn.position
  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
  // Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280
  // getComputedStyle returns percent when specified for top/left/bottom/right;
  // rather than make the css module depend on the offset module, just check for it here
  jQuery.each( [ "top", "left" ], function( i, prop ) {
    jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
      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;
        }
      }
    );
  } );
  
  
  // 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 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
            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 );
      };
    } );
  } );
  
  
  jQuery.fn.extend( {
  
    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 );
    },
    size: function() {
      return this.length;
    }
  } );
  
  jQuery.fn.andSelf = jQuery.fn.addBack;
  
  
  
  
  // Register as a named AMD module, since jQuery can be concatenated with other
  // files that may use define, but not via 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.
  
  // Note that for maximum portability, libraries that are not jQuery should
  // declare themselves as anonymous modules, and avoid setting a global if an
  // AMD loader is present. jQuery is a special case. For more information, see
  // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
  
  if ( typeof define === "function" && define.amd ) {
    define( "jquery", [], function() {
      return jQuery;
    } );
  }
  
  
  
  var
  
    // Map over jQuery in case of overwrite
    _jQuery = window.jQuery,
  
    // Map over the $ in case of overwrite
    _$ = window.$;
  
  jQuery.noConflict = function( deep ) {
    if ( window.$ === jQuery ) {
      window.$ = _$;
    }
  
    if ( deep && window.jQuery === jQuery ) {
      window.jQuery = _jQuery;
    }
  
    return jQuery;
  };
  
  // Expose jQuery and $ identifiers, even in AMD
  // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
  // and CommonJS for browser emulators (#13566)
  if ( !noGlobal ) {
    window.jQuery = window.$ = jQuery;
  }
  
  return jQuery;
  }));
  
  
  /*
  Copyright 2008-2013 Concur Technologies, Inc.
  
  Licensed under the Apache License, Version 2.0 (the "License"); you may
  not use this file except in compliance with the License. You may obtain
  a copy of the License at
  
    http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  License for the specific language governing permissions and limitations
  under the License.
  */
  
  (function (global) {
    'use strict';
  
    var languages = [];
  
    global.setupLanguages = setupLanguages;
    global.activateLanguage = activateLanguage;
  
    function activateLanguage(language) {
      if (!language) return;
      if (language === "") return;
  
      $(".lang-selector a").removeClass('active');
      $(".lang-selector a[data-language-name='" + language + "']").addClass('active');
      for (var i=0; i < languages.length; i++) {
        $(".highlight." + languages[i]).hide();
        $(".lang-specific." + languages[i]).hide();
      }
      $(".highlight." + language).show();
      $(".lang-specific." + language).show();
  
      global.toc.calculateHeights();
  
      // scroll to the new location of the position
      if ($(window.location.hash).get(0)) {
        $(window.location.hash).get(0).scrollIntoView(true);
      }
    }
  
    // parseURL and stringifyURL are from https://github.com/sindresorhus/query-string
    // MIT licensed
    // https://github.com/sindresorhus/query-string/blob/7bee64c16f2da1a326579e96977b9227bf6da9e6/license
    function parseURL(str) {
      if (typeof str !== 'string') {
        return {};
      }
  
      str = str.trim().replace(/^(\?|#|&)/, '');
  
      if (!str) {
        return {};
      }
  
      return str.split('&').reduce(function (ret, param) {
        var parts = param.replace(/\+/g, ' ').split('=');
        var key = parts[0];
        var val = parts[1];
  
        key = decodeURIComponent(key);
        // missing `=` should be `null`:
        // http://w3.org/TR/2012/WD-url-20120524/#collect-url-parameters
        val = val === undefined ? null : decodeURIComponent(val);
  
        if (!ret.hasOwnProperty(key)) {
          ret[key] = val;
        } else if (Array.isArray(ret[key])) {
          ret[key].push(val);
        } else {
          ret[key] = [ret[key], val];
        }
  
        return ret;
      }, {});
    };
  
    function stringifyURL(obj) {
      return obj ? Object.keys(obj).sort().map(function (key) {
        var val = obj[key];
  
        if (Array.isArray(val)) {
          return val.sort().map(function (val2) {
            return encodeURIComponent(key) + '=' + encodeURIComponent(val2);
          }).join('&');
        }
  
        return encodeURIComponent(key) + '=' + encodeURIComponent(val);
      }).join('&') : '';
    };
  
    // gets the language set in the query string
    function getLanguageFromQueryString() {
      if (location.search.length >= 1) {
        var language = parseURL(location.search).language
        if (language) {
          return language;
        } else if (jQuery.inArray(location.search.substr(1), languages) != -1) {
          return location.search.substr(1);
        }
      }
  
      return false;
    }
  
    // returns a new query string with the new language in it
    function generateNewQueryString(language) {
      var url = parseURL(location.search);
      if (url.language) {
        url.language = language;
        return stringifyURL(url);
      }
      return language;
    }
  
    // if a button is clicked, add the state to the history
    function pushURL(language) {
      if (!history) { return; }
      var hash = window.location.hash;
      if (hash) {
        hash = hash.replace(/^#+/, '');
      }
      history.pushState({}, '', '?' + generateNewQueryString(language) + '#' + hash);
  
      // save language as next default
      localStorage.setItem("language", language);
    }
  
    function setupLanguages(l) {
      var defaultLanguage = localStorage.getItem("language");
  
      languages = l;
  
      var presetLanguage = getLanguageFromQueryString();
      if (presetLanguage) {
        // the language is in the URL, so use that language!
        activateLanguage(presetLanguage);
  
        localStorage.setItem("language", presetLanguage);
      } else if ((defaultLanguage !== null) && (jQuery.inArray(defaultLanguage, languages) != -1)) {
        // the language was the last selected one saved in localstorage, so use that language!
        activateLanguage(defaultLanguage);
      } else {
        // no language selected, so use the default
        activateLanguage(languages[0]);
      }
    }
  
    // if we click on a language tab, activate that language
    $(function() {
      $(".lang-selector a").on("click", function() {
        var language = $(this).data("language-name");
        pushURL(language);
        activateLanguage(language);
        return false;
      });
      window.onpopstate = function() {
        activateLanguage(getLanguageFromQueryString());
      };
    });
  })(window);
  /**
   * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 0.5.7
   * Copyright (C) 2014 Oliver Nightingale
   * MIT Licensed
   * @license
   */
  
  
  (function(){
  
    /**
     * Convenience function for instantiating a new lunr index and configuring it
     * with the default pipeline functions and the passed config function.
     *
     * When using this convenience function a new index will be created with the
     * following functions already in the pipeline:
     *
     * lunr.StopWordFilter - filters out any stop words before they enter the
     * index
     *
     * lunr.stemmer - stems the tokens before entering the index.
     *
     * Example:
     *
     *     var idx = lunr(function () {
   *       this.field('title', 10)
   *       this.field('tags', 100)
   *       this.field('body')
   *
   *       this.ref('cid')
   *
   *       this.pipeline.add(function () {
   *         // some custom pipeline function
   *       })
   *
   *     })
     *
     * @param {Function} config A function that will be called with the new instance
     * of the lunr.Index as both its context and first parameter. It can be used to
     * customize the instance of new lunr.Index.
     * @namespace
     * @module
     * @returns {lunr.Index}
     *
     */
    var lunr = function (config) {
      var idx = new lunr.Index
  
      idx.pipeline.add(
          lunr.trimmer,
          lunr.stopWordFilter,
          lunr.stemmer
      )
  
      if (config) config.call(idx, idx)
  
      return idx
    }
  
    lunr.version = "0.5.7"
    /*!
     * lunr.utils
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * A namespace containing utils for the rest of the lunr library
     */
    lunr.utils = {}
  
    /**
     * Print a warning message to the console.
     *
     * @param {String} message The message to be printed.
     * @memberOf Utils
     */
    lunr.utils.warn = (function (global) {
      return function (message) {
        if (global.console && console.warn) {
          console.warn(message)
        }
      }
    })(this)
  
    /*!
     * lunr.EventEmitter
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.EventEmitter is an event emitter for lunr. It manages adding and removing event handlers and triggering events and their handlers.
     *
     * @constructor
     */
    lunr.EventEmitter = function () {
      this.events = {}
    }
  
    /**
     * Binds a handler function to a specific event(s).
     *
     * Can bind a single function to many different events in one call.
     *
     * @param {String} [eventName] The name(s) of events to bind this function to.
     * @param {Function} handler The function to call when an event is fired.
     * @memberOf EventEmitter
     */
    lunr.EventEmitter.prototype.addListener = function () {
      var args = Array.prototype.slice.call(arguments),
          fn = args.pop(),
          names = args
  
      if (typeof fn !== "function") throw new TypeError ("last argument must be a function")
  
      names.forEach(function (name) {
        if (!this.hasHandler(name)) this.events[name] = []
        this.events[name].push(fn)
      }, this)
    }
  
    /**
     * Removes a handler function from a specific event.
     *
     * @param {String} eventName The name of the event to remove this function from.
     * @param {Function} handler The function to remove from an event.
     * @memberOf EventEmitter
     */
    lunr.EventEmitter.prototype.removeListener = function (name, fn) {
      if (!this.hasHandler(name)) return
  
      var fnIndex = this.events[name].indexOf(fn)
      this.events[name].splice(fnIndex, 1)
  
      if (!this.events[name].length) delete this.events[name]
    }
  
    /**
     * Calls all functions bound to the given event.
     *
     * Additional data can be passed to the event handler as arguments to `emit`
     * after the event name.
     *
     * @param {String} eventName The name of the event to emit.
     * @memberOf EventEmitter
     */
    lunr.EventEmitter.prototype.emit = function (name) {
      if (!this.hasHandler(name)) return
  
      var args = Array.prototype.slice.call(arguments, 1)
  
      this.events[name].forEach(function (fn) {
        fn.apply(undefined, args)
      })
    }
  
    /**
     * Checks whether a handler has ever been stored against an event.
     *
     * @param {String} eventName The name of the event to check.
     * @private
     * @memberOf EventEmitter
     */
    lunr.EventEmitter.prototype.hasHandler = function (name) {
      return name in this.events
    }
  
    /*!
     * lunr.tokenizer
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * A function for splitting a string into tokens ready to be inserted into
     * the search index.
     *
     * @module
     * @param {String} obj The string to convert into tokens
     * @returns {Array}
     */
    lunr.tokenizer = function (obj) {
      if (!arguments.length || obj == null || obj == undefined) return []
      if (Array.isArray(obj)) return obj.map(function (t) { return t.toLowerCase() })
  
      var str = obj.toString().replace(/^\s+/, '')
  
      for (var i = str.length - 1; i >= 0; i--) {
        if (/\S/.test(str.charAt(i))) {
          str = str.substring(0, i + 1)
          break
        }
      }
  
      return str
          .split(/(?:\s+|\-)/)
          .filter(function (token) {
            return !!token
          })
          .map(function (token) {
            return token.toLowerCase()
          })
    }
    /*!
     * lunr.Pipeline
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.Pipelines maintain an ordered list of functions to be applied to all
     * tokens in documents entering the search index and queries being ran against
     * the index.
     *
     * An instance of lunr.Index created with the lunr shortcut will contain a
     * pipeline with a stop word filter and an English language stemmer. Extra
     * functions can be added before or after either of these functions or these
     * default functions can be removed.
     *
     * When run the pipeline will call each function in turn, passing a token, the
     * index of that token in the original list of all tokens and finally a list of
     * all the original tokens.
     *
     * The output of functions in the pipeline will be passed to the next function
     * in the pipeline. To exclude a token from entering the index the function
     * should return undefined, the rest of the pipeline will not be called with
     * this token.
     *
     * For serialisation of pipelines to work, all functions used in an instance of
     * a pipeline should be registered with lunr.Pipeline. Registered functions can
     * then be loaded. If trying to load a serialised pipeline that uses functions
     * that are not registered an error will be thrown.
     *
     * If not planning on serialising the pipeline then registering pipeline functions
     * is not necessary.
     *
     * @constructor
     */
    lunr.Pipeline = function () {
      this._stack = []
    }
  
    lunr.Pipeline.registeredFunctions = {}
  
    /**
     * Register a function with the pipeline.
     *
     * Functions that are used in the pipeline should be registered if the pipeline
     * needs to be serialised, or a serialised pipeline needs to be loaded.
     *
     * Registering a function does not add it to a pipeline, functions must still be
     * added to instances of the pipeline for them to be used when running a pipeline.
     *
     * @param {Function} fn The function to check for.
     * @param {String} label The label to register this function with
     * @memberOf Pipeline
     */
    lunr.Pipeline.registerFunction = function (fn, label) {
      if (label in this.registeredFunctions) {
        lunr.utils.warn('Overwriting existing registered function: ' + label)
      }
  
      fn.label = label
      lunr.Pipeline.registeredFunctions[fn.label] = fn
    }
  
    /**
     * Warns if the function is not registered as a Pipeline function.
     *
     * @param {Function} fn The function to check for.
     * @private
     * @memberOf Pipeline
     */
    lunr.Pipeline.warnIfFunctionNotRegistered = function (fn) {
      var isRegistered = fn.label && (fn.label in this.registeredFunctions)
  
      if (!isRegistered) {
        lunr.utils.warn('Function is not registered with pipeline. This may cause problems when serialising the index.\n', fn)
      }
    }
  
    /**
     * Loads a previously serialised pipeline.
     *
     * All functions to be loaded must already be registered with lunr.Pipeline.
     * If any function from the serialised data has not been registered then an
     * error will be thrown.
     *
     * @param {Object} serialised The serialised pipeline to load.
     * @returns {lunr.Pipeline}
     * @memberOf Pipeline
     */
    lunr.Pipeline.load = function (serialised) {
      var pipeline = new lunr.Pipeline
  
      serialised.forEach(function (fnName) {
        var fn = lunr.Pipeline.registeredFunctions[fnName]
  
        if (fn) {
          pipeline.add(fn)
        } else {
          throw new Error ('Cannot load un-registered function: ' + fnName)
        }
      })
  
      return pipeline
    }
  
    /**
     * Adds new functions to the end of the pipeline.
     *
     * Logs a warning if the function has not been registered.
     *
     * @param {Function} functions Any number of functions to add to the pipeline.
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.add = function () {
      var fns = Array.prototype.slice.call(arguments)
  
      fns.forEach(function (fn) {
        lunr.Pipeline.warnIfFunctionNotRegistered(fn)
        this._stack.push(fn)
      }, this)
    }
  
    /**
     * Adds a single function after a function that already exists in the
     * pipeline.
     *
     * Logs a warning if the function has not been registered.
     *
     * @param {Function} existingFn A function that already exists in the pipeline.
     * @param {Function} newFn The new function to add to the pipeline.
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.after = function (existingFn, newFn) {
      lunr.Pipeline.warnIfFunctionNotRegistered(newFn)
  
      var pos = this._stack.indexOf(existingFn) + 1
      this._stack.splice(pos, 0, newFn)
    }
  
    /**
     * Adds a single function before a function that already exists in the
     * pipeline.
     *
     * Logs a warning if the function has not been registered.
     *
     * @param {Function} existingFn A function that already exists in the pipeline.
     * @param {Function} newFn The new function to add to the pipeline.
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.before = function (existingFn, newFn) {
      lunr.Pipeline.warnIfFunctionNotRegistered(newFn)
  
      var pos = this._stack.indexOf(existingFn)
      this._stack.splice(pos, 0, newFn)
    }
  
    /**
     * Removes a function from the pipeline.
     *
     * @param {Function} fn The function to remove from the pipeline.
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.remove = function (fn) {
      var pos = this._stack.indexOf(fn)
      this._stack.splice(pos, 1)
    }
  
    /**
     * Runs the current list of functions that make up the pipeline against the
     * passed tokens.
     *
     * @param {Array} tokens The tokens to run through the pipeline.
     * @returns {Array}
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.run = function (tokens) {
      var out = [],
          tokenLength = tokens.length,
          stackLength = this._stack.length
  
      for (var i = 0; i < tokenLength; i++) {
        var token = tokens[i]
  
        for (var j = 0; j < stackLength; j++) {
          token = this._stack[j](token, i, tokens)
          if (token === void 0) break
        };
  
        if (token !== void 0) out.push(token)
      };
  
      return out
    }
  
    /**
     * Resets the pipeline by removing any existing processors.
     *
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.reset = function () {
      this._stack = []
    }
  
    /**
     * Returns a representation of the pipeline ready for serialisation.
     *
     * Logs a warning if the function has not been registered.
     *
     * @returns {Array}
     * @memberOf Pipeline
     */
    lunr.Pipeline.prototype.toJSON = function () {
      return this._stack.map(function (fn) {
        lunr.Pipeline.warnIfFunctionNotRegistered(fn)
  
        return fn.label
      })
    }
    /*!
     * lunr.Vector
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.Vectors implement vector related operations for
     * a series of elements.
     *
     * @constructor
     */
    lunr.Vector = function () {
      this._magnitude = null
      this.list = undefined
      this.length = 0
    }
  
    /**
     * lunr.Vector.Node is a simple struct for each node
     * in a lunr.Vector.
     *
     * @private
     * @param {Number} The index of the node in the vector.
     * @param {Object} The data at this node in the vector.
     * @param {lunr.Vector.Node} The node directly after this node in the vector.
     * @constructor
     * @memberOf Vector
     */
    lunr.Vector.Node = function (idx, val, next) {
      this.idx = idx
      this.val = val
      this.next = next
    }
  
    /**
     * Inserts a new value at a position in a vector.
     *
     * @param {Number} The index at which to insert a value.
     * @param {Object} The object to insert in the vector.
     * @memberOf Vector.
     */
    lunr.Vector.prototype.insert = function (idx, val) {
      var list = this.list
  
      if (!list) {
        this.list = new lunr.Vector.Node (idx, val, list)
        return this.length++
      }
  
      var prev = list,
          next = list.next
  
      while (next != undefined) {
        if (idx < next.idx) {
          prev.next = new lunr.Vector.Node (idx, val, next)
          return this.length++
        }
  
        prev = next, next = next.next
      }
  
      prev.next = new lunr.Vector.Node (idx, val, next)
      return this.length++
    }
  
    /**
     * Calculates the magnitude of this vector.
     *
     * @returns {Number}
     * @memberOf Vector
     */
    lunr.Vector.prototype.magnitude = function () {
      if (this._magniture) return this._magnitude
      var node = this.list,
          sumOfSquares = 0,
          val
  
      while (node) {
        val = node.val
        sumOfSquares += val * val
        node = node.next
      }
  
      return this._magnitude = Math.sqrt(sumOfSquares)
    }
  
    /**
     * Calculates the dot product of this vector and another vector.
     *
     * @param {lunr.Vector} otherVector The vector to compute the dot product with.
     * @returns {Number}
     * @memberOf Vector
     */
    lunr.Vector.prototype.dot = function (otherVector) {
      var node = this.list,
          otherNode = otherVector.list,
          dotProduct = 0
  
      while (node && otherNode) {
        if (node.idx < otherNode.idx) {
          node = node.next
        } else if (node.idx > otherNode.idx) {
          otherNode = otherNode.next
        } else {
          dotProduct += node.val * otherNode.val
          node = node.next
          otherNode = otherNode.next
        }
      }
  
      return dotProduct
    }
  
    /**
     * Calculates the cosine similarity between this vector and another
     * vector.
     *
     * @param {lunr.Vector} otherVector The other vector to calculate the
     * similarity with.
     * @returns {Number}
     * @memberOf Vector
     */
    lunr.Vector.prototype.similarity = function (otherVector) {
      return this.dot(otherVector) / (this.magnitude() * otherVector.magnitude())
    }
    /*!
     * lunr.SortedSet
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.SortedSets are used to maintain an array of uniq values in a sorted
     * order.
     *
     * @constructor
     */
    lunr.SortedSet = function () {
      this.length = 0
      this.elements = []
    }
  
    /**
     * Loads a previously serialised sorted set.
     *
     * @param {Array} serialisedData The serialised set to load.
     * @returns {lunr.SortedSet}
     * @memberOf SortedSet
     */
    lunr.SortedSet.load = function (serialisedData) {
      var set = new this
  
      set.elements = serialisedData
      set.length = serialisedData.length
  
      return set
    }
  
    /**
     * Inserts new items into the set in the correct position to maintain the
     * order.
     *
     * @param {Object} The objects to add to this set.
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.add = function () {
      Array.prototype.slice.call(arguments).forEach(function (element) {
        if (~this.indexOf(element)) return
        this.elements.splice(this.locationFor(element), 0, element)
      }, this)
  
      this.length = this.elements.length
    }
  
    /**
     * Converts this sorted set into an array.
     *
     * @returns {Array}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.toArray = function () {
      return this.elements.slice()
    }
  
    /**
     * Creates a new array with the results of calling a provided function on every
     * element in this sorted set.
     *
     * Delegates to Array.prototype.map and has the same signature.
     *
     * @param {Function} fn The function that is called on each element of the
     * set.
     * @param {Object} ctx An optional object that can be used as the context
     * for the function fn.
     * @returns {Array}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.map = function (fn, ctx) {
      return this.elements.map(fn, ctx)
    }
  
    /**
     * Executes a provided function once per sorted set element.
     *
     * Delegates to Array.prototype.forEach and has the same signature.
     *
     * @param {Function} fn The function that is called on each element of the
     * set.
     * @param {Object} ctx An optional object that can be used as the context
     * @memberOf SortedSet
     * for the function fn.
     */
    lunr.SortedSet.prototype.forEach = function (fn, ctx) {
      return this.elements.forEach(fn, ctx)
    }
  
    /**
     * Returns the index at which a given element can be found in the
     * sorted set, or -1 if it is not present.
     *
     * @param {Object} elem The object to locate in the sorted set.
     * @param {Number} start An optional index at which to start searching from
     * within the set.
     * @param {Number} end An optional index at which to stop search from within
     * the set.
     * @returns {Number}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.indexOf = function (elem, start, end) {
      var start = start || 0,
          end = end || this.elements.length,
          sectionLength = end - start,
          pivot = start + Math.floor(sectionLength / 2),
          pivotElem = this.elements[pivot]
  
      if (sectionLength <= 1) {
        if (pivotElem === elem) {
          return pivot
        } else {
          return -1
        }
      }
  
      if (pivotElem < elem) return this.indexOf(elem, pivot, end)
      if (pivotElem > elem) return this.indexOf(elem, start, pivot)
      if (pivotElem === elem) return pivot
    }
  
    /**
     * Returns the position within the sorted set that an element should be
     * inserted at to maintain the current order of the set.
     *
     * This function assumes that the element to search for does not already exist
     * in the sorted set.
     *
     * @param {Object} elem The elem to find the position for in the set
     * @param {Number} start An optional index at which to start searching from
     * within the set.
     * @param {Number} end An optional index at which to stop search from within
     * the set.
     * @returns {Number}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.locationFor = function (elem, start, end) {
      var start = start || 0,
          end = end || this.elements.length,
          sectionLength = end - start,
          pivot = start + Math.floor(sectionLength / 2),
          pivotElem = this.elements[pivot]
  
      if (sectionLength <= 1) {
        if (pivotElem > elem) return pivot
        if (pivotElem < elem) return pivot + 1
      }
  
      if (pivotElem < elem) return this.locationFor(elem, pivot, end)
      if (pivotElem > elem) return this.locationFor(elem, start, pivot)
    }
  
    /**
     * Creates a new lunr.SortedSet that contains the elements in the intersection
     * of this set and the passed set.
     *
     * @param {lunr.SortedSet} otherSet The set to intersect with this set.
     * @returns {lunr.SortedSet}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.intersect = function (otherSet) {
      var intersectSet = new lunr.SortedSet,
          i = 0, j = 0,
          a_len = this.length, b_len = otherSet.length,
          a = this.elements, b = otherSet.elements
  
      while (true) {
        if (i > a_len - 1 || j > b_len - 1) break
  
        if (a[i] === b[j]) {
          intersectSet.add(a[i])
          i++, j++
          continue
        }
  
        if (a[i] < b[j]) {
          i++
          continue
        }
  
        if (a[i] > b[j]) {
          j++
          continue
        }
      };
  
      return intersectSet
    }
  
    /**
     * Makes a copy of this set
     *
     * @returns {lunr.SortedSet}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.clone = function () {
      var clone = new lunr.SortedSet
  
      clone.elements = this.toArray()
      clone.length = clone.elements.length
  
      return clone
    }
  
    /**
     * Creates a new lunr.SortedSet that contains the elements in the union
     * of this set and the passed set.
     *
     * @param {lunr.SortedSet} otherSet The set to union with this set.
     * @returns {lunr.SortedSet}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.union = function (otherSet) {
      var longSet, shortSet, unionSet
  
      if (this.length >= otherSet.length) {
        longSet = this, shortSet = otherSet
      } else {
        longSet = otherSet, shortSet = this
      }
  
      unionSet = longSet.clone()
  
      unionSet.add.apply(unionSet, shortSet.toArray())
  
      return unionSet
    }
  
    /**
     * Returns a representation of the sorted set ready for serialisation.
     *
     * @returns {Array}
     * @memberOf SortedSet
     */
    lunr.SortedSet.prototype.toJSON = function () {
      return this.toArray()
    }
    /*!
     * lunr.Index
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.Index is object that manages a search index.  It contains the indexes
     * and stores all the tokens and document lookups.  It also provides the main
     * user facing API for the library.
     *
     * @constructor
     */
    lunr.Index = function () {
      this._fields = []
      this._ref = 'id'
      this.pipeline = new lunr.Pipeline
      this.documentStore = new lunr.Store
      this.tokenStore = new lunr.TokenStore
      this.corpusTokens = new lunr.SortedSet
      this.eventEmitter =  new lunr.EventEmitter
  
      this._idfCache = {}
  
      this.on('add', 'remove', 'update', (function () {
        this._idfCache = {}
      }).bind(this))
    }
  
    /**
     * Bind a handler to events being emitted by the index.
     *
     * The handler can be bound to many events at the same time.
     *
     * @param {String} [eventName] The name(s) of events to bind the function to.
     * @param {Function} handler The serialised set to load.
     * @memberOf Index
     */
    lunr.Index.prototype.on = function () {
      var args = Array.prototype.slice.call(arguments)
      return this.eventEmitter.addListener.apply(this.eventEmitter, args)
    }
  
    /**
     * Removes a handler from an event being emitted by the index.
     *
     * @param {String} eventName The name of events to remove the function from.
     * @param {Function} handler The serialised set to load.
     * @memberOf Index
     */
    lunr.Index.prototype.off = function (name, fn) {
      return this.eventEmitter.removeListener(name, fn)
    }
  
    /**
     * Loads a previously serialised index.
     *
     * Issues a warning if the index being imported was serialised
     * by a different version of lunr.
     *
     * @param {Object} serialisedData The serialised set to load.
     * @returns {lunr.Index}
     * @memberOf Index
     */
    lunr.Index.load = function (serialisedData) {
      if (serialisedData.version !== lunr.version) {
        lunr.utils.warn('version mismatch: current ' + lunr.version + ' importing ' + serialisedData.version)
      }
  
      var idx = new this
  
      idx._fields = serialisedData.fields
      idx._ref = serialisedData.ref
  
      idx.documentStore = lunr.Store.load(serialisedData.documentStore)
      idx.tokenStore = lunr.TokenStore.load(serialisedData.tokenStore)
      idx.corpusTokens = lunr.SortedSet.load(serialisedData.corpusTokens)
      idx.pipeline = lunr.Pipeline.load(serialisedData.pipeline)
  
      return idx
    }
  
    /**
     * Adds a field to the list of fields that will be searchable within documents
     * in the index.
     *
     * An optional boost param can be passed to affect how much tokens in this field
     * rank in search results, by default the boost value is 1.
     *
     * Fields should be added before any documents are added to the index, fields
     * that are added after documents are added to the index will only apply to new
     * documents added to the index.
     *
     * @param {String} fieldName The name of the field within the document that
     * should be indexed
     * @param {Number} boost An optional boost that can be applied to terms in this
     * field.
     * @returns {lunr.Index}
     * @memberOf Index
     */
    lunr.Index.prototype.field = function (fieldName, opts) {
      var opts = opts || {},
          field = { name: fieldName, boost: opts.boost || 1 }
  
      this._fields.push(field)
      return this
    }
  
    /**
     * Sets the property used to uniquely identify documents added to the index,
     * by default this property is 'id'.
     *
     * This should only be changed before adding documents to the index, changing
     * the ref property without resetting the index can lead to unexpected results.
     *
     * @param {String} refName The property to use to uniquely identify the
     * documents in the index.
     * @param {Boolean} emitEvent Whether to emit add events, defaults to true
     * @returns {lunr.Index}
     * @memberOf Index
     */
    lunr.Index.prototype.ref = function (refName) {
      this._ref = refName
      return this
    }
  
    /**
     * Add a document to the index.
     *
     * This is the way new documents enter the index, this function will run the
     * fields from the document through the index's pipeline and then add it to
     * the index, it will then show up in search results.
     *
     * An 'add' event is emitted with the document that has been added and the index
     * the document has been added to. This event can be silenced by passing false
     * as the second argument to add.
     *
     * @param {Object} doc The document to add to the index.
     * @param {Boolean} emitEvent Whether or not to emit events, default true.
     * @memberOf Index
     */
    lunr.Index.prototype.add = function (doc, emitEvent) {
      var docTokens = {},
          allDocumentTokens = new lunr.SortedSet,
          docRef = doc[this._ref],
          emitEvent = emitEvent === undefined ? true : emitEvent
  
      this._fields.forEach(function (field) {
        var fieldTokens = this.pipeline.run(lunr.tokenizer(doc[field.name]))
  
        docTokens[field.name] = fieldTokens
        lunr.SortedSet.prototype.add.apply(allDocumentTokens, fieldTokens)
      }, this)
  
      this.documentStore.set(docRef, allDocumentTokens)
      lunr.SortedSet.prototype.add.apply(this.corpusTokens, allDocumentTokens.toArray())
  
      for (var i = 0; i < allDocumentTokens.length; i++) {
        var token = allDocumentTokens.elements[i]
        var tf = this._fields.reduce(function (memo, field) {
          var fieldLength = docTokens[field.name].length
  
          if (!fieldLength) return memo
  
          var tokenCount = docTokens[field.name].filter(function (t) { return t === token }).length
  
          return memo + (tokenCount / fieldLength * field.boost)
        }, 0)
  
        this.tokenStore.add(token, { ref: docRef, tf: tf })
      };
  
      if (emitEvent) this.eventEmitter.emit('add', doc, this)
    }
  
    /**
     * Removes a document from the index.
     *
     * To make sure documents no longer show up in search results they can be
     * removed from the index using this method.
     *
     * The document passed only needs to have the same ref property value as the
     * document that was added to the index, they could be completely different
     * objects.
     *
     * A 'remove' event is emitted with the document that has been removed and the index
     * the document has been removed from. This event can be silenced by passing false
     * as the second argument to remove.
     *
     * @param {Object} doc The document to remove from the index.
     * @param {Boolean} emitEvent Whether to emit remove events, defaults to true
     * @memberOf Index
     */
    lunr.Index.prototype.remove = function (doc, emitEvent) {
      var docRef = doc[this._ref],
          emitEvent = emitEvent === undefined ? true : emitEvent
  
      if (!this.documentStore.has(docRef)) return
  
      var docTokens = this.documentStore.get(docRef)
  
      this.documentStore.remove(docRef)
  
      docTokens.forEach(function (token) {
        this.tokenStore.remove(token, docRef)
      }, this)
  
      if (emitEvent) this.eventEmitter.emit('remove', doc, this)
    }
  
    /**
     * Updates a document in the index.
     *
     * When a document contained within the index gets updated, fields changed,
     * added or removed, to make sure it correctly matched against search queries,
     * it should be updated in the index.
     *
     * This method is just a wrapper around `remove` and `add`
     *
     * An 'update' event is emitted with the document that has been updated and the index.
     * This event can be silenced by passing false as the second argument to update. Only
     * an update event will be fired, the 'add' and 'remove' events of the underlying calls
     * are silenced.
     *
     * @param {Object} doc The document to update in the index.
     * @param {Boolean} emitEvent Whether to emit update events, defaults to true
     * @see Index.prototype.remove
     * @see Index.prototype.add
     * @memberOf Index
     */
    lunr.Index.prototype.update = function (doc, emitEvent) {
      var emitEvent = emitEvent === undefined ? true : emitEvent
  
      this.remove(doc, false)
      this.add(doc, false)
  
      if (emitEvent) this.eventEmitter.emit('update', doc, this)
    }
  
    /**
     * Calculates the inverse document frequency for a token within the index.
     *
     * @param {String} token The token to calculate the idf of.
     * @see Index.prototype.idf
     * @private
     * @memberOf Index
     */
    lunr.Index.prototype.idf = function (term) {
      var cacheKey = "@" + term
      if (Object.prototype.hasOwnProperty.call(this._idfCache, cacheKey)) return this._idfCache[cacheKey]
  
      var documentFrequency = this.tokenStore.count(term),
          idf = 1
  
      if (documentFrequency > 0) {
        idf = 1 + Math.log(this.tokenStore.length / documentFrequency)
      }
  
      return this._idfCache[cacheKey] = idf
    }
  
    /**
     * Searches the index using the passed query.
     *
     * Queries should be a string, multiple words are allowed and will lead to an
     * AND based query, e.g. `idx.search('foo bar')` will run a search for
     * documents containing both 'foo' and 'bar'.
     *
     * All query tokens are passed through the same pipeline that document tokens
     * are passed through, so any language processing involved will be run on every
     * query term.
     *
     * Each query term is expanded, so that the term 'he' might be expanded to
     * 'hello' and 'help' if those terms were already included in the index.
     *
     * Matching documents are returned as an array of objects, each object contains
     * the matching document ref, as set for this index, and the similarity score
     * for this document against the query.
     *
     * @param {String} query The query to search the index with.
     * @returns {Object}
     * @see Index.prototype.idf
     * @see Index.prototype.documentVector
     * @memberOf Index
     */
    lunr.Index.prototype.search = function (query) {
      var queryTokens = this.pipeline.run(lunr.tokenizer(query)),
          queryVector = new lunr.Vector,
          documentSets = [],
          fieldBoosts = this._fields.reduce(function (memo, f) { return memo + f.boost }, 0)
  
      var hasSomeToken = queryTokens.some(function (token) {
        return this.tokenStore.has(token)
      }, this)
  
      if (!hasSomeToken) return []
  
      queryTokens
          .forEach(function (token, i, tokens) {
            var tf = 1 / tokens.length * this._fields.length * fieldBoosts,
                self = this
  
            var set = this.tokenStore.expand(token).reduce(function (memo, key) {
              var pos = self.corpusTokens.indexOf(key),
                  idf = self.idf(key),
                  similarityBoost = 1,
                  set = new lunr.SortedSet
  
              // if the expanded key is not an exact match to the token then
              // penalise the score for this key by how different the key is
              // to the token.
              if (key !== token) {
                var diff = Math.max(3, key.length - token.length)
                similarityBoost = 1 / Math.log(diff)
              }
  
              // calculate the query tf-idf score for this token
              // applying an similarityBoost to ensure exact matches
              // these rank higher than expanded terms
              if (pos > -1) queryVector.insert(pos, tf * idf * similarityBoost)
  
              // add all the documents that have this key into a set
              Object.keys(self.tokenStore.get(key)).forEach(function (ref) { set.add(ref) })
  
              return memo.union(set)
            }, new lunr.SortedSet)
  
            documentSets.push(set)
          }, this)
  
      var documentSet = documentSets.reduce(function (memo, set) {
        return memo.intersect(set)
      })
  
      return documentSet
          .map(function (ref) {
            return { ref: ref, score: queryVector.similarity(this.documentVector(ref)) }
          }, this)
          .sort(function (a, b) {
            return b.score - a.score
          })
    }
  
    /**
     * Generates a vector containing all the tokens in the document matching the
     * passed documentRef.
     *
     * The vector contains the tf-idf score for each token contained in the
     * document with the passed documentRef.  The vector will contain an element
     * for every token in the indexes corpus, if the document does not contain that
     * token the element will be 0.
     *
     * @param {Object} documentRef The ref to find the document with.
     * @returns {lunr.Vector}
     * @private
     * @memberOf Index
     */
    lunr.Index.prototype.documentVector = function (documentRef) {
      var documentTokens = this.documentStore.get(documentRef),
          documentTokensLength = documentTokens.length,
          documentVector = new lunr.Vector
  
      for (var i = 0; i < documentTokensLength; i++) {
        var token = documentTokens.elements[i],
            tf = this.tokenStore.get(token)[documentRef].tf,
            idf = this.idf(token)
  
        documentVector.insert(this.corpusTokens.indexOf(token), tf * idf)
      };
  
      return documentVector
    }
  
    /**
     * Returns a representation of the index ready for serialisation.
     *
     * @returns {Object}
     * @memberOf Index
     */
    lunr.Index.prototype.toJSON = function () {
      return {
        version: lunr.version,
        fields: this._fields,
        ref: this._ref,
        documentStore: this.documentStore.toJSON(),
        tokenStore: this.tokenStore.toJSON(),
        corpusTokens: this.corpusTokens.toJSON(),
        pipeline: this.pipeline.toJSON()
      }
    }
  
    /**
     * Applies a plugin to the current index.
     *
     * A plugin is a function that is called with the index as its context.
     * Plugins can be used to customise or extend the behaviour the index
     * in some way. A plugin is just a function, that encapsulated the custom
     * behaviour that should be applied to the index.
     *
     * The plugin function will be called with the index as its argument, additional
     * arguments can also be passed when calling use. The function will be called
     * with the index as its context.
     *
     * Example:
     *
     *     var myPlugin = function (idx, arg1, arg2) {
   *       // `this` is the index to be extended
   *       // apply any extensions etc here.
   *     }
     *
     *     var idx = lunr(function () {
   *       this.use(myPlugin, 'arg1', 'arg2')
   *     })
     *
     * @param {Function} plugin The plugin to apply.
     * @memberOf Index
     */
    lunr.Index.prototype.use = function (plugin) {
      var args = Array.prototype.slice.call(arguments, 1)
      args.unshift(this)
      plugin.apply(this, args)
    }
    /*!
     * lunr.Store
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.Store is a simple key-value store used for storing sets of tokens for
     * documents stored in index.
     *
     * @constructor
     * @module
     */
    lunr.Store = function () {
      this.store = {}
      this.length = 0
    }
  
    /**
     * Loads a previously serialised store
     *
     * @param {Object} serialisedData The serialised store to load.
     * @returns {lunr.Store}
     * @memberOf Store
     */
    lunr.Store.load = function (serialisedData) {
      var store = new this
  
      store.length = serialisedData.length
      store.store = Object.keys(serialisedData.store).reduce(function (memo, key) {
        memo[key] = lunr.SortedSet.load(serialisedData.store[key])
        return memo
      }, {})
  
      return store
    }
  
    /**
     * Stores the given tokens in the store against the given id.
     *
     * @param {Object} id The key used to store the tokens against.
     * @param {Object} tokens The tokens to store against the key.
     * @memberOf Store
     */
    lunr.Store.prototype.set = function (id, tokens) {
      if (!this.has(id)) this.length++
      this.store[id] = tokens
    }
  
    /**
     * Retrieves the tokens from the store for a given key.
     *
     * @param {Object} id The key to lookup and retrieve from the store.
     * @returns {Object}
     * @memberOf Store
     */
    lunr.Store.prototype.get = function (id) {
      return this.store[id]
    }
  
    /**
     * Checks whether the store contains a key.
     *
     * @param {Object} id The id to look up in the store.
     * @returns {Boolean}
     * @memberOf Store
     */
    lunr.Store.prototype.has = function (id) {
      return id in this.store
    }
  
    /**
     * Removes the value for a key in the store.
     *
     * @param {Object} id The id to remove from the store.
     * @memberOf Store
     */
    lunr.Store.prototype.remove = function (id) {
      if (!this.has(id)) return
  
      delete this.store[id]
      this.length--
    }
  
    /**
     * Returns a representation of the store ready for serialisation.
     *
     * @returns {Object}
     * @memberOf Store
     */
    lunr.Store.prototype.toJSON = function () {
      return {
        store: this.store,
        length: this.length
      }
    }
  
    /*!
     * lunr.stemmer
     * Copyright (C) 2014 Oliver Nightingale
     * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
     */
  
    /**
     * lunr.stemmer is an english language stemmer, this is a JavaScript
     * implementation of the PorterStemmer taken from http://tartaurs.org/~martin
     *
     * @module
     * @param {String} str The string to stem
     * @returns {String}
     * @see lunr.Pipeline
     */
    lunr.stemmer = (function(){
      var step2list = {
            "ational" : "ate",
            "tional" : "tion",
            "enci" : "ence",
            "anci" : "ance",
            "izer" : "ize",
            "bli" : "ble",
            "alli" : "al",
            "entli" : "ent",
            "eli" : "e",
            "ousli" : "ous",
            "ization" : "ize",
            "ation" : "ate",
            "ator" : "ate",
            "alism" : "al",
            "iveness" : "ive",
            "fulness" : "ful",
            "ousness" : "ous",
            "aliti" : "al",
            "iviti" : "ive",
            "biliti" : "ble",
            "logi" : "log"
          },
  
          step3list = {
            "icate" : "ic",
            "ative" : "",
            "alize" : "al",
            "iciti" : "ic",
            "ical" : "ic",
            "ful" : "",
            "ness" : ""
          },
  
          c = "[^aeiou]",          // consonant
          v = "[aeiouy]",          // vowel
          C = c + "[^aeiouy]*",    // consonant sequence
          V = v + "[aeiou]*",      // vowel sequence
  
          mgr0 = "^(" + C + ")?" + V + C,               // [C]VC... is m>0
          meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$",  // [C]VC[V] is m=1
          mgr1 = "^(" + C + ")?" + V + C + V + C,       // [C]VCVC... is m>1
          s_v = "^(" + C + ")?" + v;                   // vowel in stem
  
      var re_mgr0 = new RegExp(mgr0);
      var re_mgr1 = new RegExp(mgr1);
      var re_meq1 = new RegExp(meq1);
      var re_s_v = new RegExp(s_v);
  
      var re_1a = /^(.+?)(ss|i)es$/;
      var re2_1a = /^(.+?)([^s])s$/;
      var re_1b = /^(.+?)eed$/;
      var re2_1b = /^(.+?)(ed|ing)$/;
      var re_1b_2 = /.$/;
      var re2_1b_2 = /(at|bl|iz)$/;
      var re3_1b_2 = new RegExp("([^aeiouylsz])\\1$");
      var re4_1b_2 = new RegExp("^" + C + v + "[^aeiouwxy]$");
  
      var re_1c = /^(.+?[^aeiou])y$/;
      var re_2 = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
  
      var re_3 = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
  
      var re_4 = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
      var re2_4 = /^(.+?)(s|t)(ion)$/;
  
      var re_5 = /^(.+?)e$/;
      var re_5_1 = /ll$/;
      var re3_5 = new RegExp("^" + C + v + "[^aeiouwxy]$");
  
      var porterStemmer = function porterStemmer(w) {
        var   stem,
            suffix,
            firstch,
            re,
            re2,
            re3,
            re4;
  
        if (w.length < 3) { return w; }
  
        firstch = w.substr(0,1);
        if (firstch == "y") {
          w = firstch.toUpperCase() + w.substr(1);
        }
  
        // Step 1a
        re = re_1a
        re2 = re2_1a;
  
        if (re.test(w)) { w = w.replace(re,"$1$2"); }
        else if (re2.test(w)) { w = w.replace(re2,"$1$2"); }
  
        // Step 1b
        re = re_1b;
        re2 = re2_1b;
        if (re.test(w)) {
          var fp = re.exec(w);
          re = re_mgr0;
          if (re.test(fp[1])) {
            re = re_1b_2;
            w = w.replace(re,"");
          }
        } else if (re2.test(w)) {
          var fp = re2.exec(w);
          stem = fp[1];
          re2 = re_s_v;
          if (re2.test(stem)) {
            w = stem;
            re2 = re2_1b_2;
            re3 = re3_1b_2;
            re4 = re4_1b_2;
            if (re2.test(w)) {  w = w + "e"; }
            else if (re3.test(w)) { re = re_1b_2; w = w.replace(re,""); }
            else if (re4.test(w)) { w = w + "e"; }
          }
        }
  
        // Step 1c - replace suffix y or Y by i if preceded by a non-vowel which is not the first letter of the word (so cry -> cri, by -> by, say -> say)
        re = re_1c;
        if (re.test(w)) {
          var fp = re.exec(w);
          stem = fp[1];
          w = stem + "i";
        }
  
        // Step 2
        re = re_2;
        if (re.test(w)) {
          var fp = re.exec(w);
          stem = fp[1];
          suffix = fp[2];
          re = re_mgr0;
          if (re.test(stem)) {
            w = stem + step2list[suffix];
          }
        }
  
        // Step 3
        re = re_3;
        if (re.test(w)) {
          var fp = re.exec(w);
          stem = fp[1];
          suffix = fp[2];
          re = re_mgr0;
          if (re.test(stem)) {
            w = stem + step3list[suffix];
          }
        }
  
        // Step 4
        re = re_4;
        re2 = re2_4;
        if (re.test(w)) {
          var fp = re.exec(w);
          stem = fp[1];
          re = re_mgr1;
          if (re.test(stem)) {
            w = stem;
          }
        } else if (re2.test(w)) {
          var fp = re2.exec(w);
          stem = fp[1] + fp[2];
          re2 = re_mgr1;
          if (re2.test(stem)) {
            w = stem;
          }
        }
  
        // Step 5
        re = re_5;
        if (re.test(w)) {
          var fp = re.exec(w);
          stem = fp[1];
          re = re_mgr1;
          re2 = re_meq1;
          re3 = re3_5;
          if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) {
            w = stem;
          }
        }
  
        re = re_5_1;
        re2 = re_mgr1;
        if (re.test(w) && re2.test(w)) {
          re = re_1b_2;
          w = w.replace(re,"");
        }
  
        // and turn initial Y back to y
  
        if (firstch == "y") {
          w = firstch.toLowerCase() + w.substr(1);
        }
  
        return w;
      };
  
      return porterStemmer;
    })();
  
    lunr.Pipeline.registerFunction(lunr.stemmer, 'stemmer')
    /*!
     * lunr.stopWordFilter
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.stopWordFilter is an English language stop word list filter, any words
     * contained in the list will not be passed through the filter.
     *
     * This is intended to be used in the Pipeline. If the token does not pass the
     * filter then undefined will be returned.
     *
     * @module
     * @param {String} token The token to pass through the filter
     * @returns {String}
     * @see lunr.Pipeline
     */
    lunr.stopWordFilter = function (token) {
      if (lunr.stopWordFilter.stopWords.indexOf(token) === -1) return token
    }
  
    lunr.stopWordFilter.stopWords = new lunr.SortedSet
    lunr.stopWordFilter.stopWords.length = 119
    lunr.stopWordFilter.stopWords.elements = [
      "",
      "a",
      "able",
      "about",
      "across",
      "after",
      "all",
      "almost",
      "also",
      "am",
      "among",
      "an",
      "and",
      "any",
      "are",
      "as",
      "at",
      "be",
      "because",
      "been",
      "but",
      "by",
      "can",
      "cannot",
      "could",
      "dear",
      "did",
      "do",
      "does",
      "either",
      "else",
      "ever",
      "every",
      "for",
      "from",
      "get",
      "got",
      "had",
      "has",
      "have",
      "he",
      "her",
      "hers",
      "him",
      "his",
      "how",
      "however",
      "i",
      "if",
      "in",
      "into",
      "is",
      "it",
      "its",
      "just",
      "least",
      "let",
      "like",
      "likely",
      "may",
      "me",
      "might",
      "most",
      "must",
      "my",
      "neither",
      "no",
      "nor",
      "not",
      "of",
      "off",
      "often",
      "on",
      "only",
      "or",
      "other",
      "our",
      "own",
      "rather",
      "said",
      "say",
      "says",
      "she",
      "should",
      "since",
      "so",
      "some",
      "than",
      "that",
      "the",
      "their",
      "them",
      "then",
      "there",
      "these",
      "they",
      "this",
      "tis",
      "to",
      "too",
      "twas",
      "us",
      "wants",
      "was",
      "we",
      "were",
      "what",
      "when",
      "where",
      "which",
      "while",
      "who",
      "whom",
      "why",
      "will",
      "with",
      "would",
      "yet",
      "you",
      "your"
    ]
  
    lunr.Pipeline.registerFunction(lunr.stopWordFilter, 'stopWordFilter')
    /*!
     * lunr.trimmer
     * Copyright (C) 2014 Oliver Nightingale
     */
  
    /**
     * lunr.trimmer is a pipeline function for trimming non word
     * characters from the begining and end of tokens before they
     * enter the index.
     *
     * This implementation may not work correctly for non latin
     * characters and should either be removed or adapted for use
     * with languages with non-latin characters.
     *
     * @module
     * @param {String} token The token to pass through the filter
     * @returns {String}
     * @see lunr.Pipeline
     */
    lunr.trimmer = function (token) {
      return token
          .replace(/^\W+/, '')
          .replace(/\W+$/, '')
    }
  
    lunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')
    /*!
     * lunr.stemmer
     * Copyright (C) 2014 Oliver Nightingale
     * Includes code from - http://tartarus.org/~martin/PorterStemmer/js.txt
     */
  
    /**
     * lunr.TokenStore is used for efficient storing and lookup of the reverse
     * index of token to document ref.
     *
     * @constructor
     */
    lunr.TokenStore = function () {
      this.root = { docs: {} }
      this.length = 0
    }
  
    /**
     * Loads a previously serialised token store
     *
     * @param {Object} serialisedData The serialised token store to load.
     * @returns {lunr.TokenStore}
     * @memberOf TokenStore
     */
    lunr.TokenStore.load = function (serialisedData) {
      var store = new this
  
      store.root = serialisedData.root
      store.length = serialisedData.length
  
      return store
    }
  
    /**
     * Adds a new token doc pair to the store.
     *
     * By default this function starts at the root of the current store, however
     * it can start at any node of any token store if required.
     *
     * @param {String} token The token to store the doc under
     * @param {Object} doc The doc to store against the token
     * @param {Object} root An optional node at which to start looking for the
     * correct place to enter the doc, by default the root of this lunr.TokenStore
     * is used.
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.add = function (token, doc, root) {
      var root = root || this.root,
          key = token[0],
          rest = token.slice(1)
  
      if (!(key in root)) root[key] = {docs: {}}
  
      if (rest.length === 0) {
        root[key].docs[doc.ref] = doc
        this.length += 1
        return
      } else {
        return this.add(rest, doc, root[key])
      }
    }
  
    /**
     * Checks whether this key is contained within this lunr.TokenStore.
     *
     * By default this function starts at the root of the current store, however
     * it can start at any node of any token store if required.
     *
     * @param {String} token The token to check for
     * @param {Object} root An optional node at which to start
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.has = function (token) {
      if (!token) return false
  
      var node = this.root
  
      for (var i = 0; i < token.length; i++) {
        if (!node[token[i]]) return false
  
        node = node[token[i]]
      }
  
      return true
    }
  
    /**
     * Retrieve a node from the token store for a given token.
     *
     * By default this function starts at the root of the current store, however
     * it can start at any node of any token store if required.
     *
     * @param {String} token The token to get the node for.
     * @param {Object} root An optional node at which to start.
     * @returns {Object}
     * @see TokenStore.prototype.get
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.getNode = function (token) {
      if (!token) return {}
  
      var node = this.root
  
      for (var i = 0; i < token.length; i++) {
        if (!node[token[i]]) return {}
  
        node = node[token[i]]
      }
  
      return node
    }
  
    /**
     * Retrieve the documents for a node for the given token.
     *
     * By default this function starts at the root of the current store, however
     * it can start at any node of any token store if required.
     *
     * @param {String} token The token to get the documents for.
     * @param {Object} root An optional node at which to start.
     * @returns {Object}
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.get = function (token, root) {
      return this.getNode(token, root).docs || {}
    }
  
    lunr.TokenStore.prototype.count = function (token, root) {
      return Object.keys(this.get(token, root)).length
    }
  
    /**
     * Remove the document identified by ref from the token in the store.
     *
     * By default this function starts at the root of the current store, however
     * it can start at any node of any token store if required.
     *
     * @param {String} token The token to get the documents for.
     * @param {String} ref The ref of the document to remove from this token.
     * @param {Object} root An optional node at which to start.
     * @returns {Object}
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.remove = function (token, ref) {
      if (!token) return
      var node = this.root
  
      for (var i = 0; i < token.length; i++) {
        if (!(token[i] in node)) return
        node = node[token[i]]
      }
  
      delete node.docs[ref]
    }
  
    /**
     * Find all the possible suffixes of the passed token using tokens
     * currently in the store.
     *
     * @param {String} token The token to expand.
     * @returns {Array}
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.expand = function (token, memo) {
      var root = this.getNode(token),
          docs = root.docs || {},
          memo = memo || []
  
      if (Object.keys(docs).length) memo.push(token)
  
      Object.keys(root)
          .forEach(function (key) {
            if (key === 'docs') return
  
            memo.concat(this.expand(token + key, memo))
          }, this)
  
      return memo
    }
  
    /**
     * Returns a representation of the token store ready for serialisation.
     *
     * @returns {Object}
     * @memberOf TokenStore
     */
    lunr.TokenStore.prototype.toJSON = function () {
      return {
        root: this.root,
        length: this.length
      }
    }
  
  
    /**
     * export the module via AMD, CommonJS or as a browser global
     * Export code from https://github.com/umdjs/umd/blob/master/returnExports.js
     */
    ;(function (root, factory) {
      if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(factory)
      } else if (typeof exports === 'object') {
        /**
         * Node. Does not work with strict CommonJS, but
         * only CommonJS-like enviroments that support module.exports,
         * like Node.
         */
        module.exports = factory()
      } else {
        // Browser globals (root is window)
        root.lunr = factory()
      }
    }(this, function () {
      /**
       * Just return a value to define the module export.
       * This example returns an object, but the module
       * can return a function as the exported value.
       */
      return lunr
    }))
  })()
  ;
  /*
   * jQuery Highlight plugin
   *
   * Based on highlight v3 by Johann Burkard
   * http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html
   *
   * Code a little bit refactored and cleaned (in my humble opinion).
   * Most important changes:
   *  - has an option to highlight only entire words (wordsOnly - false by default),
   *  - has an option to be case sensitive (caseSensitive - false by default)
   *  - highlight element tag and class names can be specified in options
   *
   * Usage:
   *   // wrap every occurrance of text 'lorem' in content
   *   // with <span class='highlight'> (default options)
   *   $('#content').highlight('lorem');
   *
   *   // search for and highlight more terms at once
   *   // so you can save some time on traversing DOM
   *   $('#content').highlight(['lorem', 'ipsum']);
   *   $('#content').highlight('lorem ipsum');
   *
   *   // search only for entire word 'lorem'
   *   $('#content').highlight('lorem', { wordsOnly: true });
   *
   *   // don't ignore case during search of term 'lorem'
   *   $('#content').highlight('lorem', { caseSensitive: true });
   *
   *   // wrap every occurrance of term 'ipsum' in content
   *   // with <em class='important'>
   *   $('#content').highlight('ipsum', { element: 'em', className: 'important' });
   *
   *   // remove default highlight
   *   $('#content').unhighlight();
   *
   *   // remove custom highlight
   *   $('#content').unhighlight({ element: 'em', className: 'important' });
   *
   *
   * Copyright (c) 2009 Bartek Szopka
   *
   * Licensed under MIT license.
   *
   */
  
  
  jQuery.extend({
      highlight: function (node, re, nodeName, className) {
          if (node.nodeType === 3) {
              var match = node.data.match(re);
              if (match) {
                  var highlight = document.createElement(nodeName || 'span');
                  highlight.className = className || 'highlight';
                  var wordNode = node.splitText(match.index);
                  wordNode.splitText(match[0].length);
                  var wordClone = wordNode.cloneNode(true);
                  highlight.appendChild(wordClone);
                  wordNode.parentNode.replaceChild(highlight, wordNode);
                  return 1; //skip added node in parent
              }
          } else if ((node.nodeType === 1 && node.childNodes) && // only element nodes that have children
                  !/(script|style)/i.test(node.tagName) && // ignore script and style nodes
                  !(node.tagName === nodeName.toUpperCase() && node.className === className)) { // skip if already highlighted
              for (var i = 0; i < node.childNodes.length; i++) {
                  i += jQuery.highlight(node.childNodes[i], re, nodeName, className);
              }
          }
          return 0;
      }
  });
  
  jQuery.fn.unhighlight = function (options) {
      var settings = { className: 'highlight', element: 'span' };
      jQuery.extend(settings, options);
  
      return this.find(settings.element + "." + settings.className).each(function () {
          var parent = this.parentNode;
          parent.replaceChild(this.firstChild, this);
          parent.normalize();
      }).end();
  };
  
  jQuery.fn.highlight = function (words, options) {
      var settings = { className: 'highlight', element: 'span', caseSensitive: false, wordsOnly: false };
      jQuery.extend(settings, options);
      
      if (words.constructor === String) {
          words = [words];
      }
      words = jQuery.grep(words, function(word, i){
        return word != '';
      });
      words = jQuery.map(words, function(word, i) {
        return word.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
      });
      if (words.length == 0) { return this; };
  
      var flag = settings.caseSensitive ? "" : "i";
      var pattern = "(" + words.join("|") + ")";
      if (settings.wordsOnly) {
          pattern = "\\b" + pattern + "\\b";
      }
      var re = new RegExp(pattern, flag);
      
      return this.each(function () {
          jQuery.highlight(this, re, settings.element, settings.className);
      });
  };
  
  
  
  
  (function () {
    'use strict';
  
    var content, searchResults;
    var highlightOpts = { element: 'span', className: 'search-highlight' };
  
    var index = new lunr.Index();
  
    index.ref('id');
    index.field('title', { boost: 10 });
    index.field('body');
    index.pipeline.add(lunr.trimmer, lunr.stopWordFilter);
  
    $(populate);
    $(bind);
  
    function populate() {
      $('h1, h2').each(function() {
        var title = $(this);
        var body = title.nextUntil('h1, h2');
        index.add({
          id: title.prop('id'),
          title: title.text(),
          body: body.text()
        });
      });
    }
  
    function bind() {
      content = $('.content');
      searchResults = $('.search-results');
  
      $('#input-search').on('keyup', search);
    }
  
    function search(event) {
      unhighlight();
      searchResults.addClass('visible');
  
      // ESC clears the field
      if (event.keyCode === 27) this.value = '';
  
      if (this.value) {
        var results = index.search(this.value).filter(function(r) {
          return r.score > 0.0001;
        });
  
        if (results.length) {
          searchResults.empty();
          $.each(results, function (index, result) {
            var elem = document.getElementById(result.ref);
            searchResults.append("<li><a href='#" + result.ref + "'>" + $(elem).text() + "</a></li>");
          });
          highlight.call(this);
        } else {
          searchResults.html('<li></li>');
          $('.search-results li').text('No Results Found for "' + this.value + '"');
        }
      } else {
        unhighlight();
        searchResults.removeClass('visible');
      }
    }
  
    function highlight() {
      if (this.value) content.highlight(this.value, highlightOpts);
    }
  
    function unhighlight() {
      content.unhighlight(highlightOpts);
    }
  })();
  
  /*! jQuery UI - v1.11.3 - 2015-02-12
   * http://jqueryui.com
   * Includes: widget.js
   * Copyright 2015 jQuery Foundation and other contributors; Licensed MIT */
  
  
  (function( factory ) {
    if ( typeof define === "function" && define.amd ) {
  
      // AMD. Register as an anonymous module.
      define([ "jquery" ], factory );
    } else {
  
      // Browser globals
      factory( jQuery );
    }
  }(function( $ ) {
    /*!
     * jQuery UI Widget 1.11.3
     * http://jqueryui.com
     *
     * Copyright jQuery Foundation and other contributors
     * Released under the MIT license.
     * http://jquery.org/license
     *
     * http://api.jqueryui.com/jQuery.widget/
     */
  
  
    var widget_uuid = 0,
        widget_slice = Array.prototype.slice;
  
    $.cleanData = (function( orig ) {
      return function( elems ) {
        var events, elem, i;
        for ( i = 0; (elem = elems[i]) != null; i++ ) {
          try {
  
            // Only trigger remove when necessary to save time
            events = $._data( elem, "events" );
            if ( events && events.remove ) {
              $( elem ).triggerHandler( "remove" );
            }
  
            // http://bugs.jquery.com/ticket/8235
          } catch ( e ) {}
        }
        orig( elems );
      };
    })( $.cleanData );
  
    $.widget = function( name, base, prototype ) {
      var fullName, existingConstructor, constructor, basePrototype,
      // proxiedPrototype allows the provided prototype to remain unmodified
      // so that it can be used as a mixin for multiple widgets (#8876)
          proxiedPrototype = {},
          namespace = name.split( "." )[ 0 ];
  
      name = name.split( "." )[ 1 ];
      fullName = namespace + "-" + name;
  
      if ( !prototype ) {
        prototype = base;
        base = $.Widget;
      }
  
      // create selector for plugin
      $.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
        return !!$.data( elem, fullName );
      };
  
      $[ namespace ] = $[ namespace ] || {};
      existingConstructor = $[ namespace ][ name ];
      constructor = $[ namespace ][ name ] = function( options, element ) {
        // allow instantiation without "new" keyword
        if ( !this._createWidget ) {
          return new constructor( options, element );
        }
  
        // allow instantiation without initializing for simple inheritance
        // must use "new" keyword (the code above always passes args)
        if ( arguments.length ) {
          this._createWidget( options, element );
        }
      };
      // extend with the existing constructor to carry over any static properties
      $.extend( constructor, existingConstructor, {
        version: prototype.version,
        // copy the object used to create the prototype in case we need to
        // redefine the widget later
        _proto: $.extend( {}, prototype ),
        // track widgets that inherit from this widget in case this widget is
        // redefined after a widget inherits from it
        _childConstructors: []
      });
  
      basePrototype = new base();
      // we need to make the options hash a property directly on the new instance
      // otherwise we'll modify the options hash on the prototype that we're
      // inheriting from
      basePrototype.options = $.widget.extend( {}, basePrototype.options );
      $.each( prototype, function( prop, value ) {
        if ( !$.isFunction( value ) ) {
          proxiedPrototype[ prop ] = value;
          return;
        }
        proxiedPrototype[ prop ] = (function() {
          var _super = function() {
                return base.prototype[ prop ].apply( this, arguments );
              },
              _superApply = function( args ) {
                return base.prototype[ prop ].apply( this, args );
              };
          return function() {
            var __super = this._super,
                __superApply = this._superApply,
                returnValue;
  
            this._super = _super;
            this._superApply = _superApply;
  
            returnValue = value.apply( this, arguments );
  
            this._super = __super;
            this._superApply = __superApply;
  
            return returnValue;
          };
        })();
      });
      constructor.prototype = $.widget.extend( basePrototype, {
        // TODO: remove support for widgetEventPrefix
        // always use the name + a colon as the prefix, e.g., draggable:start
        // don't prefix for widgets that aren't DOM-based
        widgetEventPrefix: existingConstructor ? (basePrototype.widgetEventPrefix || name) : name
      }, proxiedPrototype, {
        constructor: constructor,
        namespace: namespace,
        widgetName: name,
        widgetFullName: fullName
      });
  
      // If this widget is being redefined then we need to find all widgets that
      // are inheriting from it and redefine all of them so that they inherit from
      // the new version of this widget. We're essentially trying to replace one
      // level in the prototype chain.
      if ( existingConstructor ) {
        $.each( existingConstructor._childConstructors, function( i, child ) {
          var childPrototype = child.prototype;
  
          // redefine the child widget using the same prototype that was
          // originally used, but inherit from the new version of the base
          $.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
        });
        // remove the list of existing child constructors from the old constructor
        // so the old child constructors can be garbage collected
        delete existingConstructor._childConstructors;
      } else {
        base._childConstructors.push( constructor );
      }
  
      $.widget.bridge( name, constructor );
  
      return constructor;
    };
  
    $.widget.extend = function( target ) {
      var input = widget_slice.call( arguments, 1 ),
          inputIndex = 0,
          inputLength = input.length,
          key,
          value;
      for ( ; inputIndex < inputLength; inputIndex++ ) {
        for ( key in input[ inputIndex ] ) {
          value = input[ inputIndex ][ key ];
          if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
            // Clone objects
            if ( $.isPlainObject( value ) ) {
              target[ key ] = $.isPlainObject( target[ key ] ) ?
                  $.widget.extend( {}, target[ key ], value ) :
                // Don't extend strings, arrays, etc. with objects
                  $.widget.extend( {}, value );
              // Copy everything else by reference
            } else {
              target[ key ] = value;
            }
          }
        }
      }
      return target;
    };
  
    $.widget.bridge = function( name, object ) {
      var fullName = object.prototype.widgetFullName || name;
      $.fn[ name ] = function( options ) {
        var isMethodCall = typeof options === "string",
            args = widget_slice.call( arguments, 1 ),
            returnValue = this;
  
        if ( isMethodCall ) {
          this.each(function() {
            var methodValue,
                instance = $.data( this, fullName );
            if ( options === "instance" ) {
              returnValue = instance;
              return false;
            }
            if ( !instance ) {
              return $.error( "cannot call methods on " + name + " prior to initialization; " +
              "attempted to call method '" + options + "'" );
            }
            if ( !$.isFunction( instance[options] ) || options.charAt( 0 ) === "_" ) {
              return $.error( "no such method '" + options + "' for " + name + " widget instance" );
            }
            methodValue = instance[ options ].apply( instance, args );
            if ( methodValue !== instance && methodValue !== undefined ) {
              returnValue = methodValue && methodValue.jquery ?
                  returnValue.pushStack( methodValue.get() ) :
                  methodValue;
              return false;
            }
          });
        } else {
  
          // Allow multiple hashes to be passed on init
          if ( args.length ) {
            options = $.widget.extend.apply( null, [ options ].concat(args) );
          }
  
          this.each(function() {
            var instance = $.data( this, fullName );
            if ( instance ) {
              instance.option( options || {} );
              if ( instance._init ) {
                instance._init();
              }
            } else {
              $.data( this, fullName, new object( options, this ) );
            }
          });
        }
  
        return returnValue;
      };
    };
  
    $.Widget = function( /* options, element */ ) {};
    $.Widget._childConstructors = [];
  
    $.Widget.prototype = {
      widgetName: "widget",
      widgetEventPrefix: "",
      defaultElement: "<div>",
      options: {
        disabled: false,
  
        // callbacks
        create: null
      },
      _createWidget: function( options, element ) {
        element = $( element || this.defaultElement || this )[ 0 ];
        this.element = $( element );
        this.uuid = widget_uuid++;
        this.eventNamespace = "." + this.widgetName + this.uuid;
  
        this.bindings = $();
        this.hoverable = $();
        this.focusable = $();
  
        if ( element !== this ) {
          $.data( element, this.widgetFullName, this );
          this._on( true, this.element, {
            remove: function( event ) {
              if ( event.target === element ) {
                this.destroy();
              }
            }
          });
          this.document = $( element.style ?
            // element within the document
              element.ownerDocument :
            // element is window or document
          element.document || element );
          this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
        }
  
        this.options = $.widget.extend( {},
            this.options,
            this._getCreateOptions(),
            options );
  
        this._create();
        this._trigger( "create", null, this._getCreateEventData() );
        this._init();
      },
      _getCreateOptions: $.noop,
      _getCreateEventData: $.noop,
      _create: $.noop,
      _init: $.noop,
  
      destroy: function() {
        this._destroy();
        // we can probably remove the unbind calls in 2.0
        // all event bindings should go through this._on()
        this.element
            .unbind( this.eventNamespace )
            .removeData( this.widgetFullName )
          // support: jquery <1.6.3
          // http://bugs.jquery.com/ticket/9413
            .removeData( $.camelCase( this.widgetFullName ) );
        this.widget()
            .unbind( this.eventNamespace )
            .removeAttr( "aria-disabled" )
            .removeClass(
            this.widgetFullName + "-disabled " +
            "ui-state-disabled" );
  
        // clean up events and states
        this.bindings.unbind( this.eventNamespace );
        this.hoverable.removeClass( "ui-state-hover" );
        this.focusable.removeClass( "ui-state-focus" );
      },
      _destroy: $.noop,
  
      widget: function() {
        return this.element;
      },
  
      option: function( key, value ) {
        var options = key,
            parts,
            curOption,
            i;
  
        if ( arguments.length === 0 ) {
          // don't return a reference to the internal hash
          return $.widget.extend( {}, this.options );
        }
  
        if ( typeof key === "string" ) {
          // handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
          options = {};
          parts = key.split( "." );
          key = parts.shift();
          if ( parts.length ) {
            curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
            for ( i = 0; i < parts.length - 1; i++ ) {
              curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
              curOption = curOption[ parts[ i ] ];
            }
            key = parts.pop();
            if ( arguments.length === 1 ) {
              return curOption[ key ] === undefined ? null : curOption[ key ];
            }
            curOption[ key ] = value;
          } else {
            if ( arguments.length === 1 ) {
              return this.options[ key ] === undefined ? null : this.options[ key ];
            }
            options[ key ] = value;
          }
        }
  
        this._setOptions( options );
  
        return this;
      },
      _setOptions: function( options ) {
        var key;
  
        for ( key in options ) {
          this._setOption( key, options[ key ] );
        }
  
        return this;
      },
      _setOption: function( key, value ) {
        this.options[ key ] = value;
  
        if ( key === "disabled" ) {
          this.widget()
              .toggleClass( this.widgetFullName + "-disabled", !!value );
  
          // If the widget is becoming disabled, then nothing is interactive
          if ( value ) {
            this.hoverable.removeClass( "ui-state-hover" );
            this.focusable.removeClass( "ui-state-focus" );
          }
        }
  
        return this;
      },
  
      enable: function() {
        return this._setOptions({ disabled: false });
      },
      disable: function() {
        return this._setOptions({ disabled: true });
      },
  
      _on: function( suppressDisabledCheck, element, handlers ) {
        var delegateElement,
            instance = this;
  
        // no suppressDisabledCheck flag, shuffle arguments
        if ( typeof suppressDisabledCheck !== "boolean" ) {
          handlers = element;
          element = suppressDisabledCheck;
          suppressDisabledCheck = false;
        }
  
        // no element argument, shuffle and use this.element
        if ( !handlers ) {
          handlers = element;
          element = this.element;
          delegateElement = this.widget();
        } else {
          element = delegateElement = $( element );
          this.bindings = this.bindings.add( element );
        }
  
        $.each( handlers, function( event, handler ) {
          function handlerProxy() {
            // allow widgets to customize the disabled handling
            // - disabled as an array instead of boolean
            // - disabled class as method for disabling individual parts
            if ( !suppressDisabledCheck &&
                ( instance.options.disabled === true ||
                $( this ).hasClass( "ui-state-disabled" ) ) ) {
              return;
            }
            return ( typeof handler === "string" ? instance[ handler ] : handler )
                .apply( instance, arguments );
          }
  
          // copy the guid so direct unbinding works
          if ( typeof handler !== "string" ) {
            handlerProxy.guid = handler.guid =
                handler.guid || handlerProxy.guid || $.guid++;
          }
  
          var match = event.match( /^([\w:-]*)\s*(.*)$/ ),
              eventName = match[1] + instance.eventNamespace,
              selector = match[2];
          if ( selector ) {
            delegateElement.delegate( selector, eventName, handlerProxy );
          } else {
            element.bind( eventName, handlerProxy );
          }
        });
      },
  
      _off: function( element, eventName ) {
        eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) +
        this.eventNamespace;
        element.unbind( eventName ).undelegate( eventName );
  
        // Clear the stack to avoid memory leaks (#10056)
        this.bindings = $( this.bindings.not( element ).get() );
        this.focusable = $( this.focusable.not( element ).get() );
        this.hoverable = $( this.hoverable.not( element ).get() );
      },
  
      _delay: function( handler, delay ) {
        function handlerProxy() {
          return ( typeof handler === "string" ? instance[ handler ] : handler )
              .apply( instance, arguments );
        }
        var instance = this;
        return setTimeout( handlerProxy, delay || 0 );
      },
  
      _hoverable: function( element ) {
        this.hoverable = this.hoverable.add( element );
        this._on( element, {
          mouseenter: function( event ) {
            $( event.currentTarget ).addClass( "ui-state-hover" );
          },
          mouseleave: function( event ) {
            $( event.currentTarget ).removeClass( "ui-state-hover" );
          }
        });
      },
  
      _focusable: function( element ) {
        this.focusable = this.focusable.add( element );
        this._on( element, {
          focusin: function( event ) {
            $( event.currentTarget ).addClass( "ui-state-focus" );
          },
          focusout: function( event ) {
            $( event.currentTarget ).removeClass( "ui-state-focus" );
          }
        });
      },
  
      _trigger: function( type, event, data ) {
        var prop, orig,
            callback = this.options[ type ];
  
        data = data || {};
        event = $.Event( event );
        event.type = ( type === this.widgetEventPrefix ?
            type :
        this.widgetEventPrefix + type ).toLowerCase();
        // the original event may come from any element
        // so we need to reset the target on the new event
        event.target = this.element[ 0 ];
  
        // copy original event properties over to the new event
        orig = event.originalEvent;
        if ( orig ) {
          for ( prop in orig ) {
            if ( !( prop in event ) ) {
              event[ prop ] = orig[ prop ];
            }
          }
        }
  
        this.element.trigger( event, data );
        return !( $.isFunction( callback ) &&
        callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
        event.isDefaultPrevented() );
      }
    };
  
    $.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
      $.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
        if ( typeof options === "string" ) {
          options = { effect: options };
        }
        var hasOptions,
            effectName = !options ?
                method :
                options === true || typeof options === "number" ?
                    defaultEffect :
                options.effect || defaultEffect;
        options = options || {};
        if ( typeof options === "number" ) {
          options = { duration: options };
        }
        hasOptions = !$.isEmptyObject( options );
        options.complete = callback;
        if ( options.delay ) {
          element.delay( options.delay );
        }
        if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
          element[ method ]( options );
        } else if ( effectName !== method && element[ effectName ] ) {
          element[ effectName ]( options.duration, options.easing, callback );
        } else {
          element.queue(function( next ) {
            $( this )[ method ]();
            if ( callback ) {
              callback.call( element[ 0 ] );
            }
            next();
          });
        }
      };
    });
  
    var widget = $.widget;
  
  
  
  }));
  /* jquery Tocify - v1.8.0 - 2013-09-16
  * http://www.gregfranko.com/jquery.tocify.js/
  * Copyright (c) 2013 Greg Franko; Licensed MIT
  * Modified lightly by Robert Lord to fix a bug I found,
  * and also so it adds ids to headers
  * also because I want height caching, since the
  * height lookup for h1s and h2s was causing serious
  * lag spikes below 30 fps */
  
  // Immediately-Invoked Function Expression (IIFE) [Ben Alman Blog Post](http://benalman.com/news/2010/11/immediately-invoked-function-expression/) that calls another IIFE that contains all of the plugin logic.  I used this pattern so that anyone viewing this code would not have to scroll to the bottom of the page to view the local parameters that were passed to the main IIFE.
  (function(tocify) {
  
      // ECMAScript 5 Strict Mode: [John Resig Blog Post](http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/)
      "use strict";
  
      // Calls the second IIFE and locally passes in the global jQuery, window, and document objects
      tocify(window.jQuery, window, document);
  
  }
  
  // Locally passes in `jQuery`, the `window` object, the `document` object, and an `undefined` variable.  The `jQuery`, `window` and `document` objects are passed in locally, to improve performance, since javascript first searches for a variable match within the local variables set before searching the global variables set.  All of the global variables are also passed in locally to be minifier friendly. `undefined` can be passed in locally, because it is not a reserved word in JavaScript.
  (function($, window, document, undefined) {
  
      // ECMAScript 5 Strict Mode: [John Resig Blog Post](http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/)
      "use strict";
  
      var tocClassName = "tocify",
          tocClass = "." + tocClassName,
          tocFocusClassName = "tocify-focus",
          tocHoverClassName = "tocify-hover",
          hideTocClassName = "tocify-hide",
          hideTocClass = "." + hideTocClassName,
          headerClassName = "tocify-header",
          headerClass = "." + headerClassName,
          subheaderClassName = "tocify-subheader",
          subheaderClass = "." + subheaderClassName,
          itemClassName = "tocify-item",
          itemClass = "." + itemClassName,
          extendPageClassName = "tocify-extend-page",
          extendPageClass = "." + extendPageClassName;
  
      // Calling the jQueryUI Widget Factory Method
      $.widget("toc.tocify", {
  
          //Plugin version
          version: "1.8.0",
  
          // These options will be used as defaults
          options: {
  
              // **context**: Accepts String: Any jQuery selector
              // The container element that holds all of the elements used to generate the table of contents
              context: "body",
  
              // **ignoreSelector**: Accepts String: Any jQuery selector
              // A selector to any element that would be matched by selectors that you wish to be ignored
              ignoreSelector: null,
  
              // **selectors**: Accepts an Array of Strings: Any jQuery selectors
              // The element's used to generate the table of contents.  The order is very important since it will determine the table of content's nesting structure
              selectors: "h1, h2, h3",
  
              // **showAndHide**: Accepts a boolean: true or false
              // Used to determine if elements should be shown and hidden
              showAndHide: true,
  
              // **showEffect**: Accepts String: "none", "fadeIn", "show", or "slideDown"
              // Used to display any of the table of contents nested items
              showEffect: "slideDown",
  
              // **showEffectSpeed**: Accepts Number (milliseconds) or String: "slow", "medium", or "fast"
              // The time duration of the show animation
              showEffectSpeed: "fast",
  
              // **hideEffect**: Accepts String: "none", "fadeOut", "hide", or "slideUp"
              // Used to hide any of the table of contents nested items
              hideEffect: "slideUp",
  
              // **hideEffectSpeed**: Accepts Number (milliseconds) or String: "slow", "medium", or "fast"
              // The time duration of the hide animation
              hideEffectSpeed: "fast",
  
              // **smoothScroll**: Accepts a boolean: true or false
              // Determines if a jQuery animation should be used to scroll to specific table of contents items on the page
              smoothScroll: true,
  
              // **smoothScrollSpeed**: Accepts Number (milliseconds) or String: "slow", "medium", or "fast"
              // The time duration of the smoothScroll animation
              smoothScrollSpeed: "fast",
  
              // **scrollTo**: Accepts Number (pixels)
              // The amount of space between the top of page and the selected table of contents item after the page has been scrolled
              scrollTo: 100,
  
              // **showAndHideOnScroll**: Accepts a boolean: true or false
              // Determines if table of contents nested items should be shown and hidden while scrolling
              showAndHideOnScroll: true,
  
              // **highlightOnScroll**: Accepts a boolean: true or false
              // Determines if table of contents nested items should be highlighted (set to a different color) while scrolling
              highlightOnScroll: true,
  
              // **highlightOffset**: Accepts a number
              // The offset distance in pixels to trigger the next active table of contents item
              highlightOffset: 40,
  
              // **theme**: Accepts a string: "bootstrap", "jqueryui", or "none"
              // Determines if Twitter Bootstrap, jQueryUI, or Tocify classes should be added to the table of contents
              theme: "none",
  
              // **extendPage**: Accepts a boolean: true or false
              // If a user scrolls to the bottom of the page and the page is not tall enough to scroll to the last table of contents item, then the page height is increased
              extendPage: true,
  
              // **extendPageOffset**: Accepts a number: pixels
              // How close to the bottom of the page a user must scroll before the page is extended
              extendPageOffset: 100,
  
              // **history**: Accepts a boolean: true or false
              // Adds a hash to the page url to maintain history
              history: true,
  
              // **scrollHistory**: Accepts a boolean: true or false
              // Adds a hash to the page url, to maintain history, when scrolling to a TOC item
              scrollHistory: false,
  
              // **hashGenerator**: How the hash value (the anchor segment of the URL, following the
              // # character) will be generated.
              //
              // "compact" (default) - #CompressesEverythingTogether
              // "pretty" - #looks-like-a-nice-url-and-is-easily-readable
              // function(text, element){} - Your own hash generation function that accepts the text as an
              // argument, and returns the hash value.
              hashGenerator: "pretty",
  
              // **highlightDefault**: Accepts a boolean: true or false
              // Set's the first TOC item as active if no other TOC item is active.
              highlightDefault: true
  
          },
  
          // _Create
          // -------
          //      Constructs the plugin.  Only called once.
          _create: function() {
  
              var self = this;
  
              self.tocifyWrapper = $('.tocify-wrapper');
              self.extendPageScroll = true;
  
              // Internal array that keeps track of all TOC items (Helps to recognize if there are duplicate TOC item strings)
              self.items = [];
  
              // Generates the HTML for the dynamic table of contents
              self._generateToc();
  
              // Caches heights and anchors
              self.cachedHeights = [],
              self.cachedAnchors = [];
  
              // Adds CSS classes to the newly generated table of contents HTML
              self._addCSSClasses();
  
              self.webkit = (function() {
  
                  for(var prop in window) {
  
                      if(prop) {
  
                          if(prop.toLowerCase().indexOf("webkit") !== -1) {
  
                              return true;
  
                          }
  
                      }
  
                  }
  
                  return false;
  
              }());
  
              // Adds jQuery event handlers to the newly generated table of contents
              self._setEventHandlers();
  
              // Binding to the Window load event to make sure the correct scrollTop is calculated
              $(window).load(function() {
  
                  // Sets the active TOC item
                  self._setActiveElement(true);
  
                  // Once all animations on the page are complete, this callback function will be called
                  $("html, body").promise().done(function() {
  
                      setTimeout(function() {
  
                          self.extendPageScroll = false;
  
                      },0);
  
                  });
  
              });
  
          },
  
          // _generateToc
          // ------------
          //      Generates the HTML for the dynamic table of contents
          _generateToc: function() {
  
              // _Local variables_
  
              // Stores the plugin context in the self variable
              var self = this,
  
                  // All of the HTML tags found within the context provided (i.e. body) that match the top level jQuery selector above
                  firstElem,
  
                  // Instantiated variable that will store the top level newly created unordered list DOM element
                  ul,
                  ignoreSelector = self.options.ignoreSelector;
  
               // If the selectors option has a comma within the string
               if(this.options.selectors.indexOf(",") !== -1) {
  
                   // Grabs the first selector from the string
                   firstElem = $(this.options.context).find(this.options.selectors.replace(/ /g,"").substr(0, this.options.selectors.indexOf(",")));
  
               }
  
               // If the selectors option does not have a comman within the string
               else {
  
                   // Grabs the first selector from the string and makes sure there are no spaces
                   firstElem = $(this.options.context).find(this.options.selectors.replace(/ /g,""));
  
               }
  
              if(!firstElem.length) {
  
                  self.element.addClass(hideTocClassName);
  
                  return;
  
              }
  
              self.element.addClass(tocClassName);
  
              // Loops through each top level selector
              firstElem.each(function(index) {
  
                  //If the element matches the ignoreSelector then we skip it
                  if($(this).is(ignoreSelector)) {
                      return;
                  }
  
                  // Creates an unordered list HTML element and adds a dynamic ID and standard class name
                  ul = $("<ul/>", {
                      "id": headerClassName + index,
                      "class": headerClassName
                  }).
  
                  // Appends a top level list item HTML element to the previously created HTML header
                  append(self._nestElements($(this), index));
  
                  // Add the created unordered list element to the HTML element calling the plugin
                  self.element.append(ul);
  
                  // Finds all of the HTML tags between the header and subheader elements
                  $(this).nextUntil(this.nodeName.toLowerCase()).each(function() {
  
                      // If there are no nested subheader elemements
                      if($(this).find(self.options.selectors).length === 0) {
  
                          // Loops through all of the subheader elements
                          $(this).filter(self.options.selectors).each(function() {
  
                              //If the element matches the ignoreSelector then we skip it
                              if($(this).is(ignoreSelector)) {
                                  return;
                              }
  
                              self._appendSubheaders.call(this, self, ul);
  
                          });
  
                      }
  
                      // If there are nested subheader elements
                      else {
  
                          // Loops through all of the subheader elements
                          $(this).find(self.options.selectors).each(function() {
  
                              //If the element matches the ignoreSelector then we skip it
                              if($(this).is(ignoreSelector)) {
                                  return;
                              }
  
                              self._appendSubheaders.call(this, self, ul);
  
                          });
  
                      }
  
                  });
  
              });
  
          },
  
          _setActiveElement: function(pageload) {
  
              var self = this,
  
                  hash = window.location.hash.substring(1),
  
                  elem = self.element.find("li[data-unique='" + hash + "']");
  
              if(hash.length) {
  
                  // Removes highlighting from all of the list item's
                  self.element.find("." + self.focusClass).removeClass(self.focusClass);
  
                  // Highlights the current list item that was clicked
                  elem.addClass(self.focusClass);
  
                  // If the showAndHide option is true
                  if(self.options.showAndHide) {
  
                      // Triggers the click event on the currently focused TOC item
                      elem.click();
  
                  }
  
              }
  
              else {
  
                  // Removes highlighting from all of the list item's
                  self.element.find("." + self.focusClass).removeClass(self.focusClass);
  
                  if(!hash.length && pageload && self.options.highlightDefault) {
  
                      // Highlights the first TOC item if no other items are highlighted
                      self.element.find(itemClass).first().addClass(self.focusClass);
  
                  }
  
              }
  
              return self;
  
          },
  
          // _nestElements
          // -------------
          //      Helps create the table of contents list by appending nested list items
          _nestElements: function(self, index) {
  
              var arr, item, hashValue;
  
              arr = $.grep(this.items, function (item) {
  
                  return item === self.text();
  
              });
  
              // If there is already a duplicate TOC item
              if(arr.length) {
  
                  // Adds the current TOC item text and index (for slight randomization) to the internal array
                  this.items.push(self.text() + index);
  
              }
  
              // If there not a duplicate TOC item
              else {
  
                  // Adds the current TOC item text to the internal array
                  this.items.push(self.text());
  
              }
  
              hashValue = this._generateHashValue(arr, self, index);
  
              // ADDED BY ROBERT
              // actually add the hash value to the element's id
              // self.attr("id", "link-" + hashValue);
  
              // Appends a list item HTML element to the last unordered list HTML element found within the HTML element calling the plugin
              item = $("<li/>", {
  
                  // Sets a common class name to the list item
                  "class": itemClassName,
  
                  "data-unique": hashValue
  
              }).append($("<a/>", {
  
                  "text": self.text()
  
              }));
  
              // Adds an HTML anchor tag before the currently traversed HTML element
              self.before($("<div/>", {
  
                  // Sets a name attribute on the anchor tag to the text of the currently traversed HTML element (also making sure that all whitespace is replaced with an underscore)
                  "name": hashValue,
  
                  "data-unique": hashValue
  
              }));
  
              return item;
  
          },
  
          // _generateHashValue
          // ------------------
          //      Generates the hash value that will be used to refer to each item.
          _generateHashValue: function(arr, self, index) {
  
              var hashValue = "",
                  hashGeneratorOption = this.options.hashGenerator;
  
              if (hashGeneratorOption === "pretty") {
                  // remove weird characters
  
  
                  // prettify the text
                  hashValue = self.text().toLowerCase().replace(/\s/g, "-");
  
                  // ADDED BY ROBERT
                  // remove weird characters
                  hashValue = hashValue.replace(/[^\x00-\x7F]/g, "");
  
                  // fix double hyphens
                  while (hashValue.indexOf("--") > -1) {
                      hashValue = hashValue.replace(/--/g, "-");
                  }
  
                  // fix colon-space instances
                  while (hashValue.indexOf(":-") > -1) {
                      hashValue = hashValue.replace(/:-/g, "-");
                  }
  
              } else if (typeof hashGeneratorOption === "function") {
  
                  // call the function
                  hashValue = hashGeneratorOption(self.text(), self);
  
              } else {
  
                  // compact - the default
                  hashValue = self.text().replace(/\s/g, "");
  
              }
  
              // add the index if we need to
              if (arr.length) { hashValue += ""+index; }
  
              // return the value
              return hashValue;
  
          },
  
          // _appendElements
          // ---------------
          //      Helps create the table of contents list by appending subheader elements
  
          _appendSubheaders: function(self, ul) {
  
              // The current element index
              var index = $(this).index(self.options.selectors),
  
                  // Finds the previous header DOM element
                  previousHeader = $(self.options.selectors).eq(index - 1),
  
                  currentTagName = +$(this).prop("tagName").charAt(1),
  
                  previousTagName = +previousHeader.prop("tagName").charAt(1),
  
                  lastSubheader;
  
              // If the current header DOM element is smaller than the previous header DOM element or the first subheader
              if(currentTagName < previousTagName) {
  
                  // Selects the last unordered list HTML found within the HTML element calling the plugin
                  self.element.find(subheaderClass + "[data-tag=" + currentTagName + "]").last().append(self._nestElements($(this), index));
  
              }
  
              // If the current header DOM element is the same type of header(eg. h4) as the previous header DOM element
              else if(currentTagName === previousTagName) {
  
                  ul.find(itemClass).last().after(self._nestElements($(this), index));
  
              }
  
              else {
  
                  // Selects the last unordered list HTML found within the HTML element calling the plugin
                  ul.find(itemClass).last().
  
                  // Appends an unorderedList HTML element to the dynamic `unorderedList` variable and sets a common class name
                  after($("<ul/>", {
  
                      "class": subheaderClassName,
  
                      "data-tag": currentTagName
  
                  })).next(subheaderClass).
  
                  // Appends a list item HTML element to the last unordered list HTML element found within the HTML element calling the plugin
                  append(self._nestElements($(this), index));
              }
  
          },
  
         // _setEventHandlers
          // ----------------
          //      Adds jQuery event handlers to the newly generated table of contents
          _setEventHandlers: function() {
  
              // _Local variables_
  
              // Stores the plugin context in the self variable
              var self = this,
  
                  // Instantiates a new variable that will be used to hold a specific element's context
                  $self,
  
                  // Instantiates a new variable that will be used to determine the smoothScroll animation time duration
                  duration;
  
              // Event delegation that looks for any clicks on list item elements inside of the HTML element calling the plugin
              this.element.on("click.tocify", "li", function(event) {
  
                  if(self.options.history) {
  
                      window.location.hash = $(this).attr("data-unique");
  
                  }
  
                  // Removes highlighting from all of the list item's
                  self.element.find("." + self.focusClass).removeClass(self.focusClass);
  
                  // Highlights the current list item that was clicked
                  $(this).addClass(self.focusClass);
  
                  // If the showAndHide option is true
                  if(self.options.showAndHide) {
  
                      var elem = $('li[data-unique="' + $(this).attr("data-unique") + '"]');
  
                      self._triggerShow(elem);
  
                  }
  
                  self._scrollTo($(this));
  
              });
  
              // Mouseenter and Mouseleave event handlers for the list item's within the HTML element calling the plugin
              this.element.find("li").on({
  
                  // Mouseenter event handler
                  "mouseenter.tocify": function() {
  
                      // Adds a hover CSS class to the current list item
                      $(this).addClass(self.hoverClass);
  
                      // Makes sure the cursor is set to the pointer icon
                      $(this).css("cursor", "pointer");
  
                  },
  
                  // Mouseleave event handler
                  "mouseleave.tocify": function() {
  
                      if(self.options.theme !== "bootstrap") {
  
                          // Removes the hover CSS class from the current list item
                          $(this).removeClass(self.hoverClass);
  
                      }
  
                  }
              });
  
              // Reset height cache on scroll
  
              $(window).on('resize', function() {
                  self.calculateHeights();
              });
  
              // Window scroll event handler
              $(window).on("scroll.tocify", function() {
  
                  // Once all animations on the page are complete, this callback function will be called
                  $("html, body").promise().done(function() {
  
                      // Local variables
  
                      // Stores how far the user has scrolled
                      var winScrollTop = $(window).scrollTop(),
  
                          // Stores the height of the window
                          winHeight = $(window).height(),
  
                          // Stores the height of the document
                          docHeight = $(document).height(),
  
                          scrollHeight = $("body")[0].scrollHeight,
  
                          // Instantiates a variable that will be used to hold a selected HTML element
                          elem,
  
                          lastElem,
  
                          lastElemOffset,
  
                          currentElem;
  
                      if(self.options.extendPage) {
  
                          // If the user has scrolled to the bottom of the page and the last toc item is not focused
                          if((self.webkit && winScrollTop >= scrollHeight - winHeight - self.options.extendPageOffset) || (!self.webkit && winHeight + winScrollTop > docHeight - self.options.extendPageOffset)) {
  
                              if(!$(extendPageClass).length) {
  
                                  lastElem = $('div[data-unique="' + $(itemClass).last().attr("data-unique") + '"]');
  
                                  if(!lastElem.length) return;
  
                                  // Gets the top offset of the page header that is linked to the last toc item
                                  lastElemOffset = lastElem.offset().top;
  
                                  // Appends a div to the bottom of the page and sets the height to the difference of the window scrollTop and the last element's position top offset
                                  $(self.options.context).append($("<div />", {
  
                                      "class": extendPageClassName,
  
                                      "height": Math.abs(lastElemOffset - winScrollTop) + "px",
  
                                      "data-unique": extendPageClassName
  
                                  }));
  
                                  if(self.extendPageScroll) {
  
                                      currentElem = self.element.find('li.active');
  
                                      self._scrollTo($("div[data-unique=" + currentElem.attr("data-unique") + "]"));
  
                                  }
  
                              }
  
                          }
  
                      }
  
                      // The zero timeout ensures the following code is run after the scroll events
                      setTimeout(function() {
  
                          // _Local variables_
  
                          // Stores the distance to the closest anchor
                          var // Stores the index of the closest anchor
                              closestAnchorIdx = null,
                              anchorText;
  
                          // if never calculated before, calculate and cache the heights
                          if (self.cachedHeights.length == 0) {
                              self.calculateHeights();
                          }
  
                          var scrollTop = $(window).scrollTop();
  
                          // Determines the index of the closest anchor
                          self.cachedAnchors.each(function(idx) {
                              if (self.cachedHeights[idx] - scrollTop < 0) {
                                  closestAnchorIdx = idx;
                              } else {
                                  return false;
                              }
                          });
  
                          anchorText = $(self.cachedAnchors[closestAnchorIdx]).attr("data-unique");
  
                          // Stores the list item HTML element that corresponds to the currently traversed anchor tag
                          elem = $('li[data-unique="' + anchorText + '"]');
  
                          // If the `highlightOnScroll` option is true and a next element is found
                          if(self.options.highlightOnScroll && elem.length && !elem.hasClass(self.focusClass)) {
  
                              // Removes highlighting from all of the list item's
                              self.element.find("." + self.focusClass).removeClass(self.focusClass);
  
                              // Highlights the corresponding list item
                              elem.addClass(self.focusClass);
  
                              // Scroll to highlighted element's header
                              var tocifyWrapper = self.tocifyWrapper;
                              var scrollToElem = $(elem).closest('.tocify-header');
  
                              var elementOffset = scrollToElem.offset().top,
                                  wrapperOffset = tocifyWrapper.offset().top;
                              var offset = elementOffset - wrapperOffset;
  
                              if (offset >= $(window).height()) {
                                var scrollPosition = offset + tocifyWrapper.scrollTop();
                                tocifyWrapper.scrollTop(scrollPosition);
                              } else if (offset < 0) {
                                tocifyWrapper.scrollTop(0);
                              }
                          }
  
                          if(self.options.scrollHistory) {
  
                              // IF STATEMENT ADDED BY ROBERT
  
                              if(window.location.hash !== "#" + anchorText && anchorText !== undefined) {
  
                                  if(history.replaceState) {
                                      history.replaceState({}, "", "#" + anchorText);
                                  // provide a fallback
                                  } else {
                                      scrollV = document.body.scrollTop;
                                      scrollH = document.body.scrollLeft;
                                      location.hash = "#" + anchorText;
                                      document.body.scrollTop = scrollV;
                                      document.body.scrollLeft = scrollH;
                                  }
  
                              }
  
                          }
  
                          // If the `showAndHideOnScroll` option is true
                          if(self.options.showAndHideOnScroll && self.options.showAndHide) {
  
                              self._triggerShow(elem, true);
  
                          }
  
                      }, 0);
  
                  });
  
              });
  
          },
  
          // calculateHeights
          // ----
          //      ADDED BY ROBERT
          calculateHeights: function() {
              var self = this;
              self.cachedHeights = [];
              self.cachedAnchors = [];
              var anchors = $(self.options.context).find("div[data-unique]");
              anchors.each(function(idx) {
                  var distance = (($(this).next().length ? $(this).next() : $(this)).offset().top - self.options.highlightOffset);
                  self.cachedHeights[idx] = distance;
              });
              self.cachedAnchors = anchors;
          },
  
          // Show
          // ----
          //      Opens the current sub-header
          show: function(elem, scroll) {
  
              // Stores the plugin context in the `self` variable
              var self = this,
                  element = elem;
  
              // TIM
  
              elem.parent().addClass("current-section");
  
              // If the sub-header is not already visible
              if (!elem.is(":visible")) {
  
                  // If the current element does not have any nested subheaders, is not a header, and its parent is not visible
                  if(!elem.find(subheaderClass).length && !elem.parent().is(headerClass) && !elem.parent().is(":visible")) {
  
                      // Sets the current element to all of the subheaders within the current header
                      elem = elem.parents(subheaderClass).add(elem);
  
                  }
  
                  // If the current element does not have any nested subheaders and is not a header
                  else if(!elem.children(subheaderClass).length && !elem.parent().is(headerClass)) {
  
                      // Sets the current element to the closest subheader
                      elem = elem.closest(subheaderClass);
  
                  }
  
                  //Determines what jQuery effect to use
                  switch (self.options.showEffect) {
  
                      //Uses `no effect`
                      case "none":
  
                          elem.show();
  
                      break;
  
                      //Uses the jQuery `show` special effect
                      case "show":
  
                          elem.show(self.options.showEffectSpeed);
  
                      break;
  
                      //Uses the jQuery `slideDown` special effect
                      case "slideDown":
  
                          elem.slideDown(self.options.showEffectSpeed);
  
                      break;
  
                      //Uses the jQuery `fadeIn` special effect
                      case "fadeIn":
  
                          elem.fadeIn(self.options.showEffectSpeed);
  
                      break;
  
                      //If none of the above options were passed, then a `jQueryUI show effect` is expected
                      default:
  
                          elem.show();
  
                      break;
  
                  }
  
              }
  
              // If the current subheader parent element is a header
              if(elem.parent().is(headerClass)) {
  
                  // Hides all non-active sub-headers
                  self.hide($(subheaderClass).not(elem));
  
              }
  
              // If the current subheader parent element is not a header
              else {
  
                  // Hides all non-active sub-headers
                  self.hide($(subheaderClass).not(elem.closest(headerClass).find(subheaderClass).not(elem.siblings())));
  
              }
  
              // Maintains chainablity
              return self;
  
          },
  
          // Hide
          // ----
          //      Closes the current sub-header
          hide: function(elem) {
  
              // Stores the plugin context in the `self` variable
              var self = this;
  
              //Determines what jQuery effect to use
              switch (self.options.hideEffect) {
  
                  // Uses `no effect`
                  case "none":
  
                      elem.hide();
  
                  break;
  
                  // Uses the jQuery `hide` special effect
                  case "hide":
  
                      elem.hide(self.options.hideEffectSpeed);
  
                  break;
  
                  // Uses the jQuery `slideUp` special effect
                  case "slideUp":
  
                      elem.slideUp(self.options.hideEffectSpeed);
  
                  break;
  
                  // Uses the jQuery `fadeOut` special effect
                  case "fadeOut":
  
                      elem.fadeOut(self.options.hideEffectSpeed);
  
                  break;
  
                  // If none of the above options were passed, then a `jqueryUI hide effect` is expected
                  default:
  
                      elem.hide();
  
                  break;
  
              }
  
              // Maintains chainablity
              return self;
          },
  
          // _triggerShow
          // ------------
          //      Determines what elements get shown on scroll and click
          _triggerShow: function(elem, scroll) {
  
              var self = this;
  
              // If the current element's parent is a header element or the next element is a nested subheader element
              if(elem.parent().is(headerClass) || elem.next().is(subheaderClass)) {
  
                  // Shows the next sub-header element
                  self.show(elem.next(subheaderClass), scroll);
  
              }
  
              // If the current element's parent is a subheader element
              else if(elem.parent().is(subheaderClass)) {
  
                  // Shows the parent sub-header element
                  self.show(elem.parent(), scroll);
  
              }
  
              // Maintains chainability
              return self;
  
          },
  
          // _addCSSClasses
          // --------------
          //      Adds CSS classes to the newly generated table of contents HTML
          _addCSSClasses: function() {
  
              // If the user wants a jqueryUI theme
              if(this.options.theme === "jqueryui") {
  
                  this.focusClass = "ui-state-default";
  
                  this.hoverClass = "ui-state-hover";
  
                  //Adds the default styling to the dropdown list
                  this.element.addClass("ui-widget").find(".toc-title").addClass("ui-widget-header").end().find("li").addClass("ui-widget-content");
  
              }
  
              // If the user wants a twitterBootstrap theme
              else if(this.options.theme === "bootstrap") {
  
                  this.element.find(headerClass + "," + subheaderClass).addClass("nav nav-list");
  
                  this.focusClass = "active";
  
              }
  
              // If a user does not want a prebuilt theme
              else {
  
                  // Adds more neutral classes (instead of jqueryui)
  
                  this.focusClass = tocFocusClassName;
  
                  this.hoverClass = tocHoverClassName;
  
              }
  
              //Maintains chainability
              return this;
  
          },
  
          // setOption
          // ---------
          //      Sets a single Tocify option after the plugin is invoked
          setOption: function() {
  
              // Calls the jQueryUI Widget Factory setOption method
              $.Widget.prototype._setOption.apply(this, arguments);
  
          },
  
          // setOptions
          // ----------
          //      Sets a single or multiple Tocify options after the plugin is invoked
          setOptions: function() {
  
              // Calls the jQueryUI Widget Factory setOptions method
              $.Widget.prototype._setOptions.apply(this, arguments);
  
          },
  
          // _scrollTo
          // ---------
          //      Scrolls to a specific element
          _scrollTo: function(elem) {
  
              var self = this,
                  duration = self.options.smoothScroll || 0,
                  scrollTo = self.options.scrollTo;
  
              // Once all animations on the page are complete, this callback function will be called
              $("html, body").promise().done(function() {
  
                  // Animates the html and body element scrolltops
                  $("html, body").animate({
  
                      // Sets the jQuery `scrollTop` to the top offset of the HTML div tag that matches the current list item's `data-unique` tag
                      "scrollTop": $('div[data-unique="' + elem.attr("data-unique") + '"]').next().offset().top - ($.isFunction(scrollTo) ? scrollTo.call() : scrollTo) - 58 + "px"
  
                  }, {
  
                      // Sets the smoothScroll animation time duration to the smoothScrollSpeed option
                      "duration": duration
  
                  });
  
              });
  
              // Maintains chainability
              return self;
  
          }
  
      });
  
  })); //end of plugin
  ;
  /*!
   * imagesLoaded PACKAGED v3.1.8
   * JavaScript is all like "You images are done yet or what?"
   * MIT License
   */
  
  
  (function(){function e(){}function t(e,t){for(var n=e.length;n--;)if(e[n].listener===t)return n;return-1}function n(e){return function(){return this[e].apply(this,arguments)}}var i=e.prototype,r=this,o=r.EventEmitter;i.getListeners=function(e){var t,n,i=this._getEvents();if("object"==typeof e){t={};for(n in i)i.hasOwnProperty(n)&&e.test(n)&&(t[n]=i[n])}else t=i[e]||(i[e]=[]);return t},i.flattenListeners=function(e){var t,n=[];for(t=0;e.length>t;t+=1)n.push(e[t].listener);return n},i.getListenersAsObject=function(e){var t,n=this.getListeners(e);return n instanceof Array&&(t={},t[e]=n),t||n},i.addListener=function(e,n){var i,r=this.getListenersAsObject(e),o="object"==typeof n;for(i in r)r.hasOwnProperty(i)&&-1===t(r[i],n)&&r[i].push(o?n:{listener:n,once:!1});return this},i.on=n("addListener"),i.addOnceListener=function(e,t){return this.addListener(e,{listener:t,once:!0})},i.once=n("addOnceListener"),i.defineEvent=function(e){return this.getListeners(e),this},i.defineEvents=function(e){for(var t=0;e.length>t;t+=1)this.defineEvent(e[t]);return this},i.removeListener=function(e,n){var i,r,o=this.getListenersAsObject(e);for(r in o)o.hasOwnProperty(r)&&(i=t(o[r],n),-1!==i&&o[r].splice(i,1));return this},i.off=n("removeListener"),i.addListeners=function(e,t){return this.manipulateListeners(!1,e,t)},i.removeListeners=function(e,t){return this.manipulateListeners(!0,e,t)},i.manipulateListeners=function(e,t,n){var i,r,o=e?this.removeListener:this.addListener,s=e?this.removeListeners:this.addListeners;if("object"!=typeof t||t instanceof RegExp)for(i=n.length;i--;)o.call(this,t,n[i]);else for(i in t)t.hasOwnProperty(i)&&(r=t[i])&&("function"==typeof r?o.call(this,i,r):s.call(this,i,r));return this},i.removeEvent=function(e){var t,n=typeof e,i=this._getEvents();if("string"===n)delete i[e];else if("object"===n)for(t in i)i.hasOwnProperty(t)&&e.test(t)&&delete i[t];else delete this._events;return this},i.removeAllListeners=n("removeEvent"),i.emitEvent=function(e,t){var n,i,r,o,s=this.getListenersAsObject(e);for(r in s)if(s.hasOwnProperty(r))for(i=s[r].length;i--;)n=s[r][i],n.once===!0&&this.removeListener(e,n.listener),o=n.listener.apply(this,t||[]),o===this._getOnceReturnValue()&&this.removeListener(e,n.listener);return this},i.trigger=n("emitEvent"),i.emit=function(e){var t=Array.prototype.slice.call(arguments,1);return this.emitEvent(e,t)},i.setOnceReturnValue=function(e){return this._onceReturnValue=e,this},i._getOnceReturnValue=function(){return this.hasOwnProperty("_onceReturnValue")?this._onceReturnValue:!0},i._getEvents=function(){return this._events||(this._events={})},e.noConflict=function(){return r.EventEmitter=o,e},"function"==typeof define&&define.amd?define("eventEmitter/EventEmitter",[],function(){return e}):"object"==typeof module&&module.exports?module.exports=e:this.EventEmitter=e}).call(this),function(e){function t(t){var n=e.event;return n.target=n.target||n.srcElement||t,n}var n=document.documentElement,i=function(){};n.addEventListener?i=function(e,t,n){e.addEventListener(t,n,!1)}:n.attachEvent&&(i=function(e,n,i){e[n+i]=i.handleEvent?function(){var n=t(e);i.handleEvent.call(i,n)}:function(){var n=t(e);i.call(e,n)},e.attachEvent("on"+n,e[n+i])});var r=function(){};n.removeEventListener?r=function(e,t,n){e.removeEventListener(t,n,!1)}:n.detachEvent&&(r=function(e,t,n){e.detachEvent("on"+t,e[t+n]);try{delete e[t+n]}catch(i){e[t+n]=void 0}});var o={bind:i,unbind:r};"function"==typeof define&&define.amd?define("eventie/eventie",o):e.eventie=o}(this),function(e,t){"function"==typeof define&&define.amd?define(["eventEmitter/EventEmitter","eventie/eventie"],function(n,i){return t(e,n,i)}):"object"==typeof exports?module.exports=t(e,require("wolfy87-eventemitter"),require("eventie")):e.imagesLoaded=t(e,e.EventEmitter,e.eventie)}(window,function(e,t,n){function i(e,t){for(var n in t)e[n]=t[n];return e}function r(e){return"[object Array]"===d.call(e)}function o(e){var t=[];if(r(e))t=e;else if("number"==typeof e.length)for(var n=0,i=e.length;i>n;n++)t.push(e[n]);else t.push(e);return t}function s(e,t,n){if(!(this instanceof s))return new s(e,t);"string"==typeof e&&(e=document.querySelectorAll(e)),this.elements=o(e),this.options=i({},this.options),"function"==typeof t?n=t:i(this.options,t),n&&this.on("always",n),this.getImages(),a&&(this.jqDeferred=new a.Deferred);var r=this;setTimeout(function(){r.check()})}function f(e){this.img=e}function c(e){this.src=e,v[e]=this}var a=e.jQuery,u=e.console,h=u!==void 0,d=Object.prototype.toString;s.prototype=new t,s.prototype.options={},s.prototype.getImages=function(){this.images=[];for(var e=0,t=this.elements.length;t>e;e++){var n=this.elements[e];"IMG"===n.nodeName&&this.addImage(n);var i=n.nodeType;if(i&&(1===i||9===i||11===i))for(var r=n.querySelectorAll("img"),o=0,s=r.length;s>o;o++){var f=r[o];this.addImage(f)}}},s.prototype.addImage=function(e){var t=new f(e);this.images.push(t)},s.prototype.check=function(){function e(e,r){return t.options.debug&&h&&u.log("confirm",e,r),t.progress(e),n++,n===i&&t.complete(),!0}var t=this,n=0,i=this.images.length;if(this.hasAnyBroken=!1,!i)return this.complete(),void 0;for(var r=0;i>r;r++){var o=this.images[r];o.on("confirm",e),o.check()}},s.prototype.progress=function(e){this.hasAnyBroken=this.hasAnyBroken||!e.isLoaded;var t=this;setTimeout(function(){t.emit("progress",t,e),t.jqDeferred&&t.jqDeferred.notify&&t.jqDeferred.notify(t,e)})},s.prototype.complete=function(){var e=this.hasAnyBroken?"fail":"done";this.isComplete=!0;var t=this;setTimeout(function(){if(t.emit(e,t),t.emit("always",t),t.jqDeferred){var n=t.hasAnyBroken?"reject":"resolve";t.jqDeferred[n](t)}})},a&&(a.fn.imagesLoaded=function(e,t){var n=new s(this,e,t);return n.jqDeferred.promise(a(this))}),f.prototype=new t,f.prototype.check=function(){var e=v[this.img.src]||new c(this.img.src);if(e.isConfirmed)return this.confirm(e.isLoaded,"cached was confirmed"),void 0;if(this.img.complete&&void 0!==this.img.naturalWidth)return this.confirm(0!==this.img.naturalWidth,"naturalWidth"),void 0;var t=this;e.on("confirm",function(e,n){return t.confirm(e.isLoaded,n),!0}),e.check()},f.prototype.confirm=function(e,t){this.isLoaded=e,this.emit("confirm",this,t)};var v={};return c.prototype=new t,c.prototype.check=function(){if(!this.isChecked){var e=new Image;n.bind(e,"load",this),n.bind(e,"error",this),e.src=this.src,this.isChecked=!0}},c.prototype.handleEvent=function(e){var t="on"+e.type;this[t]&&this[t](e)},c.prototype.onload=function(e){this.confirm(!0,"onload"),this.unbindProxyEvents(e)},c.prototype.onerror=function(e){this.confirm(!1,"onerror"),this.unbindProxyEvents(e)},c.prototype.confirm=function(e,t){this.isConfirmed=!0,this.isLoaded=e,this.emit("confirm",this,t)},c.prototype.unbindProxyEvents=function(e){n.unbind(e.target,"load",this),n.unbind(e.target,"error",this)},s});
  
  
  
  
  (function (global) {
    'use strict';
  
    var closeToc = function() {
      $(".tocify-wrapper").removeClass('open');
      $("#nav-button").removeClass('open');
    };
  
    var makeToc = function() {
      global.toc = $("#toc").tocify({
        selectors: 'h1, h2, h3',
        extendPage: false,
        theme: 'none',
        smoothScroll: false,
        showEffectSpeed: 0,
        hideEffectSpeed: 90,
        ignoreSelector: '.toc-ignore',
        highlightOffset: 300,
        scrollTo: -1,
        scrollHistory: true,
        hashGenerator: function (text, element) {
          return element.prop('id');
        }
      }).data('toc-tocify');
  
      $("#nav-button").click(function() {
        $(".tocify-wrapper").toggleClass('open');
        $("#nav-button").toggleClass('open');
        return false;
      });
  
      $(".page-wrapper").click(closeToc);
      $(".tocify-item").click(closeToc);
    };
  
    // Hack to make already open sections to start opened,
    // instead of displaying an ugly animation
    function animate() {
      setTimeout(function() {
        toc.setOption('showEffectSpeed', 180);
      }, 50);
    }
  
    $(function() {
      makeToc();
      animate();
      setupLanguages($('body').data('languages'));
      $('.content').imagesLoaded( function() {
        global.toc.calculateHeights();
      });
    });
  })(window);
  
  
  
  
  