zskk_yigongti_website/js/jquery1.9.0.js

/*!
 * jQuery JavaScript Library v1.9.0
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2005, 2012 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2013-1-14
 */
(function (window, undefined) {
  "use strict";
  var
    // A central reference to the root jQuery(document)
    rootjQuery,

    // The deferred used on DOM ready
    readyList,

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

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

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

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

    // List of deleted data cache ids, so we can reuse them
    core_deletedIds = [],

    core_version = "1.9.0",

    // Save a reference to some core methods
    core_concat = core_deletedIds.concat,
    core_push = core_deletedIds.push,
    core_slice = core_deletedIds.slice,
    core_indexOf = core_deletedIds.indexOf,
    core_toString = class2type.toString,
    core_hasOwn = class2type.hasOwnProperty,
    core_trim = core_version.trim,

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

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

    // Used for splitting on whitespace
    core_rnotwhite = /\S+/g,

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

    // A simple way to check for HTML strings
    // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
    // Strict HTML recognition (#11290: must start with <)
    rquickExpr = /^(?:(<[\w\W]+>)[^>]*|#([\w-]*))$/,

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

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

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

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

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

  jQuery.fn = jQuery.prototype = {
    // The current version of jQuery being used
    jquery: core_version,

    constructor: jQuery,
    init: function (selector, context, rootjQuery) {
      var match, elem;

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

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

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

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

          // HANDLE: $(html) -> $(array)
          if (match[1]) {
            context = context instanceof jQuery ? context[0] : context;

            // scripts is true for back-compat
            jQuery.merge(this, jQuery.parseHTML(
              match[1],
              context && context.nodeType ? context.ownerDocument || context : document,
              true
            ));

            // HANDLE: $(html, props)
            if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) {
              for (match in context) {
                // Properties of context are called as methods if possible
                if (jQuery.isFunction(this[match])) {
                  this[match](context[match]);

                  // ...and otherwise set as attributes
                } else {
                  this.attr(match, context[match]);
                }
              }
            }

            return this;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      return this;
    },

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

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

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

    eq: function (i) {
      var len = this.length,
        j = +i + (i < 0 ? len : 0);
      return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
    },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Return the modified object
    return target;
  };

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

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

      return jQuery;
    },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      var key;
      for (key in obj) {}

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

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

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

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

      var parsed = rsingleTag.exec(data),
        scripts = !keepScripts && [];

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

      parsed = jQuery.buildFragment([data], context, scripts);
      if (scripts) {
        jQuery(scripts).remove();
      }
      return jQuery.merge([], parsed.childNodes);
    },

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

      if (data === null) {
        return data;
      }

      if (typeof data === "string") {

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

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

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

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

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

    noop: function () {},

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

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

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

    // args is for internal usage only
    each: function (obj, callback, args) {
      var value,
        i = 0,
        length = obj.length,
        isArray = isArraylike(obj);

      if (args) {
        if (isArray) {
          for (; i < length; i++) {
            value = callback.apply(obj[i], args);

            if (value === false) {
              break;
            }
          }
        } else {
          for (i in obj) {
            value = callback.apply(obj[i], args);

            if (value === false) {
              break;
            }
          }
        }

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

            if (value === false) {
              break;
            }
          }
        } else {
          for (i in obj) {
            value = callback.call(obj[i], i, obj[i]);

            if (value === false) {
              break;
            }
          }
        }
      }

      return obj;
    },

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

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

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

      if (arr != null) {
        if (isArraylike(Object(arr))) {
          jQuery.merge(ret,
            typeof arr === "string" ? [arr] : arr
          );
        } else {
          core_push.call(ret, arr);
        }
      }

      return ret;
    },

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

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

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

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

      return -1;
    },

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

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

      first.length = i;

      return first;
    },

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

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

      return ret;
    },

    // arg is for internal usage only
    map: function (elems, callback, arg) {
      var value,
        i = 0,
        length = elems.length,
        isArray = isArraylike(elems),
        ret = [];

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

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

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

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

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

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

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

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

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

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

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

      return proxy;
    },

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

      // Sets many values
      if (jQuery.type(key) === "object") {
        chainable = true;
        for (i in key) {
          jQuery.access(elems, fn, i, key[i], true, emptyGet, raw);
        }

        // Sets one value
      } else if (value !== undefined) {
        chainable = true;

        if (!jQuery.isFunction(value)) {
          raw = true;
        }

        if (bulk) {
          // Bulk operations run against the entire set
          if (raw) {
            fn.call(elems, value);
            fn = null;

            // ...except when executing function values
          } else {
            bulk = fn;
            fn = function (elem, key, value) {
              return bulk.call(jQuery(elem), value);
            };
          }
        }

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

      return chainable ?
        elems :

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

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

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

      readyList = jQuery.Deferred();

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

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

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

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

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

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

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

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

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

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

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

  function isArraylike(obj) {
    var length = obj.length,
      type = jQuery.type(obj);

    if (jQuery.isWindow(obj)) {
      return false;
    }

    if (obj.nodeType === 1 && length) {
      return true;
    }

    return type === "array" || type !== "function" &&
      (length === 0 ||
        typeof length === "number" && length > 0 && (length - 1) in obj);
  }

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

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

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

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

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

    return self;
  };
  jQuery.extend({

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

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

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

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

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

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

        // deferred[ resolve | reject | notify ]
        deferred[tuple[0]] = function () {
          deferred[tuple[0] + "With"](this === deferred ? promise : this, arguments);
          return this;
        };
        deferred[tuple[0] + "With"] = list.fireWith;
      });

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

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

      // All done!
      return deferred;
    },

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

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

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

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

        progressValues, progressContexts, resolveContexts;

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

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

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

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

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

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

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

    a.style.cssText = "top:1px;float:left;opacity:.5";
    support = {
      // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
      getSetAttribute: div.className !== "t",

      // IE strips leading whitespace when .innerHTML is used
      leadingWhitespace: div.firstChild.nodeType === 3,

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

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

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

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

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

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

      // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
      checkOn: !!input.value,

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

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

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

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

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

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

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

    // Support: IE<9
    try {
      delete div.test;
    } catch (e) {
      support.deleteExpando = false;
    }

    // Check if we can trust getAttribute("value")
    input = document.createElement("input");
    input.setAttribute("value", "");
    support.input = input.getAttribute("value") === "";

    // Check if an input maintains its value after becoming a radio
    input.value = "t";
    input.setAttribute("type", "radio");
    support.radioValue = input.value === "t";

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

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

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

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

    // Support: IE<9
    // Opera does not clone events (and typeof div.attachEvent === undefined).
    // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
    if (div.attachEvent) {
      div.attachEvent("onclick", function () {
        support.noCloneEvent = false;
      });

      div.cloneNode(true).click();
    }

    // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
    // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP), test/csp.php
    for (i in {
        submit: true,
        change: true,
        focusin: true
      }) {
      div.setAttribute(eventName = "on" + i, "t");

      support[i + "Bubbles"] = eventName in window || div.attributes[eventName].expando === false;
    }

    div.style.backgroundClip = "content-box";
    div.cloneNode(true).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";

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

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

      container = document.createElement("div");
      container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";

      body.appendChild(container).appendChild(div);

      // Support: IE8
      // Check if table cells still have offsetWidth/Height when they are set
      // to display:none and there are still other visible table cells in a
      // table row; if so, offsetWidth/Height are not reliable for use when
      // determining if an element has been hidden directly using
      // display:none (it is still safe to use offsets if a parent element is
      // hidden; don safety goggles and see bug #4512 for more information).
      div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
      tds = div.getElementsByTagName("td");
      tds[0].style.cssText = "padding:0;margin:0;border:0;display:none";
      isSupported = (tds[0].offsetHeight === 0);

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

      // Support: IE8
      // Check if empty table cells still have offsetWidth/Height
      support.reliableHiddenOffsets = isSupported && (tds[0].offsetHeight === 0);

      // Check box-sizing and margin behavior
      div.innerHTML = "";
      div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
      support.boxSizing = (div.offsetWidth === 4);
      support.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== 1);

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

        // Check if div with explicit width and no margin-right incorrectly
        // gets computed margin-right based on width of container. (#3333)
        // Fails in WebKit before Feb 2011 nightlies
        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
        marginDiv = div.appendChild(document.createElement("div"));
        marginDiv.style.cssText = div.style.cssText = divReset;
        marginDiv.style.marginRight = marginDiv.style.width = "0";
        div.style.width = "1px";

        support.reliableMarginRight = !parseFloat((window.getComputedStyle(marginDiv, null) || {}).marginRight);
      }

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

        // Support: IE6
        // Check if elements with layout shrink-wrap their children
        div.style.display = "block";
        div.innerHTML = "<div></div>";
        div.firstChild.style.width = "5px";
        support.shrinkWrapBlocks = (div.offsetWidth !== 3);

        // Prevent IE 6 from affecting layout for positioned elements #11048
        // Prevent IE from shrinking the body in IE 7 mode #12869
        body.style.zoom = 1;
      }

      body.removeChild(container);

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

    // Null elements to avoid leaks in IE
    all = select = fragment = opt = a = input = null;

    return support;
  })();

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

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

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

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

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

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

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

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

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

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

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

    thisCache = cache[id];

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

      thisCache = thisCache.data;
    }

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

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

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

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

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

    return ret;
  }

  function internalRemoveData(elem, name, pvt /* For internal use only */ ) {
    if (!jQuery.acceptData(elem)) {
      return;
    }

    var thisCache, i, l,

      isNode = elem.nodeType,

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

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

    if (name) {

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

      if (thisCache) {

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

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

            // split the camel cased version by spaces unless a key with the spaces exists
            name = jQuery.camelCase(name);
            if (name in thisCache) {
              name = [name];
            } else {
              name = name.split(" ");
            }
          }
        } else {
          // If "name" is an array of keys...
          // When data is initially created, via ("key", "val") signature,
          // keys will be converted to camelCase.
          // Since there is no way to tell _how_ a key was added, remove
          // both plain key and camelCase key. #12786
          // This will only penalize the array argument path.
          name = name.concat(jQuery.map(name, jQuery.camelCase));
        }

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

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

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

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

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

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

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

  jQuery.extend({
    cache: {},

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

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

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

    data: function (elem, name, data) {
      return internalData(elem, name, data, false);
    },

    removeData: function (elem, name) {
      return internalRemoveData(elem, name, false);
    },

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

    _removeData: function (elem, name) {
      return internalRemoveData(elem, name, true);
    },

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

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

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

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

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

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

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

        return data;
      }

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

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

        if (value === undefined) {
          // Try to fetch any internally stored data first
          return elem ? dataAttr(elem, key, jQuery.data(elem, key)) : null;
        }

        this.each(function () {
          jQuery.data(this, key, value);
        });
      }, null, value, arguments.length > 1, null, true);
    },

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

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

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

      data = elem.getAttribute(name);

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

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

      } else {
        data = undefined;
      }
    }

    return data;
  }

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

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

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

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

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

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

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

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

      hooks.cur = fn;
      if (fn) {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    addClass: function (value) {
      var classes, elem, cur, clazz, j,
        i = 0,
        len = this.length,
        proceed = typeof value === "string" && value;

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

      if (proceed) {
        // The disjunction here is for better compressibility (see removeClass)
        classes = (value || "").match(core_rnotwhite) || [];

        for (; i < len; i++) {
          elem = this[i];
          cur = elem.nodeType === 1 && (elem.className ?
            (" " + elem.className + " ").replace(rclass, " ") :
            " "
          );

          if (cur) {
            j = 0;
            while ((clazz = classes[j++])) {
              if (cur.indexOf(" " + clazz + " ") < 0) {
                cur += clazz + " ";
              }
            }
            elem.className = jQuery.trim(cur);

          }
        }
      }

      return this;
    },

    removeClass: function (value) {
      var classes, elem, cur, clazz, j,
        i = 0,
        len = this.length,
        proceed = arguments.length === 0 || typeof value === "string" && value;

      if (jQuery.isFunction(value)) {
        return this.each(function (j) {
          jQuery(this).removeClass(value.call(this, j, this.className));
        });
      }
      if (proceed) {
        classes = (value || "").match(core_rnotwhite) || [];

        for (; i < len; i++) {
          elem = this[i];
          // This expression is here for better compressibility (see addClass)
          cur = elem.nodeType === 1 && (elem.className ?
            (" " + elem.className + " ").replace(rclass, " ") :
            ""
          );

          if (cur) {
            j = 0;
            while ((clazz = classes[j++])) {
              // Remove *all* instances
              while (cur.indexOf(" " + clazz + " ") >= 0) {
                cur = cur.replace(" " + clazz + " ", " ");
              }
            }
            elem.className = value ? jQuery.trim(cur) : "";
          }
        }
      }

      return this;
    },

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

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

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

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

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

          // If the element has a class name or if we're passed "false",
          // then remove the whole classname (if there was one, the above saved it).
          // Otherwise bring back whatever was previously saved (if anything),
          // falling back to the empty string if nothing was stored.
          this.className = this.className || value === false ? "" : jQuery._data(this, "__className__") || "";
        }
      });
    },

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

      return false;
    },

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

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

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

          ret = elem.value;

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

        return;
      }

      isFunction = jQuery.isFunction(value);

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

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

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

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

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

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

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

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

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

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

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

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

          return values;
        },

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

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

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

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

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

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

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

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

      if (value !== undefined) {

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

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

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

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

      } else {

        // In IE9+, Flash objects don't have .getAttribute (#12945)
        // Support: IE9+
        if (typeof elem.getAttribute !== "undefined") {
          ret = elem.getAttribute(name);
        }

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

    removeAttr: function (elem, value) {
      var name, propName,
        i = 0,
        attrNames = value && value.match(core_rnotwhite);

      if (attrNames && elem.nodeType === 1) {
        while ((name = attrNames[i++])) {
          propName = jQuery.propFix[name] || name;

          // Boolean attributes get special treatment (#10870)
          if (rboolean.test(name)) {
            // Set corresponding property to false for boolean attributes
            // Also clear defaultChecked/defaultSelected (if appropriate) for IE<8
            if (!getSetAttribute && ruseDefault.test(name)) {
              elem[jQuery.camelCase("default-" + name)] =
                elem[propName] = false;
            } else {
              elem[propName] = false;
            }

            // See #9699 for explanation of this approach (setting first, then removal)
          } else {
            jQuery.attr(elem, name, "");
          }

          elem.removeAttribute(getSetAttribute ? name : propName);
        }
      }
    },

    attrHooks: {
      type: {
        set: function (elem, value) {
          if (!jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input")) {
            // Setting the type on a radio button after the value resets the value in IE6-9
            // Reset value to default in case type is set after value during creation
            var val = elem.value;
            elem.setAttribute("type", value);
            if (val) {
              elem.value = val;
            }
            return value;
          }
        }
      }
    },

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

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

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

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

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

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

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

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

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

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

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

  // Hook for boolean attributes
  boolHook = {
    get: function (elem, name) {
      var
        // Use .prop to determine if this attribute is understood as boolean
        prop = jQuery.prop(elem, name),

        // Fetch it accordingly
        attr = typeof prop === "boolean" && elem.getAttribute(name),
        detail = typeof prop === "boolean" ?

        getSetInput && getSetAttribute ?
        attr != null :
        // oldIE fabricates an empty string for missing boolean attributes
        // and conflates checked/selected into attroperties
        ruseDefault.test(name) ?
        elem[jQuery.camelCase("default-" + name)] :
        !!attr :

        // fetch an attribute node for properties not recognized as boolean
        elem.getAttributeNode(name);

      return detail && detail.value !== false ?
        name.toLowerCase() :
        undefined;
    },
    set: function (elem, value, name) {
      if (value === false) {
        // Remove boolean attributes when set to false
        jQuery.removeAttr(elem, name);
      } else if (getSetInput && getSetAttribute || !ruseDefault.test(name)) {
        // IE<8 needs the *property* name
        elem.setAttribute(!getSetAttribute && jQuery.propFix[name] || name, name);

        // Use defaultChecked and defaultSelected for oldIE
      } else {
        elem[jQuery.camelCase("default-" + name)] = elem[name] = true;
      }

      return name;
    }
  };

  // fix oldIE value attroperty
  if (!getSetInput || !getSetAttribute) {
    jQuery.attrHooks.value = {
      get: function (elem, name) {
        var ret = elem.getAttributeNode(name);
        return jQuery.nodeName(elem, "input") ?

          // Ignore the value *property* by using defaultValue
          elem.defaultValue :

          ret && ret.specified ? ret.value : undefined;
      },
      set: function (elem, value, name) {
        if (jQuery.nodeName(elem, "input")) {
          // Does not return so that setAttribute is also used
          elem.defaultValue = value;
        } else {
          // Use nodeHook if defined (#1954); otherwise setAttribute is fine
          return nodeHook && nodeHook.set(elem, value, name);
        }
      }
    };
  }

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

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

        ret.value = value += "";

        // Break association with cloned elements by also using setAttribute (#9646)
        return name === "value" || value === elem.getAttribute(name) ?
          value :
          undefined;
      }
    };

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

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


  // Some attributes require a special call on IE
  // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  if (!jQuery.support.hrefNormalized) {
    jQuery.each(["href", "src", "width", "height"], function (i, name) {
      jQuery.attrHooks[name] = jQuery.extend(jQuery.attrHooks[name], {
        get: function (elem) {
          var ret = elem.getAttribute(name, 2);
          return ret == null ? undefined : ret;
        }
      });
    });

    // href/src property should get the full normalized URL (#10299/#12915)
    jQuery.each(["href", "src"], function (i, name) {
      jQuery.propHooks[name] = {
        get: function (elem) {
          return elem.getAttribute(name, 4);
        }
      };
    });
  }

  if (!jQuery.support.style) {
    jQuery.attrHooks.style = {
      get: function (elem) {
        // Return undefined in the case of empty string
        // Note: IE uppercases css property names, but if we were to .toLowerCase()
        // .cssText, that would destroy case senstitivity in URL's, like in "background"
        return elem.style.cssText || undefined;
      },
      set: function (elem, value) {
        return (elem.style.cssText = value + "");
      }
    };
  }

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

        if (parent) {
          parent.selectedIndex;

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

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

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

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  }

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

    global: {},

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

      var handleObjIn, eventHandle, tmp,
        events, t, handleObj,
        special, handlers, type, namespaces, origType,
        // Don't attach events to noData or text/comment nodes (but allow plain objects)
        elemData = elem.nodeType !== 3 && elem.nodeType !== 8 && jQuery._data(elem);

      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" && (!e || jQuery.event.triggered !== e.type) ?
            jQuery.event.dispatch.apply(eventHandle.elem, arguments) :
            undefined;
        };
        // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
        eventHandle.elem = elem;
      }

      // Handle multiple events separated by a space
      // jQuery(...).bind("mouseover mouseout", fn);
      types = (types || "").match(core_rnotwhite) || [""];
      t = types.length;
      while (t--) {
        tmp = rtypenamespace.exec(types[t]) || [];
        type = origType = tmp[1];
        namespaces = (tmp[2] || "").split(".").sort();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      // Once for each type.namespace in types; type may be omitted
      types = (types || "").match(core_rnotwhite) || [""];
      t = types.length;
      while (t--) {
        tmp = rtypenamespace.exec(types[t]) || [];
        type = origType = tmp[1];
        namespaces = (tmp[2] || "").split(".").sort();

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

        special = jQuery.event.special[type] || {};
        type = (selector ? special.delegateType : special.bindType) || type;
        handlers = events[type] || [];
        tmp = tmp[2] && new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)");

        // Remove matching events
        origCount = j = handlers.length;
        while (j--) {
          handleObj = handlers[j];

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

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

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

          delete events[type];
        }
      }

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

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

    trigger: function (event, data, elem, onlyHandlers) {

      var i, cur, tmp, bubbleType, ontype, handle, special,
        eventPath = [elem || document],
        type = event.type || event,
        namespaces = event.namespace ? event.namespace.split(".") : [];

      cur = tmp = elem = elem || document;

      // Don't do events on text and comment nodes
      if (elem.nodeType === 3 || elem.nodeType === 8) {
        return;
      }

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

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

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

      event.isTrigger = true;
      event.namespace = namespaces.join(".");
      event.namespace_re = event.namespace ?
        new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") :
        null;

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

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

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

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

        bubbleType = special.delegateType || type;
        if (!rfocusMorph.test(bubbleType + type)) {
          cur = cur.parentNode;
        }
        for (; cur; cur = cur.parentNode) {
          eventPath.push(cur);
          tmp = cur;
        }

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

      // Fire handlers on the event path
      i = 0;
      while ((cur = eventPath[i++]) && !event.isPropagationStopped()) {

        event.type = i > 1 ?
          bubbleType :
          special.bindType || type;

        // jQuery handler
        handle = (jQuery._data(cur, "events") || {})[event.type] && jQuery._data(cur, "handle");
        if (handle) {
          handle.apply(cur, data);
        }

        // Native handler
        handle = ontype && cur[ontype];
        if (handle && jQuery.acceptData(cur) && handle.apply && handle.apply(cur, data) === false) {
          event.preventDefault();
        }
      }
      event.type = type;

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

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

          // Call a native DOM method on the target with the same name name as the event.
          // Can't use an .isFunction() check here because IE6/7 fails that test.
          // Don't do default actions on window, that's where global variables be (#6170)
          if (ontype && elem[type] && !jQuery.isWindow(elem)) {

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

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

            // Prevent re-triggering of the same event, since we already bubbled it above
            jQuery.event.triggered = type;
            try {
              elem[type]();
            } catch (e) {
              // IE<9 dies on focus/blur to hidden element (#1486,#12518)
              // only reproducible on winXP IE8 native, not IE9 in IE8 mode
            }
            jQuery.event.triggered = undefined;

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

      return event.result;
    },

    dispatch: function (event) {

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

      var i, j, ret, matched, handleObj,
        handlerQueue = [],
        args = core_slice.call(arguments),
        handlers = (jQuery._data(this, "events") || {})[event.type] || [],
        special = jQuery.event.special[event.type] || {};

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

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

      // Determine handlers
      handlerQueue = jQuery.event.handlers.call(this, event, handlers);

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

        j = 0;
        while ((handleObj = matched.handlers[j++]) && !event.isImmediatePropagationStopped()) {

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

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

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

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

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

      return event.result;
    },

    handlers: function (event, handlers) {
      var i, matches, sel, handleObj,
        handlerQueue = [],
        delegateCount = handlers.delegateCount,
        cur = event.target;

      // Find delegate handlers
      // Black-hole SVG <use> instance trees (#13180)
      // Avoid non-left-click bubbling in Firefox (#3861)
      if (delegateCount && cur.nodeType && (!event.button || event.type !== "click")) {

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

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

              // Don't conflict with Object.prototype properties (#13203)
              sel = handleObj.selector + " ";

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

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

      return handlerQueue;
    },

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

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

      event = new jQuery.Event(originalEvent);

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

      // Support: IE<9
      // Fix target property (#1925)
      if (!event.target) {
        event.target = originalEvent.srcElement || document;
      }

      // Support: Chrome 23+, Safari?
      // Target should not be a text node (#504, #13143)
      if (event.target.nodeType === 3) {
        event.target = event.target.parentNode;
      }

      // Support: IE<9
      // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
      event.metaKey = !!event.metaKey;

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

    // Includes some event props shared by KeyEvent and MouseEvent
    props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),

    fixHooks: {},

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

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

        return event;
      }
    },

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

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

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

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

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

        return event;
      }
    },

    special: {
      load: {
        // Prevent triggered image.load events from bubbling to window.load
        noBubble: true
      },
      click: {
        // For checkbox, fire native event so checked state will be right
        trigger: function () {
          if (jQuery.nodeName(this, "input") && this.type === "checkbox" && this.click) {
            this.click();
            return false;
          }
        }
      },
      focus: {
        // Fire native event if possible so blur/focus sequence is correct
        trigger: function () {
          if (this !== document.activeElement && this.focus) {
            try {
              this.focus();
              return false;
            } catch (e) {
              // Support: IE<9
              // If we error on focus to hidden element (#1486, #12518),
              // let .trigger() run the handlers
            }
          }
        },
        delegateType: "focusin"
      },
      blur: {
        trigger: function () {
          if (this === document.activeElement && this.blur) {
            this.blur();
            return false;
          }
        },
        delegateType: "focusout"
      },

      beforeunload: {
        postDispatch: function (event) {

          // Even when returnValue equals to undefined Firefox will still show alert
          if (event.result !== undefined) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    },

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

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

      if (elem.detachEvent) {

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

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

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

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

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

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

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

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

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

  // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
  // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
    isDefaultPrevented: returnFalse,
    isPropagationStopped: returnFalse,
    isImmediatePropagationStopped: returnFalse,

    preventDefault: function () {
      var e = this.originalEvent;

      this.isDefaultPrevented = returnTrue;
      if (!e) {
        return;
      }

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

        // Support: IE
        // Otherwise set the returnValue property of the original event to false
      } else {
        e.returnValue = false;
      }
    },
    stopPropagation: function () {
      var e = this.originalEvent;

      this.isPropagationStopped = returnTrue;
      if (!e) {
        return;
      }
      // If stopPropagation exists, run it on the original event
      if (e.stopPropagation) {
        e.stopPropagation();
      }

      // Support: IE
      // Set the cancelBubble property of the original event to true
      e.cancelBubble = true;
    },
    stopImmediatePropagation: function () {
      this.isImmediatePropagationStopped = returnTrue;
      this.stopPropagation();
    }
  };

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

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

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

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

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

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

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

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

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

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

    jQuery.event.special.change = {

      setup: function () {

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

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

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

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

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

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

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

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

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

  jQuery.fn.extend({

    on: function (types, selector, data, fn, /*INTERNAL*/ one) {
      var 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) {
          this.on(type, selector, data, types[type], one);
        }
        return this;
      }

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

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

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

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

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

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

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

    // Handle event binding
    jQuery.fn[name] = function (data, fn) {
      return arguments.length > 0 ?
        this.on(name, null, data, fn) :
        this.trigger(name);
    };

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

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

    var i,
      cachedruns,
      Expr,
      getText,
      isXML,
      compile,
      hasDuplicate,
      outermostContext,

      // Local document vars
      setDocument,
      document,
      docElem,
      documentIsXML,
      rbuggyQSA,
      rbuggyMatches,
      matches,
      contains,
      sortOrder,

      // Instance-specific data
      expando = "sizzle" + -(new Date()),
      preferredDoc = window.document,
      support = {},
      dirruns = 0,
      done = 0,
      classCache = createCache(),
      tokenCache = createCache(),
      compilerCache = createCache(),

      // General-purpose constants
      strundefined = typeof undefined,
      MAX_NEGATIVE = 1 << 31,

      // Array methods
      arr = [],
      pop = arr.pop,
      push = arr.push,
      slice = arr.slice,
      // Use a stripped-down indexOf if we can't use a native one
      indexOf = arr.indexOf || function (elem) {
        var i = 0,
          len = this.length;
        for (; i < len; i++) {
          if (this[i] === elem) {
            return i;
          }
        }
        return -1;
      },


      // Regular expressions

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

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

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

      // Prefer arguments quoted,
      //   then not containing pseudos/brackets,
      //   then attribute selectors/non-parenthetical expressions,
      //   then anything else
      // These preferences are here to reduce the number of selectors
      //   needing tokenize in the PSEUDO preFilter
      pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace(3, 8) + ")*)|.*)\\)|)",

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

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

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

      rsibling = /[\x20\t\r\n\f]*[+~]/,

      rnative = /\{\s*\[native code\]\s*\}/,

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

      rinputs = /^(?:input|select|textarea|button)$/i,
      rheader = /^h\d$/i,

      rescape = /'|\\/g,
      rattributeQuotes = /\=[\x20\t\r\n\f]*([^'"\]]*)[\x20\t\r\n\f]*\]/g,

      // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
      runescape = /\\([\da-fA-F]{1,6}[\x20\t\r\n\f]?|.)/g,
      funescape = function (_, escaped) {
        var high = "0x" + escaped - 0x10000;
        // NaN means non-codepoint
        return high !== high ?
          escaped :
          // BMP codepoint
          high < 0 ?
          String.fromCharCode(high + 0x10000) :
          // Supplemental Plane codepoint (surrogate pair)
          String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00);
      };

    // Use a stripped-down slice if we can't use a native one
    try {
      slice.call(docElem.childNodes, 0)[0].nodeType;
    } catch (e) {
      slice = function (i) {
        var elem,
          results = [];
        for (;
          (elem = this[i]); i++) {
          results.push(elem);
        }
        return results;
      };
    }

    /**
     * For feature detection
     * @param {Function} fn The function to test for native support
     */
    function isNative(fn) {
      return rnative.test(fn + "");
    }

    /**
     * Create key-value caches of limited size
     * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
     *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
     *	deleting the oldest entry
     */
    function createCache() {
      var cache,
        keys = [];

      return (cache = function (key, value) {
        // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
        if (keys.push(key += " ") > Expr.cacheLength) {
          // Only keep the most recent entries
          delete cache[keys.shift()];
        }
        return (cache[key] = value);
      });
    }

    /**
     * Mark a function for special use by Sizzle
     * @param {Function} fn The function to mark
     */
    function markFunction(fn) {
      fn[expando] = true;
      return fn;
    }

    /**
     * Support testing using an element
     * @param {Function} fn Passed the created div and expects a boolean result
     */
    function assert(fn) {
      var div = document.createElement("div");

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

    function Sizzle(selector, context, results, seed) {
      var match, elem, m, nodeType,
        // QSA vars
        i, groups, old, nid, newContext, newSelector;

      if ((context ? context.ownerDocument || context : preferredDoc) !== document) {
        setDocument(context);
      }

      context = context || document;
      results = results || [];

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

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

      if (!documentIsXML && !seed) {

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

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

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

        // QSA path
        if (support.qsa && !rbuggyQSA.test(selector)) {
          old = true;
          nid = expando;
          newContext = context;
          newSelector = nodeType === 9 && selector;

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

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

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

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

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

    /**
     * Detect xml
     * @param {Element|Object} elem An element or a document
     */
    isXML = Sizzle.isXML = function (elem) {
      // documentElement is verified for cases where it doesn't yet exist
      // (such as loading iframes in IE - #4833)
      var documentElement = elem && (elem.ownerDocument || elem).documentElement;
      return documentElement ? documentElement.nodeName !== "HTML" : false;
    };

    /**
     * Sets document-related variables once based on the current document
     * @param {Element|Object} [doc] An element or document object to use to set the document
     * @returns {Object} Returns the current document
     */
    setDocument = Sizzle.setDocument = function (node) {
      var doc = node ? node.ownerDocument || node : preferredDoc;

      // If no document and documentElement is available, return
      if (doc === document || doc.nodeType !== 9 || !doc.documentElement) {
        return document;
      }

      // Set our document
      document = doc;
      docElem = doc.documentElement;

      // Support tests
      documentIsXML = isXML(doc);

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

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

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

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

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

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

        // Cleanup
        docElem.removeChild(div);

        return pass;
      });

      // IE6/7 return modified attributes
      Expr.attrHandle = assert(function (div) {
        div.innerHTML = "<a href='#'></a>";
        return div.firstChild && typeof div.firstChild.getAttribute !== strundefined &&
          div.firstChild.getAttribute("href") === "#";
      }) ? {} : {
        "href": function (elem) {
          return elem.getAttribute("href", 2);
        },
        "type": function (elem) {
          return elem.getAttribute("type");
        }
      };

      // ID find and filter
      if (support.getIdNotName) {
        Expr.find["ID"] = function (id, context) {
          if (typeof context.getElementById !== strundefined && !documentIsXML) {
            var m = context.getElementById(id);
            // Check parentNode to catch when Blackberry 4.6 returns
            // nodes that are no longer in the document #6963
            return m && m.parentNode ? [m] : [];
          }
        };
        Expr.filter["ID"] = function (id) {
          var attrId = id.replace(runescape, funescape);
          return function (elem) {
            return elem.getAttribute("id") === attrId;
          };
        };
      } else {
        Expr.find["ID"] = function (id, context) {
          if (typeof context.getElementById !== strundefined && !documentIsXML) {
            var m = context.getElementById(id);

            return m ?
              m.id === id || typeof m.getAttributeNode !== strundefined && m.getAttributeNode("id").value === id ? [m] :
              undefined : [];
          }
        };
        Expr.filter["ID"] = function (id) {
          var attrId = id.replace(runescape, funescape);
          return function (elem) {
            var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
            return node && node.value === attrId;
          };
        };
      }

      // Tag
      Expr.find["TAG"] = support.tagNameNoComments ?
        function (tag, context) {
          if (typeof context.getElementsByTagName !== strundefined) {
            return context.getElementsByTagName(tag);
          }
        } :
        function (tag, context) {
          var elem,
            tmp = [],
            i = 0,
            results = context.getElementsByTagName(tag);

          // Filter out possible comments
          if (tag === "*") {
            for (;
              (elem = results[i]); i++) {
              if (elem.nodeType === 1) {
                tmp.push(elem);
              }
            }

            return tmp;
          }
          return results;
        };

      // Name
      Expr.find["NAME"] = support.getByName && function (tag, context) {
        if (typeof context.getElementsByName !== strundefined) {
          return context.getElementsByName(name);
        }
      };

      // Class
      Expr.find["CLASS"] = support.getByClassName && function (className, context) {
        if (typeof context.getElementsByClassName !== strundefined && !documentIsXML) {
          return context.getElementsByClassName(className);
        }
      };

      // QSA and matchesSelector support

      // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
      rbuggyMatches = [];

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

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

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

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

        assert(function (div) {

          // Opera 10-12/IE8 - ^= $= *= and empty values
          // Should not select anything
          div.innerHTML = "<input type='hidden' i=''/>";
          if (div.querySelectorAll("[i^='']").length) {
            rbuggyQSA.push("[*^$]=" + whitespace + "*(?:\"\"|'')");
          }

          // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
          // IE8 throws error here and will not see later tests
          if (!div.querySelectorAll(":enabled").length) {
            rbuggyQSA.push(":enabled", ":disabled");
          }

          // Opera 10-11 does not throw on post-comma invalid pseudos
          div.querySelectorAll("*,:x");
          rbuggyQSA.push(",.*:");
        });
      }

      if ((support.matchesSelector = isNative((matches = docElem.matchesSelector ||
          docElem.mozMatchesSelector ||
          docElem.webkitMatchesSelector ||
          docElem.oMatchesSelector ||
          docElem.msMatchesSelector)))) {

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

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

      rbuggyQSA = new RegExp(rbuggyQSA.join("|"));
      rbuggyMatches = new RegExp(rbuggyMatches.join("|"));

      // Element contains another
      // Purposefully does not implement inclusive descendent
      // As in, an element does not contain itself
      contains = isNative(docElem.contains) || docElem.compareDocumentPosition ?
        function (a, b) {
          var adown = a.nodeType === 9 ? a.documentElement : a,
            bup = b && b.parentNode;
          return a === bup || !!(bup && bup.nodeType === 1 && (
            adown.contains ?
            adown.contains(bup) :
            a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16
          ));
        } :
        function (a, b) {
          if (b) {
            while ((b = b.parentNode)) {
              if (b === a) {
                return true;
              }
            }
          }
          return false;
        };

      // Document order sorting
      sortOrder = docElem.compareDocumentPosition ?
        function (a, b) {
          var compare;

          if (a === b) {
            hasDuplicate = true;
            return 0;
          }

          if ((compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition(b))) {
            if (compare & 1 || a.parentNode && a.parentNode.nodeType === 11) {
              if (a === doc || contains(preferredDoc, a)) {
                return -1;
              }
              if (b === doc || contains(preferredDoc, b)) {
                return 1;
              }
              return 0;
            }
            return compare & 4 ? -1 : 1;
          }

          return a.compareDocumentPosition ? -1 : 1;
        } :
        function (a, b) {
          var cur,
            i = 0,
            aup = a.parentNode,
            bup = b.parentNode,
            ap = [a],
            bp = [b];

          // The nodes are identical, we can exit early
          if (a === b) {
            hasDuplicate = true;
            return 0;

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

            // Parentless nodes are either documents or disconnected
          } else if (!aup || !bup) {
            return a === doc ? -1 :
              b === doc ? 1 :
              aup ? -1 :
              bup ? 1 :
              0;

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

          // Otherwise we need full lists of their ancestors for comparison
          cur = a;
          while ((cur = cur.parentNode)) {
            ap.unshift(cur);
          }
          cur = b;
          while ((cur = cur.parentNode)) {
            bp.unshift(cur);
          }

          // Walk down the tree looking for a discrepancy
          while (ap[i] === bp[i]) {
            i++;
          }

          return i ?
            // Do a sibling check if the nodes have a common ancestor
            siblingCheck(ap[i], bp[i]) :

            // Otherwise nodes in our document sort first
            ap[i] === preferredDoc ? -1 :
            bp[i] === preferredDoc ? 1 :
            0;
        };

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

      return document;
    };

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

    Sizzle.matchesSelector = function (elem, expr) {
      // Set document vars if needed
      if ((elem.ownerDocument || elem) !== document) {
        setDocument(elem);
      }

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

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

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

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

    Sizzle.contains = function (context, elem) {
      // Set document vars if needed
      if ((context.ownerDocument || context) !== document) {
        setDocument(context);
      }
      return contains(context, elem);
    };

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

      // Set document vars if needed
      if ((elem.ownerDocument || elem) !== document) {
        setDocument(elem);
      }

      if (!documentIsXML) {
        name = name.toLowerCase();
      }
      if ((val = Expr.attrHandle[name])) {
        return val(elem);
      }
      if (documentIsXML || support.attributes) {
        return elem.getAttribute(name);
      }
      return ((val = elem.getAttributeNode(name)) || elem.getAttribute(name)) && elem[name] === true ?
        name :
        val && val.specified ? val.value : null;
    };

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

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

      // Unless we *know* we can detect duplicates, assume their presence
      hasDuplicate = !support.detectDuplicates;
      results.sort(sortOrder);

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

      return results;
    };

    function siblingCheck(a, b) {
      var cur = a && b && a.nextSibling;

      for (; cur; cur = cur.nextSibling) {
        if (cur === b) {
          return -1;
        }
      }

      return a ? 1 : -1;
    }

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

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

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

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

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

      if (!nodeType) {
        // If no nodeType, this is expected to be an array
        for (;
          (node = elem[i]); i++) {
          // Do not traverse comment nodes
          ret += getText(node);
        }
      } else if (nodeType === 1 || nodeType === 9 || nodeType === 11) {
        // Use textContent for elements
        // innerText usage removed for consistency of new lines (see #11153)
        if (typeof elem.textContent === "string") {
          return elem.textContent;
        } else {
          // Traverse its children
          for (elem = elem.firstChild; elem; elem = elem.nextSibling) {
            ret += getText(elem);
          }
        }
      } else if (nodeType === 3 || nodeType === 4) {
        return elem.nodeValue;
      }
      // Do not include comment or processing instruction nodes

      return ret;
    };

    Expr = Sizzle.selectors = {

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

      createPseudo: markFunction,

      match: matchExpr,

      find: {},

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

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

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

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

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

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

          if (match[1].slice(0, 3) === "nth") {
            // nth-* requires argument
            if (!match[3]) {
              Sizzle.error(match[0]);
            }

            // numeric x and y parameters for Expr.filter.CHILD
            // remember that false/true cast respectively to 0/1
            match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === "even" || match[3] === "odd"));
            match[5] = +((match[7] + match[8]) || match[3] === "odd");

            // other types prohibit arguments
          } else if (match[3]) {
            Sizzle.error(match[0]);
          }

          return match;
        },

        "PSEUDO": function (match) {
          var excess,
            unquoted = !match[5] && match[2];

          if (matchExpr["CHILD"].test(match[0])) {
            return null;
          }

          // Accept quoted arguments as-is
          if (match[4]) {
            match[2] = match[4];

            // Strip excess characters from unquoted arguments
          } else if (unquoted && rpseudo.test(unquoted) &&
            // Get excess from tokenize (recursively)
            (excess = tokenize(unquoted, true)) &&
            // advance to the next closing parenthesis
            (excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) {

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

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

      filter: {

        "TAG": function (nodeName) {
          if (nodeName === "*") {
            return function () {
              return true;
            };
          }

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

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

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

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

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

            result += "";

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

        "CHILD": function (type, what, argument, first, last) {
          var simple = type.slice(0, 3) !== "nth",
            forward = type.slice(-4) !== "last",
            ofType = what === "of-type";

          return first === 1 && last === 0 ?

            // Shortcut for :nth-*(n)
            function (elem) {
              return !!elem.parentNode;
            } :

            function (elem, context, xml) {
              var cache, outerCache, node, diff, nodeIndex, start,
                dir = simple !== forward ? "nextSibling" : "previousSibling",
                parent = elem.parentNode,
                name = ofType && elem.nodeName.toLowerCase(),
                useCache = !xml && !ofType;

              if (parent) {

                // :(first|last|only)-(child|of-type)
                if (simple) {
                  while (dir) {
                    node = elem;
                    while ((node = node[dir])) {
                      if (ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) {
                        return false;
                      }
                    }
                    // Reverse direction for :only-* (if we haven't yet done so)
                    start = dir = type === "only" && !start && "nextSibling";
                  }
                  return true;
                }

                start = [forward ? parent.firstChild : parent.lastChild];

                // non-xml :nth-child(...) stores cache data on `parent`
                if (forward && useCache) {
                  // Seek `elem` from a previously-cached index
                  outerCache = parent[expando] || (parent[expando] = {});
                  cache = outerCache[type] || [];
                  nodeIndex = cache[0] === dirruns && cache[1];
                  diff = cache[0] === dirruns && cache[2];
                  node = nodeIndex && parent.childNodes[nodeIndex];

                  while ((node = ++nodeIndex && node && node[dir] ||

                      // Fallback to seeking `elem` from the start
                      (diff = nodeIndex = 0) || start.pop())) {

                    // When found, cache indexes on `parent` and break
                    if (node.nodeType === 1 && ++diff && node === elem) {
                      outerCache[type] = [dirruns, nodeIndex, diff];
                      break;
                    }
                  }

                  // Use previously-cached element index if available
                } else if (useCache && (cache = (elem[expando] || (elem[expando] = {}))[type]) && cache[0] === dirruns) {
                  diff = cache[1];

                  // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
                } else {
                  // Use the same loop as above to seek `elem` from the start
                  while ((node = ++nodeIndex && node && node[dir] ||
                      (diff = nodeIndex = 0) || start.pop())) {

                    if ((ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) && ++diff) {
                      // Cache the index of each encountered element
                      if (useCache) {
                        (node[expando] || (node[expando] = {}))[type] = [dirruns, diff];
                      }

                      if (node === elem) {
                        break;
                      }
                    }
                  }
                }

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

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

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

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

          return fn;
        }
      },

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

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

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

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

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

        // "Whether an element is represented by a :lang() selector
        // is based solely on the element's language value
        // being equal to the identifier C,
        // or beginning with the identifier C immediately followed by "-".
        // The matching of C against the element's language value is performed case-insensitively.
        // The identifier C does not have to be a valid language name."
        // http://www.w3.org/TR/selectors/#lang-pseudo
        "lang": markFunction(function (lang) {
          // lang value must be a valid identifider
          if (!ridentifier.test(lang || "")) {
            Sizzle.error("unsupported lang: " + lang);
          }
          lang = lang.replace(runescape, funescape).toLowerCase();
          return function (elem) {
            var elemLang;
            do {
              if ((elemLang = documentIsXML ?
                  elem.getAttribute("xml:lang") || elem.getAttribute("lang") :
                  elem.lang)) {

                elemLang = elemLang.toLowerCase();
                return elemLang === lang || elemLang.indexOf(lang + "-") === 0;
              }
            } while ((elem = elem.parentNode) && elem.nodeType === 1);
            return false;
          };
        }),

        // Miscellaneous
        "target": function (elem) {
          var hash = window.location && window.location.hash;
          return hash && hash.slice(1) === elem.id;
        },

        "root": function (elem) {
          return elem === docElem;
        },

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

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

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

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

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

          return elem.selected === true;
        },

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

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

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

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

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

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

        // Position-in-collection
        "first": createPositionalPseudo(function () {
          return [0];
        }),

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

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

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

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

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

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

    // Add button/input type pseudos
    for (i in {
        radio: true,
        checkbox: true,
        file: true,
        password: true,
        image: true
      }) {
      Expr.pseudos[i] = createInputPseudo(i);
    }
    for (i in {
        submit: true,
        reset: true
      }) {
      Expr.pseudos[i] = createButtonPseudo(i);
    }

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

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

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

      while (soFar) {

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

        matched = false;

        // Combinators
        if ((match = rcombinators.exec(soFar))) {
          matched = match.shift();
          tokens.push({
            value: matched,
            // Cast descendant combinators to space
            type: match[0].replace(rtrim, " ")
          });
          soFar = soFar.slice(matched.length);
        }

        // Filters
        for (type in Expr.filter) {
          if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] ||
              (match = preFilters[type](match)))) {
            matched = match.shift();
            tokens.push({
              value: matched,
              type: type,
              matches: match
            });
            soFar = soFar.slice(matched.length);
          }
        }

        if (!matched) {
          break;
        }
      }

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

    function toSelector(tokens) {
      var i = 0,
        len = tokens.length,
        selector = "";
      for (; i < len; i++) {
        selector += tokens[i].value;
      }
      return selector;
    }

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

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

        // Check against all ancestor/preceding elements
        function (elem, context, xml) {
          var data, cache, outerCache,
            dirkey = dirruns + " " + doneName;

          // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
          if (xml) {
            while ((elem = elem[dir])) {
              if (elem.nodeType === 1 || checkNonElements) {
                if (matcher(elem, context, xml)) {
                  return true;
                }
              }
            }
          } else {
            while ((elem = elem[dir])) {
              if (elem.nodeType === 1 || checkNonElements) {
                outerCache = elem[expando] || (elem[expando] = {});
                if ((cache = outerCache[dir]) && cache[0] === dirkey) {
                  if ((data = cache[1]) === true || data === cachedruns) {
                    return data === true;
                  }
                } else {
                  cache = outerCache[dir] = [dirkey];
                  cache[1] = matcher(elem, context, xml) || cachedruns;
                  if (cache[1] === true) {
                    return true;
                  }
                }
              }
            }
          }
        };
    }

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

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

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

      return newUnmatched;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

      return elementMatcher(matchers);
    }

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

          if (outermost) {
            outermostContext = context !== document && context;
            cachedruns = matcherCachedRuns;
          }

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

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

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

          // Apply set filters to unmatched elements
          // `i` starts as a string, so matchedCount would equal "00" if there are no elements
          matchedCount += i;
          if (bySet && i !== matchedCount) {
            for (j = 0;
              (matcher = setMatchers[j]); j++) {
              matcher(unmatched, setMatched, context, xml);
            }

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

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

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

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

              Sizzle.uniqueSort(results);
            }
          }

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

          return unmatched;
        };

      return bySet ?
        markFunction(superMatcher) :
        superMatcher;
    }

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

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

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

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

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

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

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

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

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

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

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

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

                break;
              }
            }
          }
        }
      }

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

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

    // Easy API for creating new setFilters
    function setFilters() {}
    Expr.filters = setFilters.prototype = Expr.pseudos;
    Expr.setFilters = new setFilters();

    // Initialize with the default document
    setDocument();

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


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

  jQuery.fn.extend({
    find: function (selector) {
      var i, ret, self;

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

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

      // Needed because $( selector, context ) becomes $( context ).find( selector )
      ret = this.pushStack(jQuery.unique(ret));
      ret.selector = (this.selector ? this.selector + " " : "") + selector;
      return ret;
    },

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

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

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

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

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

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

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

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

      return this.pushStack(ret.length > 1 ? jQuery.unique(ret) : ret);
    },

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

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

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

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

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

      return this.pushStack(jQuery.unique(all));
    },

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

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

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

    return cur;
  }

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

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

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

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

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

      return this.pushStack(ret);
    };
  });

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

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

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

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

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

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

      return r;
    }
  });

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

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

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

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

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

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

    return jQuery.grep(elements, function (elem) {
      return (jQuery.inArray(elem, qualifier) >= 0) === keep;
    });
  }

  function createSafeFragment(document) {
    var list = nodeNames.split("|"),
      safeFrag = document.createDocumentFragment();

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

  var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
    "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
    rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
    rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
    rleadingWhitespace = /^\s+/,
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
    rtagName = /<([\w:]+)/,
    rtbody = /<tbody/i,
    rhtml = /<|&#?\w+;/,
    rnoInnerhtml = /<(?:script|style|link)/i,
    manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
    // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rscriptType = /^$|\/(?:java|ecma)script/i,
    rscriptTypeMasked = /^true\/(.*)/,
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,

    // We have to close these tags to support XHTML (#13200)
    wrapMap = {
      option: [1, "<select multiple='multiple'>", "</select>"],
      legend: [1, "<fieldset>", "</fieldset>"],
      area: [1, "<map>", "</map>"],
      param: [1, "<object>", "</object>"],
      thead: [1, "<table>", "</table>"],
      tr: [2, "<table><tbody>", "</tbody></table>"],
      col: [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"],
      td: [3, "<table><tbody><tr>", "</tr></tbody></table>"],

      // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
      // unless wrapped in a div with non-breaking characters in front of it.
      _default: jQuery.support.htmlSerialize ? [0, "", ""] : [1, "X<div>", "</div>"]
    },
    safeFragment = createSafeFragment(document),
    fragmentDiv = safeFragment.appendChild(document.createElement("div"));

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

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

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

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

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

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

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

          return elem;
        }).append(this);
      }

      return this;
    },

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

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

        if (contents.length) {
          contents.wrapAll(html);

        } else {
          self.append(html);
        }
      });
    },

    wrap: function (html) {
      var isFunction = jQuery.isFunction(html);

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

    unwrap: function () {
      return this.parent().each(function () {
        if (!jQuery.nodeName(this, "body")) {
          jQuery(this).replaceWith(this.childNodes);
        }
      }).end();
    },

    append: function () {
      return this.domManip(arguments, true, function (elem) {
        if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
          this.appendChild(elem);
        }
      });
    },

    prepend: function () {
      return this.domManip(arguments, true, function (elem) {
        if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
          this.insertBefore(elem, this.firstChild);
        }
      });
    },

    before: function () {
      return this.domManip(arguments, false, function (elem) {
        if (this.parentNode) {
          this.parentNode.insertBefore(elem, this);
        }
      });
    },

    after: function () {
      return this.domManip(arguments, false, function (elem) {
        if (this.parentNode) {
          this.parentNode.insertBefore(elem, this.nextSibling);
        }
      });
    },

    // keepData is for internal use only--do not document
    remove: function (selector, keepData) {
      var elem,
        i = 0;

      for (;
        (elem = this[i]) != null; i++) {
        if (!selector || jQuery.filter(selector, [elem]).length > 0) {
          if (!keepData && elem.nodeType === 1) {
            jQuery.cleanData(getAll(elem));
          }

          if (elem.parentNode) {
            if (keepData && jQuery.contains(elem.ownerDocument, elem)) {
              setGlobalEval(getAll(elem, "script"));
            }
            elem.parentNode.removeChild(elem);
          }
        }
      }

      return this;
    },

    empty: function () {
      var elem,
        i = 0;

      for (;
        (elem = this[i]) != null; i++) {
        // Remove element nodes and prevent memory leaks
        if (elem.nodeType === 1) {
          jQuery.cleanData(getAll(elem, false));
        }

        // Remove any remaining nodes
        while (elem.firstChild) {
          elem.removeChild(elem.firstChild);
        }

        // If this is a select, ensure that it displays empty (#12336)
        // Support: IE<9
        if (elem.options && jQuery.nodeName(elem, "select")) {
          elem.options.length = 0;
        }
      }

      return this;
    },

    clone: function (dataAndEvents, deepDataAndEvents) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

      return this.map(function () {
        return jQuery.clone(this, dataAndEvents, deepDataAndEvents);
      });
    },

    html: function (value) {
      return jQuery.access(this, function (value) {
        var elem = this[0] || {},
          i = 0,
          l = this.length;

        if (value === undefined) {
          return elem.nodeType === 1 ?
            elem.innerHTML.replace(rinlinejQuery, "") :
            undefined;
        }

        // See if we can take a shortcut and just use innerHTML
        if (typeof value === "string" && !rnoInnerhtml.test(value) &&
          (jQuery.support.htmlSerialize || !rnoshimcache.test(value)) &&
          (jQuery.support.leadingWhitespace || !rleadingWhitespace.test(value)) &&
          !wrapMap[(rtagName.exec(value) || ["", ""])[1].toLowerCase()]) {

          value = value.replace(rxhtmlTag, "<$1></$2>");

          try {
            for (; i < l; i++) {
              // Remove element nodes and prevent memory leaks
              elem = this[i] || {};
              if (elem.nodeType === 1) {
                jQuery.cleanData(getAll(elem, false));
                elem.innerHTML = value;
              }
            }

            elem = 0;

            // If using innerHTML throws an exception, use the fallback method
          } catch (e) {}
        }

        if (elem) {
          this.empty().append(value);
        }
      }, null, value, arguments.length);
    },

    replaceWith: function (value) {
      var isFunc = jQuery.isFunction(value);

      // Make sure that the elements are removed from the DOM before they are inserted
      // this can help fix replacing a parent with child elements
      if (!isFunc && typeof value !== "string") {
        value = jQuery(value).not(this).detach();
      }

      return this.domManip([value], true, function (elem) {
        var next = this.nextSibling,
          parent = this.parentNode;

        if (parent && this.nodeType === 1 || this.nodeType === 11) {

          jQuery(this).remove();

          if (next) {
            next.parentNode.insertBefore(elem, next);
          } else {
            parent.appendChild(elem);
          }
        }
      });
    },

    detach: function (selector) {
      return this.remove(selector, true);
    },

    domManip: function (args, table, callback) {

      // Flatten any nested arrays
      args = core_concat.apply([], args);

      var fragment, first, scripts, hasScripts, node, doc,
        i = 0,
        l = this.length,
        set = this,
        iNoClone = l - 1,
        value = args[0],
        isFunction = jQuery.isFunction(value);

      // We can't cloneNode fragments that contain checked, in WebKit
      if (isFunction || !(l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test(value))) {
        return this.each(function (index) {
          var self = set.eq(index);
          if (isFunction) {
            args[0] = value.call(this, index, table ? self.html() : undefined);
          }
          self.domManip(args, table, callback);
        });
      }

      if (l) {
        fragment = jQuery.buildFragment(args, this[0].ownerDocument, false, this);
        first = fragment.firstChild;

        if (fragment.childNodes.length === 1) {
          fragment = first;
        }

        if (first) {
          table = table && jQuery.nodeName(first, "tr");
          scripts = jQuery.map(getAll(fragment, "script"), disableScript);
          hasScripts = scripts.length;

          // Use the original fragment for the last item instead of the first because it can end up
          // being emptied incorrectly in certain situations (#8070).
          for (; i < l; i++) {
            node = fragment;

            if (i !== iNoClone) {
              node = jQuery.clone(node, true, true);

              // Keep references to cloned scripts for later restoration
              if (hasScripts) {
                jQuery.merge(scripts, getAll(node, "script"));
              }
            }

            callback.call(
              table && jQuery.nodeName(this[i], "table") ?
              findOrAppend(this[i], "tbody") :
              this[i],
              node,
              i
            );
          }

          if (hasScripts) {
            doc = scripts[scripts.length - 1].ownerDocument;

            // 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 || "") &&
                !jQuery._data(node, "globalEval") && jQuery.contains(doc, node)) {

                if (node.src) {
                  // Hope ajax is available...
                  jQuery.ajax({
                    url: node.src,
                    type: "GET",
                    dataType: "script",
                    async: false,
                    global: false,
                    "throws": true
                  });
                } else {
                  jQuery.globalEval((node.text || node.textContent || node.innerHTML || "").replace(rcleanScript, ""));
                }
              }
            }
          }

          // Fix #11809: Avoid leaking memory
          fragment = first = null;
        }
      }

      return this;
    }
  });

  function findOrAppend(elem, tag) {
    return elem.getElementsByTagName(tag)[0] || elem.appendChild(elem.ownerDocument.createElement(tag));
  }

  // Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript(elem) {
    var attr = elem.getAttributeNode("type");
    elem.type = (attr && attr.specified) + "/" + elem.type;
    return elem;
  }

  function restoreScript(elem) {
    var match = rscriptTypeMasked.exec(elem.type);
    if (match) {
      elem.type = match[1];
    } else {
      elem.removeAttribute("type");
    }
    return elem;
  }

  // Mark scripts as having already been evaluated
  function setGlobalEval(elems, refElements) {
    var elem,
      i = 0;
    for (;
      (elem = elems[i]) != null; i++) {
      jQuery._data(elem, "globalEval", !refElements || jQuery._data(refElements[i], "globalEval"));
    }
  }

  function cloneCopyEvent(src, dest) {

    if (dest.nodeType !== 1 || !jQuery.hasData(src)) {
      return;
    }

    var type, i, l,
      oldData = jQuery._data(src),
      curData = jQuery._data(dest, oldData),
      events = oldData.events;

    if (events) {
      delete curData.handle;
      curData.events = {};

      for (type in events) {
        for (i = 0, l = events[type].length; i < l; i++) {
          jQuery.event.add(dest, type, events[type][i]);
        }
      }
    }

    // make the cloned public data object a copy from the original
    if (curData.data) {
      curData.data = jQuery.extend({}, curData.data);
    }
  }

  function fixCloneNodeIssues(src, dest) {
    var nodeName, data, e;

    // We do not need to do anything for non-Elements
    if (dest.nodeType !== 1) {
      return;
    }

    nodeName = dest.nodeName.toLowerCase();

    // IE6-8 copies events bound via attachEvent when using cloneNode.
    if (!jQuery.support.noCloneEvent && dest[jQuery.expando]) {
      data = jQuery._data(dest);

      for (e in data.events) {
        jQuery.removeEvent(dest, e, data.handle);
      }

      // Event data gets referenced instead of copied if the expando gets copied too
      dest.removeAttribute(jQuery.expando);
    }

    // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
    if (nodeName === "script" && dest.text !== src.text) {
      disableScript(dest).text = src.text;
      restoreScript(dest);

      // IE6-10 improperly clones children of object elements using classid.
      // IE10 throws NoModificationAllowedError if parent is null, #12132.
    } else if (nodeName === "object") {
      if (dest.parentNode) {
        dest.outerHTML = src.outerHTML;
      }

      // This path appears unavoidable for IE9. When cloning an object
      // element in IE9, the outerHTML strategy above is not sufficient.
      // If the src has innerHTML and the destination does not,
      // copy the src.innerHTML into the dest.innerHTML. #10324
      if (jQuery.support.html5Clone && (src.innerHTML && !jQuery.trim(dest.innerHTML))) {
        dest.innerHTML = src.innerHTML;
      }

    } else if (nodeName === "input" && manipulation_rcheckableType.test(src.type)) {
      // IE6-8 fails to persist the checked state of a cloned checkbox
      // or radio button. Worse, IE6-7 fail to give the cloned element
      // a checked appearance if the defaultChecked value isn't also set

      dest.defaultChecked = dest.checked = src.checked;

      // IE6-7 get confused and end up setting the value of a cloned
      // checkbox/radio button to an empty string instead of "on"
      if (dest.value !== src.value) {
        dest.value = src.value;
      }

      // IE6-8 fails to return the selected option to the default selected
      // state when cloning options
    } else if (nodeName === "option") {
      dest.defaultSelected = dest.selected = src.defaultSelected;

      // IE6-8 fails to set the defaultValue to the correct value when
      // cloning other types of input fields
    } else if (nodeName === "input" || nodeName === "textarea") {
      dest.defaultValue = src.defaultValue;
    }
  }

  jQuery.each({
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function (name, original) {
    jQuery.fn[name] = function (selector) {
      var elems,
        i = 0,
        ret = [],
        insert = jQuery(selector),
        last = insert.length - 1;

      for (; i <= last; i++) {
        elems = i === last ? this : this.clone(true);
        jQuery(insert[i])[original](elems);

        // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
        core_push.apply(ret, elems.get());
      }

      return this.pushStack(ret);
    };
  });

  function getAll(context, tag) {
    var elems, elem,
      i = 0,
      found = typeof context.getElementsByTagName !== "undefined" ? context.getElementsByTagName(tag || "*") :
      typeof context.querySelectorAll !== "undefined" ? context.querySelectorAll(tag || "*") :
      undefined;

    if (!found) {
      for (found = [], elems = context.childNodes || context;
        (elem = elems[i]) != null; i++) {
        if (!tag || jQuery.nodeName(elem, tag)) {
          found.push(elem);
        } else {
          jQuery.merge(found, getAll(elem, tag));
        }
      }
    }

    return tag === undefined || tag && jQuery.nodeName(context, tag) ?
      jQuery.merge([context], found) :
      found;
  }

  // Used in buildFragment, fixes the defaultChecked property
  function fixDefaultChecked(elem) {
    if (manipulation_rcheckableType.test(elem.type)) {
      elem.defaultChecked = elem.checked;
    }
  }

  jQuery.extend({
    clone: function (elem, dataAndEvents, deepDataAndEvents) {
      var destElements, srcElements, node, i, clone,
        inPage = jQuery.contains(elem.ownerDocument, elem);

      if (jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test("<" + elem.nodeName + ">")) {
        clone = elem.cloneNode(true);

        // IE<=8 does not properly clone detached, unknown element nodes
      } else {
        fragmentDiv.innerHTML = elem.outerHTML;
        fragmentDiv.removeChild(clone = fragmentDiv.firstChild);
      }

      if ((!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
        (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem)) {

        // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
        destElements = getAll(clone);
        srcElements = getAll(elem);

        // Fix all IE cloning issues
        for (i = 0;
          (node = srcElements[i]) != null; ++i) {
          // Ensure that the destination node is not null; Fixes #9587
          if (destElements[i]) {
            fixCloneNodeIssues(node, destElements[i]);
          }
        }
      }

      // Copy the events from the original to the clone
      if (dataAndEvents) {
        if (deepDataAndEvents) {
          srcElements = srcElements || getAll(elem);
          destElements = destElements || getAll(clone);

          for (i = 0;
            (node = srcElements[i]) != null; i++) {
            cloneCopyEvent(node, destElements[i]);
          }
        } else {
          cloneCopyEvent(elem, clone);
        }
      }

      // Preserve script evaluation history
      destElements = getAll(clone, "script");
      if (destElements.length > 0) {
        setGlobalEval(destElements, !inPage && getAll(elem, "script"));
      }

      destElements = srcElements = node = null;

      // Return the cloned set
      return clone;
    },

    buildFragment: function (elems, context, scripts, selection) {
      var contains, elem, tag, tmp, wrap, tbody, j,
        l = elems.length,

        // Ensure a safe fragment
        safe = createSafeFragment(context),

        nodes = [],
        i = 0;

      for (; i < l; i++) {
        elem = elems[i];

        if (elem || elem === 0) {

          // Add nodes directly
          if (jQuery.type(elem) === "object") {
            jQuery.merge(nodes, elem.nodeType ? [elem] : elem);

            // Convert non-html into a text node
          } else if (!rhtml.test(elem)) {
            nodes.push(context.createTextNode(elem));

            // Convert html into DOM nodes
          } else {
            tmp = tmp || safe.appendChild(context.createElement("div"));

            // Deserialize a standard representation
            tag = (rtagName.exec(elem) || ["", ""])[1].toLowerCase();
            wrap = wrapMap[tag] || wrapMap._default;

            tmp.innerHTML = wrap[1] + elem.replace(rxhtmlTag, "<$1></$2>") + wrap[2];

            // Descend through wrappers to the right content
            j = wrap[0];
            while (j--) {
              tmp = tmp.lastChild;
            }

            // Manually add leading whitespace removed by IE
            if (!jQuery.support.leadingWhitespace && rleadingWhitespace.test(elem)) {
              nodes.push(context.createTextNode(rleadingWhitespace.exec(elem)[0]));
            }

            // Remove IE's autoinserted <tbody> from table fragments
            if (!jQuery.support.tbody) {

              // String was a <table>, *may* have spurious <tbody>
              elem = tag === "table" && !rtbody.test(elem) ?
                tmp.firstChild :

                // String was a bare <thead> or <tfoot>
                wrap[1] === "<table>" && !rtbody.test(elem) ?
                tmp :
                0;

              j = elem && elem.childNodes.length;
              while (j--) {
                if (jQuery.nodeName((tbody = elem.childNodes[j]), "tbody") && !tbody.childNodes.length) {
                  elem.removeChild(tbody);
                }
              }
            }

            jQuery.merge(nodes, tmp.childNodes);

            // Fix #12392 for WebKit and IE > 9
            tmp.textContent = "";

            // Fix #12392 for oldIE
            while (tmp.firstChild) {
              tmp.removeChild(tmp.firstChild);
            }

            // Remember the top-level container for proper cleanup
            tmp = safe.lastChild;
          }
        }
      }

      // Fix #11356: Clear elements from fragment
      if (tmp) {
        safe.removeChild(tmp);
      }

      // Reset defaultChecked for any radios and checkboxes
      // about to be appended to the DOM in IE 6/7 (#8060)
      if (!jQuery.support.appendChecked) {
        jQuery.grep(getAll(nodes, "input"), fixDefaultChecked);
      }

      i = 0;
      while ((elem = nodes[i++])) {

        // #4087 - If origin and destination elements are the same, and this is
        // that element, do not do anything
        if (selection && jQuery.inArray(elem, selection) !== -1) {
          continue;
        }

        contains = jQuery.contains(elem.ownerDocument, elem);

        // Append to fragment
        tmp = getAll(safe.appendChild(elem), "script");

        // Preserve script evaluation history
        if (contains) {
          setGlobalEval(tmp);
        }

        // Capture executables
        if (scripts) {
          j = 0;
          while ((elem = tmp[j++])) {
            if (rscriptType.test(elem.type || "")) {
              scripts.push(elem);
            }
          }
        }
      }

      tmp = null;

      return safe;
    },

    cleanData: function (elems, /* internal */ acceptData) {
      var data, id, elem, type,
        i = 0,
        internalKey = jQuery.expando,
        cache = jQuery.cache,
        deleteExpando = jQuery.support.deleteExpando,
        special = jQuery.event.special;

      for (;
        (elem = elems[i]) != null; i++) {

        if (acceptData || jQuery.acceptData(elem)) {

          id = elem[internalKey];
          data = id && cache[id];

          if (data) {
            if (data.events) {
              for (type in data.events) {
                if (special[type]) {
                  jQuery.event.remove(elem, type);

                  // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent(elem, type, data.handle);
                }
              }
            }

            // Remove cache only if it was not already removed by jQuery.event.remove
            if (cache[id]) {

              delete cache[id];

              // IE does not allow us to delete expando properties from nodes,
              // nor does it have a removeAttribute function on Document nodes;
              // we must handle all of these cases
              if (deleteExpando) {
                delete elem[internalKey];

              } else if (typeof elem.removeAttribute !== "undefined") {
                elem.removeAttribute(internalKey);

              } else {
                elem[internalKey] = null;
              }

              core_deletedIds.push(id);
            }
          }
        }
      }
    }
  });
  var curCSS, getStyles, iframe,
    ralpha = /alpha\([^)]*\)/i,
    ropacity = /opacity\s*=\s*([^)]*)/,
    rposition = /^(top|right|bottom|left)$/,
    // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
    // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
    rdisplayswap = /^(none|table(?!-c[ea]).+)/,
    rmargin = /^margin/,
    rnumsplit = new RegExp("^(" + core_pnum + ")(.*)$", "i"),
    rnumnonpx = new RegExp("^(" + core_pnum + ")(?!px)[a-z%]+$", "i"),
    rrelNum = new RegExp("^([+-])=(" + core_pnum + ")", "i"),
    elemdisplay = {
      BODY: "block"
    },

    cssShow = {
      position: "absolute",
      visibility: "hidden",
      display: "block"
    },
    cssNormalTransform = {
      letterSpacing: 0,
      fontWeight: 400
    },

    cssExpand = ["Top", "Right", "Bottom", "Left"],
    cssPrefixes = ["Webkit", "O", "Moz", "ms"];

  // return a css property mapped to a potentially vendor prefixed property
  function vendorPropName(style, name) {

    // shortcut for names that are not vendor prefixed
    if (name in style) {
      return name;
    }

    // check for vendor prefixed names
    var capName = name.charAt(0).toUpperCase() + name.slice(1),
      origName = name,
      i = cssPrefixes.length;

    while (i--) {
      name = cssPrefixes[i] + capName;
      if (name in style) {
        return name;
      }
    }

    return origName;
  }

  function isHidden(elem, el) {
    // isHidden might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem;
    return jQuery.css(elem, "display") === "none" || !jQuery.contains(elem.ownerDocument, elem);
  }

  function showHide(elements, show) {
    var elem,
      values = [],
      index = 0,
      length = elements.length;

    for (; index < length; index++) {
      elem = elements[index];
      if (!elem.style) {
        continue;
      }
      values[index] = jQuery._data(elem, "olddisplay");
      if (show) {
        // Reset the inline display of this element to learn if it is
        // being hidden by cascaded rules or not
        if (!values[index] && elem.style.display === "none") {
          elem.style.display = "";
        }

        // Set elements which have been overridden with display: none
        // in a stylesheet to whatever the default browser style is
        // for such an element
        if (elem.style.display === "" && isHidden(elem)) {
          values[index] = jQuery._data(elem, "olddisplay", css_defaultDisplay(elem.nodeName));
        }
      } else if (!values[index] && !isHidden(elem)) {
        jQuery._data(elem, "olddisplay", jQuery.css(elem, "display"));
      }
    }

    // Set the display of most of the elements in a second loop
    // to avoid the constant reflow
    for (index = 0; index < length; index++) {
      elem = elements[index];
      if (!elem.style) {
        continue;
      }
      if (!show || elem.style.display === "none" || elem.style.display === "") {
        elem.style.display = show ? values[index] || "" : "none";
      }
    }

    return elements;
  }

  jQuery.fn.extend({
    css: function (name, value) {
      return jQuery.access(this, function (elem, name, value) {
        var 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) {
      var bool = typeof state === "boolean";

      return this.each(function () {
        if (bool ? state : isHidden(this)) {
          jQuery(this).show();
        } else {
          jQuery(this).hide();
        }
      });
    }
  });

  jQuery.extend({
    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function (elem, computed) {
          if (computed) {
            // We should always get a number back from opacity
            var ret = curCSS(elem, "opacity");
            return ret === "" ? "1" : ret;
          }
        }
      }
    },

    // Exclude the following css properties to add px
    cssNumber: {
      "columnCount": true,
      "fillOpacity": true,
      "fontWeight": true,
      "lineHeight": true,
      "opacity": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },

    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {
      // normalize float css property
      "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
    },

    // Get and set the style property on a DOM Node
    style: function (elem, name, value, extra) {
      // Don't set styles on text and comment nodes
      if (!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style) {
        return;
      }

      // Make sure that we're working with the right name
      var ret, type, hooks,
        origName = jQuery.camelCase(name),
        style = elem.style;

      name = jQuery.cssProps[origName] || (jQuery.cssProps[origName] = vendorPropName(style, origName));

      // gets hook for the prefixed version
      // followed by the unprefixed version
      hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName];

      // Check if we're setting a value
      if (value !== undefined) {
        type = typeof value;

        // convert relative number strings (+= or -=) to relative numbers. #7345
        if (type === "string" && (ret = rrelNum.exec(value))) {
          value = (ret[1] + 1) * ret[2] + parseFloat(jQuery.css(elem, name));
          // Fixes bug #9237
          type = "number";
        }

        // Make sure that NaN and null values aren't set. See: #7116
        if (value == null || type === "number" && isNaN(value)) {
          return;
        }

        // If a number was passed in, add 'px' to the (except for certain CSS properties)
        if (type === "number" && !jQuery.cssNumber[origName]) {
          value += "px";
        }

        // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
        // but it would mean to define eight (for every problematic property) identical functions
        if (!jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0) {
          style[name] = "inherit";
        }

        // If a hook was provided, use that value, otherwise just set the specified value
        if (!hooks || !("set" in hooks) || (value = hooks.set(elem, value, extra)) !== undefined) {

          // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
          // Fixes bug #5509
          try {
            style[name] = value;
          } catch (e) {}
        }

      } else {
        // If a hook was provided get the non-computed value from there
        if (hooks && "get" in hooks && (ret = hooks.get(elem, false, extra)) !== undefined) {
          return ret;
        }

        // Otherwise just get the value from the style object
        return style[name];
      }
    },

    css: function (elem, name, extra, styles) {
      var val, num, hooks,
        origName = jQuery.camelCase(name);

      // Make sure that we're working with the right name
      name = jQuery.cssProps[origName] || (jQuery.cssProps[origName] = vendorPropName(elem.style, origName));

      // gets hook for the prefixed version
      // followed by the unprefixed version
      hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName];

      // If a hook was provided get the computed value from there
      if (hooks && "get" in hooks) {
        val = hooks.get(elem, true, extra);
      }

      // Otherwise, if a way to get the computed value exists, use that
      if (val === undefined) {
        val = curCSS(elem, name, styles);
      }

      //convert "normal" to computed value
      if (val === "normal" && name in cssNormalTransform) {
        val = cssNormalTransform[name];
      }

      // Return, converting to number if forced or a qualifier was provided and val looks numeric
      if (extra) {
        num = parseFloat(val);
        return extra === true || jQuery.isNumeric(num) ? num || 0 : val;
      }
      return val;
    },

    // A method for quickly swapping in/out CSS properties to get correct calculations
    swap: function (elem, options, callback, args) {
      var ret, name,
        old = {};

      // Remember the old values, and insert the new ones
      for (name in options) {
        old[name] = elem.style[name];
        elem.style[name] = options[name];
      }

      ret = callback.apply(elem, args || []);

      // Revert the old values
      for (name in options) {
        elem.style[name] = old[name];
      }

      return ret;
    }
  });

  // NOTE: we've included the "window" in window.getComputedStyle
  // because jsdom on node.js will break without it.
  if (window.getComputedStyle) {
    getStyles = function (elem) {
      return window.getComputedStyle(elem, null);
    };

    curCSS = function (elem, name, _computed) {
      var width, minWidth, maxWidth,
        computed = _computed || getStyles(elem),

        // getPropertyValue is only needed for .css('filter') in IE9, see #12537
        ret = computed ? computed.getPropertyValue(name) || computed[name] : undefined,
        style = elem.style;

      if (computed) {

        if (ret === "" && !jQuery.contains(elem.ownerDocument, elem)) {
          ret = jQuery.style(elem, name);
        }

        // A tribute to the "awesome hack by Dean Edwards"
        // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
        // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
        // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
        if (rnumnonpx.test(ret) && rmargin.test(name)) {

          // Remember the original values
          width = style.width;
          minWidth = style.minWidth;
          maxWidth = style.maxWidth;

          // Put in the new values to get a computed value out
          style.minWidth = style.maxWidth = style.width = ret;
          ret = computed.width;

          // Revert the changed values
          style.width = width;
          style.minWidth = minWidth;
          style.maxWidth = maxWidth;
        }
      }

      return ret;
    };
  } else if (document.documentElement.currentStyle) {
    getStyles = function (elem) {
      return elem.currentStyle;
    };

    curCSS = function (elem, name, _computed) {
      var left, rs, rsLeft,
        computed = _computed || getStyles(elem),
        ret = computed ? computed[name] : undefined,
        style = elem.style;

      // Avoid setting ret to empty string here
      // so we don't default to auto
      if (ret == null && style && style[name]) {
        ret = style[name];
      }

      // From the awesome hack by Dean Edwards
      // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291

      // If we're not dealing with a regular pixel number
      // but a number that has a weird ending, we need to convert it to pixels
      // but not position css attributes, as those are proportional to the parent element instead
      // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
      if (rnumnonpx.test(ret) && !rposition.test(name)) {

        // Remember the original values
        left = style.left;
        rs = elem.runtimeStyle;
        rsLeft = rs && rs.left;

        // Put in the new values to get a computed value out
        if (rsLeft) {
          rs.left = elem.currentStyle.left;
        }
        style.left = name === "fontSize" ? "1em" : ret;
        ret = style.pixelLeft + "px";

        // Revert the changed values
        style.left = left;
        if (rsLeft) {
          rs.left = rsLeft;
        }
      }

      return ret === "" ? "auto" : ret;
    };
  }

  function setPositiveNumber(elem, value, subtract) {
    var matches = rnumsplit.exec(value);
    return matches ?
      // Guard against undefined "subtract", e.g., when used as in cssHooks
      Math.max(0, matches[1] - (subtract || 0)) + (matches[2] || "px") :
      value;
  }

  function augmentWidthOrHeight(elem, name, extra, isBorderBox, styles) {
    var i = extra === (isBorderBox ? "border" : "content") ?
      // If we already have the right measurement, avoid augmentation
      4 :
      // Otherwise initialize for horizontal or vertical properties
      name === "width" ? 1 : 0,

      val = 0;

    for (; i < 4; i += 2) {
      // both box models exclude margin, so add it if we want it
      if (extra === "margin") {
        val += jQuery.css(elem, extra + cssExpand[i], true, styles);
      }

      if (isBorderBox) {
        // border-box includes padding, so remove it if we want content
        if (extra === "content") {
          val -= jQuery.css(elem, "padding" + cssExpand[i], true, styles);
        }

        // at this point, extra isn't border nor margin, so remove border
        if (extra !== "margin") {
          val -= jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
        }
      } else {
        // at this point, extra isn't content, so add padding
        val += jQuery.css(elem, "padding" + cssExpand[i], true, styles);

        // at this point, extra isn't content nor padding, so add border
        if (extra !== "padding") {
          val += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
        }
      }
    }

    return val;
  }

  function getWidthOrHeight(elem, name, extra) {

    // Start with offset property, which is equivalent to the border-box value
    var valueIsBorderBox = true,
      val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
      styles = getStyles(elem),
      isBorderBox = jQuery.support.boxSizing && jQuery.css(elem, "boxSizing", false, styles) === "border-box";

    // some non-html elements return undefined for offsetWidth, so check for null/undefined
    // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
    if (val <= 0 || val == null) {
      // Fall back to computed then uncomputed css if necessary
      val = curCSS(elem, name, styles);
      if (val < 0 || val == null) {
        val = elem.style[name];
      }

      // Computed unit is not pixels. Stop here and return.
      if (rnumnonpx.test(val)) {
        return val;
      }

      // we need the check for style in case a browser which returns unreliable values
      // for getComputedStyle silently falls back to the reliable elem.style
      valueIsBorderBox = isBorderBox && (jQuery.support.boxSizingReliable || val === elem.style[name]);

      // Normalize "", auto, and prepare for extra
      val = parseFloat(val) || 0;
    }

    // use the active box-sizing model to add/subtract irrelevant styles
    return (val +
      augmentWidthOrHeight(
        elem,
        name,
        extra || (isBorderBox ? "border" : "content"),
        valueIsBorderBox,
        styles
      )
    ) + "px";
  }

  // Try to determine the default display value of an element
  function css_defaultDisplay(nodeName) {
    var doc = document,
      display = elemdisplay[nodeName];

    if (!display) {
      display = actualDisplay(nodeName, doc);

      // If the simple way fails, read from inside an iframe
      if (display === "none" || !display) {
        // Use the already-created iframe if possible
        iframe = (iframe ||
          jQuery("<iframe frameborder='0' width='0' height='0'/>")
          .css("cssText", "display:block !important")
        ).appendTo(doc.documentElement);

        // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
        doc = (iframe[0].contentWindow || iframe[0].contentDocument).document;
        doc.write("<!doctype html><html><body>");
        doc.close();

        display = actualDisplay(nodeName, doc);
        iframe.detach();
      }

      // Store the correct default display
      elemdisplay[nodeName] = display;
    }

    return display;
  }

  // Called ONLY from within css_defaultDisplay
  function actualDisplay(name, doc) {
    var elem = jQuery(doc.createElement(name)).appendTo(doc.body),
      display = jQuery.css(elem[0], "display");
    elem.remove();
    return display;
  }

  jQuery.each(["height", "width"], function (i, name) {
    jQuery.cssHooks[name] = {
      get: function (elem, computed, extra) {
        if (computed) {
          // certain elements can have dimension info if we invisibly show them
          // however, it must have a current display style that would benefit from this
          return elem.offsetWidth === 0 && rdisplayswap.test(jQuery.css(elem, "display")) ?
            jQuery.swap(elem, cssShow, function () {
              return getWidthOrHeight(elem, name, extra);
            }) :
            getWidthOrHeight(elem, name, extra);
        }
      },

      set: function (elem, value, extra) {
        var styles = extra && getStyles(elem);
        return setPositiveNumber(elem, value, extra ?
          augmentWidthOrHeight(
            elem,
            name,
            extra,
            jQuery.support.boxSizing && jQuery.css(elem, "boxSizing", false, styles) === "border-box",
            styles
          ) : 0
        );
      }
    };
  });

  if (!jQuery.support.opacity) {
    jQuery.cssHooks.opacity = {
      get: function (elem, computed) {
        // IE uses filters for opacity
        return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ?
          (0.01 * parseFloat(RegExp.$1)) + "" :
          computed ? "1" : "";
      },

      set: function (elem, value) {
        var style = elem.style,
          currentStyle = elem.currentStyle,
          opacity = jQuery.isNumeric(value) ? "alpha(opacity=" + value * 100 + ")" : "",
          filter = currentStyle && currentStyle.filter || style.filter || "";

        // IE has trouble with opacity if it does not have layout
        // Force it by setting the zoom level
        style.zoom = 1;

        // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
        // if value === "", then remove inline opacity #12685
        if ((value >= 1 || value === "") &&
          jQuery.trim(filter.replace(ralpha, "")) === "" &&
          style.removeAttribute) {

          // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
          // if "filter:" is present at all, clearType is disabled, we want to avoid this
          // style.removeAttribute is IE Only, but so apparently is this code path...
          style.removeAttribute("filter");

          // if there is no filter style applied in a css rule or unset inline opacity, we are done
          if (value === "" || currentStyle && !currentStyle.filter) {
            return;
          }
        }

        // otherwise, set new filter values
        style.filter = ralpha.test(filter) ?
          filter.replace(ralpha, opacity) :
          filter + " " + opacity;
      }
    };
  }

  // These hooks cannot be added until DOM ready because the support test
  // for it is not run until after DOM ready
  jQuery(function () {
    if (!jQuery.support.reliableMarginRight) {
      jQuery.cssHooks.marginRight = {
        get: function (elem, computed) {
          if (computed) {
            // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
            // Work around by temporarily setting element display to inline-block
            return jQuery.swap(elem, {
                "display": "inline-block"
              },
              curCSS, [elem, "marginRight"]);
          }
        }
      };
    }

    // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
    // getComputedStyle returns percent when specified for top/left/bottom/right
    // rather than make the css module depend on the offset module, we just check for it here
    if (!jQuery.support.pixelPosition && jQuery.fn.position) {
      jQuery.each(["top", "left"], function (i, prop) {
        jQuery.cssHooks[prop] = {
          get: function (elem, computed) {
            if (computed) {
              computed = curCSS(elem, prop);
              // if curCSS returns percentage, fallback to offset
              return rnumnonpx.test(computed) ?
                jQuery(elem).position()[prop] + "px" :
                computed;
            }
          }
        };
      });
    }

  });

  if (jQuery.expr && jQuery.expr.filters) {
    jQuery.expr.filters.hidden = function (elem) {
      return (elem.offsetWidth === 0 && elem.offsetHeight === 0) || (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css(elem, "display")) === "none");
    };

    jQuery.expr.filters.visible = function (elem) {
      return !jQuery.expr.filters.hidden(elem);
    };
  }

  // These hooks are used by animate to expand properties
  jQuery.each({
    margin: "",
    padding: "",
    border: "Width"
  }, function (prefix, suffix) {
    jQuery.cssHooks[prefix + suffix] = {
      expand: function (value) {
        var i = 0,
          expanded = {},

          // assumes a single number if not a string
          parts = typeof value === "string" ? value.split(" ") : [value];

        for (; i < 4; i++) {
          expanded[prefix + cssExpand[i] + suffix] =
            parts[i] || parts[i - 2] || parts[0];
        }

        return expanded;
      }
    };

    if (!rmargin.test(prefix)) {
      jQuery.cssHooks[prefix + suffix].set = setPositiveNumber;
    }
  });
  var r20 = /%20/g,
    rbracket = /\[\]$/,
    rCRLF = /\r?\n/g,
    rsubmitterTypes = /^(?:submit|button|image|reset)$/i,
    rsubmittable = /^(?:input|select|textarea|keygen)/i;

  jQuery.fn.extend({
    serialize: function () {
      return jQuery.param(this.serializeArray());
    },
    serializeArray: function () {
      return this.map(function () {
          // Can add propHook for "elements" to filter or add form elements
          var elements = jQuery.prop(this, "elements");
          return elements ? jQuery.makeArray(elements) : this;
        })
        .filter(function () {
          var type = this.type;
          // Use .is(":disabled") so that fieldset[disabled] works
          return this.name && !jQuery(this).is(":disabled") &&
            rsubmittable.test(this.nodeName) && !rsubmitterTypes.test(type) &&
            (this.checked || !manipulation_rcheckableType.test(type));
        })
        .map(function (i, elem) {
          var val = jQuery(this).val();

          return val == null ?
            null :
            jQuery.isArray(val) ?
            jQuery.map(val, function (val) {
              return {
                name: elem.name,
                value: val.replace(rCRLF, "\r\n")
              };
            }) : {
              name: elem.name,
              value: val.replace(rCRLF, "\r\n")
            };
        }).get();
    }
  });

  //Serialize an array of form elements or a set of
  //key/values into a query string
  jQuery.param = function (a, traditional) {
    var prefix,
      s = [],
      add = function (key, value) {
        // If value is a function, invoke it and return its value
        value = jQuery.isFunction(value) ? value() : (value == null ? "" : value);
        s[s.length] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
      };

    // Set traditional to true for jQuery <= 1.3.2 behavior.
    if (traditional === undefined) {
      traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    }

    // If an array was passed in, assume that it is an array of form elements.
    if (jQuery.isArray(a) || (a.jquery && !jQuery.isPlainObject(a))) {
      // Serialize the form elements
      jQuery.each(a, function () {
        add(this.name, this.value);
      });

    } else {
      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for (prefix in a) {
        buildParams(prefix, a[prefix], traditional, add);
      }
    }

    // Return the resulting serialization
    return s.join("&").replace(r20, "+");
  };

  function buildParams(prefix, obj, traditional, add) {
    var name;

    if (jQuery.isArray(obj)) {
      // Serialize array item.
      jQuery.each(obj, function (i, v) {
        if (traditional || rbracket.test(prefix)) {
          // Treat each array item as a scalar.
          add(prefix, v);

        } else {
          // Item is non-scalar (array or object), encode its numeric index.
          buildParams(prefix + "[" + (typeof v === "object" ? i : "") + "]", v, traditional, add);
        }
      });

    } else if (!traditional && jQuery.type(obj) === "object") {
      // Serialize object item.
      for (name in obj) {
        buildParams(prefix + "[" + name + "]", obj[name], traditional, add);
      }

    } else {
      // Serialize scalar item.
      add(prefix, obj);
    }
  }
  var
    // Document location
    ajaxLocParts,
    ajaxLocation,

    ajax_nonce = jQuery.now(),

    ajax_rquery = /\?/,
    rhash = /#.*$/,
    rts = /([?&])_=[^&]*/,
    rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
    // #7653, #8125, #8152: local protocol detection
    rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
    rnoContent = /^(?:GET|HEAD)$/,
    rprotocol = /^\/\//,
    rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,

    // Keep a copy of the old load method
    _load = jQuery.fn.load,

    /* Prefilters
     * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
     * 2) These are called:
     *    - BEFORE asking for a transport
     *    - AFTER param serialization (s.data is a string if s.processData is true)
     * 3) key is the dataType
     * 4) the catchall symbol "*" can be used
     * 5) execution will start with transport dataType and THEN continue down to "*" if needed
     */
    prefilters = {},

    /* Transports bindings
     * 1) key is the dataType
     * 2) the catchall symbol "*" can be used
     * 3) selection will start with transport dataType and THEN go to "*" if needed
     */
    transports = {},

    // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
    allTypes = "*/".concat("*");

  // #8138, IE may throw an exception when accessing
  // a field from window.location if document.domain has been set
  try {
    ajaxLocation = location.href;
  } catch (e) {
    // Use the href attribute of an A element
    // since IE will modify it given document.location
    ajaxLocation = document.createElement("a");
    ajaxLocation.href = "";
    ajaxLocation = ajaxLocation.href;
  }

  // Segment location into parts
  ajaxLocParts = rurl.exec(ajaxLocation.toLowerCase()) || [];

  // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports(structure) {

    // dataTypeExpression is optional and defaults to "*"
    return function (dataTypeExpression, func) {

      if (typeof dataTypeExpression !== "string") {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType,
        i = 0,
        dataTypes = dataTypeExpression.toLowerCase().match(core_rnotwhite) || [];

      if (jQuery.isFunction(func)) {
        // For each dataType in the dataTypeExpression
        while ((dataType = dataTypes[i++])) {
          // Prepend if requested
          if (dataType[0] === "+") {
            dataType = dataType.slice(1) || "*";
            (structure[dataType] = structure[dataType] || []).unshift(func);

            // Otherwise append
          } else {
            (structure[dataType] = structure[dataType] || []).push(func);
          }
        }
      }
    };
  }

  // Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports(structure, options, originalOptions, jqXHR) {

    var inspected = {},
      seekingTransport = (structure === transports);

    function inspect(dataType) {
      var selected;
      inspected[dataType] = true;
      jQuery.each(structure[dataType] || [], function (_, prefilterOrFactory) {
        var dataTypeOrTransport = prefilterOrFactory(options, originalOptions, jqXHR);
        if (typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[dataTypeOrTransport]) {
          options.dataTypes.unshift(dataTypeOrTransport);
          inspect(dataTypeOrTransport);
          return false;
        } else if (seekingTransport) {
          return !(selected = dataTypeOrTransport);
        }
      });
      return selected;
    }

    return inspect(options.dataTypes[0]) || !inspected["*"] && inspect("*");
  }

  // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887
  function ajaxExtend(target, src) {
    var 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;
  }

  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 >= 0) {
      selector = url.slice(off, url.length);
      url = url.slice(0, off);
    }

    // If it's a function
    if (jQuery.isFunction(params)) {

      // We assume that it's the callback
      callback = params;
      params = undefined;

      // Otherwise, build a param string
    } else if (params && typeof params === "object") {
      type = "POST";
    }

    // If we have elements to modify, make the request
    if (self.length > 0) {
      jQuery.ajax({
        url: url,

        // if "type" variable is undefined, then "GET" method will be used
        type: type,
        dataType: "html",
        data: params
      }).done(function (responseText) {

        // Save response for use in complete callback
        response = arguments;

        self.html(selector ?

          // If a selector was specified, locate the right elements in a dummy div
          // Exclude scripts to avoid IE 'Permission Denied' errors
          jQuery("<div>").append(jQuery.parseHTML(responseText)).find(selector) :

          // Otherwise use the full result
          responseText);

      }).complete(callback && function (jqXHR, status) {
        self.each(callback, response || [jqXHR.responseText, status, jqXHR]);
      });
    }

    return this;
  };

  // Attach a bunch of functions for handling common AJAX events
  jQuery.each(["ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend"], function (i, type) {
    jQuery.fn[type] = function (fn) {
      return this.on(type, fn);
    };
  });

  jQuery.each(["get", "post"], function (i, method) {
    jQuery[method] = function (url, data, callback, type) {
      // shift arguments if data argument was omitted
      if (jQuery.isFunction(data)) {
        type = type || callback;
        callback = data;
        data = undefined;
      }

      return jQuery.ajax({
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      });
    };
  });

  jQuery.extend({

    // Counter for holding the number of active queries
    active: 0,

    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},

    ajaxSettings: {
      url: ajaxLocation,
      type: "GET",
      isLocal: rlocalProtocol.test(ajaxLocParts[1]),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",
      /*
      timeout: 0,
      data: null,
      dataType: null,
      username: null,
      password: null,
      cache: null,
      throws: false,
      traditional: false,
      headers: {},
      */

      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },

      contents: {
        xml: /xml/,
        html: /html/,
        json: /json/
      },

      responseFields: {
        xml: "responseXML",
        text: "responseText"
      },

      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {

        // Convert anything to text
        "* text": window.String,

        // Text to html (true = no transformation)
        "text html": true,

        // Evaluate text as a json expression
        "text json": jQuery.parseJSON,

        // Parse text as xml
        "text xml": jQuery.parseXML
      },

      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        url: true,
        context: true
      }
    },

    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function (target, settings) {
      return settings ?

        // Building a settings object
        ajaxExtend(ajaxExtend(target, jQuery.ajaxSettings), settings) :

        // Extending ajaxSettings
        ajaxExtend(jQuery.ajaxSettings, target);
    },

    ajaxPrefilter: addToPrefiltersOrTransports(prefilters),
    ajaxTransport: addToPrefiltersOrTransports(transports),

    // Main method
    ajax: function (url, options) {

      // If url is an object, simulate pre-1.5 signature
      if (typeof url === "object") {
        options = url;
        url = undefined;
      }

      // Force options to be an object
      options = options || {};

      var transport,
        // URL without anti-cache param
        cacheURL,
        // Response headers
        responseHeadersString,
        responseHeaders,
        // timeout handle
        timeoutTimer,
        // Cross-domain detection vars
        parts,
        // To know if global events are to be dispatched
        fireGlobals,
        // Loop variable
        i,
        // Create the final options object
        s = jQuery.ajaxSetup({}, options),
        // Callbacks context
        callbackContext = s.context || s,
        // Context for global events is callbackContext if it is a DOM node or jQuery collection
        globalEventContext = s.context && (callbackContext.nodeType || callbackContext.jquery) ?
        jQuery(callbackContext) :
        jQuery.event,
        // Deferreds
        deferred = jQuery.Deferred(),
        completeDeferred = jQuery.Callbacks("once memory"),
        // Status-dependent callbacks
        statusCode = s.statusCode || {},
        // Headers (they are sent all at once)
        requestHeaders = {},
        requestHeadersNames = {},
        // The jqXHR state
        state = 0,
        // Default abort message
        strAbort = "canceled",
        // Fake xhr
        jqXHR = {
          readyState: 0,

          // Builds headers hashtable if needed
          getResponseHeader: function (key) {
            var match;
            if (state === 2) {
              if (!responseHeaders) {
                responseHeaders = {};
                while ((match = rheaders.exec(responseHeadersString))) {
                  responseHeaders[match[1].toLowerCase()] = match[2];
                }
              }
              match = responseHeaders[key.toLowerCase()];
            }
            return match == null ? null : match;
          },

          // Raw string
          getAllResponseHeaders: function () {
            return state === 2 ? responseHeadersString : null;
          },

          // Caches the header
          setRequestHeader: function (name, value) {
            var lname = name.toLowerCase();
            if (!state) {
              name = requestHeadersNames[lname] = requestHeadersNames[lname] || name;
              requestHeaders[name] = value;
            }
            return this;
          },

          // Overrides response content-type header
          overrideMimeType: function (type) {
            if (!state) {
              s.mimeType = type;
            }
            return this;
          },

          // Status-dependent callbacks
          statusCode: function (map) {
            var code;
            if (map) {
              if (state < 2) {
                for (code in map) {
                  // Lazy-add the new callback in a way that preserves old ones
                  statusCode[code] = [statusCode[code], map[code]];
                }
              } else {
                // Execute the appropriate callbacks
                jqXHR.always(map[jqXHR.status]);
              }
            }
            return this;
          },

          // Cancel the request
          abort: function (statusText) {
            var finalText = statusText || strAbort;
            if (transport) {
              transport.abort(finalText);
            }
            done(0, finalText);
            return this;
          }
        };

      // Attach deferreds
      deferred.promise(jqXHR).complete = completeDeferred.add;
      jqXHR.success = jqXHR.done;
      jqXHR.error = jqXHR.fail;

      // Remove hash character (#7531: and string promotion)
      // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available
      s.url = ((url || s.url || ajaxLocation) + "").replace(rhash, "").replace(rprotocol, ajaxLocParts[1] + "//");

      // Alias method option to type as per ticket #12004
      s.type = options.method || options.type || s.method || s.type;

      // Extract dataTypes list
      s.dataTypes = jQuery.trim(s.dataType || "*").toLowerCase().match(core_rnotwhite) || [""];

      // A cross-domain request is in order when we have a protocol:host:port mismatch
      if (s.crossDomain == null) {
        parts = rurl.exec(s.url.toLowerCase());
        s.crossDomain = !!(parts &&
          (parts[1] !== ajaxLocParts[1] || parts[2] !== ajaxLocParts[2] ||
            (parts[3] || (parts[1] === "http:" ? 80 : 443)) !=
            (ajaxLocParts[3] || (ajaxLocParts[1] === "http:" ? 80 : 443)))
        );
      }

      // Convert data if not already a string
      if (s.data && s.processData && typeof s.data !== "string") {
        s.data = jQuery.param(s.data, s.traditional);
      }

      // Apply prefilters
      inspectPrefiltersOrTransports(prefilters, s, options, jqXHR);

      // If request was aborted inside a prefilter, stop there
      if (state === 2) {
        return jqXHR;
      }

      // We can fire global events as of now if asked to
      fireGlobals = s.global;

      // Watch for a new set of requests
      if (fireGlobals && jQuery.active++ === 0) {
        jQuery.event.trigger("ajaxStart");
      }

      // Uppercase the type
      s.type = s.type.toUpperCase();

      // Determine if request has content
      s.hasContent = !rnoContent.test(s.type);

      // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on
      cacheURL = s.url;

      // More options handling for requests with no content
      if (!s.hasContent) {

        // If data is available, append data to url
        if (s.data) {
          cacheURL = (s.url += (ajax_rquery.test(cacheURL) ? "&" : "?") + s.data);
          // #9682: remove data so that it's not used in an eventual retry
          delete s.data;
        }

        // Add anti-cache in url if needed
        if (s.cache === false) {
          s.url = rts.test(cacheURL) ?

            // If there is already a '_' parameter, set its value
            cacheURL.replace(rts, "$1_=" + ajax_nonce++) :

            // Otherwise add one to the end
            cacheURL + (ajax_rquery.test(cacheURL) ? "&" : "?") + "_=" + ajax_nonce++;
        }
      }

      // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
      if (s.ifModified) {
        if (jQuery.lastModified[cacheURL]) {
          jqXHR.setRequestHeader("If-Modified-Since", jQuery.lastModified[cacheURL]);
        }
        if (jQuery.etag[cacheURL]) {
          jqXHR.setRequestHeader("If-None-Match", jQuery.etag[cacheURL]);
        }
      }

      // Set the correct header, if data is being sent
      if (s.data && s.hasContent && s.contentType !== false || options.contentType) {
        jqXHR.setRequestHeader("Content-Type", s.contentType);
      }

      // Set the Accepts header for the server, depending on the dataType
      jqXHR.setRequestHeader(
        "Accept",
        s.dataTypes[0] && s.accepts[s.dataTypes[0]] ?
        s.accepts[s.dataTypes[0]] + (s.dataTypes[0] !== "*" ? ", " + allTypes + "; q=0.01" : "") :
        s.accepts["*"]
      );

      // Check for headers option
      for (i in s.headers) {
        jqXHR.setRequestHeader(i, s.headers[i]);
      }

      // Allow custom headers/mimetypes and early abort
      if (s.beforeSend && (s.beforeSend.call(callbackContext, jqXHR, s) === false || state === 2)) {
        // Abort if not done already and return
        return jqXHR.abort();
      }

      // aborting is no longer a cancellation
      strAbort = "abort";

      // Install callbacks on deferreds
      for (i in {
          success: 1,
          error: 1,
          complete: 1
        }) {
        jqXHR[i](s[i]);
      }

      // Get transport
      transport = inspectPrefiltersOrTransports(transports, s, options, jqXHR);

      // If no transport, we auto-abort
      if (!transport) {
        done(-1, "No Transport");
      } else {
        jqXHR.readyState = 1;

        // Send global event
        if (fireGlobals) {
          globalEventContext.trigger("ajaxSend", [jqXHR, s]);
        }
        // Timeout
        if (s.async && s.timeout > 0) {
          timeoutTimer = setTimeout(function () {
            jqXHR.abort("timeout");
          }, s.timeout);
        }

        try {
          state = 1;
          transport.send(requestHeaders, done);
        } catch (e) {
          // Propagate exception as error if not done
          if (state < 2) {
            done(-1, e);
            // Simply rethrow otherwise
          } else {
            throw e;
          }
        }
      }

      // Callback for when everything is done
      function done(status, nativeStatusText, responses, headers) {
        var isSuccess, success, error, response, modified,
          statusText = nativeStatusText;

        // Called once
        if (state === 2) {
          return;
        }

        // State is "done" now
        state = 2;

        // Clear timeout if it exists
        if (timeoutTimer) {
          clearTimeout(timeoutTimer);
        }

        // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)
        transport = undefined;

        // Cache response headers
        responseHeadersString = headers || "";

        // Set readyState
        jqXHR.readyState = status > 0 ? 4 : 0;

        // Get response data
        if (responses) {
          response = ajaxHandleResponses(s, jqXHR, responses);
        }

        // If successful, handle type chaining
        if (status >= 200 && status < 300 || status === 304) {

          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if (s.ifModified) {
            modified = jqXHR.getResponseHeader("Last-Modified");
            if (modified) {
              jQuery.lastModified[cacheURL] = modified;
            }
            modified = jqXHR.getResponseHeader("etag");
            if (modified) {
              jQuery.etag[cacheURL] = modified;
            }
          }

          // If not modified
          if (status === 304) {
            isSuccess = true;
            statusText = "notmodified";

            // If we have data
          } else {
            isSuccess = ajaxConvert(s, response);
            statusText = isSuccess.state;
            success = isSuccess.data;
            error = isSuccess.error;
            isSuccess = !error;
          }
        } else {
          // We extract error from statusText
          // then normalize statusText and status for non-aborts
          error = statusText;
          if (status || !statusText) {
            statusText = "error";
            if (status < 0) {
              status = 0;
            }
          }
        }

        // Set data for the fake xhr object
        jqXHR.status = status;
        jqXHR.statusText = (nativeStatusText || statusText) + "";

        // Success/Error
        if (isSuccess) {
          deferred.resolveWith(callbackContext, [success, statusText, jqXHR]);
        } else {
          deferred.rejectWith(callbackContext, [jqXHR, statusText, error]);
        }

        // Status-dependent callbacks
        jqXHR.statusCode(statusCode);
        statusCode = undefined;

        if (fireGlobals) {
          globalEventContext.trigger(isSuccess ? "ajaxSuccess" : "ajaxError",
            [jqXHR, s, isSuccess ? success : error]);
        }

        // Complete
        completeDeferred.fireWith(callbackContext, [jqXHR, statusText]);

        if (fireGlobals) {
          globalEventContext.trigger("ajaxComplete", [jqXHR, s]);
          // Handle the global AJAX counter
          if (!(--jQuery.active)) {
            jQuery.event.trigger("ajaxStop");
          }
        }
      }

      return jqXHR;
    },

    getScript: function (url, callback) {
      return jQuery.get(url, undefined, callback, "script");
    },

    getJSON: function (url, data, callback) {
      return jQuery.get(url, data, callback, "json");
    }
  });

  /* Handles responses to an ajax request:
   * - sets all responseXXX fields accordingly
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */
  function ajaxHandleResponses(s, jqXHR, responses) {

    var ct, type, finalDataType, firstDataType,
      contents = s.contents,
      dataTypes = s.dataTypes,
      responseFields = s.responseFields;

    // Fill responseXXX fields
    for (type in responseFields) {
      if (type in responses) {
        jqXHR[responseFields[type]] = responses[type];
      }
    }

    // Remove auto dataType and get content-type in the process
    while (dataTypes[0] === "*") {
      dataTypes.shift();
      if (ct === undefined) {
        ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
      }
    }

    // Check if we're dealing with a known content-type
    if (ct) {
      for (type in contents) {
        if (contents[type] && contents[type].test(ct)) {
          dataTypes.unshift(type);
          break;
        }
      }
    }

    // Check to see if we have a response for the expected dataType
    if (dataTypes[0] in responses) {
      finalDataType = dataTypes[0];
    } else {
      // Try convertible dataTypes
      for (type in responses) {
        if (!dataTypes[0] || s.converters[type + " " + dataTypes[0]]) {
          finalDataType = type;
          break;
        }
        if (!firstDataType) {
          firstDataType = type;
        }
      }
      // Or just use first one
      finalDataType = finalDataType || firstDataType;
    }

    // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response
    if (finalDataType) {
      if (finalDataType !== dataTypes[0]) {
        dataTypes.unshift(finalDataType);
      }
      return responses[finalDataType];
    }
  }

  // Chain conversions given the request and the original response
  function ajaxConvert(s, response) {

    var conv, conv2, current, tmp,
      converters = {},
      i = 0,
      // Work with a copy of dataTypes in case we need to modify it for conversion
      dataTypes = s.dataTypes.slice(),
      prev = dataTypes[0];

    // Apply the dataFilter if provided
    if (s.dataFilter) {
      response = s.dataFilter(response, s.dataType);
    }

    // Create converters map with lowercased keys
    if (dataTypes[1]) {
      for (conv in s.converters) {
        converters[conv.toLowerCase()] = s.converters[conv];
      }
    }

    // Convert to each sequential dataType, tolerating list modification
    for (;
      (current = dataTypes[++i]);) {

      // There's only work to do if current dataType is non-auto
      if (current !== "*") {

        // Convert response if prev dataType is non-auto and differs from current
        if (prev !== "*" && prev !== current) {

          // Seek a direct converter
          conv = converters[prev + " " + current] || converters["* " + current];

          // If none found, seek a pair
          if (!conv) {
            for (conv2 in converters) {

              // If conv2 outputs current
              tmp = conv2.split(" ");
              if (tmp[1] === current) {

                // If prev can be converted to accepted input
                conv = converters[prev + " " + tmp[0]] ||
                  converters["* " + tmp[0]];
                if (conv) {
                  // Condense equivalence converters
                  if (conv === true) {
                    conv = converters[conv2];

                    // Otherwise, insert the intermediate dataType
                  } else if (converters[conv2] !== true) {
                    current = tmp[0];
                    dataTypes.splice(i--, 0, current);
                  }

                  break;
                }
              }
            }
          }

          // Apply converter (if not an equivalence)
          if (conv !== true) {

            // Unless errors are allowed to bubble, catch and return them
            if (conv && s["throws"]) {
              response = conv(response);
            } else {
              try {
                response = conv(response);
              } catch (e) {
                return {
                  state: "parsererror",
                  error: conv ? e : "No conversion from " + prev + " to " + current
                };
              }
            }
          }
        }

        // Update prev for next iteration
        prev = current;
      }
    }

    return {
      state: "success",
      data: response
    };
  }
  // Install script dataType
  jQuery.ajaxSetup({
    accepts: {
      script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /(?:java|ecma)script/
    },
    converters: {
      "text script": function (text) {
        jQuery.globalEval(text);
        return text;
      }
    }
  });

  // Handle cache's special case and global
  jQuery.ajaxPrefilter("script", function (s) {
    if (s.cache === undefined) {
      s.cache = false;
    }
    if (s.crossDomain) {
      s.type = "GET";
      s.global = false;
    }
  });

  // Bind script tag hack transport
  jQuery.ajaxTransport("script", function (s) {

    // This transport only deals with cross domain requests
    if (s.crossDomain) {

      var script,
        head = document.head || jQuery("head")[0] || document.documentElement;

      return {

        send: function (_, callback) {

          script = document.createElement("script");

          script.async = true;

          if (s.scriptCharset) {
            script.charset = s.scriptCharset;
          }

          script.src = s.url;

          // Attach handlers for all browsers
          script.onload = script.onreadystatechange = function (_, isAbort) {

            if (isAbort || !script.readyState || /loaded|complete/.test(script.readyState)) {

              // Handle memory leak in IE
              script.onload = script.onreadystatechange = null;

              // Remove the script
              if (script.parentNode) {
                script.parentNode.removeChild(script);
              }

              // Dereference the script
              script = null;

              // Callback if not abort
              if (!isAbort) {
                callback(200, "success");
              }
            }
          };

          // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
          // Use native DOM manipulation to avoid our domManip AJAX trickery
          head.insertBefore(script, head.firstChild);
        },

        abort: function () {
          if (script) {
            script.onload(undefined, true);
          }
        }
      };
    }
  });
  var oldCallbacks = [],
    rjsonp = /(=)\?(?=&|$)|\?\?/;

  // Default jsonp settings
  jQuery.ajaxSetup({
    jsonp: "callback",
    jsonpCallback: function () {
      var callback = oldCallbacks.pop() || (jQuery.expando + "_" + (ajax_nonce++));
      this[callback] = true;
      return callback;
    }
  });

  // Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter("json jsonp", function (s, originalSettings, jqXHR) {

    var callbackName, overwritten, responseContainer,
      jsonProp = s.jsonp !== false && (rjsonp.test(s.url) ?
        "url" :
        typeof s.data === "string" && !(s.contentType || "").indexOf("application/x-www-form-urlencoded") && rjsonp.test(s.data) && "data"
      );

    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if (jsonProp || s.dataTypes[0] === "jsonp") {

      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = jQuery.isFunction(s.jsonpCallback) ?
        s.jsonpCallback() :
        s.jsonpCallback;

      // Insert callback into url or form data
      if (jsonProp) {
        s[jsonProp] = s[jsonProp].replace(rjsonp, "$1" + callbackName);
      } else if (s.jsonp !== false) {
        s.url += (ajax_rquery.test(s.url) ? "&" : "?") + s.jsonp + "=" + callbackName;
      }

      // Use data converter to retrieve json after script execution
      s.converters["script json"] = function () {
        if (!responseContainer) {
          jQuery.error(callbackName + " was not called");
        }
        return responseContainer[0];
      };

      // force json dataType
      s.dataTypes[0] = "json";

      // Install callback
      overwritten = window[callbackName];
      window[callbackName] = function () {
        responseContainer = arguments;
      };

      // Clean-up function (fires after converters)
      jqXHR.always(function () {
        // Restore preexisting value
        window[callbackName] = overwritten;

        // Save back as free
        if (s[callbackName]) {
          // make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback;

          // save the callback name for future use
          oldCallbacks.push(callbackName);
        }

        // Call if it was a function and we have a response
        if (responseContainer && jQuery.isFunction(overwritten)) {
          overwritten(responseContainer[0]);
        }

        responseContainer = overwritten = undefined;
      });

      // Delegate to script
      return "script";
    }
  });
  var xhrCallbacks, xhrSupported,
    xhrId = 0,
    // #5280: Internet Explorer will keep connections alive if we don't abort on unload
    xhrOnUnloadAbort = window.ActiveXObject && function () {
      // Abort all pending requests
      var key;
      for (key in xhrCallbacks) {
        xhrCallbacks[key](undefined, true);
      }
    };

  // Functions to create xhrs
  function createStandardXHR() {
    try {
      return new window.XMLHttpRequest();
    } catch (e) {}
  }

  function createActiveXHR() {
    try {
      return new window.ActiveXObject("Microsoft.XMLHTTP");
    } catch (e) {}
  }

  // Create the request object
  // (This is still attached to ajaxSettings for backward compatibility)
  jQuery.ajaxSettings.xhr = window.ActiveXObject ?
    /* Microsoft failed to properly
     * implement the XMLHttpRequest in IE7 (can't request local files),
     * so we use the ActiveXObject when it is available
     * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
     * we need a fallback.
     */
    function () {
      return !this.isLocal && createStandardXHR() || createActiveXHR();
    } :
    // For all other browsers, use the standard XMLHttpRequest object
    createStandardXHR;

  // Determine support properties
  xhrSupported = jQuery.ajaxSettings.xhr();
  jQuery.support.cors = !!xhrSupported && ("withCredentials" in xhrSupported);
  xhrSupported = jQuery.support.ajax = !!xhrSupported;

  // Create transport if the browser can provide an xhr
  if (xhrSupported) {

    jQuery.ajaxTransport(function (s) {
      // Cross domain only allowed if supported through XMLHttpRequest
      if (!s.crossDomain || jQuery.support.cors) {

        var callback;

        return {
          send: function (headers, complete) {

            // Get a new xhr
            var handle, i,
              xhr = s.xhr();

            // Open the socket
            // Passing null username, generates a login popup on Opera (#2865)
            if (s.username) {
              xhr.open(s.type, s.url, s.async, s.username, s.password);
            } else {
              xhr.open(s.type, s.url, s.async);
            }

            // Apply custom fields if provided
            if (s.xhrFields) {
              for (i in s.xhrFields) {
                xhr[i] = s.xhrFields[i];
              }
            }

            // Override mime type if needed
            if (s.mimeType && xhr.overrideMimeType) {
              xhr.overrideMimeType(s.mimeType);
            }

            // X-Requested-With header
            // For cross-domain requests, seeing as conditions for a preflight are
            // akin to a jigsaw puzzle, we simply never set it to be sure.
            // (it can always be set on a per-request basis or even using ajaxSetup)
            // For same-domain requests, won't change header if already provided.
            if (!s.crossDomain && !headers["X-Requested-With"]) {
              headers["X-Requested-With"] = "XMLHttpRequest";
            }

            // Need an extra try/catch for cross domain requests in Firefox 3
            try {
              for (i in headers) {
                xhr.setRequestHeader(i, headers[i]);
              }
            } catch (err) {}

            // Do send the request
            // This may raise an exception which is actually
            // handled in jQuery.ajax (so no try/catch here)
            xhr.send((s.hasContent && s.data) || null);

            // Listener
            callback = function (_, isAbort) {

              var status,
                statusText,
                responseHeaders,
                responses,
                xml;

              // Firefox throws exceptions when accessing properties
              // of an xhr when a network error occurred
              // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
              try {

                // Was never called and is aborted or complete
                if (callback && (isAbort || xhr.readyState === 4)) {

                  // Only called once
                  callback = undefined;

                  // Do not keep as active anymore
                  if (handle) {
                    xhr.onreadystatechange = jQuery.noop;
                    if (xhrOnUnloadAbort) {
                      delete xhrCallbacks[handle];
                    }
                  }

                  // If it's an abort
                  if (isAbort) {
                    // Abort it manually if needed
                    if (xhr.readyState !== 4) {
                      xhr.abort();
                    }
                  } else {
                    responses = {};
                    status = xhr.status;
                    xml = xhr.responseXML;
                    responseHeaders = xhr.getAllResponseHeaders();

                    // Construct response list
                    if (xml && xml.documentElement /* #4958 */ ) {
                      responses.xml = xml;
                    }

                    // When requesting binary data, IE6-9 will throw an exception
                    // on any attempt to access responseText (#11426)
                    if (typeof xhr.responseText === "string") {
                      responses.text = xhr.responseText;
                    }

                    // Firefox throws an exception when accessing
                    // statusText for faulty cross-domain requests
                    try {
                      statusText = xhr.statusText;
                    } catch (e) {
                      // We normalize with Webkit giving an empty statusText
                      statusText = "";
                    }

                    // Filter status for non standard behaviors

                    // If the request is local and we have data: assume a success
                    // (success with no data won't get notified, that's the best we
                    // can do given current implementations)
                    if (!status && s.isLocal && !s.crossDomain) {
                      status = responses.text ? 200 : 404;
                      // IE - #1450: sometimes returns 1223 when it should be 204
                    } else if (status === 1223) {
                      status = 204;
                    }
                  }
                }
              } catch (firefoxAccessException) {
                if (!isAbort) {
                  complete(-1, firefoxAccessException);
                }
              }

              // Call complete if needed
              if (responses) {
                complete(status, statusText, responses, responseHeaders);
              }
            };

            if (!s.async) {
              // if we're in sync mode we fire the callback
              callback();
            } else if (xhr.readyState === 4) {
              // (IE6 & IE7) if it's in cache and has been
              // retrieved directly we need to fire the callback
              setTimeout(callback);
            } else {
              handle = ++xhrId;
              if (xhrOnUnloadAbort) {
                // Create the active xhrs callbacks list if needed
                // and attach the unload handler
                if (!xhrCallbacks) {
                  xhrCallbacks = {};
                  jQuery(window).unload(xhrOnUnloadAbort);
                }
                // Add to list of active xhrs callbacks
                xhrCallbacks[handle] = callback;
              }
              xhr.onreadystatechange = callback;
            }
          },

          abort: function () {
            if (callback) {
              callback(undefined, true);
            }
          }
        };
      }
    });
  }
  var fxNow, timerId,
    rfxtypes = /^(?:toggle|show|hide)$/,
    rfxnum = new RegExp("^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i"),
    rrun = /queueHooks$/,
    animationPrefilters = [defaultPrefilter],
    tweeners = {
      "*": [function (prop, value) {
        var end, unit,
          tween = this.createTween(prop, value),
          parts = rfxnum.exec(value),
          target = tween.cur(),
          start = +target || 0,
          scale = 1,
          maxIterations = 20;

        if (parts) {
          end = +parts[2];
          unit = parts[3] || (jQuery.cssNumber[prop] ? "" : "px");

          // We need to compute starting value
          if (unit !== "px" && start) {
            // Iteratively approximate from a nonzero starting point
            // Prefer the current property, because this process will be trivial if it uses the same units
            // Fallback to end or a simple constant
            start = jQuery.css(tween.elem, prop, true) || end || 1;

            do {
              // If previous iteration zeroed out, double until we get *something*
              // Use a string for doubling factor so we don't accidentally see scale as unchanged below
              scale = scale || ".5";

              // Adjust and apply
              start = start / scale;
              jQuery.style(tween.elem, prop, start + unit);

              // Update scale, tolerating zero or NaN from tween.cur()
              // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
            } while (scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations);
          }

          tween.unit = unit;
          tween.start = start;
          // If a +=/-= token was provided, we're doing a relative animation
          tween.end = parts[1] ? start + (parts[1] + 1) * end : end;
        }
        return tween;
      }]
    };

  // Animations created synchronously will run synchronously
  function createFxNow() {
    setTimeout(function () {
      fxNow = undefined;
    });
    return (fxNow = jQuery.now());
  }

  function createTweens(animation, props) {
    jQuery.each(props, function (prop, value) {
      var collection = (tweeners[prop] || []).concat(tweeners["*"]),
        index = 0,
        length = collection.length;
      for (; index < length; index++) {
        if (collection[index].call(animation, prop, value)) {

          // we're done with this property
          return;
        }
      }
    });
  }

  function Animation(elem, properties, options) {
    var result,
      stopped,
      index = 0,
      length = animationPrefilters.length,
      deferred = jQuery.Deferred().always(function () {
        // don't match elem in the :animated selector
        delete tick.elem;
      }),
      tick = function () {
        if (stopped) {
          return false;
        }
        var currentTime = fxNow || createFxNow(),
          remaining = Math.max(0, animation.startTime + animation.duration - currentTime),
          // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
          temp = remaining / animation.duration || 0,
          percent = 1 - temp,
          index = 0,
          length = animation.tweens.length;

        for (; index < length; index++) {
          animation.tweens[index].run(percent);
        }

        deferred.notifyWith(elem, [animation, percent, remaining]);

        if (percent < 1 && length) {
          return remaining;
        } else {
          deferred.resolveWith(elem, [animation]);
          return false;
        }
      },
      animation = deferred.promise({
        elem: elem,
        props: jQuery.extend({}, properties),
        opts: jQuery.extend(true, {
          specialEasing: {}
        }, options),
        originalProperties: properties,
        originalOptions: options,
        startTime: fxNow || createFxNow(),
        duration: options.duration,
        tweens: [],
        createTween: function (prop, end) {
          var tween = jQuery.Tween(elem, animation.opts, prop, end,
            animation.opts.specialEasing[prop] || animation.opts.easing);
          animation.tweens.push(tween);
          return tween;
        },
        stop: function (gotoEnd) {
          var index = 0,
            // if we are going to the end, we want to run all the tweens
            // otherwise we skip this part
            length = gotoEnd ? animation.tweens.length : 0;
          if (stopped) {
            return this;
          }
          stopped = true;
          for (; index < length; index++) {
            animation.tweens[index].run(1);
          }

          // resolve when we played the last frame
          // otherwise, reject
          if (gotoEnd) {
            deferred.resolveWith(elem, [animation, gotoEnd]);
          } else {
            deferred.rejectWith(elem, [animation, gotoEnd]);
          }
          return this;
        }
      }),
      props = animation.props;

    propFilter(props, animation.opts.specialEasing);

    for (; index < length; index++) {
      result = animationPrefilters[index].call(animation, elem, props, animation.opts);
      if (result) {
        return result;
      }
    }

    createTweens(animation, props);

    if (jQuery.isFunction(animation.opts.start)) {
      animation.opts.start.call(elem, animation);
    }

    jQuery.fx.timer(
      jQuery.extend(tick, {
        elem: elem,
        anim: animation,
        queue: animation.opts.queue
      })
    );

    // attach callbacks from options
    return animation.progress(animation.opts.progress)
      .done(animation.opts.done, animation.opts.complete)
      .fail(animation.opts.fail)
      .always(animation.opts.always);
  }

  function propFilter(props, specialEasing) {
    var index, name, easing, value, hooks;

    // camelCase, specialEasing and expand cssHook pass
    for (index in props) {
      name = jQuery.camelCase(index);
      easing = specialEasing[name];
      value = props[index];
      if (jQuery.isArray(value)) {
        easing = value[1];
        value = props[index] = value[0];
      }

      if (index !== name) {
        props[name] = value;
        delete props[index];
      }

      hooks = jQuery.cssHooks[name];
      if (hooks && "expand" in hooks) {
        value = hooks.expand(value);
        delete props[name];

        // not quite $.extend, this wont overwrite keys already present.
        // also - reusing 'index' from above because we have the correct "name"
        for (index in value) {
          if (!(index in props)) {
            props[index] = value[index];
            specialEasing[index] = easing;
          }
        }
      } else {
        specialEasing[name] = easing;
      }
    }
  }

  jQuery.Animation = jQuery.extend(Animation, {

    tweener: function (props, callback) {
      if (jQuery.isFunction(props)) {
        callback = props;
        props = ["*"];
      } else {
        props = props.split(" ");
      }

      var prop,
        index = 0,
        length = props.length;

      for (; index < length; index++) {
        prop = props[index];
        tweeners[prop] = tweeners[prop] || [];
        tweeners[prop].unshift(callback);
      }
    },

    prefilter: function (callback, prepend) {
      if (prepend) {
        animationPrefilters.unshift(callback);
      } else {
        animationPrefilters.push(callback);
      }
    }
  });

  function defaultPrefilter(elem, props, opts) {
    /*jshint validthis:true */
    var index, prop, value, length, dataShow, toggle, tween, hooks, oldfire,
      anim = this,
      style = elem.style,
      orig = {},
      handled = [],
      hidden = elem.nodeType && isHidden(elem);

    // handle queue: false promises
    if (!opts.queue) {
      hooks = jQuery._queueHooks(elem, "fx");
      if (hooks.unqueued == null) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;
        hooks.empty.fire = function () {
          if (!hooks.unqueued) {
            oldfire();
          }
        };
      }
      hooks.unqueued++;

      anim.always(function () {
        // doing this makes sure that the complete handler will be called
        // before this completes
        anim.always(function () {
          hooks.unqueued--;
          if (!jQuery.queue(elem, "fx").length) {
            hooks.empty.fire();
          }
        });
      });
    }

    // height/width overflow pass
    if (elem.nodeType === 1 && ("height" in props || "width" in props)) {
      // Make sure that nothing sneaks out
      // Record all 3 overflow attributes because IE does not
      // change the overflow attribute when overflowX and
      // overflowY are set to the same value
      opts.overflow = [style.overflow, style.overflowX, style.overflowY];

      // Set display property to inline-block for height/width
      // animations on inline elements that are having width/height animated
      if (jQuery.css(elem, "display") === "inline" &&
        jQuery.css(elem, "float") === "none") {

        // inline-level elements accept inline-block;
        // block-level elements need to be inline with layout
        if (!jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay(elem.nodeName) === "inline") {
          style.display = "inline-block";

        } else {
          style.zoom = 1;
        }
      }
    }

    if (opts.overflow) {
      style.overflow = "hidden";
      if (!jQuery.support.shrinkWrapBlocks) {
        anim.done(function () {
          style.overflow = opts.overflow[0];
          style.overflowX = opts.overflow[1];
          style.overflowY = opts.overflow[2];
        });
      }
    }


    // show/hide pass
    for (index in props) {
      value = props[index];
      if (rfxtypes.exec(value)) {
        delete props[index];
        toggle = toggle || value === "toggle";
        if (value === (hidden ? "hide" : "show")) {
          continue;
        }
        handled.push(index);
      }
    }

    length = handled.length;
    if (length) {
      dataShow = jQuery._data(elem, "fxshow") || jQuery._data(elem, "fxshow", {});
      if ("hidden" in dataShow) {
        hidden = dataShow.hidden;
      }

      // store state if its toggle - enables .stop().toggle() to "reverse"
      if (toggle) {
        dataShow.hidden = !hidden;
      }
      if (hidden) {
        jQuery(elem).show();
      } else {
        anim.done(function () {
          jQuery(elem).hide();
        });
      }
      anim.done(function () {
        var prop;
        jQuery._removeData(elem, "fxshow");
        for (prop in orig) {
          jQuery.style(elem, prop, orig[prop]);
        }
      });
      for (index = 0; index < length; index++) {
        prop = handled[index];
        tween = anim.createTween(prop, hidden ? dataShow[prop] : 0);
        orig[prop] = dataShow[prop] || jQuery.style(elem, prop);

        if (!(prop in dataShow)) {
          dataShow[prop] = tween.start;
          if (hidden) {
            tween.end = tween.start;
            tween.start = prop === "width" || prop === "height" ? 1 : 0;
          }
        }
      }
    }
  }

  function Tween(elem, options, prop, end, easing) {
    return new Tween.prototype.init(elem, options, prop, end, easing);
  }
  jQuery.Tween = Tween;

  Tween.prototype = {
    constructor: Tween,
    init: function (elem, options, prop, end, easing, unit) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || "swing";
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || (jQuery.cssNumber[prop] ? "" : "px");
    },
    cur: function () {
      var hooks = Tween.propHooks[this.prop];

      return hooks && hooks.get ?
        hooks.get(this) :
        Tween.propHooks._default.get(this);
    },
    run: function (percent) {
      var eased,
        hooks = Tween.propHooks[this.prop];

      if (this.options.duration) {
        this.pos = eased = jQuery.easing[this.easing](
          percent, this.options.duration * percent, 0, 1, this.options.duration
        );
      } else {
        this.pos = eased = percent;
      }
      this.now = (this.end - this.start) * eased + this.start;

      if (this.options.step) {
        this.options.step.call(this.elem, this.now, this);
      }

      if (hooks && hooks.set) {
        hooks.set(this);
      } else {
        Tween.propHooks._default.set(this);
      }
      return this;
    }
  };

  Tween.prototype.init.prototype = Tween.prototype;

  Tween.propHooks = {
    _default: {
      get: function (tween) {
        var result;

        if (tween.elem[tween.prop] != null &&
          (!tween.elem.style || tween.elem.style[tween.prop] == null)) {
          return tween.elem[tween.prop];
        }

        // passing a non empty string as a 3rd parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails
        // so, simple values such as "10px" are parsed to Float.
        // complex values such as "rotate(1rad)" are returned as is.
        result = jQuery.css(tween.elem, tween.prop, "auto");
        // Empty strings, null, undefined and "auto" are converted to 0.
        return !result || result === "auto" ? 0 : result;
      },
      set: function (tween) {
        // use step hook for back compat - use cssHook if its there - use .style if its
        // available and use plain properties where available
        if (jQuery.fx.step[tween.prop]) {
          jQuery.fx.step[tween.prop](tween);
        } else if (tween.elem.style && (tween.elem.style[jQuery.cssProps[tween.prop]] != null || jQuery.cssHooks[tween.prop])) {
          jQuery.style(tween.elem, tween.prop, tween.now + tween.unit);
        } else {
          tween.elem[tween.prop] = tween.now;
        }
      }
    }
  };

  // Remove in 2.0 - this supports IE8's panic based approach
  // to setting things on disconnected nodes

  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function (tween) {
      if (tween.elem.nodeType && tween.elem.parentNode) {
        tween.elem[tween.prop] = tween.now;
      }
    }
  };

  jQuery.each(["toggle", "show", "hide"], function (i, name) {
    var cssFn = jQuery.fn[name];
    jQuery.fn[name] = function (speed, easing, callback) {
      return speed == null || typeof speed === "boolean" ?
        cssFn.apply(this, arguments) :
        this.animate(genFx(name, true), speed, easing, callback);
    };
  });

  jQuery.fn.extend({
    fadeTo: function (speed, to, easing, callback) {

      // show any hidden elements after setting opacity to 0
      return this.filter(isHidden).css("opacity", 0).show()

        // animate to the value specified
        .end().animate({
          opacity: to
        }, speed, easing, callback);
    },
    animate: function (prop, speed, easing, callback) {
      var empty = jQuery.isEmptyObject(prop),
        optall = jQuery.speed(speed, easing, callback),
        doAnimation = function () {
          // Operate on a copy of prop so per-property easing won't be lost
          var anim = Animation(this, jQuery.extend({}, prop), optall);
          doAnimation.finish = function () {
            anim.stop(true);
          };
          // Empty animations, or finishing resolves immediately
          if (empty || jQuery._data(this, "finish")) {
            anim.stop(true);
          }
        };
      doAnimation.finish = doAnimation;

      return empty || optall.queue === false ?
        this.each(doAnimation) :
        this.queue(optall.queue, doAnimation);
    },
    stop: function (type, clearQueue, gotoEnd) {
      var stopQueue = function (hooks) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop(gotoEnd);
      };

      if (typeof type !== "string") {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }
      if (clearQueue && type !== false) {
        this.queue(type || "fx", []);
      }

      return this.each(function () {
        var dequeue = true,
          index = type != null && type + "queueHooks",
          timers = jQuery.timers,
          data = jQuery._data(this);

        if (index) {
          if (data[index] && data[index].stop) {
            stopQueue(data[index]);
          }
        } else {
          for (index in data) {
            if (data[index] && data[index].stop && rrun.test(index)) {
              stopQueue(data[index]);
            }
          }
        }

        for (index = timers.length; index--;) {
          if (timers[index].elem === this && (type == null || timers[index].queue === type)) {
            timers[index].anim.stop(gotoEnd);
            dequeue = false;
            timers.splice(index, 1);
          }
        }

        // start the next in the queue if the last step wasn't forced
        // timers currently will call their complete callbacks, which will dequeue
        // but only if they were gotoEnd
        if (dequeue || !gotoEnd) {
          jQuery.dequeue(this, type);
        }
      });
    },
    finish: function (type) {
      if (type !== false) {
        type = type || "fx";
      }
      return this.each(function () {
        var index,
          data = jQuery._data(this),
          queue = data[type + "queue"],
          hooks = data[type + "queueHooks"],
          timers = jQuery.timers,
          length = queue ? queue.length : 0;

        // enable finishing flag on private data
        data.finish = true;

        // empty the queue first
        jQuery.queue(this, type, []);

        if (hooks && hooks.cur && hooks.cur.finish) {
          hooks.cur.finish.call(this);
        }

        // look for any active animations, and finish them
        for (index = timers.length; index--;) {
          if (timers[index].elem === this && timers[index].queue === type) {
            timers[index].anim.stop(true);
            timers.splice(index, 1);
          }
        }

        // look for any animations in the old queue and finish them
        for (index = 0; index < length; index++) {
          if (queue[index] && queue[index].finish) {
            queue[index].finish.call(this);
          }
        }

        // turn off finishing flag
        delete data.finish;
      });
    }
  });

  // Generate parameters to create a standard animation
  function genFx(type, includeWidth) {
    var which,
      attrs = {
        height: type
      },
      i = 0;

    // if we include width, step value is 1 to do all cssExpand values,
    // if we don't include width, step value is 2 to skip over Left and Right
    includeWidth = includeWidth ? 1 : 0;
    for (; i < 4; i += 2 - includeWidth) {
      which = cssExpand[i];
      attrs["margin" + which] = attrs["padding" + which] = type;
    }

    if (includeWidth) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

  // Generate shortcuts for custom animations
  jQuery.each({
    slideDown: genFx("show"),
    slideUp: genFx("hide"),
    slideToggle: genFx("toggle"),
    fadeIn: {
      opacity: "show"
    },
    fadeOut: {
      opacity: "hide"
    },
    fadeToggle: {
      opacity: "toggle"
    }
  }, function (name, props) {
    jQuery.fn[name] = function (speed, easing, callback) {
      return this.animate(props, speed, easing, callback);
    };
  });

  jQuery.speed = function (speed, easing, fn) {
    var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : {
      complete: fn || !fn && easing ||
        jQuery.isFunction(speed) && speed,
      duration: speed,
      easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
    };

    opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
      opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[opt.duration] : jQuery.fx.speeds._default;

    // normalize opt.queue - true/undefined/null -> "fx"
    if (opt.queue == null || opt.queue === true) {
      opt.queue = "fx";
    }

    // Queueing
    opt.old = opt.complete;

    opt.complete = function () {
      if (jQuery.isFunction(opt.old)) {
        opt.old.call(this);
      }

      if (opt.queue) {
        jQuery.dequeue(this, opt.queue);
      }
    };

    return opt;
  };

  jQuery.easing = {
    linear: function (p) {
      return p;
    },
    swing: function (p) {
      return 0.5 - Math.cos(p * Math.PI) / 2;
    }
  };

  jQuery.timers = [];
  jQuery.fx = Tween.prototype.init;
  jQuery.fx.tick = function () {
    var timer,
      timers = jQuery.timers,
      i = 0;

    fxNow = jQuery.now();

    for (; i < timers.length; i++) {
      timer = timers[i];
      // Checks the timer has not already been removed
      if (!timer() && timers[i] === timer) {
        timers.splice(i--, 1);
      }
    }

    if (!timers.length) {
      jQuery.fx.stop();
    }
    fxNow = undefined;
  };

  jQuery.fx.timer = function (timer) {
    if (timer() && jQuery.timers.push(timer)) {
      jQuery.fx.start();
    }
  };

  jQuery.fx.interval = 13;

  jQuery.fx.start = function () {
    if (!timerId) {
      timerId = setInterval(jQuery.fx.tick, jQuery.fx.interval);
    }
  };

  jQuery.fx.stop = function () {
    clearInterval(timerId);
    timerId = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
    // Default speed
    _default: 400
  };

  // Back Compat <1.8 extension point
  jQuery.fx.step = {};

  if (jQuery.expr && jQuery.expr.filters) {
    jQuery.expr.filters.animated = function (elem) {
      return jQuery.grep(jQuery.timers, function (fn) {
        return elem === fn.elem;
      }).length;
    };
  }
  jQuery.fn.offset = function (options) {
    if (arguments.length) {
      return options === undefined ?
        this :
        this.each(function (i) {
          jQuery.offset.setOffset(this, options, i);
        });
    }

    var docElem, win,
      box = {
        top: 0,
        left: 0
      },
      elem = this[0],
      doc = elem && elem.ownerDocument;

    if (!doc) {
      return;
    }

    docElem = doc.documentElement;

    // Make sure it's not a disconnected DOM node
    if (!jQuery.contains(docElem, elem)) {
      return box;
    }

    // If we don't have gBCR, just use 0,0 rather than error
    // BlackBerry 5, iOS 3 (original iPhone)
    if (typeof elem.getBoundingClientRect !== "undefined") {
      box = elem.getBoundingClientRect();
    }
    win = getWindow(doc);
    return {
      top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),
      left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)
    };
  };

  jQuery.offset = {

    setOffset: function (elem, options, i) {
      var position = jQuery.css(elem, "position");

      // set position first, in-case top/left are set even on static elem
      if (position === "static") {
        elem.style.position = "relative";
      }

      var curElem = jQuery(elem),
        curOffset = curElem.offset(),
        curCSSTop = jQuery.css(elem, "top"),
        curCSSLeft = jQuery.css(elem, "left"),
        calculatePosition = (position === "absolute" || position === "fixed") && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
        props = {},
        curPosition = {},
        curTop, curLeft;

      // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
      if (calculatePosition) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;
      } else {
        curTop = parseFloat(curCSSTop) || 0;
        curLeft = parseFloat(curCSSLeft) || 0;
      }

      if (jQuery.isFunction(options)) {
        options = options.call(elem, i, curOffset);
      }

      if (options.top != null) {
        props.top = (options.top - curOffset.top) + curTop;
      }
      if (options.left != null) {
        props.left = (options.left - curOffset.left) + curLeft;
      }

      if ("using" in options) {
        options.using.call(elem, props);
      } else {
        curElem.css(props);
      }
    }
  };


  jQuery.fn.extend({

    position: function () {
      if (!this[0]) {
        return;
      }

      var offsetParent, offset,
        parentOffset = {
          top: 0,
          left: 0
        },
        elem = this[0];

      // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
      if (jQuery.css(elem, "position") === "fixed") {
        // we assume that getBoundingClientRect is available when computed position is fixed
        offset = elem.getBoundingClientRect();
      } else {
        // Get *real* offsetParent
        offsetParent = this.offsetParent();

        // Get correct offsets
        offset = this.offset();
        if (!jQuery.nodeName(offsetParent[0], "html")) {
          parentOffset = offsetParent.offset();
        }

        // Add offsetParent borders
        parentOffset.top += jQuery.css(offsetParent[0], "borderTopWidth", true);
        parentOffset.left += jQuery.css(offsetParent[0], "borderLeftWidth", true);
      }

      // Subtract parent offsets and element margins
      // note: when an element has margin: auto the offsetLeft and marginLeft
      // are the same in Safari causing offset.left to incorrectly be 0
      return {
        top: offset.top - parentOffset.top - jQuery.css(elem, "marginTop", true),
        left: offset.left - parentOffset.left - jQuery.css(elem, "marginLeft", true)
      };
    },

    offsetParent: function () {
      return this.map(function () {
        var offsetParent = this.offsetParent || document.documentElement;
        while (offsetParent && (!jQuery.nodeName(offsetParent, "html") && jQuery.css(offsetParent, "position") === "static")) {
          offsetParent = offsetParent.offsetParent;
        }
        return offsetParent || document.documentElement;
      });
    }
  });


  // Create scrollLeft and scrollTop methods
  jQuery.each({
    scrollLeft: "pageXOffset",
    scrollTop: "pageYOffset"
  }, function (method, prop) {
    var top = /Y/.test(prop);

    jQuery.fn[method] = function (val) {
      return jQuery.access(this, function (elem, method, val) {
        var win = getWindow(elem);

        if (val === undefined) {
          return win ? (prop in win) ? win[prop] :
            win.document.documentElement[method] :
            elem[method];
        }

        if (win) {
          win.scrollTo(
            !top ? val : jQuery(win).scrollLeft(),
            top ? val : jQuery(win).scrollTop()
          );

        } else {
          elem[method] = val;
        }
      }, method, val, arguments.length, null);
    };
  });

  function getWindow(elem) {
    return jQuery.isWindow(elem) ?
      elem :
      elem.nodeType === 9 ?
      elem.defaultView || elem.parentWindow :
      false;
  }
  // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each({
    Height: "height",
    Width: "width"
  }, function (name, type) {
    jQuery.each({
      padding: "inner" + name,
      content: type,
      "": "outer" + name
    }, function (defaultExtra, funcName) {
      // margin is only for outerHeight, outerWidth
      jQuery.fn[funcName] = function (margin, value) {
        var chainable = arguments.length && (defaultExtra || typeof margin !== "boolean"),
          extra = defaultExtra || (margin === true || value === true ? "margin" : "border");

        return jQuery.access(this, function (elem, type, value) {
          var doc;

          if (jQuery.isWindow(elem)) {
            // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
            // isn't a whole lot we can do. See pull request at this URL for discussion:
            // https://github.com/jquery/jquery/pull/764
            return elem.document.documentElement["client" + name];
          }

          // Get document width or height
          if (elem.nodeType === 9) {
            doc = elem.documentElement;

            // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
            // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
            return Math.max(
              elem.body["scroll" + name], doc["scroll" + name],
              elem.body["offset" + name], doc["offset" + name],
              doc["client" + name]
            );
          }

          return value === undefined ?
            // Get width or height on the element, requesting but not forcing parseFloat
            jQuery.css(elem, type, extra) :

            // Set width or height on the element
            jQuery.style(elem, type, value, extra);
        }, type, chainable ? margin : undefined, chainable, null);
      };
    });
  });
  // Limit scope pollution from any deprecated API
  // (function() {

  // })();
  // Expose jQuery to the global object
  window.jQuery = window.$ = jQuery;

  // Expose jQuery as an AMD module, but only for AMD loaders that
  // understand the issues with loading multiple versions of jQuery
  // in a page that all might call define(). The loader will indicate
  // they have special allowances for multiple jQuery versions by
  // specifying define.amd.jQuery = true. Register as a named module,
  // since jQuery can be concatenated with other files that may use define,
  // but not use a proper concatenation script that understands anonymous
  // AMD modules. A named AMD is safest and most robust way to register.
  // Lowercase jquery is used because AMD module names are derived from
  // file names, and jQuery is normally delivered in a lowercase file name.
  // Do this after creating the global so that if an AMD module wants to call
  // noConflict to hide this version of jQuery, it will work.
  if (typeof define === "function" && define.amd && define.amd.jQuery) {
    define("jquery", [], function () {
      return jQuery;
    });
  }

})(window);