/*!
 * jQuery JavaScript Library v2.2.4
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2016-05-20T17:23Z
 */

(function( global, factory ) {

  if ( typeof module === "object" && typeof module.exports === "object" ) {
    // For CommonJS and CommonJS-like environments where a proper `window`
    // is present, execute the factory and get jQuery.
    // For environments that do not have a `window` with a `document`
    // (such as Node.js), expose a factory as module.exports.
    // This accentuates the need for the creation of a real `window`.
    // e.g. var jQuery = require("jquery")(window);
    // See ticket #14549 for more info.
    module.exports = global.document ?
      factory( global, true ) :
      function( w ) {
        if ( !w.document ) {
          throw new Error( "jQuery requires a window with a document" );
        }
        return factory( w );
      };
  } else {
    factory( global );
  }

// Pass this if window is not defined yet
}(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {

// Support: Firefox 18+
// Can't be in strict mode, several libs including ASP.NET trace
// the stack via arguments.caller.callee and Firefox dies if
// you try to trace through "use strict" call chains. (#13335)
//"use strict";
  var arr = [];

  var document = window.document;

  var slice = arr.slice;

  var concat = arr.concat;

  var push = arr.push;

  var indexOf = arr.indexOf;

  var class2type = {};

  var toString = class2type.toString;

  var hasOwn = class2type.hasOwnProperty;

  var support = {};



  var
    version = "2.2.4",

  // Define a local copy of jQuery
    jQuery = function( selector, context ) {

      // The jQuery object is actually just the init constructor 'enhanced'
      // Need init if jQuery is called (just allow error to be thrown if not included)
      return new jQuery.fn.init( selector, context );
    },

  // Support: Android<4.1
  // Make sure we trim BOM and NBSP
    rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,

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

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

  jQuery.fn = jQuery.prototype = {

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

    constructor: jQuery,

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

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

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

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

        // Return just the one element from the set
        ( num < 0 ? this[ num + this.length ] : this[ num ] ) :

        // Return all the elements in a clean array
        slice.call( this );
    },

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

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

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

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

    // Execute a callback for every element in the matched set.
    each: function( callback ) {
      return jQuery.each( this, callback );
    },

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

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

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

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

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

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

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

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

    // Handle a deep copy situation
    if ( typeof target === "boolean" ) {
      deep = target;

      // Skip the boolean and the target
      target = arguments[ i ] || {};
      i++;
    }

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

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

    for ( ; i < length; i++ ) {

      // Only deal with non-null/undefined values
      if ( ( options = arguments[ i ] ) != null ) {

        // Extend the base object
        for ( name in options ) {
          src = target[ name ];
          copy = options[ name ];

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

          // Recurse if we're merging plain objects or arrays
          if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
            ( copyIsArray = jQuery.isArray( copy ) ) ) ) {

            if ( copyIsArray ) {
              copyIsArray = false;
              clone = src && jQuery.isArray( src ) ? src : [];

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

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

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

    // Return the modified object
    return target;
  };

  jQuery.extend( {

    // Unique for each copy of jQuery on the page
    expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),

    // Assume jQuery is ready without the ready module
    isReady: true,

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

    noop: function() {},

    isFunction: function( obj ) {
      return jQuery.type( obj ) === "function";
    },

    isArray: Array.isArray,

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

    isNumeric: function( obj ) {

      // parseFloat NaNs numeric-cast false positives (null|true|false|"")
      // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
      // subtraction forces infinities to NaN
      // adding 1 corrects loss of precision from parseFloat (#15100)
      var realStringObj = obj && obj.toString();
      return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
    },

    isPlainObject: function( obj ) {
      var key;

      // Not plain objects:
      // - Any object or value whose internal [[Class]] property is not "[object Object]"
      // - DOM nodes
      // - window
      if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
        return false;
      }

      // Not own constructor property must be Object
      if ( obj.constructor &&
        !hasOwn.call( obj, "constructor" ) &&
        !hasOwn.call( obj.constructor.prototype || {}, "isPrototypeOf" ) ) {
        return false;
      }

      // Own properties are enumerated firstly, so to speed up,
      // if last one is own, then all properties are own
      for ( key in obj ) {}

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

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

    type: function( obj ) {
      if ( obj == null ) {
        return obj + "";
      }

      // Support: Android<4.0, iOS<6 (functionish RegExp)
      return typeof obj === "object" || typeof obj === "function" ?
      class2type[ toString.call( obj ) ] || "object" :
        typeof obj;
    },

    // Evaluates a script in a global context
    globalEval: function( code ) {
      var script,
        indirect = eval;

      code = jQuery.trim( code );

      if ( code ) {

        // If the code includes a valid, prologue position
        // strict mode pragma, execute code by injecting a
        // script tag into the document.
        if ( code.indexOf( "use strict" ) === 1 ) {
          script = document.createElement( "script" );
          script.text = code;
          document.head.appendChild( script ).parentNode.removeChild( script );
        } else {

          // Otherwise, avoid the DOM node creation, insertion
          // and removal by using an indirect global eval

          indirect( code );
        }
      }
    },

    // Convert dashed to camelCase; used by the css and data modules
    // Support: IE9-11+
    // Microsoft forgot to hump their vendor prefix (#9572)
    camelCase: function( string ) {
      return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
    },

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

    each: function( obj, callback ) {
      var length, i = 0;

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

      return obj;
    },

    // Support: Android<4.1
    trim: function( text ) {
      return text == null ?
        "" :
        ( text + "" ).replace( rtrim, "" );
    },

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

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

      return ret;
    },

    inArray: function( elem, arr, i ) {
      return arr == null ? -1 : indexOf.call( arr, elem, i );
    },

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

      for ( ; j < len; j++ ) {
        first[ i++ ] = second[ j ];
      }

      first.length = i;

      return first;
    },

    grep: function( elems, callback, invert ) {
      var callbackInverse,
        matches = [],
        i = 0,
        length = elems.length,
        callbackExpect = !invert;

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

      return matches;
    },

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

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

          if ( value != null ) {
            ret.push( value );
          }
        }

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

          if ( value != null ) {
            ret.push( value );
          }
        }
      }

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

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

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

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

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

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

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

      return proxy;
    },

    now: Date.now,

    // jQuery.support is not used in Core but other projects attach their
    // properties to it so it needs to exist.
    support: support
  } );

// JSHint would error on this code due to the Symbol not being defined in ES5.
// Defining this global in .jshintrc would create a danger of using the global
// unguarded in another place, it seems safer to just disable JSHint for these
// three lines.
  /* jshint ignore: start */
  if ( typeof Symbol === "function" ) {
    jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
  }
  /* jshint ignore: end */

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

  function isArrayLike( obj ) {

    // Support: iOS 8.2 (not reproducible in simulator)
    // `in` check used to prevent JIT error (gh-2145)
    // hasOwn isn't used here due to false negatives
    // regarding Nodelist length in IE
    var length = !!obj && "length" in obj && obj.length,
      type = jQuery.type( obj );

    if ( type === "function" || jQuery.isWindow( obj ) ) {
      return false;
    }

    return type === "array" || length === 0 ||
      typeof length === "number" && length > 0 && ( length - 1 ) in obj;
  }
  var Sizzle =
    /*!
     * Sizzle CSS Selector Engine v2.2.1
     * http://sizzlejs.com/
     *
     * Copyright jQuery Foundation and other contributors
     * Released under the MIT license
     * http://jquery.org/license
     *
     * Date: 2015-10-17
     */
    (function( window ) {

      var i,
        support,
        Expr,
        getText,
        isXML,
        tokenize,
        compile,
        select,
        outermostContext,
        sortInput,
        hasDuplicate,

      // Local document vars
        setDocument,
        document,
        docElem,
        documentIsHTML,
        rbuggyQSA,
        rbuggyMatches,
        matches,
        contains,

      // Instance-specific data
        expando = "sizzle" + 1 * new Date(),
        preferredDoc = window.document,
        dirruns = 0,
        done = 0,
        classCache = createCache(),
        tokenCache = createCache(),
        compilerCache = createCache(),
        sortOrder = function( a, b ) {
          if ( a === b ) {
            hasDuplicate = true;
          }
          return 0;
        },

      // General-purpose constants
        MAX_NEGATIVE = 1 << 31,

      // Instance methods
        hasOwn = ({}).hasOwnProperty,
        arr = [],
        pop = arr.pop,
        push_native = arr.push,
        push = arr.push,
        slice = arr.slice,
      // Use a stripped-down indexOf as it's faster than native
      // http://jsperf.com/thor-indexof-vs-for/5
        indexOf = function( list, elem ) {
          var i = 0,
            len = list.length;
          for ( ; i < len; i++ ) {
            if ( list[i] === elem ) {
              return i;
            }
          }
          return -1;
        },

        booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",

      // Regular expressions

      // http://www.w3.org/TR/css3-selectors/#whitespace
        whitespace = "[\\x20\\t\\r\\n\\f]",

      // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
        identifier = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",

      // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
        attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
            // Operator (capture 2)
          "*([*^$|!~]?=)" + whitespace +
            // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
          "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
          "*\\]",

        pseudos = ":(" + identifier + ")(?:\\((" +
            // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
            // 1. quoted (capture 3; capture 4 or capture 5)
          "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
            // 2. simple (capture 6)
          "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
            // 3. anything else (capture 2)
          ".*" +
          ")\\)|)",

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

        rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
        rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),

        rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),

        rpseudo = new RegExp( pseudos ),
        ridentifier = new RegExp( "^" + identifier + "$" ),

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

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

        rnative = /^[^{]+\{\s*\[native \w/,

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

        rsibling = /[+~]/,
        rescape = /'|\\/g,

      // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
        runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
        funescape = function( _, escaped, escapedWhitespace ) {
          var high = "0x" + escaped - 0x10000;
          // NaN means non-codepoint
          // Support: Firefox<24
          // Workaround erroneous numeric interpretation of +"0x"
          return high !== high || escapedWhitespace ?
            escaped :
            high < 0 ?
              // BMP codepoint
              String.fromCharCode( high + 0x10000 ) :
              // Supplemental Plane codepoint (surrogate pair)
              String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
        },

      // Used for iframes
      // See setDocument()
      // Removing the function wrapper causes a "Permission Denied"
      // error in IE
        unloadHandler = function() {
          setDocument();
        };

// Optimize for push.apply( _, NodeList )
      try {
        push.apply(
          (arr = slice.call( preferredDoc.childNodes )),
          preferredDoc.childNodes
        );
        // Support: Android<4.0
        // Detect silently failing push.apply
        arr[ preferredDoc.childNodes.length ].nodeType;
      } catch ( e ) {
        push = { apply: arr.length ?

          // Leverage slice if possible
          function( target, els ) {
            push_native.apply( target, slice.call(els) );
          } :

          // Support: IE<9
          // Otherwise append directly
          function( target, els ) {
            var j = target.length,
              i = 0;
            // Can't trust NodeList.length
            while ( (target[j++] = els[i++]) ) {}
            target.length = j - 1;
          }
        };
      }

      function Sizzle( selector, context, results, seed ) {
        var m, i, elem, nid, nidselect, match, groups, newSelector,
          newContext = context && context.ownerDocument,

        // nodeType defaults to 9, since context defaults to document
          nodeType = context ? context.nodeType : 9;

        results = results || [];

        // Return early from calls with invalid selector or context
        if ( typeof selector !== "string" || !selector ||
          nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {

          return results;
        }

        // Try to shortcut find operations (as opposed to filters) in HTML documents
        if ( !seed ) {

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

          if ( documentIsHTML ) {

            // If the selector is sufficiently simple, try using a "get*By*" DOM method
            // (excepting DocumentFragment context, where the methods don't exist)
            if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {

              // ID selector
              if ( (m = match[1]) ) {

                // Document context
                if ( nodeType === 9 ) {
                  if ( (elem = context.getElementById( m )) ) {

                    // Support: IE, Opera, Webkit
                    // TODO: identify versions
                    // getElementById can match elements by name instead of ID
                    if ( elem.id === m ) {
                      results.push( elem );
                      return results;
                    }
                  } else {
                    return results;
                  }

                  // Element context
                } else {

                  // Support: IE, Opera, Webkit
                  // TODO: identify versions
                  // getElementById can match elements by name instead of ID
                  if ( newContext && (elem = newContext.getElementById( m )) &&
                    contains( context, elem ) &&
                    elem.id === m ) {

                    results.push( elem );
                    return results;
                  }
                }

                // Type selector
              } else if ( match[2] ) {
                push.apply( results, context.getElementsByTagName( selector ) );
                return results;

                // Class selector
              } else if ( (m = match[3]) && support.getElementsByClassName &&
                context.getElementsByClassName ) {

                push.apply( results, context.getElementsByClassName( m ) );
                return results;
              }
            }

            // Take advantage of querySelectorAll
            if ( support.qsa &&
              !compilerCache[ selector + " " ] &&
              (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {

              if ( nodeType !== 1 ) {
                newContext = context;
                newSelector = selector;

                // qSA looks outside Element context, which is not what we want
                // Thanks to Andrew Dupont for this workaround technique
                // Support: IE <=8
                // Exclude object elements
              } else if ( context.nodeName.toLowerCase() !== "object" ) {

                // Capture the context ID, setting it first if necessary
                if ( (nid = context.getAttribute( "id" )) ) {
                  nid = nid.replace( rescape, "\\$&" );
                } else {
                  context.setAttribute( "id", (nid = expando) );
                }

                // Prefix every selector in the list
                groups = tokenize( selector );
                i = groups.length;
                nidselect = ridentifier.test( nid ) ? "#" + nid : "[id='" + nid + "']";
                while ( i-- ) {
                  groups[i] = nidselect + " " + toSelector( groups[i] );
                }
                newSelector = groups.join( "," );

                // Expand context for sibling selectors
                newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
                  context;
              }

              if ( newSelector ) {
                try {
                  push.apply( results,
                    newContext.querySelectorAll( newSelector )
                  );
                  return results;
                } catch ( qsaError ) {
                } finally {
                  if ( nid === expando ) {
                    context.removeAttribute( "id" );
                  }
                }
              }
            }
          }
        }

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

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

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

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

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

        try {
          return !!fn( div );
        } catch (e) {
          return false;
        } finally {
          // Remove from its parent by default
          if ( div.parentNode ) {
            div.parentNode.removeChild( div );
          }
          // release memory in IE
          div = null;
        }
      }

      /**
       * Adds the same handler for all of the specified attrs
       * @param {String} attrs Pipe-separated list of attributes
       * @param {Function} handler The method that will be applied
       */
      function addHandle( attrs, handler ) {
        var arr = attrs.split("|"),
          i = arr.length;

        while ( i-- ) {
          Expr.attrHandle[ arr[i] ] = handler;
        }
      }

      /**
       * Checks document order of two siblings
       * @param {Element} a
       * @param {Element} b
       * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
       */
      function siblingCheck( a, b ) {
        var cur = b && a,
          diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
            ( ~b.sourceIndex || MAX_NEGATIVE ) -
            ( ~a.sourceIndex || MAX_NEGATIVE );

        // Use IE sourceIndex if available on both nodes
        if ( diff ) {
          return diff;
        }

        // Check if b follows a
        if ( cur ) {
          while ( (cur = cur.nextSibling) ) {
            if ( cur === b ) {
              return -1;
            }
          }
        }

        return a ? 1 : -1;
      }

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

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

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

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

      /**
       * Checks a node for validity as a Sizzle context
       * @param {Element|Object=} context
       * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
       */
      function testContext( context ) {
        return context && typeof context.getElementsByTagName !== "undefined" && context;
      }

// Expose support vars for convenience
      support = Sizzle.support = {};

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

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

        // Return early if doc is invalid or already selected
        if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
          return document;
        }

        // Update global variables
        document = doc;
        docElem = document.documentElement;
        documentIsHTML = !isXML( document );

        // Support: IE 9-11, Edge
        // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
        if ( (parent = document.defaultView) && parent.top !== parent ) {
          // Support: IE 11
          if ( parent.addEventListener ) {
            parent.addEventListener( "unload", unloadHandler, false );

            // Support: IE 9 - 10 only
          } else if ( parent.attachEvent ) {
            parent.attachEvent( "onunload", unloadHandler );
          }
        }

        /* Attributes
         ---------------------------------------------------------------------- */

        // Support: IE<8
        // Verify that getAttribute really returns attributes and not properties
        // (excepting IE8 booleans)
        support.attributes = assert(function( div ) {
          div.className = "i";
          return !div.getAttribute("className");
        });

        /* getElement(s)By*
         ---------------------------------------------------------------------- */

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

        // Support: IE<9
        support.getElementsByClassName = rnative.test( document.getElementsByClassName );

        // Support: IE<10
        // Check if getElementById returns elements by name
        // The broken getElementById methods don't pick up programatically-set names,
        // so use a roundabout getElementsByName test
        support.getById = assert(function( div ) {
          docElem.appendChild( div ).id = expando;
          return !document.getElementsByName || !document.getElementsByName( expando ).length;
        });

        // ID find and filter
        if ( support.getById ) {
          Expr.find["ID"] = function( id, context ) {
            if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
              var m = context.getElementById( id );
              return m ? [ m ] : [];
            }
          };
          Expr.filter["ID"] = function( id ) {
            var attrId = id.replace( runescape, funescape );
            return function( elem ) {
              return elem.getAttribute("id") === attrId;
            };
          };
        } else {
          // Support: IE6/7
          // getElementById is not reliable as a find shortcut
          delete Expr.find["ID"];

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

        // Tag
        Expr.find["TAG"] = support.getElementsByTagName ?
          function( tag, context ) {
            if ( typeof context.getElementsByTagName !== "undefined" ) {
              return context.getElementsByTagName( tag );

              // DocumentFragment nodes don't have gEBTN
            } else if ( support.qsa ) {
              return context.querySelectorAll( tag );
            }
          } :

          function( tag, context ) {
            var elem,
              tmp = [],
              i = 0,
            // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
              results = context.getElementsByTagName( tag );

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

              return tmp;
            }
            return results;
          };

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

        /* QSA/matchesSelector
         ---------------------------------------------------------------------- */

        // QSA and matchesSelector support

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

        // qSa(:focus) reports false when true (Chrome 21)
        // We allow this because of a bug in IE8/9 that throws an error
        // whenever `document.activeElement` is accessed on an iframe
        // So, we allow :focus to pass through QSA all the time to avoid the IE error
        // See http://bugs.jquery.com/ticket/13378
        rbuggyQSA = [];

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

            // Support: IE8, Opera 11-12.16
            // Nothing should be selected when empty strings follow ^= or $= or *=
            // The test attribute must be unknown in Opera but "safe" for WinRT
            // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
            if ( div.querySelectorAll("[msallowcapture^='']").length ) {
              rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
            }

            // Support: IE8
            // Boolean attributes and "value" are not treated correctly
            if ( !div.querySelectorAll("[selected]").length ) {
              rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
            }

            // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
            if ( !div.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
              rbuggyQSA.push("~=");
            }

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

            // Support: Safari 8+, iOS 8+
            // https://bugs.webkit.org/show_bug.cgi?id=136851
            // In-page `selector#id sibing-combinator selector` fails
            if ( !div.querySelectorAll( "a#" + expando + "+*" ).length ) {
              rbuggyQSA.push(".#.+[+~]");
            }
          });

          assert(function( div ) {
            // Support: Windows 8 Native Apps
            // The type and name attributes are restricted during .innerHTML assignment
            var input = document.createElement("input");
            input.setAttribute( "type", "hidden" );
            div.appendChild( input ).setAttribute( "name", "D" );

            // Support: IE8
            // Enforce case-sensitivity of name attribute
            if ( div.querySelectorAll("[name=d]").length ) {
              rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
            }

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

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

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

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

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

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

        /* Contains
         ---------------------------------------------------------------------- */
        hasCompare = rnative.test( docElem.compareDocumentPosition );

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

        /* Sorting
         ---------------------------------------------------------------------- */

        // Document order sorting
        sortOrder = hasCompare ?
          function( a, b ) {

            // Flag for duplicate removal
            if ( a === b ) {
              hasDuplicate = true;
              return 0;
            }

            // Sort on method existence if only one input has compareDocumentPosition
            var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
            if ( compare ) {
              return compare;
            }

            // Calculate position if both inputs belong to the same document
            compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
              a.compareDocumentPosition( b ) :

              // Otherwise we know they are disconnected
              1;

            // Disconnected nodes
            if ( compare & 1 ||
              (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {

              // Choose the first element that is related to our preferred document
              if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
                return -1;
              }
              if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
                return 1;
              }

              // Maintain original order
              return sortInput ?
                ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
                0;
            }

            return compare & 4 ? -1 : 1;
          } :
          function( a, b ) {
            // Exit early if the nodes are identical
            if ( a === b ) {
              hasDuplicate = true;
              return 0;
            }

            var cur,
              i = 0,
              aup = a.parentNode,
              bup = b.parentNode,
              ap = [ a ],
              bp = [ b ];

            // Parentless nodes are either documents or disconnected
            if ( !aup || !bup ) {
              return a === document ? -1 :
                b === document ? 1 :
                  aup ? -1 :
                    bup ? 1 :
                      sortInput ?
                        ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
                        0;

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

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

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

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

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

        return document;
      };

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

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

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

        if ( support.matchesSelector && documentIsHTML &&
          !compilerCache[ expr + " " ] &&
          ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
          ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {

          try {
            var ret = matches.call( elem, expr );

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

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

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

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

        var fn = Expr.attrHandle[ name.toLowerCase() ],
        // Don't get fooled by Object.prototype properties (jQuery #13807)
          val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
            fn( elem, name, !documentIsHTML ) :
            undefined;

        return val !== undefined ?
          val :
          support.attributes || !documentIsHTML ?
            elem.getAttribute( name ) :
            (val = elem.getAttributeNode(name)) && val.specified ?
              val.value :
              null;
      };

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

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

        // Unless we *know* we can detect duplicates, assume their presence
        hasDuplicate = !support.detectDuplicates;
        sortInput = !support.sortStable && results.slice( 0 );
        results.sort( sortOrder );

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

        // Clear input after sorting to release objects
        // See https://github.com/jquery/sizzle/pull/225
        sortInput = null;

        return results;
      };

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

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

        return ret;
      };

      Expr = Sizzle.selectors = {

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

        createPseudo: markFunction,

        match: matchExpr,

        attrHandle: {},

        find: {},

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

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

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

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

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

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

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

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

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

            return match;
          },

          "PSEUDO": function( match ) {
            var excess,
              unquoted = !match[6] && match[2];

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

            // Accept quoted arguments as-is
            if ( match[3] ) {
              match[2] = match[4] || match[5] || "";

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

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

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

        filter: {

          "TAG": function( nodeNameSelector ) {
            var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
            return nodeNameSelector === "*" ?
              function() { return true; } :
              function( elem ) {
                return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
              };
          },

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

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

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

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

              result += "";

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

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

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

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

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

                if ( parent ) {

                  // :(first|last|only)-(child|of-type)
                  if ( simple ) {
                    while ( dir ) {
                      node = elem;
                      while ( (node = node[ dir ]) ) {
                        if ( ofType ?
                          node.nodeName.toLowerCase() === name :
                          node.nodeType === 1 ) {

                          return false;
                        }
                      }
                      // Reverse direction for :only-* (if we haven't yet done so)
                      start = dir = type === "only" && !start && "nextSibling";
                    }
                    return true;
                  }

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

                  // non-xml :nth-child(...) stores cache data on `parent`
                  if ( forward && useCache ) {

                    // Seek `elem` from a previously-cached index

                    // ...in a gzip-friendly way
                    node = parent;
                    outerCache = node[ expando ] || (node[ expando ] = {});

                    // Support: IE <9 only
                    // Defend against cloned attroperties (jQuery gh-1709)
                    uniqueCache = outerCache[ node.uniqueID ] ||
                      (outerCache[ node.uniqueID ] = {});

                    cache = uniqueCache[ type ] || [];
                    nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
                    diff = nodeIndex && cache[ 2 ];
                    node = nodeIndex && parent.childNodes[ nodeIndex ];

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

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

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

                  } else {
                    // Use previously-cached element index if available
                    if ( useCache ) {
                      // ...in a gzip-friendly way
                      node = elem;
                      outerCache = node[ expando ] || (node[ expando ] = {});

                      // Support: IE <9 only
                      // Defend against cloned attroperties (jQuery gh-1709)
                      uniqueCache = outerCache[ node.uniqueID ] ||
                        (outerCache[ node.uniqueID ] = {});

                      cache = uniqueCache[ type ] || [];
                      nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
                      diff = nodeIndex;
                    }

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

                        if ( ( ofType ?
                          node.nodeName.toLowerCase() === name :
                          node.nodeType === 1 ) &&
                          ++diff ) {

                          // Cache the index of each encountered element
                          if ( useCache ) {
                            outerCache = node[ expando ] || (node[ expando ] = {});

                            // Support: IE <9 only
                            // Defend against cloned attroperties (jQuery gh-1709)
                            uniqueCache = outerCache[ node.uniqueID ] ||
                              (outerCache[ node.uniqueID ] = {});

                            uniqueCache[ type ] = [ dirruns, diff ];
                          }

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

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

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

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

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

            return fn;
          }
        },

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

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

                // Match elements unmatched by `matcher`
                while ( i-- ) {
                  if ( (elem = unmatched[i]) ) {
                    seed[i] = !(matches[i] = elem);
                  }
                }
              }) :
              function( elem, context, xml ) {
                input[0] = elem;
                matcher( input, null, xml, results );
                // Don't keep the element (issue #299)
                input[0] = null;
                return !results.pop();
              };
          }),

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

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

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

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

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

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

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

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

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

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

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

            return elem.selected === true;
          },

          // Contents
          "empty": function( elem ) {
            // http://www.w3.org/TR/selectors/#empty-pseudo
            // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
            //   but not by others (comment: 8; processing instruction: 7; etc.)
            // nodeType < 6 works because attributes (2) do not appear as children
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
              if ( elem.nodeType < 6 ) {
                return false;
              }
            }
            return true;
          },

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

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

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

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

          "text": function( elem ) {
            var attr;
            return elem.nodeName.toLowerCase() === "input" &&
              elem.type === "text" &&

                // Support: IE<8
                // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
              ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
          },

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

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

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

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

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

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

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

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

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

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

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

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

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

        while ( soFar ) {

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

          matched = false;

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

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

          if ( !matched ) {
            break;
          }
        }

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

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

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

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

          // Check against all ancestor/preceding elements
          function( elem, context, xml ) {
            var oldCache, uniqueCache, outerCache,
              newCache = [ dirruns, doneName ];

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

                  // Support: IE <9 only
                  // Defend against cloned attroperties (jQuery gh-1709)
                  uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});

                  if ( (oldCache = uniqueCache[ dir ]) &&
                    oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {

                    // Assign to newCache so results back-propagate to previous elements
                    return (newCache[ 2 ] = oldCache[ 2 ]);
                  } else {
                    // Reuse newcache so results back-propagate to previous elements
                    uniqueCache[ dir ] = newCache;

                    // A match means we're done; a fail means we have to keep checking
                    if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
                      return true;
                    }
                  }
                }
              }
            }
          };
      }

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

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

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

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

        return newUnmatched;
      }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        // The foundational matcher ensures that elements are reachable from top-level context(s)
          matchContext = addCombinator( function( elem ) {
            return elem === checkContext;
          }, implicitRelative, true ),
          matchAnyContext = addCombinator( function( elem ) {
            return indexOf( checkContext, elem ) > -1;
          }, implicitRelative, true ),
          matchers = [ function( elem, context, xml ) {
            var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
                (checkContext = context).nodeType ?
                  matchContext( elem, context, xml ) :
                  matchAnyContext( elem, context, xml ) );
            // Avoid hanging onto element (issue #299)
            checkContext = null;
            return ret;
          } ];

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

            // Return special upon seeing a positional matcher
            if ( matcher[ expando ] ) {
              // Find the next relative operator (if any) for proper handling
              j = ++i;
              for ( ; j < len; j++ ) {
                if ( Expr.relative[ tokens[j].type ] ) {
                  break;
                }
              }
              return setMatcher(
                i > 1 && elementMatcher( matchers ),
                i > 1 && toSelector(
                  // If the preceding token was a descendant combinator, insert an implicit any-element `*`
                  tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
                ).replace( rtrim, "$1" ),
                matcher,
                i < j && matcherFromTokens( tokens.slice( i, j ) ),
                j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
                j < len && toSelector( tokens )
              );
            }
            matchers.push( matcher );
          }
        }

        return elementMatcher( matchers );
      }

      function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
        var bySet = setMatchers.length > 0,
          byElement = elementMatchers.length > 0,
          superMatcher = function( seed, context, xml, results, outermost ) {
            var elem, j, matcher,
              matchedCount = 0,
              i = "0",
              unmatched = seed && [],
              setMatched = [],
              contextBackup = outermostContext,
            // We must always have either seed elements or outermost context
              elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
            // Use integer dirruns iff this is the outermost matcher
              dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
              len = elems.length;

            if ( outermost ) {
              outermostContext = context === document || context || outermost;
            }

            // Add elements passing elementMatchers directly to results
            // Support: IE<9, Safari
            // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
            for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
              if ( byElement && elem ) {
                j = 0;
                if ( !context && elem.ownerDocument !== document ) {
                  setDocument( elem );
                  xml = !documentIsHTML;
                }
                while ( (matcher = elementMatchers[j++]) ) {
                  if ( matcher( elem, context || document, xml) ) {
                    results.push( elem );
                    break;
                  }
                }
                if ( outermost ) {
                  dirruns = dirrunsUnique;
                }
              }

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

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

            // `i` is now the count of elements visited above, and adding it to `matchedCount`
            // makes the latter nonnegative.
            matchedCount += i;

            // Apply set filters to unmatched elements
            // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
            // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
            // no element matchers and no seed.
            // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
            // case, which will result in a "00" `matchedCount` that differs from `i` but is also
            // numerically zero.
            if ( bySet && i !== matchedCount ) {
              j = 0;
              while ( (matcher = setMatchers[j++]) ) {
                matcher( unmatched, setMatched, context, xml );
              }

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

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

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

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

                Sizzle.uniqueSort( results );
              }
            }

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

            return unmatched;
          };

        return bySet ?
          markFunction( superMatcher ) :
          superMatcher;
      }

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

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

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

          // Save selector and tokenization
          cached.selector = selector;
        }
        return cached;
      };

      /**
       * A low-level selection function that works with Sizzle's compiled
       *  selector functions
       * @param {String|Function} selector A selector or a pre-compiled
       *  selector function built with Sizzle.compile
       * @param {Element} context
       * @param {Array} [results]
       * @param {Array} [seed] A set of elements to match against
       */
      select = Sizzle.select = function( selector, context, results, seed ) {
        var i, tokens, token, type, find,
          compiled = typeof selector === "function" && selector,
          match = !seed && tokenize( (selector = compiled.selector || selector) );

        results = results || [];

        // Try to minimize operations if there is only one selector in the list and no seed
        // (the latter of which guarantees us context)
        if ( match.length === 1 ) {

          // Reduce context if the leading compound selector is an ID
          tokens = match[0] = match[0].slice( 0 );
          if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
            support.getById && context.nodeType === 9 && documentIsHTML &&
            Expr.relative[ tokens[1].type ] ) {

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

              // Precompiled matchers will still verify ancestry, so step up a level
            } else if ( compiled ) {
              context = context.parentNode;
            }

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

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

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

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

                break;
              }
            }
          }
        }

        // Compile and execute a filtering function if one is not provided
        // Provide `match` to avoid retokenization if we modified the selector above
        ( compiled || compile( selector, match ) )(
          seed,
          context,
          !documentIsHTML,
          results,
          !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
        );
        return results;
      };

// One-time assignments

// Sort stability
      support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;

// Support: Chrome 14-35+
// Always assume duplicates if they aren't passed to the comparison function
      support.detectDuplicates = !!hasDuplicate;

// Initialize against the default document
      setDocument();

// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
// Detached nodes confoundingly follow *each other*
      support.sortDetached = assert(function( div1 ) {
        // Should return 1, but returns 4 (following)
        return div1.compareDocumentPosition( document.createElement("div") ) & 1;
      });

// Support: IE<8
// Prevent attribute/property "interpolation"
// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
      if ( !assert(function( div ) {
          div.innerHTML = "<a href='#'></a>";
          return div.firstChild.getAttribute("href") === "#" ;
        }) ) {
        addHandle( "type|href|height|width", function( elem, name, isXML ) {
          if ( !isXML ) {
            return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
          }
        });
      }

// Support: IE<9
// Use defaultValue in place of getAttribute("value")
      if ( !support.attributes || !assert(function( div ) {
          div.innerHTML = "<input/>";
          div.firstChild.setAttribute( "value", "" );
          return div.firstChild.getAttribute( "value" ) === "";
        }) ) {
        addHandle( "value", function( elem, name, isXML ) {
          if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
            return elem.defaultValue;
          }
        });
      }

// Support: IE<9
// Use getAttributeNode to fetch booleans when getAttribute lies
      if ( !assert(function( div ) {
          return div.getAttribute("disabled") == null;
        }) ) {
        addHandle( booleans, function( elem, name, isXML ) {
          var val;
          if ( !isXML ) {
            return elem[ name ] === true ? name.toLowerCase() :
              (val = elem.getAttributeNode( name )) && val.specified ?
                val.value :
                null;
          }
        });
      }

      return Sizzle;

    })( window );



  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;
  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;



  var dir = function( elem, dir, until ) {
    var matched = [],
      truncate = until !== undefined;

    while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
      if ( elem.nodeType === 1 ) {
        if ( truncate && jQuery( elem ).is( until ) ) {
          break;
        }
        matched.push( elem );
      }
    }
    return matched;
  };


  var siblings = function( n, elem ) {
    var matched = [];

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

    return matched;
  };


  var rneedsContext = jQuery.expr.match.needsContext;

  var rsingleTag = ( /^<([\w-]+)\s*\/?>(?:<\/\1>|)$/ );



  var risSimple = /^.[^:#\[\.,]*$/;

// Implement the identical functionality for filter and not
  function winnow( elements, qualifier, not ) {
    if ( jQuery.isFunction( qualifier ) ) {
      return jQuery.grep( elements, function( elem, i ) {
        /* jshint -W018 */
        return !!qualifier.call( elem, i, elem ) !== not;
      } );

    }

    if ( qualifier.nodeType ) {
      return jQuery.grep( elements, function( elem ) {
        return ( elem === qualifier ) !== not;
      } );

    }

    if ( typeof qualifier === "string" ) {
      if ( risSimple.test( qualifier ) ) {
        return jQuery.filter( qualifier, elements, not );
      }

      qualifier = jQuery.filter( qualifier, elements );
    }

    return jQuery.grep( elements, function( elem ) {
      return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
    } );
  }

  jQuery.filter = function( expr, elems, not ) {
    var elem = elems[ 0 ];

    if ( not ) {
      expr = ":not(" + expr + ")";
    }

    return elems.length === 1 && elem.nodeType === 1 ?
      jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
      jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
        return elem.nodeType === 1;
      } ) );
  };

  jQuery.fn.extend( {
    find: function( selector ) {
      var i,
        len = this.length,
        ret = [],
        self = this;

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

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

      // Needed because $( selector, context ) becomes $( context ).find( selector )
      ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
      ret.selector = this.selector ? this.selector + " " + selector : selector;
      return ret;
    },
    filter: function( selector ) {
      return this.pushStack( winnow( this, selector || [], false ) );
    },
    not: function( selector ) {
      return this.pushStack( winnow( this, selector || [], true ) );
    },
    is: function( selector ) {
      return !!winnow(
        this,

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


// Initialize a jQuery object


// A central reference to the root jQuery(document)
  var rootjQuery,

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

    init = jQuery.fn.init = function( selector, context, root ) {
      var match, elem;

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

      // Method init() accepts an alternate rootjQuery
      // so migrate can support jQuery.sub (gh-2101)
      root = root || rootjQuery;

      // Handle HTML strings
      if ( typeof selector === "string" ) {
        if ( selector[ 0 ] === "<" &&
          selector[ selector.length - 1 ] === ">" &&
          selector.length >= 3 ) {

          // Assume that strings that start and end with <> are HTML and skip the regex check
          match = [ null, selector, null ];

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

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

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

            // Option to run scripts is true for back-compat
            // Intentionally let the error be thrown if parseHTML is not present
            jQuery.merge( this, jQuery.parseHTML(
              match[ 1 ],
              context && context.nodeType ? context.ownerDocument || context : document,
              true
            ) );

            // HANDLE: $(html, props)
            if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
              for ( match in context ) {

                // Properties of context are called as methods if possible
                if ( jQuery.isFunction( this[ match ] ) ) {
                  this[ match ]( context[ match ] );

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

            return this;

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

            // Support: Blackberry 4.6
            // gEBID returns nodes no longer in the document (#6963)
            if ( elem && elem.parentNode ) {

              // Inject the element directly into the jQuery object
              this.length = 1;
              this[ 0 ] = elem;
            }

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

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

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

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

        // HANDLE: $(function)
        // Shortcut for document ready
      } else if ( jQuery.isFunction( selector ) ) {
        return root.ready !== undefined ?
          root.ready( selector ) :

          // Execute immediately if ready is not present
          selector( jQuery );
      }

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

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

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

// Initialize central reference
  rootjQuery = jQuery( document );


  var rparentsprev = /^(?:parents|prev(?:Until|All))/,

  // Methods guaranteed to produce a unique set when starting from a unique set
    guaranteedUnique = {
      children: true,
      contents: true,
      next: true,
      prev: true
    };

  jQuery.fn.extend( {
    has: function( target ) {
      var targets = jQuery( target, this ),
        l = targets.length;

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

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

      for ( ; i < l; i++ ) {
        for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {

          // Always skip document fragments
          if ( cur.nodeType < 11 && ( pos ?
            pos.index( cur ) > -1 :

              // Don't pass non-elements to Sizzle
            cur.nodeType === 1 &&
            jQuery.find.matchesSelector( cur, selectors ) ) ) {

            matched.push( cur );
            break;
          }
        }
      }

      return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
    },

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

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

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

      // Locate the position of the desired element
      return indexOf.call( this,

        // If it receives a jQuery object, the first element is used
        elem.jquery ? elem[ 0 ] : elem
      );
    },

    add: function( selector, context ) {
      return this.pushStack(
        jQuery.uniqueSort(
          jQuery.merge( this.get(), jQuery( selector, context ) )
        )
      );
    },

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

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

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

      if ( name.slice( -5 ) !== "Until" ) {
        selector = until;
      }

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

      if ( this.length > 1 ) {

        // Remove duplicates
        if ( !guaranteedUnique[ name ] ) {
          jQuery.uniqueSort( matched );
        }

        // Reverse order for parents* and prev-derivatives
        if ( rparentsprev.test( name ) ) {
          matched.reverse();
        }
      }

      return this.pushStack( matched );
    };
  } );
  var rnotwhite = ( /\S+/g );



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

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

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

    var // Flag to know if list is currently firing
      firing,

    // Last fire value for non-forgettable lists
      memory,

    // Flag to know if list was already fired
      fired,

    // Flag to prevent firing
      locked,

    // Actual callback list
      list = [],

    // Queue of execution data for repeatable lists
      queue = [],

    // Index of currently firing callback (modified by add/remove as needed)
      firingIndex = -1,

    // Fire callbacks
      fire = function() {

        // Enforce single-firing
        locked = options.once;

        // Execute callbacks for all pending executions,
        // respecting firingIndex overrides and runtime changes
        fired = firing = true;
        for ( ; queue.length; firingIndex = -1 ) {
          memory = queue.shift();
          while ( ++firingIndex < list.length ) {

            // Run callback and check for early termination
            if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
              options.stopOnFalse ) {

              // Jump to end and forget the data so .add doesn't re-fire
              firingIndex = list.length;
              memory = false;
            }
          }
        }

        // Forget the data if we're done with it
        if ( !options.memory ) {
          memory = false;
        }

        firing = false;

        // Clean up if we're done firing for good
        if ( locked ) {

          // Keep an empty list if we have data for future add calls
          if ( memory ) {
            list = [];

            // Otherwise, this object is spent
          } else {
            list = "";
          }
        }
      },

    // Actual Callbacks object
      self = {

        // Add a callback or a collection of callbacks to the list
        add: function() {
          if ( list ) {

            // If we have memory from a past run, we should fire after adding
            if ( memory && !firing ) {
              firingIndex = list.length - 1;
              queue.push( memory );
            }

            ( function add( args ) {
              jQuery.each( args, function( _, arg ) {
                if ( jQuery.isFunction( arg ) ) {
                  if ( !options.unique || !self.has( arg ) ) {
                    list.push( arg );
                  }
                } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {

                  // Inspect recursively
                  add( arg );
                }
              } );
            } )( arguments );

            if ( memory && !firing ) {
              fire();
            }
          }
          return this;
        },

        // Remove a callback from the list
        remove: function() {
          jQuery.each( arguments, function( _, arg ) {
            var index;
            while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
              list.splice( index, 1 );

              // Handle firing indexes
              if ( index <= firingIndex ) {
                firingIndex--;
              }
            }
          } );
          return this;
        },

        // Check if a given callback is in the list.
        // If no argument is given, return whether or not list has callbacks attached.
        has: function( fn ) {
          return fn ?
          jQuery.inArray( fn, list ) > -1 :
          list.length > 0;
        },

        // Remove all callbacks from the list
        empty: function() {
          if ( list ) {
            list = [];
          }
          return this;
        },

        // Disable .fire and .add
        // Abort any current/pending executions
        // Clear all callbacks and values
        disable: function() {
          locked = queue = [];
          list = memory = "";
          return this;
        },
        disabled: function() {
          return !list;
        },

        // Disable .fire
        // Also disable .add unless we have memory (since it would have no effect)
        // Abort any pending executions
        lock: function() {
          locked = queue = [];
          if ( !memory ) {
            list = memory = "";
          }
          return this;
        },
        locked: function() {
          return !!locked;
        },

        // Call all callbacks with the given context and arguments
        fireWith: function( context, args ) {
          if ( !locked ) {
            args = args || [];
            args = [ context, args.slice ? args.slice() : args ];
            queue.push( args );
            if ( !firing ) {
              fire();
            }
          }
          return this;
        },

        // Call all the callbacks with the given arguments
        fire: function() {
          self.fireWith( this, arguments );
          return this;
        },

        // To know if the callbacks have already been called at least once
        fired: function() {
          return !!fired;
        }
      };

    return self;
  };


  jQuery.extend( {

    Deferred: function( func ) {
      var tuples = [

          // action, add listener, listener list, final state
          [ "resolve", "done", jQuery.Callbacks( "once memory" ), "resolved" ],
          [ "reject", "fail", jQuery.Callbacks( "once memory" ), "rejected" ],
          [ "notify", "progress", jQuery.Callbacks( "memory" ) ]
        ],
        state = "pending",
        promise = {
          state: function() {
            return state;
          },
          always: function() {
            deferred.done( arguments ).fail( arguments );
            return this;
          },
          then: function( /* fnDone, fnFail, fnProgress */ ) {
            var fns = arguments;
            return jQuery.Deferred( function( newDefer ) {
              jQuery.each( tuples, function( i, tuple ) {
                var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];

                // deferred[ done | fail | progress ] for forwarding actions to newDefer
                deferred[ tuple[ 1 ] ]( function() {
                  var returned = fn && fn.apply( this, arguments );
                  if ( returned && jQuery.isFunction( returned.promise ) ) {
                    returned.promise()
                      .progress( newDefer.notify )
                      .done( newDefer.resolve )
                      .fail( newDefer.reject );
                  } else {
                    newDefer[ tuple[ 0 ] + "With" ](
                      this === promise ? newDefer.promise() : this,
                      fn ? [ returned ] : arguments
                    );
                  }
                } );
              } );
              fns = null;
            } ).promise();
          },

          // Get a promise for this deferred
          // If obj is provided, the promise aspect is added to the object
          promise: function( obj ) {
            return obj != null ? jQuery.extend( obj, promise ) : promise;
          }
        },
        deferred = {};

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

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

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

        // Handle state
        if ( stateString ) {
          list.add( function() {

            // state = [ resolved | rejected ]
            state = stateString;

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

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

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

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

      // All done!
      return deferred;
    },

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

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

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

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

        progressValues, progressContexts, resolveContexts;

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

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

      return deferred.promise();
    }
  } );


// The deferred used on DOM ready
  var readyList;

  jQuery.fn.ready = function( fn ) {

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

    return this;
  };

  jQuery.extend( {

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

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

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

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

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

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

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

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

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

  /**
   * The ready event handler and self cleanup method
   */
  function completed() {
    document.removeEventListener( "DOMContentLoaded", completed );
    window.removeEventListener( "load", completed );
    jQuery.ready();
  }

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

      readyList = jQuery.Deferred();

      // Catch cases where $(document).ready() is called
      // after the browser event has already occurred.
      // Support: IE9-10 only
      // Older IE sometimes signals "interactive" too soon
      if ( document.readyState === "complete" ||
        ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {

        // Handle it asynchronously to allow scripts the opportunity to delay ready
        window.setTimeout( jQuery.ready );

      } else {

        // Use the handy event callback
        document.addEventListener( "DOMContentLoaded", completed );

        // A fallback to window.onload, that will always work
        window.addEventListener( "load", completed );
      }
    }
    return readyList.promise( obj );
  };

// Kick off the DOM ready check even if the user does not
  jQuery.ready.promise();




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

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

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

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

      if ( bulk ) {

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

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

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

    return chainable ?
      elems :

      // Gets
      bulk ?
        fn.call( elems ) :
        len ? fn( elems[ 0 ], key ) : emptyGet;
  };
  var acceptData = function( owner ) {

    // Accepts only:
    //  - Node
    //    - Node.ELEMENT_NODE
    //    - Node.DOCUMENT_NODE
    //  - Object
    //    - Any
    /* jshint -W018 */
    return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
  };




  function Data() {
    this.expando = jQuery.expando + Data.uid++;
  }

  Data.uid = 1;

  Data.prototype = {

    register: function( owner, initial ) {
      var value = initial || {};

      // If it is a node unlikely to be stringify-ed or looped over
      // use plain assignment
      if ( owner.nodeType ) {
        owner[ this.expando ] = value;

        // Otherwise secure it in a non-enumerable, non-writable property
        // configurability must be true to allow the property to be
        // deleted with the delete operator
      } else {
        Object.defineProperty( owner, this.expando, {
          value: value,
          writable: true,
          configurable: true
        } );
      }
      return owner[ this.expando ];
    },
    cache: function( owner ) {

      // We can accept data for non-element nodes in modern browsers,
      // but we should not, see #8335.
      // Always return an empty object.
      if ( !acceptData( owner ) ) {
        return {};
      }

      // Check if the owner object already has a cache
      var value = owner[ this.expando ];

      // If not, create one
      if ( !value ) {
        value = {};

        // We can accept data for non-element nodes in modern browsers,
        // but we should not, see #8335.
        // Always return an empty object.
        if ( acceptData( owner ) ) {

          // If it is a node unlikely to be stringify-ed or looped over
          // use plain assignment
          if ( owner.nodeType ) {
            owner[ this.expando ] = value;

            // Otherwise secure it in a non-enumerable property
            // configurable must be true to allow the property to be
            // deleted when data is removed
          } else {
            Object.defineProperty( owner, this.expando, {
              value: value,
              configurable: true
            } );
          }
        }
      }

      return value;
    },
    set: function( owner, data, value ) {
      var prop,
        cache = this.cache( owner );

      // Handle: [ owner, key, value ] args
      if ( typeof data === "string" ) {
        cache[ data ] = value;

        // Handle: [ owner, { properties } ] args
      } else {

        // Copy the properties one-by-one to the cache object
        for ( prop in data ) {
          cache[ prop ] = data[ prop ];
        }
      }
      return cache;
    },
    get: function( owner, key ) {
      return key === undefined ?
        this.cache( owner ) :
      owner[ this.expando ] && owner[ this.expando ][ key ];
    },
    access: function( owner, key, value ) {
      var stored;

      // In cases where either:
      //
      //   1. No key was specified
      //   2. A string key was specified, but no value provided
      //
      // Take the "read" path and allow the get method to determine
      // which value to return, respectively either:
      //
      //   1. The entire cache object
      //   2. The data stored at the key
      //
      if ( key === undefined ||
        ( ( key && typeof key === "string" ) && value === undefined ) ) {

        stored = this.get( owner, key );

        return stored !== undefined ?
          stored : this.get( owner, jQuery.camelCase( key ) );
      }

      // When the key is not a string, or both a key and value
      // are specified, set or extend (existing objects) with either:
      //
      //   1. An object of properties
      //   2. A key and value
      //
      this.set( owner, key, value );

      // Since the "set" path can have two possible entry points
      // return the expected data based on which path was taken[*]
      return value !== undefined ? value : key;
    },
    remove: function( owner, key ) {
      var i, name, camel,
        cache = owner[ this.expando ];

      if ( cache === undefined ) {
        return;
      }

      if ( key === undefined ) {
        this.register( owner );

      } else {

        // Support array or space separated string of keys
        if ( jQuery.isArray( key ) ) {

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

          // Try the string as a key before any manipulation
          if ( key in cache ) {
            name = [ key, camel ];
          } else {

            // If a key with the spaces exists, use it.
            // Otherwise, create an array by matching non-whitespace
            name = camel;
            name = name in cache ?
              [ name ] : ( name.match( rnotwhite ) || [] );
          }
        }

        i = name.length;

        while ( i-- ) {
          delete cache[ name[ i ] ];
        }
      }

      // Remove the expando if there's no more data
      if ( key === undefined || jQuery.isEmptyObject( cache ) ) {

        // Support: Chrome <= 35-45+
        // Webkit & Blink performance suffers when deleting properties
        // from DOM nodes, so set to undefined instead
        // https://code.google.com/p/chromium/issues/detail?id=378607
        if ( owner.nodeType ) {
          owner[ this.expando ] = undefined;
        } else {
          delete owner[ this.expando ];
        }
      }
    },
    hasData: function( owner ) {
      var cache = owner[ this.expando ];
      return cache !== undefined && !jQuery.isEmptyObject( cache );
    }
  };
  var dataPriv = new Data();

  var dataUser = new Data();



//	Implementation Summary
//
//	1. Enforce API surface and semantic compatibility with 1.9.x branch
//	2. Improve the module's maintainability by reducing the storage
//		paths to a single mechanism.
//	3. Use the same single mechanism to support "private" and "user" data.
//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
//	5. Avoid exposing implementation details on user objects (eg. expando properties)
//	6. Provide a clear path for implementation upgrade to WeakMap in 2014

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

  function dataAttr( elem, key, data ) {
    var name;

    // If nothing was found internally, try to fetch any
    // data from the HTML5 data-* attribute
    if ( data === undefined && elem.nodeType === 1 ) {
      name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
      data = elem.getAttribute( name );

      if ( typeof data === "string" ) {
        try {
          data = data === "true" ? true :
            data === "false" ? false :
              data === "null" ? null :

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

        // Make sure we set the data so it isn't changed later
        dataUser.set( elem, key, data );
      } else {
        data = undefined;
      }
    }
    return data;
  }

  jQuery.extend( {
    hasData: function( elem ) {
      return dataUser.hasData( elem ) || dataPriv.hasData( elem );
    },

    data: function( elem, name, data ) {
      return dataUser.access( elem, name, data );
    },

    removeData: function( elem, name ) {
      dataUser.remove( elem, name );
    },

    // TODO: Now that all calls to _data and _removeData have been replaced
    // with direct calls to dataPriv methods, these can be deprecated.
    _data: function( elem, name, data ) {
      return dataPriv.access( elem, name, data );
    },

    _removeData: function( elem, name ) {
      dataPriv.remove( elem, name );
    }
  } );

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

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

          if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
            i = attrs.length;
            while ( i-- ) {

              // Support: IE11+
              // The attrs elements can be null (#14894)
              if ( attrs[ i ] ) {
                name = attrs[ i ].name;
                if ( name.indexOf( "data-" ) === 0 ) {
                  name = jQuery.camelCase( name.slice( 5 ) );
                  dataAttr( elem, name, data[ name ] );
                }
              }
            }
            dataPriv.set( elem, "hasDataAttrs", true );
          }
        }

        return data;
      }

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

      return access( this, function( value ) {
        var data, camelKey;

        // The calling jQuery object (element matches) is not empty
        // (and therefore has an element appears at this[ 0 ]) and the
        // `value` parameter was not undefined. An empty jQuery object
        // will result in `undefined` for elem = this[ 0 ] which will
        // throw an exception if an attempt to read a data cache is made.
        if ( elem && value === undefined ) {

          // Attempt to get data from the cache
          // with the key as-is
          data = dataUser.get( elem, key ) ||

              // Try to find dashed key if it exists (gh-2779)
              // This is for 2.2.x only
            dataUser.get( elem, key.replace( rmultiDash, "-$&" ).toLowerCase() );

          if ( data !== undefined ) {
            return data;
          }

          camelKey = jQuery.camelCase( key );

          // Attempt to get data from the cache
          // with the key camelized
          data = dataUser.get( elem, camelKey );
          if ( data !== undefined ) {
            return data;
          }

          // Attempt to "discover" the data in
          // HTML5 custom data-* attrs
          data = dataAttr( elem, camelKey, undefined );
          if ( data !== undefined ) {
            return data;
          }

          // We tried really hard, but the data doesn't exist.
          return;
        }

        // Set the data...
        camelKey = jQuery.camelCase( key );
        this.each( function() {

          // First, attempt to store a copy or reference of any
          // data that might've been store with a camelCased key.
          var data = dataUser.get( this, camelKey );

          // For HTML5 data-* attribute interop, we have to
          // store property names with dashes in a camelCase form.
          // This might not apply to all properties...*
          dataUser.set( this, camelKey, value );

          // *... In the case of properties that might _actually_
          // have dashes, we need to also store a copy of that
          // unchanged property.
          if ( key.indexOf( "-" ) > -1 && data !== undefined ) {
            dataUser.set( this, key, value );
          }
        } );
      }, null, value, arguments.length > 1, null, true );
    },

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


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

      if ( elem ) {
        type = ( type || "fx" ) + "queue";
        queue = dataPriv.get( elem, type );

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

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

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

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

      if ( fn ) {

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

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

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

    // Not public - generate a queueHooks object, or return the current one
    _queueHooks: function( elem, type ) {
      var key = type + "queueHooks";
      return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
          empty: jQuery.Callbacks( "once memory" ).add( function() {
            dataPriv.remove( elem, [ type + "queue", key ] );
          } )
        } );
    }
  } );

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

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

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

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

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

          if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
            jQuery.dequeue( this, type );
          }
        } );
    },
    dequeue: function( type ) {
      return this.each( function() {
        jQuery.dequeue( this, type );
      } );
    },
    clearQueue: function( type ) {
      return this.queue( type || "fx", [] );
    },

    // Get a promise resolved when queues of a certain type
    // are emptied (fx is the type by default)
    promise: function( type, obj ) {
      var tmp,
        count = 1,
        defer = jQuery.Deferred(),
        elements = this,
        i = this.length,
        resolve = function() {
          if ( !( --count ) ) {
            defer.resolveWith( elements, [ elements ] );
          }
        };

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

      while ( i-- ) {
        tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
        if ( tmp && tmp.empty ) {
          count++;
          tmp.empty.add( resolve );
        }
      }
      resolve();
      return defer.promise( obj );
    }
  } );
  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;

  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );


  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];

  var isHidden = function( elem, el ) {

    // isHidden might be called from jQuery#filter function;
    // in that case, element will be second argument
    elem = el || elem;
    return jQuery.css( elem, "display" ) === "none" ||
      !jQuery.contains( elem.ownerDocument, elem );
  };



  function adjustCSS( elem, prop, valueParts, tween ) {
    var adjusted,
      scale = 1,
      maxIterations = 20,
      currentValue = tween ?
        function() { return tween.cur(); } :
        function() { return jQuery.css( elem, prop, "" ); },
      initial = currentValue(),
      unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),

    // Starting value computation is required for potential unit mismatches
      initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
        rcssNum.exec( jQuery.css( elem, prop ) );

    if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {

      // Trust units reported by jQuery.css
      unit = unit || initialInUnit[ 3 ];

      // Make sure we update the tween properties later on
      valueParts = valueParts || [];

      // Iteratively approximate from a nonzero starting point
      initialInUnit = +initial || 1;

      do {

        // If previous iteration zeroed out, double until we get *something*.
        // Use string for doubling so we don't accidentally see scale as unchanged below
        scale = scale || ".5";

        // Adjust and apply
        initialInUnit = initialInUnit / scale;
        jQuery.style( elem, prop, initialInUnit + unit );

        // Update scale, tolerating zero or NaN from tween.cur()
        // Break the loop if scale is unchanged or perfect, or if we've just had enough.
      } while (
      scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
        );
    }

    if ( valueParts ) {
      initialInUnit = +initialInUnit || +initial || 0;

      // Apply relative offset (+=/-=) if specified
      adjusted = valueParts[ 1 ] ?
      initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
        +valueParts[ 2 ];
      if ( tween ) {
        tween.unit = unit;
        tween.start = initialInUnit;
        tween.end = adjusted;
      }
    }
    return adjusted;
  }
  var rcheckableType = ( /^(?:checkbox|radio)$/i );

  var rtagName = ( /<([\w:-]+)/ );

  var rscriptType = ( /^$|\/(?:java|ecma)script/i );



// We have to close these tags to support XHTML (#13200)
  var wrapMap = {

    // Support: IE9
    option: [ 1, "<select multiple='multiple'>", "</select>" ],

    // XHTML parsers do not magically insert elements in the
    // same way that tag soup parsers do. So we cannot shorten
    // this by omitting <tbody> or other required elements.
    thead: [ 1, "<table>", "</table>" ],
    col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
    tr: [ 2, "<table><tbody>", "</tbody></table>" ],
    td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],

    _default: [ 0, "", "" ]
  };

// Support: IE9
  wrapMap.optgroup = wrapMap.option;

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


  function getAll( context, tag ) {

    // Support: IE9-11+
    // Use typeof to avoid zero-argument method invocation on host objects (#15151)
    var ret = typeof context.getElementsByTagName !== "undefined" ?
      context.getElementsByTagName( tag || "*" ) :
      typeof context.querySelectorAll !== "undefined" ?
        context.querySelectorAll( tag || "*" ) :
        [];

    return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
      jQuery.merge( [ context ], ret ) :
      ret;
  }


// Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
    var i = 0,
      l = elems.length;

    for ( ; i < l; i++ ) {
      dataPriv.set(
        elems[ i ],
        "globalEval",
        !refElements || dataPriv.get( refElements[ i ], "globalEval" )
      );
    }
  }


  var rhtml = /<|&#?\w+;/;

  function buildFragment( elems, context, scripts, selection, ignored ) {
    var elem, tmp, tag, wrap, contains, j,
      fragment = context.createDocumentFragment(),
      nodes = [],
      i = 0,
      l = elems.length;

    for ( ; i < l; i++ ) {
      elem = elems[ i ];

      if ( elem || elem === 0 ) {

        // Add nodes directly
        if ( jQuery.type( elem ) === "object" ) {

          // Support: Android<4.1, PhantomJS<2
          // push.apply(_, arraylike) throws on ancient WebKit
          jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );

          // Convert non-html into a text node
        } else if ( !rhtml.test( elem ) ) {
          nodes.push( context.createTextNode( elem ) );

          // Convert html into DOM nodes
        } else {
          tmp = tmp || fragment.appendChild( context.createElement( "div" ) );

          // Deserialize a standard representation
          tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
          wrap = wrapMap[ tag ] || wrapMap._default;
          tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];

          // Descend through wrappers to the right content
          j = wrap[ 0 ];
          while ( j-- ) {
            tmp = tmp.lastChild;
          }

          // Support: Android<4.1, PhantomJS<2
          // push.apply(_, arraylike) throws on ancient WebKit
          jQuery.merge( nodes, tmp.childNodes );

          // Remember the top-level container
          tmp = fragment.firstChild;

          // Ensure the created nodes are orphaned (#12392)
          tmp.textContent = "";
        }
      }
    }

    // Remove wrapper from fragment
    fragment.textContent = "";

    i = 0;
    while ( ( elem = nodes[ i++ ] ) ) {

      // Skip elements already in the context collection (trac-4087)
      if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
        if ( ignored ) {
          ignored.push( elem );
        }
        continue;
      }

      contains = jQuery.contains( elem.ownerDocument, elem );

      // Append to fragment
      tmp = getAll( fragment.appendChild( elem ), "script" );

      // Preserve script evaluation history
      if ( contains ) {
        setGlobalEval( tmp );
      }

      // Capture executables
      if ( scripts ) {
        j = 0;
        while ( ( elem = tmp[ j++ ] ) ) {
          if ( rscriptType.test( elem.type || "" ) ) {
            scripts.push( elem );
          }
        }
      }
    }

    return fragment;
  }


  ( function() {
    var fragment = document.createDocumentFragment(),
      div = fragment.appendChild( document.createElement( "div" ) ),
      input = document.createElement( "input" );

    // Support: Android 4.0-4.3, Safari<=5.1
    // Check state lost if the name is set (#11217)
    // Support: Windows Web Apps (WWA)
    // `name` and `type` must use .setAttribute for WWA (#14901)
    input.setAttribute( "type", "radio" );
    input.setAttribute( "checked", "checked" );
    input.setAttribute( "name", "t" );

    div.appendChild( input );

    // Support: Safari<=5.1, Android<4.2
    // Older WebKit doesn't clone checked state correctly in fragments
    support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;

    // Support: IE<=11+
    // Make sure textarea (and checkbox) defaultValue is properly cloned
    div.innerHTML = "<textarea>x</textarea>";
    support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
  } )();


  var
    rkeyEvent = /^key/,
    rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
    rtypenamespace = /^([^.]*)(?:\.(.+)|)/;

  function returnTrue() {
    return true;
  }

  function returnFalse() {
    return false;
  }

// Support: IE9
// See #13393 for more info
  function safeActiveElement() {
    try {
      return document.activeElement;
    } catch ( err ) { }
  }

  function on( elem, types, selector, data, fn, one ) {
    var origFn, type;

    // Types can be a map of types/handlers
    if ( typeof types === "object" ) {

      // ( types-Object, selector, data )
      if ( typeof selector !== "string" ) {

        // ( types-Object, data )
        data = data || selector;
        selector = undefined;
      }
      for ( type in types ) {
        on( elem, type, selector, data, types[ type ], one );
      }
      return elem;
    }

    if ( data == null && fn == null ) {

      // ( types, fn )
      fn = selector;
      data = selector = undefined;
    } else if ( fn == null ) {
      if ( typeof selector === "string" ) {

        // ( types, selector, fn )
        fn = data;
        data = undefined;
      } else {

        // ( types, data, fn )
        fn = data;
        data = selector;
        selector = undefined;
      }
    }
    if ( fn === false ) {
      fn = returnFalse;
    } else if ( !fn ) {
      return elem;
    }

    if ( one === 1 ) {
      origFn = fn;
      fn = function( event ) {

        // Can use an empty set, since event contains the info
        jQuery().off( event );
        return origFn.apply( this, arguments );
      };

      // Use same guid so caller can remove using origFn
      fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
    }
    return elem.each( function() {
      jQuery.event.add( this, types, fn, data, selector );
    } );
  }

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

    global: {},

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

      var handleObjIn, eventHandle, tmp,
        events, t, handleObj,
        special, handlers, type, namespaces, origType,
        elemData = dataPriv.get( elem );

      // Don't attach events to noData or text/comment nodes (but allow plain objects)
      if ( !elemData ) {
        return;
      }

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

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

      // Init the element's event structure and main handler, if this is the first
      if ( !( events = elemData.events ) ) {
        events = elemData.events = {};
      }
      if ( !( eventHandle = elemData.handle ) ) {
        eventHandle = elemData.handle = function( e ) {

          // Discard the second event of a jQuery.event.trigger() and
          // when an event is called after a page has unloaded
          return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
            jQuery.event.dispatch.apply( elem, arguments ) : undefined;
        };
      }

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

        // There *must* be a type, no attaching namespace-only handlers
        if ( !type ) {
          continue;
        }

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

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

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

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

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

          // Only use addEventListener if the special events handler returns false
          if ( !special.setup ||
            special.setup.call( elem, data, namespaces, eventHandle ) === false ) {

            if ( elem.addEventListener ) {
              elem.addEventListener( type, eventHandle );
            }
          }
        }

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

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

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

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

    },

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

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

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

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

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

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

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

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

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

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

            jQuery.removeEvent( elem, type, elemData.handle );
          }

          delete events[ type ];
        }
      }

      // Remove data and the expando if it's no longer used
      if ( jQuery.isEmptyObject( events ) ) {
        dataPriv.remove( elem, "handle events" );
      }
    },

    dispatch: function( event ) {

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

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

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

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

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

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

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

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

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

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

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

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

      return event.result;
    },

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

      // Support (at least): Chrome, IE9
      // Find delegate handlers
      // Black-hole SVG <use> instance trees (#13180)
      //
      // Support: Firefox<=42+
      // Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
      if ( delegateCount && cur.nodeType &&
        ( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {

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

          // Don't check non-elements (#13208)
          // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
          if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) {
            matches = [];
            for ( i = 0; i < delegateCount; i++ ) {
              handleObj = handlers[ i ];

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

              if ( matches[ sel ] === undefined ) {
                matches[ sel ] = handleObj.needsContext ?
                jQuery( sel, this ).index( cur ) > -1 :
                  jQuery.find( sel, this, null, [ cur ] ).length;
              }
              if ( matches[ sel ] ) {
                matches.push( handleObj );
              }
            }
            if ( matches.length ) {
              handlerQueue.push( { elem: cur, handlers: matches } );
            }
          }
        }
      }

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

      return handlerQueue;
    },

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

    fixHooks: {},

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

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

        return event;
      }
    },

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

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

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

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

        return event;
      }
    },

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

      // Create a writable copy of the event object and normalize some properties
      var i, prop, copy,
        type = event.type,
        originalEvent = event,
        fixHook = this.fixHooks[ type ];

      if ( !fixHook ) {
        this.fixHooks[ type ] = fixHook =
          rmouseEvent.test( type ) ? this.mouseHooks :
            rkeyEvent.test( type ) ? this.keyHooks :
            {};
      }
      copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;

      event = new jQuery.Event( originalEvent );

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

      // Support: Cordova 2.5 (WebKit) (#13255)
      // All events should have a target; Cordova deviceready doesn't
      if ( !event.target ) {
        event.target = document;
      }

      // Support: Safari 6.0+, Chrome<28
      // Target should not be a text node (#504, #13143)
      if ( event.target.nodeType === 3 ) {
        event.target = event.target.parentNode;
      }

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

    special: {
      load: {

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

        // Fire native event if possible so blur/focus sequence is correct
        trigger: function() {
          if ( this !== safeActiveElement() && this.focus ) {
            this.focus();
            return false;
          }
        },
        delegateType: "focusin"
      },
      blur: {
        trigger: function() {
          if ( this === safeActiveElement() && this.blur ) {
            this.blur();
            return false;
          }
        },
        delegateType: "focusout"
      },
      click: {

        // For checkbox, fire native event so checked state will be right
        trigger: function() {
          if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
            this.click();
            return false;
          }
        },

        // For cross-browser consistency, don't fire native .click() on links
        _default: function( event ) {
          return jQuery.nodeName( event.target, "a" );
        }
      },

      beforeunload: {
        postDispatch: function( event ) {

          // Support: Firefox 20+
          // Firefox doesn't alert if the returnValue field is not set.
          if ( event.result !== undefined && event.originalEvent ) {
            event.originalEvent.returnValue = event.result;
          }
        }
      }
    }
  };

  jQuery.removeEvent = function( elem, type, handle ) {

    // This "if" is needed for plain objects
    if ( elem.removeEventListener ) {
      elem.removeEventListener( type, handle );
    }
  };

  jQuery.Event = function( src, props ) {

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

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

      // Events bubbling up the document may have been marked as prevented
      // by a handler lower down the tree; reflect the correct value.
      this.isDefaultPrevented = src.defaultPrevented ||
      src.defaultPrevented === undefined &&

        // Support: Android<4.0
      src.returnValue === false ?
        returnTrue :
        returnFalse;

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

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

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

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

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

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

      this.isDefaultPrevented = returnTrue;

      if ( e && !this.isSimulated ) {
        e.preventDefault();
      }
    },
    stopPropagation: function() {
      var e = this.originalEvent;

      this.isPropagationStopped = returnTrue;

      if ( e && !this.isSimulated ) {
        e.stopPropagation();
      }
    },
    stopImmediatePropagation: function() {
      var e = this.originalEvent;

      this.isImmediatePropagationStopped = returnTrue;

      if ( e && !this.isSimulated ) {
        e.stopImmediatePropagation();
      }

      this.stopPropagation();
    }
  };

// Create mouseenter/leave events using mouseover/out and event-time checks
// so that event delegation works in jQuery.
// Do the same for pointerenter/pointerleave and pointerover/pointerout
//
// Support: Safari 7 only
// Safari sends mouseenter too often; see:
// https://code.google.com/p/chromium/issues/detail?id=470258
// for the description of the bug (it existed in older Chrome versions as well).
  jQuery.each( {
    mouseenter: "mouseover",
    mouseleave: "mouseout",
    pointerenter: "pointerover",
    pointerleave: "pointerout"
  }, function( orig, fix ) {
    jQuery.event.special[ orig ] = {
      delegateType: fix,
      bindType: fix,

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

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

  jQuery.fn.extend( {
    on: function( types, selector, data, fn ) {
      return on( this, types, selector, data, fn );
    },
    one: function( types, selector, data, fn ) {
      return on( this, types, selector, data, fn, 1 );
    },
    off: function( types, selector, fn ) {
      var handleObj, type;
      if ( types && types.preventDefault && types.handleObj ) {

        // ( event )  dispatched jQuery.Event
        handleObj = types.handleObj;
        jQuery( types.delegateTarget ).off(
          handleObj.namespace ?
          handleObj.origType + "." + handleObj.namespace :
            handleObj.origType,
          handleObj.selector,
          handleObj.handler
        );
        return this;
      }
      if ( typeof types === "object" ) {

        // ( types-object [, selector] )
        for ( type in types ) {
          this.off( type, selector, types[ type ] );
        }
        return this;
      }
      if ( selector === false || typeof selector === "function" ) {

        // ( types [, fn] )
        fn = selector;
        selector = undefined;
      }
      if ( fn === false ) {
        fn = returnFalse;
      }
      return this.each( function() {
        jQuery.event.remove( this, types, fn, selector );
      } );
    }
  } );


  var
    rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:-]+)[^>]*)\/>/gi,

  // Support: IE 10-11, Edge 10240+
  // In IE/Edge using regex groups here causes severe slowdowns.
  // See https://connect.microsoft.com/IE/feedback/details/1736512/
    rnoInnerhtml = /<script|<style|<link/i,

  // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rscriptTypeMasked = /^true\/(.*)/,
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;

// Manipulating tables requires a tbody
  function manipulationTarget( elem, content ) {
    return jQuery.nodeName( elem, "table" ) &&
    jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?

    elem.getElementsByTagName( "tbody" )[ 0 ] ||
    elem.appendChild( elem.ownerDocument.createElement( "tbody" ) ) :
      elem;
  }

// Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
    elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
    return elem;
  }
  function restoreScript( elem ) {
    var match = rscriptTypeMasked.exec( elem.type );

    if ( match ) {
      elem.type = match[ 1 ];
    } else {
      elem.removeAttribute( "type" );
    }

    return elem;
  }

  function cloneCopyEvent( src, dest ) {
    var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;

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

    // 1. Copy private data: events, handlers, etc.
    if ( dataPriv.hasData( src ) ) {
      pdataOld = dataPriv.access( src );
      pdataCur = dataPriv.set( dest, pdataOld );
      events = pdataOld.events;

      if ( events ) {
        delete pdataCur.handle;
        pdataCur.events = {};

        for ( type in events ) {
          for ( i = 0, l = events[ type ].length; i < l; i++ ) {
            jQuery.event.add( dest, type, events[ type ][ i ] );
          }
        }
      }
    }

    // 2. Copy user data
    if ( dataUser.hasData( src ) ) {
      udataOld = dataUser.access( src );
      udataCur = jQuery.extend( {}, udataOld );

      dataUser.set( dest, udataCur );
    }
  }

// Fix IE bugs, see support tests
  function fixInput( src, dest ) {
    var nodeName = dest.nodeName.toLowerCase();

    // Fails to persist the checked state of a cloned checkbox or radio button.
    if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
      dest.checked = src.checked;

      // Fails to return the selected option to the default selected state when cloning options
    } else if ( nodeName === "input" || nodeName === "textarea" ) {
      dest.defaultValue = src.defaultValue;
    }
  }

  function domManip( collection, args, callback, ignored ) {

    // Flatten any nested arrays
    args = concat.apply( [], args );

    var fragment, first, scripts, hasScripts, node, doc,
      i = 0,
      l = collection.length,
      iNoClone = l - 1,
      value = args[ 0 ],
      isFunction = jQuery.isFunction( value );

    // We can't cloneNode fragments that contain checked, in WebKit
    if ( isFunction ||
      ( l > 1 && typeof value === "string" &&
      !support.checkClone && rchecked.test( value ) ) ) {
      return collection.each( function( index ) {
        var self = collection.eq( index );
        if ( isFunction ) {
          args[ 0 ] = value.call( this, index, self.html() );
        }
        domManip( self, args, callback, ignored );
      } );
    }

    if ( l ) {
      fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
      first = fragment.firstChild;

      if ( fragment.childNodes.length === 1 ) {
        fragment = first;
      }

      // Require either new content or an interest in ignored elements to invoke the callback
      if ( first || ignored ) {
        scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
        hasScripts = scripts.length;

        // Use the original fragment for the last item
        // instead of the first because it can end up
        // being emptied incorrectly in certain situations (#8070).
        for ( ; i < l; i++ ) {
          node = fragment;

          if ( i !== iNoClone ) {
            node = jQuery.clone( node, true, true );

            // Keep references to cloned scripts for later restoration
            if ( hasScripts ) {

              // Support: Android<4.1, PhantomJS<2
              // push.apply(_, arraylike) throws on ancient WebKit
              jQuery.merge( scripts, getAll( node, "script" ) );
            }
          }

          callback.call( collection[ i ], node, i );
        }

        if ( hasScripts ) {
          doc = scripts[ scripts.length - 1 ].ownerDocument;

          // Reenable scripts
          jQuery.map( scripts, restoreScript );

          // Evaluate executable scripts on first document insertion
          for ( i = 0; i < hasScripts; i++ ) {
            node = scripts[ i ];
            if ( rscriptType.test( node.type || "" ) &&
              !dataPriv.access( node, "globalEval" ) &&
              jQuery.contains( doc, node ) ) {

              if ( node.src ) {

                // Optional AJAX dependency, but won't run scripts if not present
                if ( jQuery._evalUrl ) {
                  jQuery._evalUrl( node.src );
                }
              } else {
                jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
              }
            }
          }
        }
      }
    }

    return collection;
  }

  function remove( elem, selector, keepData ) {
    var node,
      nodes = selector ? jQuery.filter( selector, elem ) : elem,
      i = 0;

    for ( ; ( node = nodes[ i ] ) != null; i++ ) {
      if ( !keepData && node.nodeType === 1 ) {
        jQuery.cleanData( getAll( node ) );
      }

      if ( node.parentNode ) {
        if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
          setGlobalEval( getAll( node, "script" ) );
        }
        node.parentNode.removeChild( node );
      }
    }

    return elem;
  }

  jQuery.extend( {
    htmlPrefilter: function( html ) {
      return html.replace( rxhtmlTag, "<$1></$2>" );
    },

    clone: function( elem, dataAndEvents, deepDataAndEvents ) {
      var i, l, srcElements, destElements,
        clone = elem.cloneNode( true ),
        inPage = jQuery.contains( elem.ownerDocument, elem );

      // Fix IE cloning issues
      if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
        !jQuery.isXMLDoc( elem ) ) {

        // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
        destElements = getAll( clone );
        srcElements = getAll( elem );

        for ( i = 0, l = srcElements.length; i < l; i++ ) {
          fixInput( srcElements[ i ], destElements[ i ] );
        }
      }

      // Copy the events from the original to the clone
      if ( dataAndEvents ) {
        if ( deepDataAndEvents ) {
          srcElements = srcElements || getAll( elem );
          destElements = destElements || getAll( clone );

          for ( i = 0, l = srcElements.length; i < l; i++ ) {
            cloneCopyEvent( srcElements[ i ], destElements[ i ] );
          }
        } else {
          cloneCopyEvent( elem, clone );
        }
      }

      // Preserve script evaluation history
      destElements = getAll( clone, "script" );
      if ( destElements.length > 0 ) {
        setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
      }

      // Return the cloned set
      return clone;
    },

    cleanData: function( elems ) {
      var data, elem, type,
        special = jQuery.event.special,
        i = 0;

      for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
        if ( acceptData( elem ) ) {
          if ( ( data = elem[ dataPriv.expando ] ) ) {
            if ( data.events ) {
              for ( type in data.events ) {
                if ( special[ type ] ) {
                  jQuery.event.remove( elem, type );

                  // This is a shortcut to avoid jQuery.event.remove's overhead
                } else {
                  jQuery.removeEvent( elem, type, data.handle );
                }
              }
            }

            // Support: Chrome <= 35-45+
            // Assign undefined instead of using delete, see Data#remove
            elem[ dataPriv.expando ] = undefined;
          }
          if ( elem[ dataUser.expando ] ) {

            // Support: Chrome <= 35-45+
            // Assign undefined instead of using delete, see Data#remove
            elem[ dataUser.expando ] = undefined;
          }
        }
      }
    }
  } );

  jQuery.fn.extend( {

    // Keep domManip exposed until 3.0 (gh-2225)
    domManip: domManip,

    detach: function( selector ) {
      return remove( this, selector, true );
    },

    remove: function( selector ) {
      return remove( this, selector );
    },

    text: function( value ) {
      return access( this, function( value ) {
        return value === undefined ?
          jQuery.text( this ) :
          this.empty().each( function() {
            if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
              this.textContent = value;
            }
          } );
      }, null, value, arguments.length );
    },

    append: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          var target = manipulationTarget( this, elem );
          target.appendChild( elem );
        }
      } );
    },

    prepend: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
          var target = manipulationTarget( this, elem );
          target.insertBefore( elem, target.firstChild );
        }
      } );
    },

    before: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this );
        }
      } );
    },

    after: function() {
      return domManip( this, arguments, function( elem ) {
        if ( this.parentNode ) {
          this.parentNode.insertBefore( elem, this.nextSibling );
        }
      } );
    },

    empty: function() {
      var elem,
        i = 0;

      for ( ; ( elem = this[ i ] ) != null; i++ ) {
        if ( elem.nodeType === 1 ) {

          // Prevent memory leaks
          jQuery.cleanData( getAll( elem, false ) );

          // Remove any remaining nodes
          elem.textContent = "";
        }
      }

      return this;
    },

    clone: function( dataAndEvents, deepDataAndEvents ) {
      dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
      deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

      return this.map( function() {
        return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
      } );
    },

    html: function( value ) {
      return access( this, function( value ) {
        var elem = this[ 0 ] || {},
          i = 0,
          l = this.length;

        if ( value === undefined && elem.nodeType === 1 ) {
          return elem.innerHTML;
        }

        // See if we can take a shortcut and just use innerHTML
        if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
          !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {

          value = jQuery.htmlPrefilter( value );

          try {
            for ( ; i < l; i++ ) {
              elem = this[ i ] || {};

              // Remove element nodes and prevent memory leaks
              if ( elem.nodeType === 1 ) {
                jQuery.cleanData( getAll( elem, false ) );
                elem.innerHTML = value;
              }
            }

            elem = 0;

            // If using innerHTML throws an exception, use the fallback method
          } catch ( e ) {}
        }

        if ( elem ) {
          this.empty().append( value );
        }
      }, null, value, arguments.length );
    },

    replaceWith: function() {
      var ignored = [];

      // Make the changes, replacing each non-ignored context element with the new content
      return domManip( this, arguments, function( elem ) {
        var parent = this.parentNode;

        if ( jQuery.inArray( this, ignored ) < 0 ) {
          jQuery.cleanData( getAll( this ) );
          if ( parent ) {
            parent.replaceChild( elem, this );
          }
        }

        // Force callback invocation
      }, ignored );
    }
  } );

  jQuery.each( {
    appendTo: "append",
    prependTo: "prepend",
    insertBefore: "before",
    insertAfter: "after",
    replaceAll: "replaceWith"
  }, function( name, original ) {
    jQuery.fn[ name ] = function( selector ) {
      var elems,
        ret = [],
        insert = jQuery( selector ),
        last = insert.length - 1,
        i = 0;

      for ( ; i <= last; i++ ) {
        elems = i === last ? this : this.clone( true );
        jQuery( insert[ i ] )[ original ]( elems );

        // Support: QtWebKit
        // .get() because push.apply(_, arraylike) throws
        push.apply( ret, elems.get() );
      }

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


  var iframe,
    elemdisplay = {

      // Support: Firefox
      // We have to pre-define these values for FF (#10227)
      HTML: "block",
      BODY: "block"
    };

  /**
   * Retrieve the actual display of a element
   * @param {String} name nodeName of the element
   * @param {Object} doc Document object
   */

// Called only from within defaultDisplay
  function actualDisplay( name, doc ) {
    var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),

      display = jQuery.css( elem[ 0 ], "display" );

    // We don't have any data stored on the element,
    // so use "detach" method as fast way to get rid of the element
    elem.detach();

    return display;
  }

  /**
   * Try to determine the default display value of an element
   * @param {String} nodeName
   */
  function defaultDisplay( nodeName ) {
    var doc = document,
      display = elemdisplay[ nodeName ];

    if ( !display ) {
      display = actualDisplay( nodeName, doc );

      // If the simple way fails, read from inside an iframe
      if ( display === "none" || !display ) {

        // Use the already-created iframe if possible
        iframe = ( iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" ) )
          .appendTo( doc.documentElement );

        // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
        doc = iframe[ 0 ].contentDocument;

        // Support: IE
        doc.write();
        doc.close();

        display = actualDisplay( nodeName, doc );
        iframe.detach();
      }

      // Store the correct default display
      elemdisplay[ nodeName ] = display;
    }

    return display;
  }
  var rmargin = ( /^margin/ );

  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );

  var getStyles = function( elem ) {

    // Support: IE<=11+, Firefox<=30+ (#15098, #14150)
    // IE throws on elements created in popups
    // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
    var view = elem.ownerDocument.defaultView;

    if ( !view || !view.opener ) {
      view = window;
    }

    return view.getComputedStyle( elem );
  };

  var swap = function( elem, options, callback, args ) {
    var ret, name,
      old = {};

    // Remember the old values, and insert the new ones
    for ( name in options ) {
      old[ name ] = elem.style[ name ];
      elem.style[ name ] = options[ name ];
    }

    ret = callback.apply( elem, args || [] );

    // Revert the old values
    for ( name in options ) {
      elem.style[ name ] = old[ name ];
    }

    return ret;
  };


  var documentElement = document.documentElement;



  ( function() {
    var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
      container = document.createElement( "div" ),
      div = document.createElement( "div" );

    // Finish early in limited (non-browser) environments
    if ( !div.style ) {
      return;
    }

    // Support: IE9-11+
    // Style of cloned element affects source element cloned (#8908)
    div.style.backgroundClip = "content-box";
    div.cloneNode( true ).style.backgroundClip = "";
    support.clearCloneStyle = div.style.backgroundClip === "content-box";

    container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
      "padding:0;margin-top:1px;position:absolute";
    container.appendChild( div );

    // Executing both pixelPosition & boxSizingReliable tests require only one layout
    // so they're executed at the same time to save the second computation.
    function computeStyleTests() {
      div.style.cssText =

        // Support: Firefox<29, Android 2.3
        // Vendor-prefix box-sizing
        "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" +
        "position:relative;display:block;" +
        "margin:auto;border:1px;padding:1px;" +
        "top:1%;width:50%";
      div.innerHTML = "";
      documentElement.appendChild( container );

      var divStyle = window.getComputedStyle( div );
      pixelPositionVal = divStyle.top !== "1%";
      reliableMarginLeftVal = divStyle.marginLeft === "2px";
      boxSizingReliableVal = divStyle.width === "4px";

      // Support: Android 4.0 - 4.3 only
      // Some styles come back with percentage values, even though they shouldn't
      div.style.marginRight = "50%";
      pixelMarginRightVal = divStyle.marginRight === "4px";

      documentElement.removeChild( container );
    }

    jQuery.extend( support, {
      pixelPosition: function() {

        // This test is executed only once but we still do memoizing
        // since we can use the boxSizingReliable pre-computing.
        // No need to check if the test was already performed, though.
        computeStyleTests();
        return pixelPositionVal;
      },
      boxSizingReliable: function() {
        if ( boxSizingReliableVal == null ) {
          computeStyleTests();
        }
        return boxSizingReliableVal;
      },
      pixelMarginRight: function() {

        // Support: Android 4.0-4.3
        // We're checking for boxSizingReliableVal here instead of pixelMarginRightVal
        // since that compresses better and they're computed together anyway.
        if ( boxSizingReliableVal == null ) {
          computeStyleTests();
        }
        return pixelMarginRightVal;
      },
      reliableMarginLeft: function() {

        // Support: IE <=8 only, Android 4.0 - 4.3 only, Firefox <=3 - 37
        if ( boxSizingReliableVal == null ) {
          computeStyleTests();
        }
        return reliableMarginLeftVal;
      },
      reliableMarginRight: function() {

        // Support: Android 2.3
        // Check if div with explicit width and no margin-right incorrectly
        // gets computed margin-right based on width of container. (#3333)
        // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
        // This support function is only executed once so no memoizing is needed.
        var ret,
          marginDiv = div.appendChild( document.createElement( "div" ) );

        // Reset CSS: box-sizing; display; margin; border; padding
        marginDiv.style.cssText = div.style.cssText =

          // Support: Android 2.3
          // Vendor-prefix box-sizing
          "-webkit-box-sizing:content-box;box-sizing:content-box;" +
          "display:block;margin:0;border:0;padding:0";
        marginDiv.style.marginRight = marginDiv.style.width = "0";
        div.style.width = "1px";
        documentElement.appendChild( container );

        ret = !parseFloat( window.getComputedStyle( marginDiv ).marginRight );

        documentElement.removeChild( container );
        div.removeChild( marginDiv );

        return ret;
      }
    } );
  } )();


  function curCSS( elem, name, computed ) {
    var width, minWidth, maxWidth, ret,
      style = elem.style;

    computed = computed || getStyles( elem );
    ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;

    // Support: Opera 12.1x only
    // Fall back to style even without computed
    // computed is undefined for elems on document fragments
    if ( ( ret === "" || ret === undefined ) && !jQuery.contains( elem.ownerDocument, elem ) ) {
      ret = jQuery.style( elem, name );
    }

    // Support: IE9
    // getPropertyValue is only needed for .css('filter') (#12537)
    if ( computed ) {

      // A tribute to the "awesome hack by Dean Edwards"
      // Android Browser returns percentage for some values,
      // but width seems to be reliably pixels.
      // This is against the CSSOM draft spec:
      // http://dev.w3.org/csswg/cssom/#resolved-values
      if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {

        // Remember the original values
        width = style.width;
        minWidth = style.minWidth;
        maxWidth = style.maxWidth;

        // Put in the new values to get a computed value out
        style.minWidth = style.maxWidth = style.width = ret;
        ret = computed.width;

        // Revert the changed values
        style.width = width;
        style.minWidth = minWidth;
        style.maxWidth = maxWidth;
      }
    }

    return ret !== undefined ?

      // Support: IE9-11+
      // IE returns zIndex value as an integer.
    ret + "" :
      ret;
  }


  function addGetHookIf( conditionFn, hookFn ) {

    // Define the hook, we'll check on the first run if it's really needed.
    return {
      get: function() {
        if ( conditionFn() ) {

          // Hook not needed (or it's not possible to use it due
          // to missing dependency), remove it.
          delete this.get;
          return;
        }

        // Hook needed; redefine it so that the support test is not executed again.
        return ( this.get = hookFn ).apply( this, arguments );
      }
    };
  }


  var

  // Swappable if display is none or starts with table
  // except "table", "table-cell", or "table-caption"
  // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
    rdisplayswap = /^(none|table(?!-c[ea]).+)/,

    cssShow = { position: "absolute", visibility: "hidden", display: "block" },
    cssNormalTransform = {
      letterSpacing: "0",
      fontWeight: "400"
    },

    cssPrefixes = [ "Webkit", "O", "Moz", "ms" ],
    emptyStyle = document.createElement( "div" ).style;

// Return a css property mapped to a potentially vendor prefixed property
  function vendorPropName( name ) {

    // Shortcut for names that are not vendor prefixed
    if ( name in emptyStyle ) {
      return name;
    }

    // Check for vendor prefixed names
    var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
      i = cssPrefixes.length;

    while ( i-- ) {
      name = cssPrefixes[ i ] + capName;
      if ( name in emptyStyle ) {
        return name;
      }
    }
  }

  function setPositiveNumber( elem, value, subtract ) {

    // Any relative (+/-) values have already been
    // normalized at this point
    var matches = rcssNum.exec( value );
    return matches ?

      // Guard against undefined "subtract", e.g., when used as in cssHooks
    Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
      value;
  }

  function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
    var i = extra === ( isBorderBox ? "border" : "content" ) ?

        // If we already have the right measurement, avoid augmentation
        4 :

        // Otherwise initialize for horizontal or vertical properties
        name === "width" ? 1 : 0,

      val = 0;

    for ( ; i < 4; i += 2 ) {

      // Both box models exclude margin, so add it if we want it
      if ( extra === "margin" ) {
        val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
      }

      if ( isBorderBox ) {

        // border-box includes padding, so remove it if we want content
        if ( extra === "content" ) {
          val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
        }

        // At this point, extra isn't border nor margin, so remove border
        if ( extra !== "margin" ) {
          val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      } else {

        // At this point, extra isn't content, so add padding
        val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );

        // At this point, extra isn't content nor padding, so add border
        if ( extra !== "padding" ) {
          val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
        }
      }
    }

    return val;
  }

  function getWidthOrHeight( elem, name, extra ) {

    // Start with offset property, which is equivalent to the border-box value
    var valueIsBorderBox = true,
      val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
      styles = getStyles( elem ),
      isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";

    // Some non-html elements return undefined for offsetWidth, so check for null/undefined
    // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
    if ( val <= 0 || val == null ) {

      // Fall back to computed then uncomputed css if necessary
      val = curCSS( elem, name, styles );
      if ( val < 0 || val == null ) {
        val = elem.style[ name ];
      }

      // Computed unit is not pixels. Stop here and return.
      if ( rnumnonpx.test( val ) ) {
        return val;
      }

      // Check for style in case a browser which returns unreliable values
      // for getComputedStyle silently falls back to the reliable elem.style
      valueIsBorderBox = isBorderBox &&
        ( support.boxSizingReliable() || val === elem.style[ name ] );

      // Normalize "", auto, and prepare for extra
      val = parseFloat( val ) || 0;
    }

    // Use the active box-sizing model to add/subtract irrelevant styles
    return ( val +
        augmentWidthOrHeight(
          elem,
          name,
          extra || ( isBorderBox ? "border" : "content" ),
          valueIsBorderBox,
          styles
        )
      ) + "px";
  }

  function showHide( elements, show ) {
    var display, elem, hidden,
      values = [],
      index = 0,
      length = elements.length;

    for ( ; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }

      values[ index ] = dataPriv.get( elem, "olddisplay" );
      display = elem.style.display;
      if ( show ) {

        // Reset the inline display of this element to learn if it is
        // being hidden by cascaded rules or not
        if ( !values[ index ] && display === "none" ) {
          elem.style.display = "";
        }

        // Set elements which have been overridden with display: none
        // in a stylesheet to whatever the default browser style is
        // for such an element
        if ( elem.style.display === "" && isHidden( elem ) ) {
          values[ index ] = dataPriv.access(
            elem,
            "olddisplay",
            defaultDisplay( elem.nodeName )
          );
        }
      } else {
        hidden = isHidden( elem );

        if ( display !== "none" || !hidden ) {
          dataPriv.set(
            elem,
            "olddisplay",
            hidden ? display : jQuery.css( elem, "display" )
          );
        }
      }
    }

    // Set the display of most of the elements in a second loop
    // to avoid the constant reflow
    for ( index = 0; index < length; index++ ) {
      elem = elements[ index ];
      if ( !elem.style ) {
        continue;
      }
      if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
        elem.style.display = show ? values[ index ] || "" : "none";
      }
    }

    return elements;
  }

  jQuery.extend( {

    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
      opacity: {
        get: function( elem, computed ) {
          if ( computed ) {

            // We should always get a number back from opacity
            var ret = curCSS( elem, "opacity" );
            return ret === "" ? "1" : ret;
          }
        }
      }
    },

    // Don't automatically add "px" to these possibly-unitless properties
    cssNumber: {
      "animationIterationCount": true,
      "columnCount": true,
      "fillOpacity": true,
      "flexGrow": true,
      "flexShrink": true,
      "fontWeight": true,
      "lineHeight": true,
      "opacity": true,
      "order": true,
      "orphans": true,
      "widows": true,
      "zIndex": true,
      "zoom": true
    },

    // Add in properties whose names you wish to fix before
    // setting or getting the value
    cssProps: {
      "float": "cssFloat"
    },

    // Get and set the style property on a DOM Node
    style: function( elem, name, value, extra ) {

      // Don't set styles on text and comment nodes
      if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
        return;
      }

      // Make sure that we're working with the right name
      var ret, type, hooks,
        origName = jQuery.camelCase( name ),
        style = elem.style;

      name = jQuery.cssProps[ origName ] ||
        ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );

      // Gets hook for the prefixed version, then unprefixed version
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // Check if we're setting a value
      if ( value !== undefined ) {
        type = typeof value;

        // Convert "+=" or "-=" to relative numbers (#7345)
        if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
          value = adjustCSS( elem, name, ret );

          // Fixes bug #9237
          type = "number";
        }

        // Make sure that null and NaN values aren't set (#7116)
        if ( value == null || value !== value ) {
          return;
        }

        // If a number was passed in, add the unit (except for certain CSS properties)
        if ( type === "number" ) {
          value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
        }

        // Support: IE9-11+
        // background-* props affect original clone's values
        if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
          style[ name ] = "inherit";
        }

        // If a hook was provided, use that value, otherwise just set the specified value
        if ( !hooks || !( "set" in hooks ) ||
          ( value = hooks.set( elem, value, extra ) ) !== undefined ) {

          style[ name ] = value;
        }

      } else {

        // If a hook was provided get the non-computed value from there
        if ( hooks && "get" in hooks &&
          ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {

          return ret;
        }

        // Otherwise just get the value from the style object
        return style[ name ];
      }
    },

    css: function( elem, name, extra, styles ) {
      var val, num, hooks,
        origName = jQuery.camelCase( name );

      // Make sure that we're working with the right name
      name = jQuery.cssProps[ origName ] ||
        ( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );

      // Try prefixed name followed by the unprefixed name
      hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

      // If a hook was provided get the computed value from there
      if ( hooks && "get" in hooks ) {
        val = hooks.get( elem, true, extra );
      }

      // Otherwise, if a way to get the computed value exists, use that
      if ( val === undefined ) {
        val = curCSS( elem, name, styles );
      }

      // Convert "normal" to computed value
      if ( val === "normal" && name in cssNormalTransform ) {
        val = cssNormalTransform[ name ];
      }

      // Make numeric if forced or a qualifier was provided and val looks numeric
      if ( extra === "" || extra ) {
        num = parseFloat( val );
        return extra === true || isFinite( num ) ? num || 0 : val;
      }
      return val;
    }
  } );

  jQuery.each( [ "height", "width" ], function( i, name ) {
    jQuery.cssHooks[ name ] = {
      get: function( elem, computed, extra ) {
        if ( computed ) {

          // Certain elements can have dimension info if we invisibly show them
          // but it must have a current display style that would benefit
          return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
          elem.offsetWidth === 0 ?
            swap( elem, cssShow, function() {
              return getWidthOrHeight( elem, name, extra );
            } ) :
            getWidthOrHeight( elem, name, extra );
        }
      },

      set: function( elem, value, extra ) {
        var matches,
          styles = extra && getStyles( elem ),
          subtract = extra && augmentWidthOrHeight(
              elem,
              name,
              extra,
              jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
              styles
            );

        // Convert to pixels if value adjustment is needed
        if ( subtract && ( matches = rcssNum.exec( value ) ) &&
          ( matches[ 3 ] || "px" ) !== "px" ) {

          elem.style[ name ] = value;
          value = jQuery.css( elem, name );
        }

        return setPositiveNumber( elem, value, subtract );
      }
    };
  } );

  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
    function( elem, computed ) {
      if ( computed ) {
        return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
            elem.getBoundingClientRect().left -
            swap( elem, { marginLeft: 0 }, function() {
              return elem.getBoundingClientRect().left;
            } )
          ) + "px";
      }
    }
  );

// Support: Android 2.3
  jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
    function( elem, computed ) {
      if ( computed ) {
        return swap( elem, { "display": "inline-block" },
          curCSS, [ elem, "marginRight" ] );
      }
    }
  );

// These hooks are used by animate to expand properties
  jQuery.each( {
    margin: "",
    padding: "",
    border: "Width"
  }, function( prefix, suffix ) {
    jQuery.cssHooks[ prefix + suffix ] = {
      expand: function( value ) {
        var i = 0,
          expanded = {},

        // Assumes a single number if not a string
          parts = typeof value === "string" ? value.split( " " ) : [ value ];

        for ( ; i < 4; i++ ) {
          expanded[ prefix + cssExpand[ i ] + suffix ] =
            parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
        }

        return expanded;
      }
    };

    if ( !rmargin.test( prefix ) ) {
      jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
    }
  } );

  jQuery.fn.extend( {
    css: function( name, value ) {
      return access( this, function( elem, name, value ) {
        var styles, len,
          map = {},
          i = 0;

        if ( jQuery.isArray( name ) ) {
          styles = getStyles( elem );
          len = name.length;

          for ( ; i < len; i++ ) {
            map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
          }

          return map;
        }

        return value !== undefined ?
          jQuery.style( elem, name, value ) :
          jQuery.css( elem, name );
      }, name, value, arguments.length > 1 );
    },
    show: function() {
      return showHide( this, true );
    },
    hide: function() {
      return showHide( this );
    },
    toggle: function( state ) {
      if ( typeof state === "boolean" ) {
        return state ? this.show() : this.hide();
      }

      return this.each( function() {
        if ( isHidden( this ) ) {
          jQuery( this ).show();
        } else {
          jQuery( this ).hide();
        }
      } );
    }
  } );


  function Tween( elem, options, prop, end, easing ) {
    return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;

  Tween.prototype = {
    constructor: Tween,
    init: function( elem, options, prop, end, easing, unit ) {
      this.elem = elem;
      this.prop = prop;
      this.easing = easing || jQuery.easing._default;
      this.options = options;
      this.start = this.now = this.cur();
      this.end = end;
      this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
    },
    cur: function() {
      var hooks = Tween.propHooks[ this.prop ];

      return hooks && hooks.get ?
        hooks.get( this ) :
        Tween.propHooks._default.get( this );
    },
    run: function( percent ) {
      var eased,
        hooks = Tween.propHooks[ this.prop ];

      if ( this.options.duration ) {
        this.pos = eased = jQuery.easing[ this.easing ](
          percent, this.options.duration * percent, 0, 1, this.options.duration
        );
      } else {
        this.pos = eased = percent;
      }
      this.now = ( this.end - this.start ) * eased + this.start;

      if ( this.options.step ) {
        this.options.step.call( this.elem, this.now, this );
      }

      if ( hooks && hooks.set ) {
        hooks.set( this );
      } else {
        Tween.propHooks._default.set( this );
      }
      return this;
    }
  };

  Tween.prototype.init.prototype = Tween.prototype;

  Tween.propHooks = {
    _default: {
      get: function( tween ) {
        var result;

        // Use a property on the element directly when it is not a DOM element,
        // or when there is no matching style property that exists.
        if ( tween.elem.nodeType !== 1 ||
          tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
          return tween.elem[ tween.prop ];
        }

        // Passing an empty string as a 3rd parameter to .css will automatically
        // attempt a parseFloat and fallback to a string if the parse fails.
        // Simple values such as "10px" are parsed to Float;
        // complex values such as "rotate(1rad)" are returned as-is.
        result = jQuery.css( tween.elem, tween.prop, "" );

        // Empty strings, null, undefined and "auto" are converted to 0.
        return !result || result === "auto" ? 0 : result;
      },
      set: function( tween ) {

        // Use step hook for back compat.
        // Use cssHook if its there.
        // Use .style if available and use plain properties where available.
        if ( jQuery.fx.step[ tween.prop ] ) {
          jQuery.fx.step[ tween.prop ]( tween );
        } else if ( tween.elem.nodeType === 1 &&
          ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
          jQuery.cssHooks[ tween.prop ] ) ) {
          jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
        } else {
          tween.elem[ tween.prop ] = tween.now;
        }
      }
    }
  };

// Support: IE9
// Panic based approach to setting things on disconnected nodes
  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    set: function( tween ) {
      if ( tween.elem.nodeType && tween.elem.parentNode ) {
        tween.elem[ tween.prop ] = tween.now;
      }
    }
  };

  jQuery.easing = {
    linear: function( p ) {
      return p;
    },
    swing: function( p ) {
      return 0.5 - Math.cos( p * Math.PI ) / 2;
    },
    _default: "swing"
  };

  jQuery.fx = Tween.prototype.init;

// Back Compat <1.8 extension point
  jQuery.fx.step = {};




  var
    fxNow, timerId,
    rfxtypes = /^(?:toggle|show|hide)$/,
    rrun = /queueHooks$/;

// Animations created synchronously will run synchronously
  function createFxNow() {
    window.setTimeout( function() {
      fxNow = undefined;
    } );
    return ( fxNow = jQuery.now() );
  }

// Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
    var which,
      i = 0,
      attrs = { height: type };

    // If we include width, step value is 1 to do all cssExpand values,
    // otherwise step value is 2 to skip over Left and Right
    includeWidth = includeWidth ? 1 : 0;
    for ( ; i < 4 ; i += 2 - includeWidth ) {
      which = cssExpand[ i ];
      attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
    }

    if ( includeWidth ) {
      attrs.opacity = attrs.width = type;
    }

    return attrs;
  }

  function createTween( value, prop, animation ) {
    var tween,
      collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
      index = 0,
      length = collection.length;
    for ( ; index < length; index++ ) {
      if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {

        // We're done with this property
        return tween;
      }
    }
  }

  function defaultPrefilter( elem, props, opts ) {
    /* jshint validthis: true */
    var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
      anim = this,
      orig = {},
      style = elem.style,
      hidden = elem.nodeType && isHidden( elem ),
      dataShow = dataPriv.get( elem, "fxshow" );

    // Handle queue: false promises
    if ( !opts.queue ) {
      hooks = jQuery._queueHooks( elem, "fx" );
      if ( hooks.unqueued == null ) {
        hooks.unqueued = 0;
        oldfire = hooks.empty.fire;
        hooks.empty.fire = function() {
          if ( !hooks.unqueued ) {
            oldfire();
          }
        };
      }
      hooks.unqueued++;

      anim.always( function() {

        // Ensure the complete handler is called before this completes
        anim.always( function() {
          hooks.unqueued--;
          if ( !jQuery.queue( elem, "fx" ).length ) {
            hooks.empty.fire();
          }
        } );
      } );
    }

    // Height/width overflow pass
    if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {

      // Make sure that nothing sneaks out
      // Record all 3 overflow attributes because IE9-10 do not
      // change the overflow attribute when overflowX and
      // overflowY are set to the same value
      opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];

      // Set display property to inline-block for height/width
      // animations on inline elements that are having width/height animated
      display = jQuery.css( elem, "display" );

      // Test default display if display is currently "none"
      checkDisplay = display === "none" ?
      dataPriv.get( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;

      if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
        style.display = "inline-block";
      }
    }

    if ( opts.overflow ) {
      style.overflow = "hidden";
      anim.always( function() {
        style.overflow = opts.overflow[ 0 ];
        style.overflowX = opts.overflow[ 1 ];
        style.overflowY = opts.overflow[ 2 ];
      } );
    }

    // show/hide pass
    for ( prop in props ) {
      value = props[ prop ];
      if ( rfxtypes.exec( value ) ) {
        delete props[ prop ];
        toggle = toggle || value === "toggle";
        if ( value === ( hidden ? "hide" : "show" ) ) {

          // If there is dataShow left over from a stopped hide or show
          // and we are going to proceed with show, we should pretend to be hidden
          if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
            hidden = true;
          } else {
            continue;
          }
        }
        orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );

        // Any non-fx value stops us from restoring the original display value
      } else {
        display = undefined;
      }
    }

    if ( !jQuery.isEmptyObject( orig ) ) {
      if ( dataShow ) {
        if ( "hidden" in dataShow ) {
          hidden = dataShow.hidden;
        }
      } else {
        dataShow = dataPriv.access( elem, "fxshow", {} );
      }

      // Store state if its toggle - enables .stop().toggle() to "reverse"
      if ( toggle ) {
        dataShow.hidden = !hidden;
      }
      if ( hidden ) {
        jQuery( elem ).show();
      } else {
        anim.done( function() {
          jQuery( elem ).hide();
        } );
      }
      anim.done( function() {
        var prop;

        dataPriv.remove( elem, "fxshow" );
        for ( prop in orig ) {
          jQuery.style( elem, prop, orig[ prop ] );
        }
      } );
      for ( prop in orig ) {
        tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );

        if ( !( prop in dataShow ) ) {
          dataShow[ prop ] = tween.start;
          if ( hidden ) {
            tween.end = tween.start;
            tween.start = prop === "width" || prop === "height" ? 1 : 0;
          }
        }
      }

      // If this is a noop like .hide().hide(), restore an overwritten display value
    } else if ( ( display === "none" ? defaultDisplay( elem.nodeName ) : display ) === "inline" ) {
      style.display = display;
    }
  }

  function propFilter( props, specialEasing ) {
    var index, name, easing, value, hooks;

    // camelCase, specialEasing and expand cssHook pass
    for ( index in props ) {
      name = jQuery.camelCase( index );
      easing = specialEasing[ name ];
      value = props[ index ];
      if ( jQuery.isArray( value ) ) {
        easing = value[ 1 ];
        value = props[ index ] = value[ 0 ];
      }

      if ( index !== name ) {
        props[ name ] = value;
        delete props[ index ];
      }

      hooks = jQuery.cssHooks[ name ];
      if ( hooks && "expand" in hooks ) {
        value = hooks.expand( value );
        delete props[ name ];

        // Not quite $.extend, this won't overwrite existing keys.
        // Reusing 'index' because we have the correct "name"
        for ( index in value ) {
          if ( !( index in props ) ) {
            props[ index ] = value[ index ];
            specialEasing[ index ] = easing;
          }
        }
      } else {
        specialEasing[ name ] = easing;
      }
    }
  }

  function Animation( elem, properties, options ) {
    var result,
      stopped,
      index = 0,
      length = Animation.prefilters.length,
      deferred = jQuery.Deferred().always( function() {

        // Don't match elem in the :animated selector
        delete tick.elem;
      } ),
      tick = function() {
        if ( stopped ) {
          return false;
        }
        var currentTime = fxNow || createFxNow(),
          remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),

        // Support: Android 2.3
        // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
          temp = remaining / animation.duration || 0,
          percent = 1 - temp,
          index = 0,
          length = animation.tweens.length;

        for ( ; index < length ; index++ ) {
          animation.tweens[ index ].run( percent );
        }

        deferred.notifyWith( elem, [ animation, percent, remaining ] );

        if ( percent < 1 && length ) {
          return remaining;
        } else {
          deferred.resolveWith( elem, [ animation ] );
          return false;
        }
      },
      animation = deferred.promise( {
        elem: elem,
        props: jQuery.extend( {}, properties ),
        opts: jQuery.extend( true, {
          specialEasing: {},
          easing: jQuery.easing._default
        }, options ),
        originalProperties: properties,
        originalOptions: options,
        startTime: fxNow || createFxNow(),
        duration: options.duration,
        tweens: [],
        createTween: function( prop, end ) {
          var tween = jQuery.Tween( elem, animation.opts, prop, end,
            animation.opts.specialEasing[ prop ] || animation.opts.easing );
          animation.tweens.push( tween );
          return tween;
        },
        stop: function( gotoEnd ) {
          var index = 0,

          // If we are going to the end, we want to run all the tweens
          // otherwise we skip this part
            length = gotoEnd ? animation.tweens.length : 0;
          if ( stopped ) {
            return this;
          }
          stopped = true;
          for ( ; index < length ; index++ ) {
            animation.tweens[ index ].run( 1 );
          }

          // Resolve when we played the last frame; otherwise, reject
          if ( gotoEnd ) {
            deferred.notifyWith( elem, [ animation, 1, 0 ] );
            deferred.resolveWith( elem, [ animation, gotoEnd ] );
          } else {
            deferred.rejectWith( elem, [ animation, gotoEnd ] );
          }
          return this;
        }
      } ),
      props = animation.props;

    propFilter( props, animation.opts.specialEasing );

    for ( ; index < length ; index++ ) {
      result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
      if ( result ) {
        if ( jQuery.isFunction( result.stop ) ) {
          jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
            jQuery.proxy( result.stop, result );
        }
        return result;
      }
    }

    jQuery.map( props, createTween, animation );

    if ( jQuery.isFunction( animation.opts.start ) ) {
      animation.opts.start.call( elem, animation );
    }

    jQuery.fx.timer(
      jQuery.extend( tick, {
        elem: elem,
        anim: animation,
        queue: animation.opts.queue
      } )
    );

    // attach callbacks from options
    return animation.progress( animation.opts.progress )
      .done( animation.opts.done, animation.opts.complete )
      .fail( animation.opts.fail )
      .always( animation.opts.always );
  }

  jQuery.Animation = jQuery.extend( Animation, {
    tweeners: {
      "*": [ function( prop, value ) {
        var tween = this.createTween( prop, value );
        adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
        return tween;
      } ]
    },

    tweener: function( props, callback ) {
      if ( jQuery.isFunction( props ) ) {
        callback = props;
        props = [ "*" ];
      } else {
        props = props.match( rnotwhite );
      }

      var prop,
        index = 0,
        length = props.length;

      for ( ; index < length ; index++ ) {
        prop = props[ index ];
        Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
        Animation.tweeners[ prop ].unshift( callback );
      }
    },

    prefilters: [ defaultPrefilter ],

    prefilter: function( callback, prepend ) {
      if ( prepend ) {
        Animation.prefilters.unshift( callback );
      } else {
        Animation.prefilters.push( callback );
      }
    }
  } );

  jQuery.speed = function( speed, easing, fn ) {
    var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
      complete: fn || !fn && easing ||
      jQuery.isFunction( speed ) && speed,
      duration: speed,
      easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
    };

    opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ?
      opt.duration : opt.duration in jQuery.fx.speeds ?
      jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;

    // Normalize opt.queue - true/undefined/null -> "fx"
    if ( opt.queue == null || opt.queue === true ) {
      opt.queue = "fx";
    }

    // Queueing
    opt.old = opt.complete;

    opt.complete = function() {
      if ( jQuery.isFunction( opt.old ) ) {
        opt.old.call( this );
      }

      if ( opt.queue ) {
        jQuery.dequeue( this, opt.queue );
      }
    };

    return opt;
  };

  jQuery.fn.extend( {
    fadeTo: function( speed, to, easing, callback ) {

      // Show any hidden elements after setting opacity to 0
      return this.filter( isHidden ).css( "opacity", 0 ).show()

        // Animate to the value specified
        .end().animate( { opacity: to }, speed, easing, callback );
    },
    animate: function( prop, speed, easing, callback ) {
      var empty = jQuery.isEmptyObject( prop ),
        optall = jQuery.speed( speed, easing, callback ),
        doAnimation = function() {

          // Operate on a copy of prop so per-property easing won't be lost
          var anim = Animation( this, jQuery.extend( {}, prop ), optall );

          // Empty animations, or finishing resolves immediately
          if ( empty || dataPriv.get( this, "finish" ) ) {
            anim.stop( true );
          }
        };
      doAnimation.finish = doAnimation;

      return empty || optall.queue === false ?
        this.each( doAnimation ) :
        this.queue( optall.queue, doAnimation );
    },
    stop: function( type, clearQueue, gotoEnd ) {
      var stopQueue = function( hooks ) {
        var stop = hooks.stop;
        delete hooks.stop;
        stop( gotoEnd );
      };

      if ( typeof type !== "string" ) {
        gotoEnd = clearQueue;
        clearQueue = type;
        type = undefined;
      }
      if ( clearQueue && type !== false ) {
        this.queue( type || "fx", [] );
      }

      return this.each( function() {
        var dequeue = true,
          index = type != null && type + "queueHooks",
          timers = jQuery.timers,
          data = dataPriv.get( this );

        if ( index ) {
          if ( data[ index ] && data[ index ].stop ) {
            stopQueue( data[ index ] );
          }
        } else {
          for ( index in data ) {
            if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
              stopQueue( data[ index ] );
            }
          }
        }

        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this &&
            ( type == null || timers[ index ].queue === type ) ) {

            timers[ index ].anim.stop( gotoEnd );
            dequeue = false;
            timers.splice( index, 1 );
          }
        }

        // Start the next in the queue if the last step wasn't forced.
        // Timers currently will call their complete callbacks, which
        // will dequeue but only if they were gotoEnd.
        if ( dequeue || !gotoEnd ) {
          jQuery.dequeue( this, type );
        }
      } );
    },
    finish: function( type ) {
      if ( type !== false ) {
        type = type || "fx";
      }
      return this.each( function() {
        var index,
          data = dataPriv.get( this ),
          queue = data[ type + "queue" ],
          hooks = data[ type + "queueHooks" ],
          timers = jQuery.timers,
          length = queue ? queue.length : 0;

        // Enable finishing flag on private data
        data.finish = true;

        // Empty the queue first
        jQuery.queue( this, type, [] );

        if ( hooks && hooks.stop ) {
          hooks.stop.call( this, true );
        }

        // Look for any active animations, and finish them
        for ( index = timers.length; index--; ) {
          if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
            timers[ index ].anim.stop( true );
            timers.splice( index, 1 );
          }
        }

        // Look for any animations in the old queue and finish them
        for ( index = 0; index < length; index++ ) {
          if ( queue[ index ] && queue[ index ].finish ) {
            queue[ index ].finish.call( this );
          }
        }

        // Turn off finishing flag
        delete data.finish;
      } );
    }
  } );

  jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
    var cssFn = jQuery.fn[ name ];
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return speed == null || typeof speed === "boolean" ?
        cssFn.apply( this, arguments ) :
        this.animate( genFx( name, true ), speed, easing, callback );
    };
  } );

// Generate shortcuts for custom animations
  jQuery.each( {
    slideDown: genFx( "show" ),
    slideUp: genFx( "hide" ),
    slideToggle: genFx( "toggle" ),
    fadeIn: { opacity: "show" },
    fadeOut: { opacity: "hide" },
    fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
    jQuery.fn[ name ] = function( speed, easing, callback ) {
      return this.animate( props, speed, easing, callback );
    };
  } );

  jQuery.timers = [];
  jQuery.fx.tick = function() {
    var timer,
      i = 0,
      timers = jQuery.timers;

    fxNow = jQuery.now();

    for ( ; i < timers.length; i++ ) {
      timer = timers[ i ];

      // Checks the timer has not already been removed
      if ( !timer() && timers[ i ] === timer ) {
        timers.splice( i--, 1 );
      }
    }

    if ( !timers.length ) {
      jQuery.fx.stop();
    }
    fxNow = undefined;
  };

  jQuery.fx.timer = function( timer ) {
    jQuery.timers.push( timer );
    if ( timer() ) {
      jQuery.fx.start();
    } else {
      jQuery.timers.pop();
    }
  };

  jQuery.fx.interval = 13;
  jQuery.fx.start = function() {
    if ( !timerId ) {
      timerId = window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
    }
  };

  jQuery.fx.stop = function() {
    window.clearInterval( timerId );

    timerId = null;
  };

  jQuery.fx.speeds = {
    slow: 600,
    fast: 200,

    // Default speed
    _default: 400
  };


// Based off of the plugin by Clint Helfers, with permission.
// http://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
  jQuery.fn.delay = function( time, type ) {
    time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
    type = type || "fx";

    return this.queue( type, function( next, hooks ) {
      var timeout = window.setTimeout( next, time );
      hooks.stop = function() {
        window.clearTimeout( timeout );
      };
    } );
  };


  ( function() {
    var input = document.createElement( "input" ),
      select = document.createElement( "select" ),
      opt = select.appendChild( document.createElement( "option" ) );

    input.type = "checkbox";

    // Support: iOS<=5.1, Android<=4.2+
    // Default value for a checkbox should be "on"
    support.checkOn = input.value !== "";

    // Support: IE<=11+
    // Must access selectedIndex to make default options select
    support.optSelected = opt.selected;

    // Support: Android<=2.3
    // Options inside disabled selects are incorrectly marked as disabled
    select.disabled = true;
    support.optDisabled = !opt.disabled;

    // Support: IE<=11+
    // An input loses its value after becoming a radio
    input = document.createElement( "input" );
    input.value = "t";
    input.type = "radio";
    support.radioValue = input.value === "t";
  } )();


  var boolHook,
    attrHandle = jQuery.expr.attrHandle;

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

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

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

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

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

      // All attributes are lowercase
      // Grab necessary hook if one is defined
      if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
        name = name.toLowerCase();
        hooks = jQuery.attrHooks[ name ] ||
          ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
      }

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

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

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

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

      ret = jQuery.find.attr( elem, name );

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

    attrHooks: {
      type: {
        set: function( elem, value ) {
          if ( !support.radioValue && value === "radio" &&
            jQuery.nodeName( elem, "input" ) ) {
            var val = elem.value;
            elem.setAttribute( "type", value );
            if ( val ) {
              elem.value = val;
            }
            return value;
          }
        }
      }
    },

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

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

          // Boolean attributes get special treatment (#10870)
          if ( jQuery.expr.match.bool.test( name ) ) {

            // Set corresponding property to false
            elem[ propName ] = false;
          }

          elem.removeAttribute( name );
        }
      }
    }
  } );

// Hooks for boolean attributes
  boolHook = {
    set: function( elem, value, name ) {
      if ( value === false ) {

        // Remove boolean attributes when set to false
        jQuery.removeAttr( elem, name );
      } else {
        elem.setAttribute( name, name );
      }
      return name;
    }
  };
  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
    var getter = attrHandle[ name ] || jQuery.find.attr;

    attrHandle[ name ] = function( elem, name, isXML ) {
      var ret, handle;
      if ( !isXML ) {

        // Avoid an infinite loop by temporarily removing this function from the getter
        handle = attrHandle[ name ];
        attrHandle[ name ] = ret;
        ret = getter( elem, name, isXML ) != null ?
          name.toLowerCase() :
          null;
        attrHandle[ name ] = handle;
      }
      return ret;
    };
  } );




  var rfocusable = /^(?:input|select|textarea|button)$/i,
    rclickable = /^(?:a|area)$/i;

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

    removeProp: function( name ) {
      return this.each( function() {
        delete this[ jQuery.propFix[ name ] || name ];
      } );
    }
  } );

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

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

      if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {

        // Fix name and attach hooks
        name = jQuery.propFix[ name ] || name;
        hooks = jQuery.propHooks[ name ];
      }

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

        return ( elem[ name ] = value );
      }

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

      return elem[ name ];
    },

    propHooks: {
      tabIndex: {
        get: function( elem ) {

          // elem.tabIndex doesn't always return the
          // correct value when it hasn't been explicitly set
          // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
          // Use proper attribute retrieval(#12072)
          var tabindex = jQuery.find.attr( elem, "tabindex" );

          return tabindex ?
            parseInt( tabindex, 10 ) :
            rfocusable.test( elem.nodeName ) ||
            rclickable.test( elem.nodeName ) && elem.href ?
              0 :
              -1;
        }
      }
    },

    propFix: {
      "for": "htmlFor",
      "class": "className"
    }
  } );

// Support: IE <=11 only
// Accessing the selectedIndex property
// forces the browser to respect setting selected
// on the option
// The getter ensures a default option is selected
// when in an optgroup
  if ( !support.optSelected ) {
    jQuery.propHooks.selected = {
      get: function( elem ) {
        var parent = elem.parentNode;
        if ( parent && parent.parentNode ) {
          parent.parentNode.selectedIndex;
        }
        return null;
      },
      set: function( elem ) {
        var parent = elem.parentNode;
        if ( parent ) {
          parent.selectedIndex;

          if ( parent.parentNode ) {
            parent.parentNode.selectedIndex;
          }
        }
      }
    };
  }

  jQuery.each( [
    "tabIndex",
    "readOnly",
    "maxLength",
    "cellSpacing",
    "cellPadding",
    "rowSpan",
    "colSpan",
    "useMap",
    "frameBorder",
    "contentEditable"
  ], function() {
    jQuery.propFix[ this.toLowerCase() ] = this;
  } );




  var rclass = /[\t\r\n\f]/g;

  function getClass( elem ) {
    return elem.getAttribute && elem.getAttribute( "class" ) || "";
  }

  jQuery.fn.extend( {
    addClass: function( value ) {
      var classes, elem, cur, curValue, clazz, j, finalValue,
        i = 0;

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

      if ( typeof value === "string" && value ) {
        classes = value.match( rnotwhite ) || [];

        while ( ( elem = this[ i++ ] ) ) {
          curValue = getClass( elem );
          cur = elem.nodeType === 1 &&
            ( " " + curValue + " " ).replace( rclass, " " );

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

            // Only assign if different to avoid unneeded rendering.
            finalValue = jQuery.trim( cur );
            if ( curValue !== finalValue ) {
              elem.setAttribute( "class", finalValue );
            }
          }
        }
      }

      return this;
    },

    removeClass: function( value ) {
      var classes, elem, cur, curValue, clazz, j, finalValue,
        i = 0;

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

      if ( !arguments.length ) {
        return this.attr( "class", "" );
      }

      if ( typeof value === "string" && value ) {
        classes = value.match( rnotwhite ) || [];

        while ( ( elem = this[ i++ ] ) ) {
          curValue = getClass( elem );

          // This expression is here for better compressibility (see addClass)
          cur = elem.nodeType === 1 &&
            ( " " + curValue + " " ).replace( rclass, " " );

          if ( cur ) {
            j = 0;
            while ( ( clazz = classes[ j++ ] ) ) {

              // Remove *all* instances
              while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
                cur = cur.replace( " " + clazz + " ", " " );
              }
            }

            // Only assign if different to avoid unneeded rendering.
            finalValue = jQuery.trim( cur );
            if ( curValue !== finalValue ) {
              elem.setAttribute( "class", finalValue );
            }
          }
        }
      }

      return this;
    },

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

      if ( typeof stateVal === "boolean" && type === "string" ) {
        return stateVal ? this.addClass( value ) : this.removeClass( value );
      }

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

      return this.each( function() {
        var className, i, self, classNames;

        if ( type === "string" ) {

          // Toggle individual class names
          i = 0;
          self = jQuery( this );
          classNames = value.match( rnotwhite ) || [];

          while ( ( className = classNames[ i++ ] ) ) {

            // Check each className given, space separated list
            if ( self.hasClass( className ) ) {
              self.removeClass( className );
            } else {
              self.addClass( className );
            }
          }

          // Toggle whole class name
        } else if ( value === undefined || type === "boolean" ) {
          className = getClass( this );
          if ( className ) {

            // Store className if set
            dataPriv.set( this, "__className__", className );
          }

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

    hasClass: function( selector ) {
      var className, elem,
        i = 0;

      className = " " + selector + " ";
      while ( ( elem = this[ i++ ] ) ) {
        if ( elem.nodeType === 1 &&
          ( " " + getClass( elem ) + " " ).replace( rclass, " " )
            .indexOf( className ) > -1
        ) {
          return true;
        }
      }

      return false;
    }
  } );




  var rreturn = /\r/g,
    rspaces = /[\x20\t\r\n\f]+/g;

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

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

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

          ret = elem.value;

          return typeof ret === "string" ?

            // Handle most common string cases
            ret.replace( rreturn, "" ) :

            // Handle cases where value is null/undef or number
            ret == null ? "" : ret;
        }

        return;
      }

      isFunction = jQuery.isFunction( value );

      return this.each( function( i ) {
        var val;

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

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

        // Treat null/undefined as ""; convert numbers to string
        if ( val == null ) {
          val = "";

        } else if ( typeof val === "number" ) {
          val += "";

        } else if ( jQuery.isArray( val ) ) {
          val = jQuery.map( val, function( value ) {
            return value == null ? "" : value + "";
          } );
        }

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

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

  jQuery.extend( {
    valHooks: {
      option: {
        get: function( elem ) {

          var val = jQuery.find.attr( elem, "value" );
          return val != null ?
            val :

            // Support: IE10-11+
            // option.text throws exceptions (#14686, #14858)
            // Strip and collapse whitespace
            // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
            jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " );
        }
      },
      select: {
        get: function( elem ) {
          var value, option,
            options = elem.options,
            index = elem.selectedIndex,
            one = elem.type === "select-one" || index < 0,
            values = one ? null : [],
            max = one ? index + 1 : options.length,
            i = index < 0 ?
              max :
              one ? index : 0;

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

            // IE8-9 doesn't update selected after form reset (#2551)
            if ( ( option.selected || i === index ) &&

                // Don't return options that are disabled or in a disabled optgroup
              ( support.optDisabled ?
                !option.disabled : option.getAttribute( "disabled" ) === null ) &&
              ( !option.parentNode.disabled ||
              !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {

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

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

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

          return values;
        },

        set: function( elem, value ) {
          var optionSet, option,
            options = elem.options,
            values = jQuery.makeArray( value ),
            i = options.length;

          while ( i-- ) {
            option = options[ i ];
            if ( option.selected =
                jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
            ) {
              optionSet = true;
            }
          }

          // Force browsers to behave consistently when non-matching value is set
          if ( !optionSet ) {
            elem.selectedIndex = -1;
          }
          return values;
        }
      }
    }
  } );

// Radios and checkboxes getter/setter
  jQuery.each( [ "radio", "checkbox" ], function() {
    jQuery.valHooks[ this ] = {
      set: function( elem, value ) {
        if ( jQuery.isArray( value ) ) {
          return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
        }
      }
    };
    if ( !support.checkOn ) {
      jQuery.valHooks[ this ].get = function( elem ) {
        return elem.getAttribute( "value" ) === null ? "on" : elem.value;
      };
    }
  } );




// Return jQuery for attributes-only inclusion


  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;

  jQuery.extend( jQuery.event, {

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

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

      cur = tmp = elem = elem || document;

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

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

      if ( type.indexOf( "." ) > -1 ) {

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

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

      // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
      event.isTrigger = onlyHandlers ? 2 : 3;
      event.namespace = namespaces.join( "." );
      event.rnamespace = event.namespace ?
        new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
        null;

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

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

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

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

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

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

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

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

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

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

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

        if ( ( !special._default ||
          special._default.apply( eventPath.pop(), data ) === false ) &&
          acceptData( elem ) ) {

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

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

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

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

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

      return event.result;
    },

    // Piggyback on a donor event to simulate a different one
    // Used only for `focus(in | out)` events
    simulate: function( type, elem, event ) {
      var e = jQuery.extend(
        new jQuery.Event(),
        event,
        {
          type: type,
          isSimulated: true
        }
      );

      jQuery.event.trigger( e, null, elem );
    }

  } );

  jQuery.fn.extend( {

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


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

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

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




  support.focusin = "onfocusin" in window;


// Support: Firefox
// Firefox doesn't have focus(in | out) events
// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
//
// Support: Chrome, Safari
// focus(in | out) events fire after focus & blur events,
// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
// Related ticket - https://code.google.com/p/chromium/issues/detail?id=449857
  if ( !support.focusin ) {
    jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {

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

      jQuery.event.special[ fix ] = {
        setup: function() {
          var doc = this.ownerDocument || this,
            attaches = dataPriv.access( doc, fix );

          if ( !attaches ) {
            doc.addEventListener( orig, handler, true );
          }
          dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
        },
        teardown: function() {
          var doc = this.ownerDocument || this,
            attaches = dataPriv.access( doc, fix ) - 1;

          if ( !attaches ) {
            doc.removeEventListener( orig, handler, true );
            dataPriv.remove( doc, fix );

          } else {
            dataPriv.access( doc, fix, attaches );
          }
        }
      };
    } );
  }
  var location = window.location;

  var nonce = jQuery.now();

  var rquery = ( /\?/ );



// Support: Android 2.3
// Workaround failure to string-cast null input
  jQuery.parseJSON = function( data ) {
    return JSON.parse( data + "" );
  };


// Cross-browser xml parsing
  jQuery.parseXML = function( data ) {
    var xml;
    if ( !data || typeof data !== "string" ) {
      return null;
    }

    // Support: IE9
    try {
      xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
    } catch ( e ) {
      xml = undefined;
    }

    if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
      jQuery.error( "Invalid XML: " + data );
    }
    return xml;
  };


  var
    rhash = /#.*$/,
    rts = /([?&])_=[^&]*/,
    rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,

  // #7653, #8125, #8152: local protocol detection
    rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
    rnoContent = /^(?:GET|HEAD)$/,
    rprotocol = /^\/\//,

  /* Prefilters
   * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
   * 2) These are called:
   *    - BEFORE asking for a transport
   *    - AFTER param serialization (s.data is a string if s.processData is true)
   * 3) key is the dataType
   * 4) the catchall symbol "*" can be used
   * 5) execution will start with transport dataType and THEN continue down to "*" if needed
   */
    prefilters = {},

  /* Transports bindings
   * 1) key is the dataType
   * 2) the catchall symbol "*" can be used
   * 3) selection will start with transport dataType and THEN go to "*" if needed
   */
    transports = {},

  // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
    allTypes = "*/".concat( "*" ),

  // Anchor tag for parsing the document origin
    originAnchor = document.createElement( "a" );
  originAnchor.href = location.href;

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {

    // dataTypeExpression is optional and defaults to "*"
    return function( dataTypeExpression, func ) {

      if ( typeof dataTypeExpression !== "string" ) {
        func = dataTypeExpression;
        dataTypeExpression = "*";
      }

      var dataType,
        i = 0,
        dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];

      if ( jQuery.isFunction( func ) ) {

        // For each dataType in the dataTypeExpression
        while ( ( dataType = dataTypes[ i++ ] ) ) {

          // Prepend if requested
          if ( dataType[ 0 ] === "+" ) {
            dataType = dataType.slice( 1 ) || "*";
            ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );

            // Otherwise append
          } else {
            ( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
          }
        }
      }
    };
  }

// Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {

    var inspected = {},
      seekingTransport = ( structure === transports );

    function inspect( dataType ) {
      var selected;
      inspected[ dataType ] = true;
      jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
        var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
        if ( typeof dataTypeOrTransport === "string" &&
          !seekingTransport && !inspected[ dataTypeOrTransport ] ) {

          options.dataTypes.unshift( dataTypeOrTransport );
          inspect( dataTypeOrTransport );
          return false;
        } else if ( seekingTransport ) {
          return !( selected = dataTypeOrTransport );
        }
      } );
      return selected;
    }

    return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }

// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
  function ajaxExtend( target, src ) {
    var key, deep,
      flatOptions = jQuery.ajaxSettings.flatOptions || {};

    for ( key in src ) {
      if ( src[ key ] !== undefined ) {
        ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
      }
    }
    if ( deep ) {
      jQuery.extend( true, target, deep );
    }

    return target;
  }

  /* Handles responses to an ajax request:
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */
  function ajaxHandleResponses( s, jqXHR, responses ) {

    var ct, type, finalDataType, firstDataType,
      contents = s.contents,
      dataTypes = s.dataTypes;

    // Remove auto dataType and get content-type in the process
    while ( dataTypes[ 0 ] === "*" ) {
      dataTypes.shift();
      if ( ct === undefined ) {
        ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
      }
    }

    // Check if we're dealing with a known content-type
    if ( ct ) {
      for ( type in contents ) {
        if ( contents[ type ] && contents[ type ].test( ct ) ) {
          dataTypes.unshift( type );
          break;
        }
      }
    }

    // Check to see if we have a response for the expected dataType
    if ( dataTypes[ 0 ] in responses ) {
      finalDataType = dataTypes[ 0 ];
    } else {

      // Try convertible dataTypes
      for ( type in responses ) {
        if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
          finalDataType = type;
          break;
        }
        if ( !firstDataType ) {
          firstDataType = type;
        }
      }

      // Or just use first one
      finalDataType = finalDataType || firstDataType;
    }

    // If we found a dataType
    // We add the dataType to the list if needed
    // and return the corresponding response
    if ( finalDataType ) {
      if ( finalDataType !== dataTypes[ 0 ] ) {
        dataTypes.unshift( finalDataType );
      }
      return responses[ finalDataType ];
    }
  }

  /* Chain conversions given the request and the original response
   * Also sets the responseXXX fields on the jqXHR instance
   */
  function ajaxConvert( s, response, jqXHR, isSuccess ) {
    var conv2, current, conv, tmp, prev,
      converters = {},

    // Work with a copy of dataTypes in case we need to modify it for conversion
      dataTypes = s.dataTypes.slice();

    // Create converters map with lowercased keys
    if ( dataTypes[ 1 ] ) {
      for ( conv in s.converters ) {
        converters[ conv.toLowerCase() ] = s.converters[ conv ];
      }
    }

    current = dataTypes.shift();

    // Convert to each sequential dataType
    while ( current ) {

      if ( s.responseFields[ current ] ) {
        jqXHR[ s.responseFields[ current ] ] = response;
      }

      // Apply the dataFilter if provided
      if ( !prev && isSuccess && s.dataFilter ) {
        response = s.dataFilter( response, s.dataType );
      }

      prev = current;
      current = dataTypes.shift();

      if ( current ) {

        // There's only work to do if current dataType is non-auto
        if ( current === "*" ) {

          current = prev;

          // Convert response if prev dataType is non-auto and differs from current
        } else if ( prev !== "*" && prev !== current ) {

          // Seek a direct converter
          conv = converters[ prev + " " + current ] || converters[ "* " + current ];

          // If none found, seek a pair
          if ( !conv ) {
            for ( conv2 in converters ) {

              // If conv2 outputs current
              tmp = conv2.split( " " );
              if ( tmp[ 1 ] === current ) {

                // If prev can be converted to accepted input
                conv = converters[ prev + " " + tmp[ 0 ] ] ||
                  converters[ "* " + tmp[ 0 ] ];
                if ( conv ) {

                  // Condense equivalence converters
                  if ( conv === true ) {
                    conv = converters[ conv2 ];

                    // Otherwise, insert the intermediate dataType
                  } else if ( converters[ conv2 ] !== true ) {
                    current = tmp[ 0 ];
                    dataTypes.unshift( tmp[ 1 ] );
                  }
                  break;
                }
              }
            }
          }

          // Apply converter (if not an equivalence)
          if ( conv !== true ) {

            // Unless errors are allowed to bubble, catch and return them
            if ( conv && s.throws ) {
              response = conv( response );
            } else {
              try {
                response = conv( response );
              } catch ( e ) {
                return {
                  state: "parsererror",
                  error: conv ? e : "No conversion from " + prev + " to " + current
                };
              }
            }
          }
        }
      }
    }

    return { state: "success", data: response };
  }

  jQuery.extend( {

    // Counter for holding the number of active queries
    active: 0,

    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},

    ajaxSettings: {
      url: location.href,
      type: "GET",
      isLocal: rlocalProtocol.test( location.protocol ),
      global: true,
      processData: true,
      async: true,
      contentType: "application/x-www-form-urlencoded; charset=UTF-8",
      /*
       timeout: 0,
       data: null,
       dataType: null,
       username: null,
       password: null,
       cache: null,
       throws: false,
       traditional: false,
       headers: {},
       */

      accepts: {
        "*": allTypes,
        text: "text/plain",
        html: "text/html",
        xml: "application/xml, text/xml",
        json: "application/json, text/javascript"
      },

      contents: {
        xml: /\bxml\b/,
        html: /\bhtml/,
        json: /\bjson\b/
      },

      responseFields: {
        xml: "responseXML",
        text: "responseText",
        json: "responseJSON"
      },

      // Data converters
      // Keys separate source (or catchall "*") and destination types with a single space
      converters: {

        // Convert anything to text
        "* text": String,

        // Text to html (true = no transformation)
        "text html": true,

        // Evaluate text as a json expression
        "text json": jQuery.parseJSON,

        // Parse text as xml
        "text xml": jQuery.parseXML
      },

      // For options that shouldn't be deep extended:
      // you can add your own custom options here if
      // and when you create one that shouldn't be
      // deep extended (see ajaxExtend)
      flatOptions: {
        url: true,
        context: true
      }
    },

    // Creates a full fledged settings object into target
    // with both ajaxSettings and settings fields.
    // If target is omitted, writes into ajaxSettings.
    ajaxSetup: function( target, settings ) {
      return settings ?

        // Building a settings object
        ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :

        // Extending ajaxSettings
        ajaxExtend( jQuery.ajaxSettings, target );
    },

    ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
    ajaxTransport: addToPrefiltersOrTransports( transports ),

    // Main method
    ajax: function( url, options ) {

      // If url is an object, simulate pre-1.5 signature
      if ( typeof url === "object" ) {
        options = url;
        url = undefined;
      }

      // Force options to be an object
      options = options || {};

      var transport,

      // URL without anti-cache param
        cacheURL,

      // Response headers
        responseHeadersString,
        responseHeaders,

      // timeout handle
        timeoutTimer,

      // Url cleanup var
        urlAnchor,

      // To know if global events are to be dispatched
        fireGlobals,

      // Loop variable
        i,

      // Create the final options object
        s = jQuery.ajaxSetup( {}, options ),

      // Callbacks context
        callbackContext = s.context || s,

      // Context for global events is callbackContext if it is a DOM node or jQuery collection
        globalEventContext = s.context &&
        ( callbackContext.nodeType || callbackContext.jquery ) ?
          jQuery( callbackContext ) :
          jQuery.event,

      // Deferreds
        deferred = jQuery.Deferred(),
        completeDeferred = jQuery.Callbacks( "once memory" ),

      // Status-dependent callbacks
        statusCode = s.statusCode || {},

      // Headers (they are sent all at once)
        requestHeaders = {},
        requestHeadersNames = {},

      // The jqXHR state
        state = 0,

      // Default abort message
        strAbort = "canceled",

      // Fake xhr
        jqXHR = {
          readyState: 0,

          // Builds headers hashtable if needed
          getResponseHeader: function( key ) {
            var match;
            if ( state === 2 ) {
              if ( !responseHeaders ) {
                responseHeaders = {};
                while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
                  responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
                }
              }
              match = responseHeaders[ key.toLowerCase() ];
            }
            return match == null ? null : match;
          },

          // Raw string
          getAllResponseHeaders: function() {
            return state === 2 ? responseHeadersString : null;
          },

          // Caches the header
          setRequestHeader: function( name, value ) {
            var lname = name.toLowerCase();
            if ( !state ) {
              name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
              requestHeaders[ name ] = value;
            }
            return this;
          },

          // Overrides response content-type header
          overrideMimeType: function( type ) {
            if ( !state ) {
              s.mimeType = type;
            }
            return this;
          },

          // Status-dependent callbacks
          statusCode: function( map ) {
            var code;
            if ( map ) {
              if ( state < 2 ) {
                for ( code in map ) {

                  // Lazy-add the new callback in a way that preserves old ones
                  statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                }
              } else {

                // Execute the appropriate callbacks
                jqXHR.always( map[ jqXHR.status ] );
              }
            }
            return this;
          },

          // Cancel the request
          abort: function( statusText ) {
            var finalText = statusText || strAbort;
            if ( transport ) {
              transport.abort( finalText );
            }
            done( 0, finalText );
            return this;
          }
        };

      // Attach deferreds
      deferred.promise( jqXHR ).complete = completeDeferred.add;
      jqXHR.success = jqXHR.done;
      jqXHR.error = jqXHR.fail;

      // Remove hash character (#7531: and string promotion)
      // Add protocol if not provided (prefilters might expect it)
      // Handle falsy url in the settings object (#10093: consistency with old signature)
      // We also use the url parameter if available
      s.url = ( ( url || s.url || location.href ) + "" ).replace( rhash, "" )
        .replace( rprotocol, location.protocol + "//" );

      // Alias method option to type as per ticket #12004
      s.type = options.method || options.type || s.method || s.type;

      // Extract dataTypes list
      s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];

      // A cross-domain request is in order when the origin doesn't match the current origin.
      if ( s.crossDomain == null ) {
        urlAnchor = document.createElement( "a" );

        // Support: IE8-11+
        // IE throws exception if url is malformed, e.g. http://example.com:80x/
        try {
          urlAnchor.href = s.url;

          // Support: IE8-11+
          // Anchor's host property isn't correctly set when s.url is relative
          urlAnchor.href = urlAnchor.href;
          s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
            urlAnchor.protocol + "//" + urlAnchor.host;
        } catch ( e ) {

          // If there is an error parsing the URL, assume it is crossDomain,
          // it can be rejected by the transport if it is invalid
          s.crossDomain = true;
        }
      }

      // Convert data if not already a string
      if ( s.data && s.processData && typeof s.data !== "string" ) {
        s.data = jQuery.param( s.data, s.traditional );
      }

      // Apply prefilters
      inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

      // If request was aborted inside a prefilter, stop there
      if ( state === 2 ) {
        return jqXHR;
      }

      // We can fire global events as of now if asked to
      // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
      fireGlobals = jQuery.event && s.global;

      // Watch for a new set of requests
      if ( fireGlobals && jQuery.active++ === 0 ) {
        jQuery.event.trigger( "ajaxStart" );
      }

      // Uppercase the type
      s.type = s.type.toUpperCase();

      // Determine if request has content
      s.hasContent = !rnoContent.test( s.type );

      // Save the URL in case we're toying with the If-Modified-Since
      // and/or If-None-Match header later on
      cacheURL = s.url;

      // More options handling for requests with no content
      if ( !s.hasContent ) {

        // If data is available, append data to url
        if ( s.data ) {
          cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );

          // #9682: remove data so that it's not used in an eventual retry
          delete s.data;
        }

        // Add anti-cache in url if needed
        if ( s.cache === false ) {
          s.url = rts.test( cacheURL ) ?

            // If there is already a '_' parameter, set its value
            cacheURL.replace( rts, "$1_=" + nonce++ ) :

            // Otherwise add one to the end
          cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
        }
      }

      // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
      if ( s.ifModified ) {
        if ( jQuery.lastModified[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
        }
        if ( jQuery.etag[ cacheURL ] ) {
          jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
        }
      }

      // Set the correct header, if data is being sent
      if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
        jqXHR.setRequestHeader( "Content-Type", s.contentType );
      }

      // Set the Accepts header for the server, depending on the dataType
      jqXHR.setRequestHeader(
        "Accept",
        s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
        s.accepts[ s.dataTypes[ 0 ] ] +
        ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
          s.accepts[ "*" ]
      );

      // Check for headers option
      for ( i in s.headers ) {
        jqXHR.setRequestHeader( i, s.headers[ i ] );
      }

      // Allow custom headers/mimetypes and early abort
      if ( s.beforeSend &&
        ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {

        // Abort if not done already and return
        return jqXHR.abort();
      }

      // Aborting is no longer a cancellation
      strAbort = "abort";

      // Install callbacks on deferreds
      for ( i in { success: 1, error: 1, complete: 1 } ) {
        jqXHR[ i ]( s[ i ] );
      }

      // Get transport
      transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

      // If no transport, we auto-abort
      if ( !transport ) {
        done( -1, "No Transport" );
      } else {
        jqXHR.readyState = 1;

        // Send global event
        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
        }

        // If request was aborted inside ajaxSend, stop there
        if ( state === 2 ) {
          return jqXHR;
        }

        // Timeout
        if ( s.async && s.timeout > 0 ) {
          timeoutTimer = window.setTimeout( function() {
            jqXHR.abort( "timeout" );
          }, s.timeout );
        }

        try {
          state = 1;
          transport.send( requestHeaders, done );
        } catch ( e ) {

          // Propagate exception as error if not done
          if ( state < 2 ) {
            done( -1, e );

            // Simply rethrow otherwise
          } else {
            throw e;
          }
        }
      }

      // Callback for when everything is done
      function done( status, nativeStatusText, responses, headers ) {
        var isSuccess, success, error, response, modified,
          statusText = nativeStatusText;

        // Called once
        if ( state === 2 ) {
          return;
        }

        // State is "done" now
        state = 2;

        // Clear timeout if it exists
        if ( timeoutTimer ) {
          window.clearTimeout( timeoutTimer );
        }

        // Dereference transport for early garbage collection
        // (no matter how long the jqXHR object will be used)
        transport = undefined;

        // Cache response headers
        responseHeadersString = headers || "";

        // Set readyState
        jqXHR.readyState = status > 0 ? 4 : 0;

        // Determine if successful
        isSuccess = status >= 200 && status < 300 || status === 304;

        // Get response data
        if ( responses ) {
          response = ajaxHandleResponses( s, jqXHR, responses );
        }

        // Convert no matter what (that way responseXXX fields are always set)
        response = ajaxConvert( s, response, jqXHR, isSuccess );

        // If successful, handle type chaining
        if ( isSuccess ) {

          // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
          if ( s.ifModified ) {
            modified = jqXHR.getResponseHeader( "Last-Modified" );
            if ( modified ) {
              jQuery.lastModified[ cacheURL ] = modified;
            }
            modified = jqXHR.getResponseHeader( "etag" );
            if ( modified ) {
              jQuery.etag[ cacheURL ] = modified;
            }
          }

          // if no content
          if ( status === 204 || s.type === "HEAD" ) {
            statusText = "nocontent";

            // if not modified
          } else if ( status === 304 ) {
            statusText = "notmodified";

            // If we have data, let's convert it
          } else {
            statusText = response.state;
            success = response.data;
            error = response.error;
            isSuccess = !error;
          }
        } else {

          // Extract error from statusText and normalize for non-aborts
          error = statusText;
          if ( status || !statusText ) {
            statusText = "error";
            if ( status < 0 ) {
              status = 0;
            }
          }
        }

        // Set data for the fake xhr object
        jqXHR.status = status;
        jqXHR.statusText = ( nativeStatusText || statusText ) + "";

        // Success/Error
        if ( isSuccess ) {
          deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
        } else {
          deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
        }

        // Status-dependent callbacks
        jqXHR.statusCode( statusCode );
        statusCode = undefined;

        if ( fireGlobals ) {
          globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
            [ jqXHR, s, isSuccess ? success : error ] );
        }

        // Complete
        completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

        if ( fireGlobals ) {
          globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );

          // Handle the global AJAX counter
          if ( !( --jQuery.active ) ) {
            jQuery.event.trigger( "ajaxStop" );
          }
        }
      }

      return jqXHR;
    },

    getJSON: function( url, data, callback ) {
      return jQuery.get( url, data, callback, "json" );
    },

    getScript: function( url, callback ) {
      return jQuery.get( url, undefined, callback, "script" );
    }
  } );

  jQuery.each( [ "get", "post" ], function( i, method ) {
    jQuery[ method ] = function( url, data, callback, type ) {

      // Shift arguments if data argument was omitted
      if ( jQuery.isFunction( data ) ) {
        type = type || callback;
        callback = data;
        data = undefined;
      }

      // The url can be an options object (which then must have .url)
      return jQuery.ajax( jQuery.extend( {
        url: url,
        type: method,
        dataType: type,
        data: data,
        success: callback
      }, jQuery.isPlainObject( url ) && url ) );
    };
  } );


  jQuery._evalUrl = function( url ) {
    return jQuery.ajax( {
      url: url,

      // Make this explicit, since user can override this through ajaxSetup (#11264)
      type: "GET",
      dataType: "script",
      async: false,
      global: false,
      "throws": true
    } );
  };


  jQuery.fn.extend( {
    wrapAll: function( html ) {
      var wrap;

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

      if ( this[ 0 ] ) {

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

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

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

          while ( elem.firstElementChild ) {
            elem = elem.firstElementChild;
          }

          return elem;
        } ).append( this );
      }

      return this;
    },

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

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

        if ( contents.length ) {
          contents.wrapAll( html );

        } else {
          self.append( html );
        }
      } );
    },

    wrap: function( html ) {
      var isFunction = jQuery.isFunction( html );

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

    unwrap: function() {
      return this.parent().each( function() {
        if ( !jQuery.nodeName( this, "body" ) ) {
          jQuery( this ).replaceWith( this.childNodes );
        }
      } ).end();
    }
  } );


  jQuery.expr.filters.hidden = function( elem ) {
    return !jQuery.expr.filters.visible( elem );
  };
  jQuery.expr.filters.visible = function( elem ) {

    // Support: Opera <= 12.12
    // Opera reports offsetWidths and offsetHeights less than zero on some elements
    // Use OR instead of AND as the element is not visible if either is true
    // See tickets #10406 and #13132
    return elem.offsetWidth > 0 || elem.offsetHeight > 0 || elem.getClientRects().length > 0;
  };




  var r20 = /%20/g,
    rbracket = /\[\]$/,
    rCRLF = /\r?\n/g,
    rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
    rsubmittable = /^(?:input|select|textarea|keygen)/i;

  function buildParams( prefix, obj, traditional, add ) {
    var name;

    if ( jQuery.isArray( obj ) ) {

      // Serialize array item.
      jQuery.each( obj, function( i, v ) {
        if ( traditional || rbracket.test( prefix ) ) {

          // Treat each array item as a scalar.
          add( prefix, v );

        } else {

          // Item is non-scalar (array or object), encode its numeric index.
          buildParams(
            prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
            v,
            traditional,
            add
          );
        }
      } );

    } else if ( !traditional && jQuery.type( obj ) === "object" ) {

      // Serialize object item.
      for ( name in obj ) {
        buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
      }

    } else {

      // Serialize scalar item.
      add( prefix, obj );
    }
  }

// Serialize an array of form elements or a set of
// key/values into a query string
  jQuery.param = function( a, traditional ) {
    var prefix,
      s = [],
      add = function( key, value ) {

        // If value is a function, invoke it and return its value
        value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
        s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
      };

    // Set traditional to true for jQuery <= 1.3.2 behavior.
    if ( traditional === undefined ) {
      traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    }

    // If an array was passed in, assume that it is an array of form elements.
    if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {

      // Serialize the form elements
      jQuery.each( a, function() {
        add( this.name, this.value );
      } );

    } else {

      // If traditional, encode the "old" way (the way 1.3.2 or older
      // did it), otherwise encode params recursively.
      for ( prefix in a ) {
        buildParams( prefix, a[ prefix ], traditional, add );
      }
    }

    // Return the resulting serialization
    return s.join( "&" ).replace( r20, "+" );
  };

  jQuery.fn.extend( {
    serialize: function() {
      return jQuery.param( this.serializeArray() );
    },
    serializeArray: function() {
      return this.map( function() {

          // Can add propHook for "elements" to filter or add form elements
          var elements = jQuery.prop( this, "elements" );
          return elements ? jQuery.makeArray( elements ) : this;
        } )
        .filter( function() {
          var type = this.type;

          // Use .is( ":disabled" ) so that fieldset[disabled] works
          return this.name && !jQuery( this ).is( ":disabled" ) &&
            rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
            ( this.checked || !rcheckableType.test( type ) );
        } )
        .map( function( i, elem ) {
          var val = jQuery( this ).val();

          return val == null ?
            null :
            jQuery.isArray( val ) ?
              jQuery.map( val, function( val ) {
                return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
              } ) :
            { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
        } ).get();
    }
  } );


  jQuery.ajaxSettings.xhr = function() {
    try {
      return new window.XMLHttpRequest();
    } catch ( e ) {}
  };

  var xhrSuccessStatus = {

      // File protocol always yields status code 0, assume 200
      0: 200,

      // Support: IE9
      // #1450: sometimes IE returns 1223 when it should be 204
      1223: 204
    },
    xhrSupported = jQuery.ajaxSettings.xhr();

  support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  support.ajax = xhrSupported = !!xhrSupported;

  jQuery.ajaxTransport( function( options ) {
    var callback, errorCallback;

    // Cross domain only allowed if supported through XMLHttpRequest
    if ( support.cors || xhrSupported && !options.crossDomain ) {
      return {
        send: function( headers, complete ) {
          var i,
            xhr = options.xhr();

          xhr.open(
            options.type,
            options.url,
            options.async,
            options.username,
            options.password
          );

          // Apply custom fields if provided
          if ( options.xhrFields ) {
            for ( i in options.xhrFields ) {
              xhr[ i ] = options.xhrFields[ i ];
            }
          }

          // Override mime type if needed
          if ( options.mimeType && xhr.overrideMimeType ) {
            xhr.overrideMimeType( options.mimeType );
          }

          // X-Requested-With header
          // For cross-domain requests, seeing as conditions for a preflight are
          // akin to a jigsaw puzzle, we simply never set it to be sure.
          // (it can always be set on a per-request basis or even using ajaxSetup)
          // For same-domain requests, won't change header if already provided.
          if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
            headers[ "X-Requested-With" ] = "XMLHttpRequest";
          }

          // Set headers
          for ( i in headers ) {
            xhr.setRequestHeader( i, headers[ i ] );
          }

          // Callback
          callback = function( type ) {
            return function() {
              if ( callback ) {
                callback = errorCallback = xhr.onload =
                  xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;

                if ( type === "abort" ) {
                  xhr.abort();
                } else if ( type === "error" ) {

                  // Support: IE9
                  // On a manual native abort, IE9 throws
                  // errors on any property access that is not readyState
                  if ( typeof xhr.status !== "number" ) {
                    complete( 0, "error" );
                  } else {
                    complete(

                      // File: protocol always yields status 0; see #8605, #14207
                      xhr.status,
                      xhr.statusText
                    );
                  }
                } else {
                  complete(
                    xhrSuccessStatus[ xhr.status ] || xhr.status,
                    xhr.statusText,

                    // Support: IE9 only
                    // IE9 has no XHR2 but throws on binary (trac-11426)
                    // For XHR2 non-text, let the caller handle it (gh-2498)
                    ( xhr.responseType || "text" ) !== "text"  ||
                    typeof xhr.responseText !== "string" ?
                    { binary: xhr.response } :
                    { text: xhr.responseText },
                    xhr.getAllResponseHeaders()
                  );
                }
              }
            };
          };

          // Listen to events
          xhr.onload = callback();
          errorCallback = xhr.onerror = callback( "error" );

          // Support: IE9
          // Use onreadystatechange to replace onabort
          // to handle uncaught aborts
          if ( xhr.onabort !== undefined ) {
            xhr.onabort = errorCallback;
          } else {
            xhr.onreadystatechange = function() {

              // Check readyState before timeout as it changes
              if ( xhr.readyState === 4 ) {

                // Allow onerror to be called first,
                // but that will not handle a native abort
                // Also, save errorCallback to a variable
                // as xhr.onerror cannot be accessed
                window.setTimeout( function() {
                  if ( callback ) {
                    errorCallback();
                  }
                } );
              }
            };
          }

          // Create the abort callback
          callback = callback( "abort" );

          try {

            // Do send the request (this may raise an exception)
            xhr.send( options.hasContent && options.data || null );
          } catch ( e ) {

            // #14683: Only rethrow if this hasn't been notified as an error yet
            if ( callback ) {
              throw e;
            }
          }
        },

        abort: function() {
          if ( callback ) {
            callback();
          }
        }
      };
    }
  } );




// Install script dataType
  jQuery.ajaxSetup( {
    accepts: {
      script: "text/javascript, application/javascript, " +
      "application/ecmascript, application/x-ecmascript"
    },
    contents: {
      script: /\b(?:java|ecma)script\b/
    },
    converters: {
      "text script": function( text ) {
        jQuery.globalEval( text );
        return text;
      }
    }
  } );

// Handle cache's special case and crossDomain
  jQuery.ajaxPrefilter( "script", function( s ) {
    if ( s.cache === undefined ) {
      s.cache = false;
    }
    if ( s.crossDomain ) {
      s.type = "GET";
    }
  } );

// Bind script tag hack transport
  jQuery.ajaxTransport( "script", function( s ) {

    // This transport only deals with cross domain requests
    if ( s.crossDomain ) {
      var script, callback;
      return {
        send: function( _, complete ) {
          script = jQuery( "<script>" ).prop( {
            charset: s.scriptCharset,
            src: s.url
          } ).on(
            "load error",
            callback = function( evt ) {
              script.remove();
              callback = null;
              if ( evt ) {
                complete( evt.type === "error" ? 404 : 200, evt.type );
              }
            }
          );

          // Use native DOM manipulation to avoid our domManip AJAX trickery
          document.head.appendChild( script[ 0 ] );
        },
        abort: function() {
          if ( callback ) {
            callback();
          }
        }
      };
    }
  } );




  var oldCallbacks = [],
    rjsonp = /(=)\?(?=&|$)|\?\?/;

// Default jsonp settings
  jQuery.ajaxSetup( {
    jsonp: "callback",
    jsonpCallback: function() {
      var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
      this[ callback ] = true;
      return callback;
    }
  } );

// Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

    var callbackName, overwritten, responseContainer,
      jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
            "url" :
          typeof s.data === "string" &&
          ( s.contentType || "" )
            .indexOf( "application/x-www-form-urlencoded" ) === 0 &&
          rjsonp.test( s.data ) && "data"
        );

    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

      // Get callback name, remembering preexisting value associated with it
      callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
        s.jsonpCallback() :
        s.jsonpCallback;

      // Insert callback into url or form data
      if ( jsonProp ) {
        s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
      } else if ( s.jsonp !== false ) {
        s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
      }

      // Use data converter to retrieve json after script execution
      s.converters[ "script json" ] = function() {
        if ( !responseContainer ) {
          jQuery.error( callbackName + " was not called" );
        }
        return responseContainer[ 0 ];
      };

      // Force json dataType
      s.dataTypes[ 0 ] = "json";

      // Install callback
      overwritten = window[ callbackName ];
      window[ callbackName ] = function() {
        responseContainer = arguments;
      };

      // Clean-up function (fires after converters)
      jqXHR.always( function() {

        // If previous value didn't exist - remove it
        if ( overwritten === undefined ) {
          jQuery( window ).removeProp( callbackName );

          // Otherwise restore preexisting value
        } else {
          window[ callbackName ] = overwritten;
        }

        // Save back as free
        if ( s[ callbackName ] ) {

          // Make sure that re-using the options doesn't screw things around
          s.jsonpCallback = originalSettings.jsonpCallback;

          // Save the callback name for future use
          oldCallbacks.push( callbackName );
        }

        // Call if it was a function and we have a response
        if ( responseContainer && jQuery.isFunction( overwritten ) ) {
          overwritten( responseContainer[ 0 ] );
        }

        responseContainer = overwritten = undefined;
      } );

      // Delegate to script
      return "script";
    }
  } );




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

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

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

    parsed = buildFragment( [ data ], context, scripts );

    if ( scripts && scripts.length ) {
      jQuery( scripts ).remove();
    }

    return jQuery.merge( [], parsed.childNodes );
  };


// Keep a copy of the old load method
  var _load = jQuery.fn.load;

  /**
   * Load a url into a page
   */
  jQuery.fn.load = function( url, params, callback ) {
    if ( typeof url !== "string" && _load ) {
      return _load.apply( this, arguments );
    }

    var selector, type, response,
      self = this,
      off = url.indexOf( " " );

    if ( off > -1 ) {
      selector = jQuery.trim( url.slice( off ) );
      url = url.slice( 0, off );
    }

    // If it's a function
    if ( jQuery.isFunction( params ) ) {

      // We assume that it's the callback
      callback = params;
      params = undefined;

      // Otherwise, build a param string
    } else if ( params && typeof params === "object" ) {
      type = "POST";
    }

    // If we have elements to modify, make the request
    if ( self.length > 0 ) {
      jQuery.ajax( {
        url: url,

        // If "type" variable is undefined, then "GET" method will be used.
        // Make value of this field explicit since
        // user can override it through ajaxSetup method
        type: type || "GET",
        dataType: "html",
        data: params
      } ).done( function( responseText ) {

        // Save response for use in complete callback
        response = arguments;

        self.html( selector ?

          // If a selector was specified, locate the right elements in a dummy div
          // Exclude scripts to avoid IE 'Permission Denied' errors
          jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :

          // Otherwise use the full result
          responseText );

        // If the request succeeds, this function gets "data", "status", "jqXHR"
        // but they are ignored because response was set above.
        // If it fails, this function gets "jqXHR", "status", "error"
      } ).always( callback && function( jqXHR, status ) {
          self.each( function() {
            callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
          } );
        } );
    }

    return this;
  };




// Attach a bunch of functions for handling common AJAX events
  jQuery.each( [
    "ajaxStart",
    "ajaxStop",
    "ajaxComplete",
    "ajaxError",
    "ajaxSuccess",
    "ajaxSend"
  ], function( i, type ) {
    jQuery.fn[ type ] = function( fn ) {
      return this.on( type, fn );
    };
  } );




  jQuery.expr.filters.animated = function( elem ) {
    return jQuery.grep( jQuery.timers, function( fn ) {
      return elem === fn.elem;
    } ).length;
  };




  /**
   * Gets a window from an element
   */
  function getWindow( elem ) {
    return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
  }

  jQuery.offset = {
    setOffset: function( elem, options, i ) {
      var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
        position = jQuery.css( elem, "position" ),
        curElem = jQuery( elem ),
        props = {};

      // Set position first, in-case top/left are set even on static elem
      if ( position === "static" ) {
        elem.style.position = "relative";
      }

      curOffset = curElem.offset();
      curCSSTop = jQuery.css( elem, "top" );
      curCSSLeft = jQuery.css( elem, "left" );
      calculatePosition = ( position === "absolute" || position === "fixed" ) &&
        ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;

      // Need to be able to calculate position if either
      // top or left is auto and position is either absolute or fixed
      if ( calculatePosition ) {
        curPosition = curElem.position();
        curTop = curPosition.top;
        curLeft = curPosition.left;

      } else {
        curTop = parseFloat( curCSSTop ) || 0;
        curLeft = parseFloat( curCSSLeft ) || 0;
      }

      if ( jQuery.isFunction( options ) ) {

        // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
        options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
      }

      if ( options.top != null ) {
        props.top = ( options.top - curOffset.top ) + curTop;
      }
      if ( options.left != null ) {
        props.left = ( options.left - curOffset.left ) + curLeft;
      }

      if ( "using" in options ) {
        options.using.call( elem, props );

      } else {
        curElem.css( props );
      }
    }
  };

  jQuery.fn.extend( {
    offset: function( options ) {
      if ( arguments.length ) {
        return options === undefined ?
          this :
          this.each( function( i ) {
            jQuery.offset.setOffset( this, options, i );
          } );
      }

      var docElem, win,
        elem = this[ 0 ],
        box = { top: 0, left: 0 },
        doc = elem && elem.ownerDocument;

      if ( !doc ) {
        return;
      }

      docElem = doc.documentElement;

      // Make sure it's not a disconnected DOM node
      if ( !jQuery.contains( docElem, elem ) ) {
        return box;
      }

      box = elem.getBoundingClientRect();
      win = getWindow( doc );
      return {
        top: box.top + win.pageYOffset - docElem.clientTop,
        left: box.left + win.pageXOffset - docElem.clientLeft
      };
    },

    position: function() {
      if ( !this[ 0 ] ) {
        return;
      }

      var offsetParent, offset,
        elem = this[ 0 ],
        parentOffset = { top: 0, left: 0 };

      // Fixed elements are offset from window (parentOffset = {top:0, left: 0},
      // because it is its only offset parent
      if ( jQuery.css( elem, "position" ) === "fixed" ) {

        // Assume getBoundingClientRect is there when computed position is fixed
        offset = elem.getBoundingClientRect();

      } else {

        // Get *real* offsetParent
        offsetParent = this.offsetParent();

        // Get correct offsets
        offset = this.offset();
        if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
          parentOffset = offsetParent.offset();
        }

        // Add offsetParent borders
        parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
        parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
      }

      // Subtract parent offsets and element margins
      return {
        top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
        left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
      };
    },

    // This method will return documentElement in the following cases:
    // 1) For the element inside the iframe without offsetParent, this method will return
    //    documentElement of the parent window
    // 2) For the hidden or detached element
    // 3) For body or html element, i.e. in case of the html node - it will return itself
    //
    // but those exceptions were never presented as a real life use-cases
    // and might be considered as more preferable results.
    //
    // This logic, however, is not guaranteed and can change at any point in the future
    offsetParent: function() {
      return this.map( function() {
        var offsetParent = this.offsetParent;

        while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
          offsetParent = offsetParent.offsetParent;
        }

        return offsetParent || documentElement;
      } );
    }
  } );

// Create scrollLeft and scrollTop methods
  jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
    var top = "pageYOffset" === prop;

    jQuery.fn[ method ] = function( val ) {
      return access( this, function( elem, method, val ) {
        var win = getWindow( elem );

        if ( val === undefined ) {
          return win ? win[ prop ] : elem[ method ];
        }

        if ( win ) {
          win.scrollTo(
            !top ? val : win.pageXOffset,
            top ? val : win.pageYOffset
          );

        } else {
          elem[ method ] = val;
        }
      }, method, val, arguments.length );
    };
  } );

// Support: Safari<7-8+, Chrome<37-44+
// Add the top/left cssHooks using jQuery.fn.position
// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
// Blink bug: https://code.google.com/p/chromium/issues/detail?id=229280
// getComputedStyle returns percent when specified for top/left/bottom/right;
// rather than make the css module depend on the offset module, just check for it here
  jQuery.each( [ "top", "left" ], function( i, prop ) {
    jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
      function( elem, computed ) {
        if ( computed ) {
          computed = curCSS( elem, prop );

          // If curCSS returns percentage, fallback to offset
          return rnumnonpx.test( computed ) ?
          jQuery( elem ).position()[ prop ] + "px" :
            computed;
        }
      }
    );
  } );


// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
    jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
      function( defaultExtra, funcName ) {

        // Margin is only for outerHeight, outerWidth
        jQuery.fn[ funcName ] = function( margin, value ) {
          var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
            extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

          return access( this, function( elem, type, value ) {
            var doc;

            if ( jQuery.isWindow( elem ) ) {

              // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
              // isn't a whole lot we can do. See pull request at this URL for discussion:
              // https://github.com/jquery/jquery/pull/764
              return elem.document.documentElement[ "client" + name ];
            }

            // Get document width or height
            if ( elem.nodeType === 9 ) {
              doc = elem.documentElement;

              // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
              // whichever is greatest
              return Math.max(
                elem.body[ "scroll" + name ], doc[ "scroll" + name ],
                elem.body[ "offset" + name ], doc[ "offset" + name ],
                doc[ "client" + name ]
              );
            }

            return value === undefined ?

              // Get width or height on the element, requesting but not forcing parseFloat
              jQuery.css( elem, type, extra ) :

              // Set width or height on the element
              jQuery.style( elem, type, value, extra );
          }, type, chainable ? margin : undefined, chainable, null );
        };
      } );
  } );


  jQuery.fn.extend( {

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

    delegate: function( selector, types, data, fn ) {
      return this.on( types, selector, data, fn );
    },
    undelegate: function( selector, types, fn ) {

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

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




// Register as a named AMD module, since jQuery can be concatenated with other
// files that may use define, but not via a proper concatenation script that
// understands anonymous AMD modules. A named AMD is safest and most robust
// way to register. Lowercase jquery is used because AMD module names are
// derived from file names, and jQuery is normally delivered in a lowercase
// file name. Do this after creating the global so that if an AMD module wants
// to call noConflict to hide this version of jQuery, it will work.

// Note that for maximum portability, libraries that are not jQuery should
// declare themselves as anonymous modules, and avoid setting a global if an
// AMD loader is present. jQuery is a special case. For more information, see
// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon

  if ( typeof define === "function" && define.amd ) {
    define( "jquery", [], function() {
      return jQuery;
    } );
  }



  var

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

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

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

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

    return jQuery;
  };

// Expose jQuery and $ identifiers, even in AMD
// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
// and CommonJS for browser emulators (#13566)
  if ( !noGlobal ) {
    window.jQuery = window.$ = jQuery;
  }

  return jQuery;
}));
