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bower_components/jquery/jquery.js

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/*!
 * jQuery JavaScript Library v2.0.3
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2013-07-03T13:30Z
 */
(function( window, undefined ) {

// Can't do this because several apps including ASP.NET trace
// the stack via arguments.caller.callee and Firefox dies if
// you try to trace through "use strict" call chains. (#13335)
// Support: Firefox 18+
//"use strict";
var
    // A central reference to the root jQuery(document)
    rootjQuery,

    // The deferred used on DOM ready
    readyList,

    // Support: IE9
    // For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
    core_strundefined = typeof undefined,

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

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

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

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

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

    core_version = "2.0.3",

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

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

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

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

    // 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-]*))$/,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                    return this;

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

                    // Check parentNode to catch when Blackberry 4.6 returns
                    // nodes that are no longer in the document #6963
                    if ( elem && elem.parentNode ) {
                        // Inject the element directly into the jQuery object
                        this.length = 1;
                        this[0] = elem;
                    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        return this;
    },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // Return the modified object
    return target;
};

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

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

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

        return jQuery;
    },

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

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

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

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

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

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

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

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

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

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

    isArray: Array.isArray,

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

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

    type: function( obj ) {
        if ( obj == null ) {
            return String( obj );
        }
        // Support: Safari <= 5.1 (functionish RegExp)
        return typeof obj === "object" || typeof obj === "function" ?
            class2type[ core_toString.call(obj) ] || "object" :
            typeof obj;
    },

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

        // Support: Firefox <20
        // The try/catch suppresses exceptions thrown when attempting to access
        // the "constructor" property of certain host objects, ie. |window.location|
        // https://bugzilla.mozilla.org/show_bug.cgi?id=814622
        try {
            if ( obj.constructor &&
                    !core_hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
                return false;
            }
        } catch ( e ) {
            return false;
        }

        // If the function hasn't returned already, we're confident that
        // |obj| is a plain object, created by {} or constructed with new Object
        return true;
    },

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

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

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

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

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

        parsed = jQuery.buildFragment( [ data ], context, scripts );

        if ( scripts ) {
            jQuery( scripts ).remove();
        }

        return jQuery.merge( [], parsed.childNodes );
    },

    parseJSON: JSON.parse,

    // Cross-browser xml parsing
    parseXML: function( data ) {
        var xml, tmp;
        if ( !data || typeof data !== "string" ) {
            return null;
        }

        // Support: IE9
        try {
            tmp = new DOMParser();
            xml = tmp.parseFromString( data , "text/xml" );
        } catch ( e ) {
            xml = undefined;
        }

        if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
            jQuery.error( "Invalid XML: " + data );
        }
        return xml;
    },

    noop: function() {},

    // 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
    // Microsoft forgot to hump their vendor prefix (#9572)
    camelCase: function( string ) {
        return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
    },

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

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

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

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

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

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

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

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

        return obj;
    },

    trim: function( text ) {
        return text == null ? "" : core_trim.call( text );
    },

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

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

        return ret;
    },

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

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

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

        first.length = i;

        return first;
    },

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

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

        return ret;
    },

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

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

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

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

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

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

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

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

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

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

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

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

        return proxy;
    },

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

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

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

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

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

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

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

        return chainable ?
            elems :

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

    now: Date.now,

    // A method for quickly swapping in/out CSS properties to get correct calculations.
    // Note: this method belongs to the css module but it's needed here for the support module.
    // If support gets modularized, this method should be moved back to the css module.
    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;
    }
});

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

        readyList = jQuery.Deferred();

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

        } else {

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

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

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

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

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

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

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

// All jQuery objects should point back to these
rootjQuery = jQuery(document);
/*!
 * Sizzle CSS Selector Engine v1.9.4-pre
 * http://sizzlejs.com/
 *
 * Copyright 2013 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2013-06-03
 */
(function( window, undefined ) {

var i,
    support,
    cachedruns,
    Expr,
    getText,
    isXML,
    compile,
    outermostContext,
    sortInput,

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

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

    // General-purpose constants
    strundefined = typeof undefined,
    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 if we can't use a native one
    indexOf = arr.indexOf || function( elem ) {
        var i = 0,
            len = this.length;
        for ( ; i < len; i++ ) {
            if ( this[i] === elem ) {
                return i;
            }
        }
        return -1;
    },

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

    // Regular expressions

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

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

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

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

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

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

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

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

    matchExpr = {
        "ID": new RegExp( "^#(" + characterEncoding + ")" ),
        "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
        "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
        "ATTR": new RegExp( "^" + attributes ),
        "PSEUDO": new RegExp( "^" + pseudos ),
        "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
            "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
            "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
        "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" )
    },

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

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

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

    rescape = /'|\\/g,

    // 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
        // Workaround erroneous numeric interpretation of +"0x"
        return high !== high || escapedWhitespace ?
            escaped :
            // BMP codepoint
            high < 0 ?
                String.fromCharCode( high + 0x10000 ) :
                // Supplemental Plane codepoint (surrogate pair)
                String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
    };

// 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 match, elem, m, nodeType,
        // QSA vars
        i, groups, old, nid, newContext, newSelector;

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

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

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

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

    if ( documentIsHTML && !seed ) {

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

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

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

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

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

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

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

            if ( newSelector ) {
                try {
                    push.apply( results,
                        newContext.querySelectorAll( newSelector )
                    );
                    return results;
                } catch(qsaError) {
                } finally {
                    if ( !old ) {
                        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 = attrs.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]);
                }
            }
        });
    });
}

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

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

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

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

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

    // Support tests
    documentIsHTML = !isXML( doc );

    // Support: IE>8
    // If iframe document is assigned to "document" variable and if iframe has been reloaded,
    // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
    // IE6-8 do not support the defaultView property so parent will be undefined
    if ( parent && parent.attachEvent && parent !== parent.top ) {
        parent.attachEvent( "onbeforeunload", function() {
            setDocument();
        });
    }

    /* 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( doc.createComment("") );
        return !div.getElementsByTagName("*").length;
    });

    // Check if getElementsByClassName can be trusted
    support.getElementsByClassName = assert(function( div ) {
        div.innerHTML = "<div class='a'></div><div class='a i'></div>";

        // Support: Safari<4
        // Catch class over-caching
        div.firstChild.className = "i";
        // Support: Opera<10
        // Catch gEBCN failure to find non-leading classes
        return div.getElementsByClassName("i").length === 2;
    });

    // 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 !doc.getElementsByName || !doc.getElementsByName( expando ).length;
    });

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

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

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

                return tmp;
            }
            return results;
        };

    // Class
    Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
        if ( typeof context.getElementsByClassName !== strundefined && 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( doc.querySelectorAll )) ) {
        // Build QSA regex
        // Regex strategy adopted from Diego Perini
        assert(function( div ) {
            // Select is set to empty string on purpose
            // This is to test IE's treatment of not explicitly
            // setting a boolean content attribute,
            // since its presence should be enough
            // http://bugs.jquery.com/ticket/12359
            div.innerHTML = "<select><option selected=''></option></select>";

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

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

        assert(function( div ) {

            // Support: Opera 10-12/IE8
            // ^= $= *= and empty values
            // Should not select anything
            // Support: Windows 8 Native Apps
            // The type attribute is restricted during .innerHTML assignment
            var input = doc.createElement("input");
            input.setAttribute( "type", "hidden" );
            div.appendChild( input ).setAttribute( "t", "" );

            if ( div.querySelectorAll("[t^='']").length ) {
                rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
            }

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

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

    if ( (support.matchesSelector = rnative.test( (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
    ---------------------------------------------------------------------- */

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

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

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

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

        var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b );

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

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

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

            return compare & 4 ? -1 : 1;
        }

        // Not directly comparable, sort on existence of method
        return a.compareDocumentPosition ? -1 : 1;
    } :
    function( a, b ) {
        var cur,
            i = 0,
            aup = a.parentNode,
            bup = b.parentNode,
            ap = [ a ],
            bp = [ b ];

        // Exit early if the nodes are identical
        if ( a === b ) {
            hasDuplicate = true;
            return 0;

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

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

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 );
        }
    }

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

    return ret;
};

Expr = Sizzle.selectors = {

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

    createPseudo: markFunction,

    match: matchExpr,

    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[4] || match[5] || "" ).replace( runescape, funescape );

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

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

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

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

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

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

            return match;
        },

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

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

            // Accept quoted arguments as-is
            if ( match[3] && match[4] !== undefined ) {
                match[2] = match[4];

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

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

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

    filter: {

        "TAG": function( 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 !== strundefined && elem.getAttribute("class") || "" );
                });
        },

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

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

                result += "";

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

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

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

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

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

                    if ( parent ) {

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            return fn;
        }
    },

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

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

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

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

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

        // "Whether an element is represented by a :lang() selector
        // is based solely on the element's language value
        // being equal to the identifier C,
        // or beginning with the identifier C immediately followed by "-".
        // The matching of C against the element's language value is performed case-insensitively.
        // The identifier C does not have to be a valid language name."
        // http://www.w3.org/TR/selectors/#lang-pseudo
        "lang": markFunction( function( lang ) {
            // lang value must be a valid 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 only affected by element nodes and content nodes(including text(3), cdata(4)),
            //   not comment, processing instructions, or others
            // Thanks to Diego Perini for the nodeName shortcut
            //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
            for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
                if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
                    return false;
                }
            }
            return true;
        },

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

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

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

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

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

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

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

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

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

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

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

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

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();

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

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

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

    while ( soFar ) {

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

        matched = false;

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

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

        if ( !matched ) {
            break;
        }
    }

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

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

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

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

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

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

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

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

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

    return newUnmatched;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            // Return special upon seeing a positional matcher
            if ( matcher[ expando ] ) {
                // Find the next relative operator (if any) for proper handling
                j = ++i;
                for ( ; j < len; j++ ) {
                    if ( Expr.relative[ tokens[j].type ] ) {
                        break;
                    }
                }
                return setMatcher(
                    i > 1 && elementMatcher( matchers ),
                    i > 1 && toSelector(
                        // 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 ) {
    // A counter to specify which element is currently being matched
    var matcherCachedRuns = 0,
        bySet = setMatchers.length > 0,
        byElement = elementMatchers.length > 0,
        superMatcher = function( seed, context, xml, results, expandContext ) {
            var elem, j, matcher,
                setMatched = [],
                matchedCount = 0,
                i = "0",
                unmatched = seed && [],
                outermost = expandContext != null,
                contextBackup = outermostContext,
                // We must always have either seed elements or context
                elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
                // Use integer dirruns iff this is the outermost matcher
                dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);

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

            // Add elements passing elementMatchers directly to results
            // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
            for ( ; (elem = elems[i]) != null; i++ ) {
                if ( byElement && elem ) {
                    j = 0;
                    while ( (matcher = elementMatchers[j++]) ) {
                        if ( matcher( elem, context, xml ) ) {
                            results.push( elem );
                            break;
                        }
                    }
                    if ( outermost ) {
                        dirruns = dirrunsUnique;
                        cachedruns = ++matcherCachedRuns;
                    }
                }

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

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

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

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

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

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

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

                    Sizzle.uniqueSort( results );
                }
            }

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

            return unmatched;
        };

    return bySet ?
        markFunction( superMatcher ) :
        superMatcher;
}

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

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

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

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

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

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

            // Take a shortcut and set the context if the root selector is an ID
            tokens = match[0] = match[0].slice( 0 );
            if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
                    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;
                }
                selector = selector.slice( tokens.shift().value.length );
            }

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

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

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

                        break;
                    }
                }
            }
        }
    }

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

// One-time assignments

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

// Support: Chrome<14
// 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 (val = elem.getAttributeNode( name )) && val.specified ?
                val.value :
                elem[ name ] === true ? name.toLowerCase() : null;
        }
    });
}

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


})( window );
// String to Object options format cache
var optionsCache = {};

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

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

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

    var // Last fire value (for non-forgettable lists)
        memory,
        // Flag to know if list was already fired
        fired,
        // Flag to know if list is currently firing
        firing,
        // First callback to fire (used internally by add and fireWith)
        firingStart,
        // End of the loop when firing
        firingLength,
        // Index of currently firing callback (modified by remove if needed)
        firingIndex,
        // Actual callback list
        list = [],
        // Stack of fire calls for repeatable lists
        stack = !options.once && [],
        // Fire callbacks
        fire = function( data ) {
            memory = options.memory && data;
            fired = true;
            firingIndex = firingStart || 0;
            firingStart = 0;
            firingLength = list.length;
            firing = true;
            for ( ; list && firingIndex < firingLength; firingIndex++ ) {
                if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
                    memory = false; // To prevent further calls using add
                    break;
                }
            }
            firing = false;
            if ( list ) {
                if ( stack ) {
                    if ( stack.length ) {
                        fire( stack.shift() );
                    }
                } else if ( memory ) {
                    list = [];
                } else {
                    self.disable();
                }
            }
        },
        // Actual Callbacks object
        self = {
            // Add a callback or a collection of callbacks to the list
            add: function() {
                if ( list ) {
                    // First, we save the current length
                    var start = list.length;
                    (function add( args ) {
                        jQuery.each( args, function( _, arg ) {
                            var type = jQuery.type( arg );
                            if ( type === "function" ) {
                                if ( !options.unique || !self.has( arg ) ) {
                                    list.push( arg );
                                }
                            } else if ( arg && arg.length && type !== "string" ) {
                                // Inspect recursively
                                add( arg );
                            }
                        });
                    })( arguments );
                    // Do we need to add the callbacks to the
                    // current firing batch?
                    if ( firing ) {
                        firingLength = list.length;
                    // With memory, if we're not firing then
                    // we should call right away
                    } else if ( memory ) {
                        firingStart = start;
                        fire( memory );
                    }
                }
                return this;
            },
            // Remove a callback from the list
            remove: function() {
                if ( list ) {
                    jQuery.each( arguments, function( _, arg ) {
                        var index;
                        while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
                            list.splice( index, 1 );
                            // Handle firing indexes
                            if ( firing ) {
                                if ( index <= firingLength ) {
                                    firingLength--;
                                }
                                if ( index <= firingIndex ) {
                                    firingIndex--;
                                }
                            }
                        }
                    });
                }
                return this;
            },
            // Check if a given callback is in the list.
            // If no argument is given, return whether or not list has callbacks attached.
            has: function( fn ) {
                return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
            },
            // Remove all callbacks from the list
            empty: function() {
                list = [];
                firingLength = 0;
                return this;
            },
            // Have the list do nothing anymore
            disable: function() {
                list = stack = memory = undefined;
                return this;
            },
            // Is it disabled?
            disabled: function() {
                return !list;
            },
            // Lock the list in its current state
            lock: function() {
                stack = undefined;
                if ( !memory ) {
                    self.disable();
                }
                return this;
            },
            // Is it locked?
            locked: function() {
                return !stack;
            },
            // Call all callbacks with the given context and arguments
            fireWith: function( context, args ) {
                if ( list && ( !fired || stack ) ) {
                    args = args || [];
                    args = [ context, args.slice ? args.slice() : args ];
                    if ( firing ) {
                        stack.push( args );
                    } else {
                        fire( args );
                    }
                }
                return this;
            },
            // Call all the callbacks with the given arguments
            fire: function() {
                self.fireWith( this, arguments );
                return this;
            },
            // To know if the callbacks have already been called at least once
            fired: function() {
                return !!fired;
            }
        };

    return self;
};
jQuery.extend({

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

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

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

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

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

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

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

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

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

        // All done!
        return deferred;
    },

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

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

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

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

            progressValues, progressContexts, resolveContexts;

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

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

        return deferred.promise();
    }
});
jQuery.support = (function( support ) {
    var input = document.createElement("input"),
        fragment = document.createDocumentFragment(),
        div = document.createElement("div"),
        select = document.createElement("select"),
        opt = select.appendChild( document.createElement("option") );

    // Finish early in limited environments
    if ( !input.type ) {
        return support;
    }

    input.type = "checkbox";

    // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
    // Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere)
    support.checkOn = input.value !== "";

    // Must access the parent to make an option select properly
    // Support: IE9, IE10
    support.optSelected = opt.selected;

    // Will be defined later
    support.reliableMarginRight = true;
    support.boxSizingReliable = true;
    support.pixelPosition = false;

    // Make sure checked status is properly cloned
    // Support: IE9, IE10
    input.checked = true;
    support.noCloneChecked = input.cloneNode( true ).checked;

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

    // Check if an input maintains its value after becoming a radio
    // Support: IE9, IE10
    input = document.createElement("input");
    input.value = "t";
    input.type = "radio";
    support.radioValue = input.value === "t";

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

    fragment.appendChild( input );

    // Support: Safari 5.1, Android 4.x, Android 2.3
    // old WebKit doesn't clone checked state correctly in fragments
    support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;

    // Support: Firefox, Chrome, Safari
    // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
    support.focusinBubbles = "onfocusin" in window;

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

    // Run tests that need a body at doc ready
    jQuery(function() {
        var container, marginDiv,
            // Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
            divReset = "padding:0;margin:0;border:0;display:block;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box",
            body = document.getElementsByTagName("body")[ 0 ];

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

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

        // Check box-sizing and margin behavior.
        body.appendChild( container ).appendChild( div );
        div.innerHTML = "";
        // Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
        div.style.cssText = "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%";

        // Workaround failing boxSizing test due to offsetWidth returning wrong value
        // with some non-1 values of body zoom, ticket #13543
        jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
            support.boxSizing = div.offsetWidth === 4;
        });

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

            // 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
            marginDiv = div.appendChild( document.createElement("div") );
            marginDiv.style.cssText = div.style.cssText = divReset;
            marginDiv.style.marginRight = marginDiv.style.width = "0";
            div.style.width = "1px";

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

        body.removeChild( container );
    });

    return support;
})( {} );

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

function Data() {
    // Support: Android < 4,
    // Old WebKit does not have Object.preventExtensions/freeze method,
    // return new empty object instead with no [[set]] accessor
    Object.defineProperty( this.cache = {}, 0, {
        get: function() {
            return {};
        }
    });

    this.expando = jQuery.expando + Math.random();
}

Data.uid = 1;

Data.accepts = function( owner ) {
    // Accepts only:
    //  - Node
    //    - Node.ELEMENT_NODE
    //    - Node.DOCUMENT_NODE
    //  - Object
    //    - Any
    return owner.nodeType ?
        owner.nodeType === 1 || owner.nodeType === 9 : true;
};

Data.prototype = {
    key: function( owner ) {
        // We can accept data for non-element nodes in modern browsers,
        // but we should not, see #8335.
        // Always return the key for a frozen object.
        if ( !Data.accepts( owner ) ) {
            return 0;
        }

        var descriptor = {},
            // Check if the owner object already has a cache key
            unlock = owner[ this.expando ];

        // If not, create one
        if ( !unlock ) {
            unlock = Data.uid++;

            // Secure it in a non-enumerable, non-writable property
            try {
                descriptor[ this.expando ] = { value: unlock };
                Object.defineProperties( owner, descriptor );

            // Support: Android < 4
            // Fallback to a less secure definition
            } catch ( e ) {
                descriptor[ this.expando ] = unlock;
                jQuery.extend( owner, descriptor );
            }
        }

        // Ensure the cache object
        if ( !this.cache[ unlock ] ) {
            this.cache[ unlock ] = {};
        }

        return unlock;
    },
    set: function( owner, data, value ) {
        var prop,
            // There may be an unlock assigned to this node,
            // if there is no entry for this "owner", create one inline
            // and set the unlock as though an owner entry had always existed
            unlock = this.key( owner ),
            cache = this.cache[ unlock ];

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

        // Handle: [ owner, { properties } ] args
        } else {
            // Fresh assignments by object are shallow copied
            if ( jQuery.isEmptyObject( cache ) ) {
                jQuery.extend( this.cache[ unlock ], data );
            // Otherwise, copy the properties one-by-one to the cache object
            } else {
                for ( prop in data ) {
                    cache[ prop ] = data[ prop ];
                }
            }
        }
        return cache;
    },
    get: function( owner, key ) {
        // Either a valid cache is found, or will be created.
        // New caches will be created and the unlock returned,
        // allowing direct access to the newly created
        // empty data object. A valid owner object must be provided.
        var cache = this.cache[ this.key( owner ) ];

        return key === undefined ?
            cache : cache[ 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,
            unlock = this.key( owner ),
            cache = this.cache[ unlock ];

        if ( key === undefined ) {
            this.cache[ unlock ] = {};

        } 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( core_rnotwhite ) || [] );
                }
            }

            i = name.length;
            while ( i-- ) {
                delete cache[ name[ i ] ];
            }
        }
    },
    hasData: function( owner ) {
        return !jQuery.isEmptyObject(
            this.cache[ owner[ this.expando ] ] || {}
        );
    },
    discard: function( owner ) {
        if ( owner[ this.expando ] ) {
            delete this.cache[ owner[ this.expando ] ];
        }
    }
};

// These may be used throughout the jQuery core codebase
data_user = new Data();
data_priv = new Data();


jQuery.extend({
    acceptData: Data.accepts,

    hasData: function( elem ) {
        return data_user.hasData( elem ) || data_priv.hasData( elem );
    },

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

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

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

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

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

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

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

                        if ( name.indexOf( "data-" ) === 0 ) {
                            name = jQuery.camelCase( name.slice(5) );
                            dataAttr( elem, name, data[ name ] );
                        }
                    }
                    data_priv.set( elem, "hasDataAttrs", true );
                }
            }

            return data;
        }

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

        return jQuery.access( this, function( value ) {
            var data,
                camelKey = jQuery.camelCase( key );

            // 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 = data_user.get( elem, key );
                if ( data !== undefined ) {
                    return data;
                }

                // Attempt to get data from the cache
                // with the key camelized
                data = data_user.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...
            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 = data_user.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...*
                data_user.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 ) {
                    data_user.set( this, key, value );
                }
            });
        }, null, value, arguments.length > 1, null, true );
    },

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

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, "-$1" ).toLowerCase();
        data = elem.getAttribute( name );

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

            // Make sure we set the data so it isn't changed later
            data_user.set( elem, key, data );
        } else {
            data = undefined;
        }
    }
    return data;
}
jQuery.extend({
    queue: function( elem, type, data ) {
        var queue;

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

            // Speed up dequeue by getting out quickly if this is just a lookup
            if ( data ) {
                if ( !queue || jQuery.isArray( data ) ) {
                    queue = data_priv.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 intended for public consumption - generates a queueHooks object, or returns the current one
    _queueHooks: function( elem, type ) {
        var key = type + "queueHooks";
        return data_priv.get( elem, key ) || data_priv.access( elem, key, {
            empty: jQuery.Callbacks("once memory").add(function() {
                data_priv.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 );
        });
    },
    // Based off of the plugin by Clint Helfers, with permission.
    // http://blindsignals.com/index.php/2009/07/jquery-delay/
    delay: function( time, type ) {
        time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
        type = type || "fx";

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

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

        while( i-- ) {
            tmp = data_priv.get( elements[ i ], type + "queueHooks" );
            if ( tmp && tmp.empty ) {
                count++;
                tmp.empty.add( resolve );
            }
        }
        resolve();
        return defer.promise( obj );
    }
});
var nodeHook, boolHook,
    rclass = /[\t\r\n\f]/g,
    rreturn = /\r/g,
    rfocusable = /^(?:input|select|textarea|button)$/i;

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

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

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

    removeProp: function( name ) {
        return this.each(function() {
            delete this[ jQuery.propFix[ name ] || name ];
        });
    },

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

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

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

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

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

                }
            }
        }

        return this;
    },

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

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

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

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

        return this;
    },

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

        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, this.className, stateVal), stateVal );
            });
        }

        return this.each(function() {
            if ( type === "string" ) {
                // toggle individual class names
                var className,
                    i = 0,
                    self = jQuery( this ),
                    classNames = value.match( core_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 ( type === core_strundefined || type === "boolean" ) {
                if ( this.className ) {
                    // store className if set
                    data_priv.set( this, "__className__", this.className );
                }

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

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

        return false;
    },

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

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

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

                ret = elem.value;

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

            return;
        }

        isFunction = jQuery.isFunction( value );

        return this.each(function( i ) {
            var val;

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

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

                    // IE6-9 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
                            ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
                            ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {

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

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

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

                return values;
            },

            set: function( elem, value ) {
                var optionSet, option,
                    options = elem.options,
                    values = jQuery.makeArray( value ),
                    i = options.length;

                while ( i-- ) {
                    option = options[ i ];
                    if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
                        optionSet = true;
                    }
                }

                // force browsers to behave consistently when non-matching value is set
                if ( !optionSet ) {
                    elem.selectedIndex = -1;
                }
                return values;
            }
        }
    },

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

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

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

        // 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 : nodeHook );
        }

        if ( value !== undefined ) {

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

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

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

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

        } else {
            ret = jQuery.find.attr( elem, name );

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

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

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

                // Boolean attributes get special treatment (#10870)
                if ( jQuery.expr.match.bool.test( name ) ) {
                    // Set corresponding property to false
                    elem[ propName ] = false;
                }

                elem.removeAttribute( name );
            }
        }
    },

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

    propFix: {
        "for": "htmlFor",
        "class": "className"
    },

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

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

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

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

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

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

    propHooks: {
        tabIndex: {
            get: function( elem ) {
                return elem.hasAttribute( "tabindex" ) || rfocusable.test( elem.nodeName ) || elem.href ?
                    elem.tabIndex :
                    -1;
            }
        }
    }
});

// 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 = jQuery.expr.attrHandle[ name ] || jQuery.find.attr;

    jQuery.expr.attrHandle[ name ] = function( elem, name, isXML ) {
        var fn = jQuery.expr.attrHandle[ name ],
            ret = isXML ?
                undefined :
                /* jshint eqeqeq: false */
                // Temporarily disable this handler to check existence
                (jQuery.expr.attrHandle[ name ] = undefined) !=
                    getter( elem, name, isXML ) ?

                    name.toLowerCase() :
                    null;

        // Restore handler
        jQuery.expr.attrHandle[ name ] = fn;

        return ret;
    };
});

// Support: IE9+
// Selectedness for an option in an optgroup can be inaccurate
if ( !jQuery.support.optSelected ) {
    jQuery.propHooks.selected = {
        get: function( elem ) {
            var parent = elem.parentNode;
            if ( parent && parent.parentNode ) {
                parent.parentNode.selectedIndex;
            }
            return null;
        }
    };
}

jQuery.each([
    "tabIndex",
    "readOnly",
    "maxLength",
    "cellSpacing",
    "cellPadding",
    "rowSpan",
    "colSpan",
    "useMap",
    "frameBorder",
    "contentEditable"
], function() {
    jQuery.propFix[ this.toLowerCase() ] = this;
});

// 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 ) >= 0 );
            }
        }
    };
    if ( !jQuery.support.checkOn ) {
        jQuery.valHooks[ this ].get = function( elem ) {
            // Support: Webkit
            // "" is returned instead of "on" if a value isn't specified
            return elem.getAttribute("value") === null ? "on" : elem.value;
        };
    }
});
var rkeyEvent = /^key/,
    rmouseEvent = /^(?:mouse|contextmenu)|click/,
    rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
    rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;

function returnTrue() {
    return true;
}

function returnFalse() {
    return false;
}

function safeActiveElement() {
    try {
        return document.activeElement;
    } catch ( err ) { }
}

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

        // Handle multiple events separated by a space
        types = ( types || "" ).match( core_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, false );
                    }
                }
            }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

                delete events[ type ];
            }
        }

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

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

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

        cur = tmp = elem = elem || document;

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

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

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

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

        // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
        event.isTrigger = onlyHandlers ? 2 : 3;
        event.namespace = namespaces.join(".");
        event.namespace_re = event.namespace ?
            new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
            null;

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

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

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

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

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

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

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

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

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

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

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

            if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
                jQuery.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;
    },

    dispatch: function( event ) {

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

        var i, j, ret, matched, handleObj,
            handlerQueue = [],
            args = core_slice.call( arguments ),
            handlers = ( data_priv.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.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {

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

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

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

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

        return event.result;
    },

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

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

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

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

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

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

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

        return handlerQueue;
    },

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

    fixHooks: {},

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

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

            return event;
        }
    },

    mouseHooks: {
        props: "button buttons clientX clientY 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.returnValue = event.result;
                }
            }
        }
    },

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

jQuery.removeEvent = function( elem, type, handle ) {
    if ( elem.removeEventListener ) {
        elem.removeEventListener( type, handle, false );
    }
};

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.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;

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

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

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

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

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

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

        this.isDefaultPrevented = returnTrue;

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

        this.isPropagationStopped = returnTrue;

        if ( e && e.stopPropagation ) {
            e.stopPropagation();
        }
    },
    stopImmediatePropagation: function() {
        this.isImmediatePropagationStopped = returnTrue;
        this.stopPropagation();
    }
};

// Create mouseenter/leave events using mouseover/out and event-time checks
// Support: Chrome 15+
jQuery.each({
    mouseenter: "mouseover",
    mouseleave: "mouseout"
}, function( orig, fix ) {
    jQuery.event.special[ orig ] = {
        delegateType: fix,
        bindType: fix,

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

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

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

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

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

jQuery.fn.extend({

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

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

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

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

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

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

        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;
    },

    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;
                }
            }
        });
    },

    not: function( selector ) {
        return this.pushStack( winnow(this, selector || [], true) );
    },

    filter: function( selector ) {
        return this.pushStack( winnow(this, selector || [], false) );
    },

    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;
    },

    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)) ) {

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

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

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

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

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

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

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

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

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

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

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 jQuery.dir( elem, "parentNode" );
    },
    parentsUntil: function( elem, i, until ) {
        return jQuery.dir( elem, "parentNode", until );
    },
    next: function( elem ) {
        return sibling( elem, "nextSibling" );
    },
    prev: function( elem ) {
        return sibling( elem, "previousSibling" );
    },
    nextAll: function( elem ) {
        return jQuery.dir( elem, "nextSibling" );
    },
    prevAll: function( elem ) {
        return jQuery.dir( elem, "previousSibling" );
    },
    nextUntil: function( elem, i, until ) {
        return jQuery.dir( elem, "nextSibling", until );
    },
    prevUntil: function( elem, i, until ) {
        return jQuery.dir( elem, "previousSibling", until );
    },
    siblings: function( elem ) {
        return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
    },
    children: function( elem ) {
        return jQuery.sibling( elem.firstChild );
    },
    contents: function( elem ) {
        return 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.unique( matched );
            }

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

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

jQuery.extend({
    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;
            }));
    },

    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;
    },

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

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

        return matched;
    }
});

// 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 ( isSimple.test( qualifier ) ) {
            return jQuery.filter( qualifier, elements, not );
        }

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

    return jQuery.grep( elements, function( elem ) {
        return ( core_indexOf.call( qualifier, elem ) >= 0 ) !== not;
    });
}
var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
    rtagName = /<([\w:]+)/,
    rhtml = /<|&#?\w+;/,
    rnoInnerhtml = /<(?:script|style|link)/i,
    manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
    // checked="checked" or checked
    rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    rscriptType = /^$|\/(?:java|ecma)script/i,
    rscriptTypeMasked = /^true\/(.*)/,
    rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,

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

        // Support: IE 9
        option: [ 1, "<select multiple='multiple'>", "</select>" ],

        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: IE 9
wrapMap.optgroup = wrapMap.option;

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

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

    append: function() {
        return this.domManip( arguments, function( elem ) {
            if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
                var target = manipulationTarget( this, elem );
                target.appendChild( elem );
            }
        });
    },

    prepend: function() {
        return this.domManip( 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 this.domManip( arguments, function( elem ) {
            if ( this.parentNode ) {
                this.parentNode.insertBefore( elem, this );
            }
        });
    },

    after: function() {
        return this.domManip( arguments, function( elem ) {
            if ( this.parentNode ) {
                this.parentNode.insertBefore( elem, this.nextSibling );
            }
        });
    },

    // keepData is for internal use only--do not document
    remove: function( selector, keepData ) {
        var elem,
            elems = selector ? jQuery.filter( selector, this ) : this,
            i = 0;

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

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

        return this;
    },

    empty: function() {
        var elem,
            i = 0;

        for ( ; (elem = this[i]) != null; i++ ) {
            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 jQuery.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 = value.replace( rxhtmlTag, "<$1></$2>" );

                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
            // Snapshot the DOM in case .domManip sweeps something relevant into its fragment
            args = jQuery.map( this, function( elem ) {
                return [ elem.nextSibling, elem.parentNode ];
            }),
            i = 0;

        // Make the changes, replacing each context element with the new content
        this.domManip( arguments, function( elem ) {
            var next = args[ i++ ],
                parent = args[ i++ ];

            if ( parent ) {
                // Don't use the snapshot next if it has moved (#13810)
                if ( next && next.parentNode !== parent ) {
                    next = this.nextSibling;
                }
                jQuery( this ).remove();
                parent.insertBefore( elem, next );
            }
        // Allow new content to include elements from the context set
        }, true );

        // Force removal if there was no new content (e.g., from empty arguments)
        return i ? this : this.remove();
    },

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

    domManip: function( args, callback, allowIntersection ) {

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

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

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

        if ( l ) {
            fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, !allowIntersection && this );
            first = fragment.firstChild;

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

            if ( first ) {
                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: QtWebKit
                            // jQuery.merge because core_push.apply(_, arraylike) throws
                            jQuery.merge( scripts, getAll( node, "script" ) );
                        }
                    }

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

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

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

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

                            if ( node.src ) {
                                // Hope ajax is available...
                                jQuery._evalUrl( node.src );
                            } else {
                                jQuery.globalEval( node.textContent.replace( rcleanScript, "" ) );
                            }
                        }
                    }
                }
            }
        }

        return this;
    }
});

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 core_push.apply(_, arraylike) throws
            core_push.apply( ret, elems.get() );
        }

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

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

        // Support: IE >= 9
        // Fix Cloning issues
        if ( !jQuery.support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) {

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

            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;
    },

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

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

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

                // Add nodes directly
                if ( jQuery.type( elem ) === "object" ) {
                    // Support: QtWebKit
                    // jQuery.merge because core_push.apply(_, arraylike) throws
                    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 ] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[ 2 ];

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

                    // Support: QtWebKit
                    // jQuery.merge because core_push.apply(_, arraylike) throws
                    jQuery.merge( nodes, tmp.childNodes );

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

                    // Fixes #12346
                    // Support: Webkit, IE
                    tmp.textContent = "";
                }
            }
        }

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

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

            // #4087 - If origin and destination elements are the same, and this is
            // that element, do not do anything
            if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
                continue;
            }

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

            // Append to fragment
            tmp = getAll( 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;
    },

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

        for ( ; (elem = elems[ i ]) !== undefined; i++ ) {
            if ( Data.accepts( elem ) ) {
                key = elem[ data_priv.expando ];

                if ( key && (data = data_priv.cache[ key ]) ) {
                    events = Object.keys( data.events || {} );
                    if ( events.length ) {
                        for ( j = 0; (type = events[j]) !== undefined; j++ ) {
                            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 );
                            }
                        }
                    }
                    if ( data_priv.cache[ key ] ) {
                        // Discard any remaining `private` data
                        delete data_priv.cache[ key ];
                    }
                }
            }
            // Discard any remaining `user` data
            delete data_user.cache[ elem[ data_user.expando ] ];
        }
    },

    _evalUrl: function( url ) {
        return jQuery.ajax({
            url: url,
            type: "GET",
            dataType: "script",
            async: false,
            global: false,
            "throws": true
        });
    }
});

// Support: 1.x compatibility
// Manipulating tables requires a tbody
function manipulationTarget( elem, content ) {
    return jQuery.nodeName( elem, "table" ) &&
        jQuery.nodeName( content.nodeType === 1 ? 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;
}

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

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

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 ( data_priv.hasData( src ) ) {
        pdataOld = data_priv.access( src );
        pdataCur = data_priv.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 ( data_user.hasData( src ) ) {
        udataOld = data_user.access( src );
        udataCur = jQuery.extend( {}, udataOld );

        data_user.set( dest, udataCur );
    }
}


function getAll( context, tag ) {
    var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) :
            context.querySelectorAll ? context.querySelectorAll( tag || "*" ) :
            [];

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

// Support: IE >= 9
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" && manipulation_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;
    }
}
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();
    }
});
var curCSS, iframe,
    // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
    // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
    rdisplayswap = /^(none|table(?!-c[ea]).+)/,
    rmargin = /^margin/,
    rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
    rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
    rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
    elemdisplay = { BODY: "block" },

    cssShow = { position: "absolute", visibility: "hidden", display: "block" },
    cssNormalTransform = {
        letterSpacing: 0,
        fontWeight: 400
    },

    cssExpand = [ "Top", "Right", "Bottom", "Left" ],
    cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];

// return a css property mapped to a potentially vendor prefixed property
function vendorPropName( style, name ) {

    // shortcut for names that are not vendor prefixed
    if ( name in style ) {
        return name;
    }

    // check for vendor prefixed names
    var capName = name.charAt(0).toUpperCase() + name.slice(1),
        origName = name,
        i = cssPrefixes.length;

    while ( i-- ) {
        name = cssPrefixes[ i ] + capName;
        if ( name in style ) {
            return name;
        }
    }

    return origName;
}

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

// NOTE: we've included the "window" in window.getComputedStyle
// because jsdom on node.js will break without it.
function getStyles( elem ) {
    return window.getComputedStyle( elem, null );
}

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 ] = data_priv.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 ] = data_priv.access( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
            }
        } else {

            if ( !values[ index ] ) {
                hidden = isHidden( elem );

                if ( display && display !== "none" || !hidden ) {
                    data_priv.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.fn.extend({
    css: function( name, value ) {
        return jQuery.access( this, function( elem, name, value ) {
            var styles, len,
                map = {},
                i = 0;

            if ( jQuery.isArray( name ) ) {
                styles = getStyles( elem );
                len = name.length;

                for ( ; i < len; i++ ) {
                    map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
                }

                return map;
            }

            return value !== undefined ?
                jQuery.style( elem, name, value ) :
                jQuery.css( elem, name );
        }, name, value, arguments.length > 1 );
    },
    show: function() {
        return showHide( this, true );
    },
    hide: function() {
        return showHide( this );
    },
    toggle: function( state ) {
        if ( typeof state === "boolean" ) {
            return state ? this.show() : this.hide();
        }

        return this.each(function() {
            if ( isHidden( this ) ) {
                jQuery( this ).show();
            } else {
                jQuery( this ).hide();
            }
        });
    }
});

jQuery.extend({
    // Add in style property hooks for overriding the default
    // behavior of getting and setting a style property
    cssHooks: {
        opacity: {
            get: function( elem, computed ) {
                if ( computed ) {
                    // We should always get a number back from opacity
                    var ret = curCSS( elem, "opacity" );
                    return ret === "" ? "1" : ret;
                }
            }
        }
    },

    // Don't automatically add "px" to these possibly-unitless properties
    cssNumber: {
        "columnCount": true,
        "fillOpacity": 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: {
        // normalize float css property
        "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( style, origName ) );

        // gets hook for the prefixed version
        // followed by the unprefixed version
        hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

        // Check if we're setting a value
        if ( value !== undefined ) {
            type = typeof value;

            // convert relative number strings (+= or -=) to relative numbers. #7345
            if ( type === "string" && (ret = rrelNum.exec( value )) ) {
                value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
                // Fixes bug #9237
                type = "number";
            }

            // Make sure that NaN and null values aren't set. See: #7116
            if ( value == null || type === "number" && isNaN( value ) ) {
                return;
            }

            // If a number was passed in, add 'px' to the (except for certain CSS properties)
            if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
                value += "px";
            }

            // Fixes #8908, it can be done more correctly by specifying setters in cssHooks,
            // but it would mean to define eight (for every problematic property) identical functions
            if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
                style[ name ] = "inherit";
            }

            // If a hook was provided, use that value, otherwise just set the specified value
            if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
                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( elem.style, origName ) );

        // gets hook for the prefixed version
        // followed by the unprefixed version
        hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];

        // If a hook was provided get the computed value from there
        if ( hooks && "get" in hooks ) {
            val = hooks.get( elem, true, extra );
        }

        // Otherwise, if a way to get the computed value exists, use that
        if ( val === undefined ) {
            val = curCSS( elem, name, styles );
        }

        //convert "normal" to computed value
        if ( val === "normal" && name in cssNormalTransform ) {
            val = cssNormalTransform[ name ];
        }

        // Return, converting to number if forced or a qualifier was provided and val looks numeric
        if ( extra === "" || extra ) {
            num = parseFloat( val );
            return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
        }
        return val;
    }
});

curCSS = function( elem, name, _computed ) {
    var width, minWidth, maxWidth,
        computed = _computed || getStyles( elem ),

        // Support: IE9
        // getPropertyValue is only needed for .css('filter') in IE9, see #12537
        ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
        style = elem.style;

    if ( computed ) {

        if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
            ret = jQuery.style( elem, name );
        }

        // Support: Safari 5.1
        // A tribute to the "awesome hack by Dean Edwards"
        // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
        // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
        if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {

            // Remember the original values
            width = style.width;
            minWidth = style.minWidth;
            maxWidth = style.maxWidth;

            // Put in the new values to get a computed value out
            style.minWidth = style.maxWidth = style.width = ret;
            ret = computed.width;

            // Revert the changed values
            style.width = width;
            style.minWidth = minWidth;
            style.maxWidth = maxWidth;
        }
    }

    return ret;
};


function setPositiveNumber( elem, value, subtract ) {
    var matches = rnumsplit.exec( value );
    return matches ?
        // Guard against undefined "subtract", e.g., when used as in cssHooks
        Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
        value;
}

function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
    var i = extra === ( isBorderBox ? "border" : "content" ) ?
        // If we already have the right measurement, avoid augmentation
        4 :
        // Otherwise initialize for horizontal or vertical properties
        name === "width" ? 1 : 0,

        val = 0;

    for ( ; i < 4; i += 2 ) {
        // both box models exclude margin, so add it if we want it
        if ( extra === "margin" ) {
            val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
        }

        if ( isBorderBox ) {
            // border-box includes padding, so remove it if we want content
            if ( extra === "content" ) {
                val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
            }

            // at this point, extra isn't border nor margin, so remove border
            if ( extra !== "margin" ) {
                val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
            }
        } else {
            // at this point, extra isn't content, so add padding
            val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );

            // at this point, extra isn't content nor padding, so add border
            if ( extra !== "padding" ) {
                val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
            }
        }
    }

    return val;
}

function getWidthOrHeight( elem, name, extra ) {

    // Start with offset property, which is equivalent to the border-box value
    var valueIsBorderBox = true,
        val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
        styles = getStyles( elem ),
        isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";

    // some non-html elements return undefined for offsetWidth, so check for null/undefined
    // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
    if ( val <= 0 || val == null ) {
        // Fall back to computed then uncomputed css if necessary
        val = curCSS( elem, name, styles );
        if ( val < 0 || val == null ) {
            val = elem.style[ name ];
        }

        // Computed unit is not pixels. Stop here and return.
        if ( rnumnonpx.test(val) ) {
            return val;
        }

        // we need the check for style in case a browser which returns unreliable values
        // for getComputedStyle silently falls back to the reliable elem.style
        valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );

        // Normalize "", auto, and prepare for extra
        val = parseFloat( val ) || 0;
    }

    // use the active box-sizing model to add/subtract irrelevant styles
    return ( val +
        augmentWidthOrHeight(
            elem,
            name,
            extra || ( isBorderBox ? "border" : "content" ),
            valueIsBorderBox,
            styles
        )
    ) + "px";
}

// Try to determine the default display value of an element
function css_defaultDisplay( nodeName ) {
    var doc = document,
        display = elemdisplay[ nodeName ];

    if ( !display ) {
        display = actualDisplay( nodeName, doc );

        // If the simple way fails, read from inside an iframe
        if ( display === "none" || !display ) {
            // Use the already-created iframe if possible
            iframe = ( iframe ||
                jQuery("<iframe frameborder='0' width='0' height='0'/>")
                .css( "cssText", "display:block !important" )
            ).appendTo( doc.documentElement );

            // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
            doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
            doc.write("<!doctype html><html><body>");
            doc.close();

            display = actualDisplay( nodeName, doc );
            iframe.detach();
        }

        // Store the correct default display
        elemdisplay[ nodeName ] = display;
    }

    return display;
}

// Called ONLY from within css_defaultDisplay
function actualDisplay( name, doc ) {
    var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
        display = jQuery.css( elem[0], "display" );
    elem.remove();
    return display;
}

jQuery.each([ "height", "width" ], function( i, name ) {
    jQuery.cssHooks[ name ] = {
        get: function( elem, computed, extra ) {
            if ( computed ) {
                // certain elements can have dimension info if we invisibly show them
                // however, it must have a current display style that would benefit from this
                return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
                    jQuery.swap( elem, cssShow, function() {
                        return getWidthOrHeight( elem, name, extra );
                    }) :
                    getWidthOrHeight( elem, name, extra );
            }
        },

        set: function( elem, value, extra ) {
            var styles = extra && getStyles( elem );
            return setPositiveNumber( elem, value, extra ?
                augmentWidthOrHeight(
                    elem,
                    name,
                    extra,
                    jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
                    styles
                ) : 0
            );
        }
    };
});

// These hooks cannot be added until DOM ready because the support test
// for it is not run until after DOM ready
jQuery(function() {
    // Support: Android 2.3
    if ( !jQuery.support.reliableMarginRight ) {
        jQuery.cssHooks.marginRight = {
            get: function( elem, computed ) {
                if ( computed ) {
                    // Support: Android 2.3
                    // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
                    // Work around by temporarily setting element display to inline-block
                    return jQuery.swap( elem, { "display": "inline-block" },
                        curCSS, [ elem, "marginRight" ] );
                }
            }
        };
    }

    // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
    // getComputedStyle returns percent when specified for top/left/bottom/right
    // rather than make the css module depend on the offset module, we just check for it here
    if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
        jQuery.each( [ "top", "left" ], function( i, prop ) {
            jQuery.cssHooks[ prop ] = {
                get: function( elem, computed ) {
                    if ( computed ) {
                        computed = curCSS( elem, prop );
                        // if curCSS returns percentage, fallback to offset
                        return rnumnonpx.test( computed ) ?
                            jQuery( elem ).position()[ prop ] + "px" :
                            computed;
                    }
                }
            };
        });
    }

});

if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.hidden = function( elem ) {
        // Support: Opera <= 12.12
        // Opera reports offsetWidths and offsetHeights less than zero on some elements
        return elem.offsetWidth <= 0 && elem.offsetHeight <= 0;
    };

    jQuery.expr.filters.visible = function( elem ) {
        return !jQuery.expr.filters.hidden( elem );
    };
}

// These hooks are used by animate to expand properties
jQuery.each({
    margin: "",
    padding: "",
    border: "Width"
}, function( prefix, suffix ) {
    jQuery.cssHooks[ prefix + suffix ] = {
        expand: function( value ) {
            var i = 0,
                expanded = {},

                // assumes a single number if not a string
                parts = typeof value === "string" ? value.split(" ") : [ value ];

            for ( ; i < 4; i++ ) {
                expanded[ prefix + cssExpand[ i ] + suffix ] =
                    parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
            }

            return expanded;
        }
    };

    if ( !rmargin.test( prefix ) ) {
        jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
    }
});
var r20 = /%20/g,
    rbracket = /\[\]$/,
    rCRLF = /\r?\n/g,
    rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
    rsubmittable = /^(?:input|select|textarea|keygen)/i;

jQuery.fn.extend({
    serialize: function() {
        return jQuery.param( this.serializeArray() );
    },
    serializeArray: function() {
        return this.map(function(){
            // Can add propHook for "elements" to filter or add form elements
            var elements = jQuery.prop( this, "elements" );
            return elements ? jQuery.makeArray( elements ) : this;
        })
        .filter(function(){
            var type = this.type;
            // Use .is(":disabled") so that fieldset[disabled] works
            return this.name && !jQuery( this ).is( ":disabled" ) &&
                rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
                ( this.checked || !manipulation_rcheckableType.test( type ) );
        })
        .map(function( i, elem ){
            var val = jQuery( this ).val();

            return val == null ?
                null :
                jQuery.isArray( val ) ?
                    jQuery.map( val, function( val ){
                        return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
                    }) :
                    { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
        }).get();
    }
});

//Serialize an array of form elements or a set of
//key/values into a query string
jQuery.param = function( a, traditional ) {
    var prefix,
        s = [],
        add = function( key, value ) {
            // If value is a function, invoke it and return its value
            value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
            s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
        };

    // Set traditional to true for jQuery <= 1.3.2 behavior.
    if ( traditional === undefined ) {
        traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    }

    // If an array was passed in, assume that it is an array of form elements.
    if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
        // Serialize the form elements
        jQuery.each( a, function() {
            add( this.name, this.value );
        });

    } else {
        // If traditional, encode the "old" way (the way 1.3.2 or older
        // did it), otherwise encode params recursively.
        for ( prefix in a ) {
            buildParams( prefix, a[ prefix ], traditional, add );
        }
    }

    // Return the resulting serialization
    return s.join( "&" ).replace( r20, "+" );
};

function buildParams( prefix, obj, traditional, add ) {
    var name;

    if ( jQuery.isArray( obj ) ) {
        // Serialize array item.
        jQuery.each( obj, function( i, v ) {
            if ( traditional || rbracket.test( prefix ) ) {
                // Treat each array item as a scalar.
                add( prefix, v );

            } else {
                // Item is non-scalar (array or object), encode its numeric index.
                buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
            }
        });

    } else if ( !traditional && jQuery.type( obj ) === "object" ) {
        // Serialize object item.
        for ( name in obj ) {
            buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
        }

    } else {
        // Serialize scalar item.
        add( prefix, obj );
    }
}
jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
    "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
    "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {

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

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

    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 );
    }
});
var
    // Document location
    ajaxLocParts,
    ajaxLocation,

    ajax_nonce = jQuery.now(),

    ajax_rquery = /\?/,
    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 = /^\/\//,
    rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,

    // Keep a copy of the old load method
    _load = jQuery.fn.load,

    /* Prefilters
     * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
     * 2) These are called:
     *    - BEFORE asking for a transport
     *    - AFTER param serialization (s.data is a string if s.processData is true)
     * 3) key is the dataType
     * 4) the catchall symbol "*" can be used
     * 5) execution will start with transport dataType and THEN continue down to "*" if needed
     */
    prefilters = {},

    /* Transports bindings
     * 1) key is the dataType
     * 2) the catchall symbol "*" can be used
     * 3) selection will start with transport dataType and THEN go to "*" if needed
     */
    transports = {},

    // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
    allTypes = "*/".concat("*");

// #8138, IE may throw an exception when accessing
// a field from window.location if document.domain has been set
try {
    ajaxLocation = location.href;
} catch( e ) {
    // Use the href attribute of an A element
    // since IE will modify it given document.location
    ajaxLocation = document.createElement( "a" );
    ajaxLocation.href = "";
    ajaxLocation = ajaxLocation.href;
}

// Segment location into parts
ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];

// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
function addToPrefiltersOrTransports( structure ) {

    // dataTypeExpression is optional and defaults to "*"
    return function( dataTypeExpression, func ) {

        if ( typeof dataTypeExpression !== "string" ) {
            func = dataTypeExpression;
            dataTypeExpression = "*";
        }

        var dataType,
            i = 0,
            dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];

        if ( jQuery.isFunction( func ) ) {
            // For each dataType in the dataTypeExpression
            while ( (dataType = dataTypes[i++]) ) {
                // Prepend if requested
                if ( dataType[0] === "+" ) {
                    dataType = dataType.slice( 1 ) || "*";
                    (structure[ dataType ] = structure[ dataType ] || []).unshift( func );

                // Otherwise append
                } else {
                    (structure[ dataType ] = structure[ dataType ] || []).push( func );
                }
            }
        }
    };
}

// Base inspection function for prefilters and transports
function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {

    var inspected = {},
        seekingTransport = ( structure === transports );

    function inspect( dataType ) {
        var selected;
        inspected[ dataType ] = true;
        jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
            var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
            if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
                options.dataTypes.unshift( dataTypeOrTransport );
                inspect( dataTypeOrTransport );
                return false;
            } else if ( seekingTransport ) {
                return !( selected = dataTypeOrTransport );
            }
        });
        return selected;
    }

    return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
}

// A special extend for ajax options
// that takes "flat" options (not to be deep extended)
// Fixes #9887
function ajaxExtend( target, src ) {
    var key, deep,
        flatOptions = jQuery.ajaxSettings.flatOptions || {};

    for ( key in src ) {
        if ( src[ key ] !== undefined ) {
            ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
        }
    }
    if ( deep ) {
        jQuery.extend( true, target, deep );
    }

    return target;
}

jQuery.fn.load = function( url, params, callback ) {
    if ( typeof url !== "string" && _load ) {
        return _load.apply( this, arguments );
    }

    var selector, type, response,
        self = this,
        off = url.indexOf(" ");

    if ( off >= 0 ) {
        selector = url.slice( off );
        url = url.slice( 0, off );
    }

    // If it's a function
    if ( jQuery.isFunction( params ) ) {

        // We assume that it's the callback
        callback = params;
        params = undefined;

    // Otherwise, build a param string
    } else if ( params && typeof params === "object" ) {
        type = "POST";
    }

    // If we have elements to modify, make the request
    if ( self.length > 0 ) {
        jQuery.ajax({
            url: url,

            // if "type" variable is undefined, then "GET" method will be used
            type: type,
            dataType: "html",
            data: params
        }).done(function( responseText ) {

            // Save response for use in complete callback
            response = arguments;

            self.html( selector ?

                // If a selector was specified, locate the right elements in a dummy div
                // Exclude scripts to avoid IE 'Permission Denied' errors
                jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :

                // Otherwise use the full result
                responseText );

        }).complete( callback && function( jqXHR, status ) {
            self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
        });
    }

    return this;
};

// Attach a bunch of functions for handling common AJAX events
jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
    jQuery.fn[ type ] = function( fn ){
        return this.on( type, fn );
    };
});

jQuery.extend({

    // Counter for holding the number of active queries
    active: 0,

    // Last-Modified header cache for next request
    lastModified: {},
    etag: {},

    ajaxSettings: {
        url: ajaxLocation,
        type: "GET",
        isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
        global: true,
        processData: true,
        async: true,
        contentType: "application/x-www-form-urlencoded; charset=UTF-8",
        /*
        timeout: 0,
        data: null,
        dataType: null,
        username: null,
        password: null,
        cache: null,
        throws: false,
        traditional: false,
        headers: {},
        */

        accepts: {
            "*": allTypes,
            text: "text/plain",
            html: "text/html",
            xml: "application/xml, text/xml",
            json: "application/json, text/javascript"
        },

        contents: {
            xml: /xml/,
            html: /html/,
            json: /json/
        },

        responseFields: {
            xml: "responseXML",
            text: "responseText",
            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,
            // Cross-domain detection vars
            parts,
            // To know if global events are to be dispatched
            fireGlobals,
            // Loop variable
            i,
            // Create the final options object
            s = jQuery.ajaxSetup( {}, options ),
            // Callbacks context
            callbackContext = s.context || s,
            // Context for global events is callbackContext if it is a DOM node or jQuery collection
            globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
                jQuery( callbackContext ) :
                jQuery.event,
            // Deferreds
            deferred = jQuery.Deferred(),
            completeDeferred = jQuery.Callbacks("once memory"),
            // Status-dependent callbacks
            statusCode = s.statusCode || {},
            // Headers (they are sent all at once)
            requestHeaders = {},
            requestHeadersNames = {},
            // The jqXHR state
            state = 0,
            // Default abort message
            strAbort = "canceled",
            // Fake xhr
            jqXHR = {
                readyState: 0,

                // Builds headers hashtable if needed
                getResponseHeader: function( key ) {
                    var match;
                    if ( state === 2 ) {
                        if ( !responseHeaders ) {
                            responseHeaders = {};
                            while ( (match = rheaders.exec( responseHeadersString )) ) {
                                responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
                            }
                        }
                        match = responseHeaders[ key.toLowerCase() ];
                    }
                    return match == null ? null : match;
                },

                // Raw string
                getAllResponseHeaders: function() {
                    return state === 2 ? responseHeadersString : null;
                },

                // Caches the header
                setRequestHeader: function( name, value ) {
                    var lname = name.toLowerCase();
                    if ( !state ) {
                        name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
                        requestHeaders[ name ] = value;
                    }
                    return this;
                },

                // Overrides response content-type header
                overrideMimeType: function( type ) {
                    if ( !state ) {
                        s.mimeType = type;
                    }
                    return this;
                },

                // Status-dependent callbacks
                statusCode: function( map ) {
                    var code;
                    if ( map ) {
                        if ( state < 2 ) {
                            for ( code in map ) {
                                // Lazy-add the new callback in a way that preserves old ones
                                statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
                            }
                        } else {
                            // Execute the appropriate callbacks
                            jqXHR.always( map[ jqXHR.status ] );
                        }
                    }
                    return this;
                },

                // Cancel the request
                abort: function( statusText ) {
                    var finalText = statusText || strAbort;
                    if ( transport ) {
                        transport.abort( finalText );
                    }
                    done( 0, finalText );
                    return this;
                }
            };

        // Attach deferreds
        deferred.promise( jqXHR ).complete = completeDeferred.add;
        jqXHR.success = jqXHR.done;
        jqXHR.error = jqXHR.fail;

        // Remove hash character (#7531: and string promotion)
        // Add protocol if not provided (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 || ajaxLocation ) + "" ).replace( rhash, "" )
            .replace( rprotocol, ajaxLocParts[ 1 ] + "//" );

        // Alias method option to type as per ticket #12004
        s.type = options.method || options.type || s.method || s.type;

        // Extract dataTypes list
        s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];

        // A cross-domain request is in order when we have a protocol:host:port mismatch
        if ( s.crossDomain == null ) {
            parts = rurl.exec( s.url.toLowerCase() );
            s.crossDomain = !!( parts &&
                ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
                    ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
                        ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
            );
        }

        // Convert data if not already a string
        if ( s.data && s.processData && typeof s.data !== "string" ) {
            s.data = jQuery.param( s.data, s.traditional );
        }

        // Apply prefilters
        inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );

        // If request was aborted inside a prefilter, stop there
        if ( state === 2 ) {
            return jqXHR;
        }

        // We can fire global events as of now if asked to
        fireGlobals = s.global;

        // Watch for a new set of requests
        if ( fireGlobals && jQuery.active++ === 0 ) {
            jQuery.event.trigger("ajaxStart");
        }

        // Uppercase the type
        s.type = s.type.toUpperCase();

        // Determine if request has content
        s.hasContent = !rnoContent.test( s.type );

        // Save the URL in case we're toying with the If-Modified-Since
        // and/or If-None-Match header later on
        cacheURL = s.url;

        // More options handling for requests with no content
        if ( !s.hasContent ) {

            // If data is available, append data to url
            if ( s.data ) {
                cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
                // #9682: remove data so that it's not used in an eventual retry
                delete s.data;
            }

            // Add anti-cache in url if needed
            if ( s.cache === false ) {
                s.url = rts.test( cacheURL ) ?

                    // If there is already a '_' parameter, set its value
                    cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :

                    // Otherwise add one to the end
                    cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
            }
        }

        // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
        if ( s.ifModified ) {
            if ( jQuery.lastModified[ cacheURL ] ) {
                jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
            }
            if ( jQuery.etag[ cacheURL ] ) {
                jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
            }
        }

        // Set the correct header, if data is being sent
        if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
            jqXHR.setRequestHeader( "Content-Type", s.contentType );
        }

        // Set the Accepts header for the server, depending on the dataType
        jqXHR.setRequestHeader(
            "Accept",
            s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
                s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
                s.accepts[ "*" ]
        );

        // Check for headers option
        for ( i in s.headers ) {
            jqXHR.setRequestHeader( i, s.headers[ i ] );
        }

        // Allow custom headers/mimetypes and early abort
        if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
            // Abort if not done already and return
            return jqXHR.abort();
        }

        // aborting is no longer a cancellation
        strAbort = "abort";

        // Install callbacks on deferreds
        for ( i in { success: 1, error: 1, complete: 1 } ) {
            jqXHR[ i ]( s[ i ] );
        }

        // Get transport
        transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );

        // If no transport, we auto-abort
        if ( !transport ) {
            done( -1, "No Transport" );
        } else {
            jqXHR.readyState = 1;

            // Send global event
            if ( fireGlobals ) {
                globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
            }
            // Timeout
            if ( s.async && s.timeout > 0 ) {
                timeoutTimer = setTimeout(function() {
                    jqXHR.abort("timeout");
                }, s.timeout );
            }

            try {
                state = 1;
                transport.send( requestHeaders, done );
            } catch ( e ) {
                // Propagate exception as error if not done
                if ( state < 2 ) {
                    done( -1, e );
                // Simply rethrow otherwise
                } else {
                    throw e;
                }
            }
        }

        // Callback for when everything is done
        function done( status, nativeStatusText, responses, headers ) {
            var isSuccess, success, error, response, modified,
                statusText = nativeStatusText;

            // Called once
            if ( state === 2 ) {
                return;
            }

            // State is "done" now
            state = 2;

            // Clear timeout if it exists
            if ( timeoutTimer ) {
                clearTimeout( timeoutTimer );
            }

            // Dereference transport for early garbage collection
            // (no matter how long the jqXHR object will be used)
            transport = undefined;

            // Cache response headers
            responseHeadersString = headers || "";

            // Set readyState
            jqXHR.readyState = status > 0 ? 4 : 0;

            // 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 {
                // We extract error from statusText
                // then normalize statusText and status for non-aborts
                error = statusText;
                if ( status || !statusText ) {
                    statusText = "error";
                    if ( status < 0 ) {
                        status = 0;
                    }
                }
            }

            // Set data for the fake xhr object
            jqXHR.status = status;
            jqXHR.statusText = ( nativeStatusText || statusText ) + "";

            // Success/Error
            if ( isSuccess ) {
                deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
            } else {
                deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
            }

            // Status-dependent callbacks
            jqXHR.statusCode( statusCode );
            statusCode = undefined;

            if ( fireGlobals ) {
                globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
                    [ jqXHR, s, isSuccess ? success : error ] );
            }

            // Complete
            completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );

            if ( fireGlobals ) {
                globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
                // Handle the global AJAX counter
                if ( !( --jQuery.active ) ) {
                    jQuery.event.trigger("ajaxStop");
                }
            }
        }

        return jqXHR;
    },

    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;
        }

        return jQuery.ajax({
            url: url,
            type: method,
            dataType: type,
            data: data,
            success: callback
        });
    };
});

/* 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 };
}
// Install script dataType
jQuery.ajaxSetup({
    accepts: {
        script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    },
    contents: {
        script: /(?:java|ecma)script/
    },
    converters: {
        "text script": function( text ) {
            jQuery.globalEval( text );
            return text;
        }
    }
});

// Handle cache's special case and 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({
                    async: true,
                    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 );
                        }
                    }
                );
                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 + "_" + ( ajax_nonce++ ) );
        this[ callback ] = true;
        return callback;
    }
});

// Detect, normalize options and install callbacks for jsonp requests
jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {

    var callbackName, overwritten, responseContainer,
        jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
            "url" :
            typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
        );

    // Handle iff the expected data type is "jsonp" or we have a parameter to set
    if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {

        // Get callback name, remembering preexisting value associated with it
        callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
            s.jsonpCallback() :
            s.jsonpCallback;

        // Insert callback into url or form data
        if ( jsonProp ) {
            s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
        } else if ( s.jsonp !== false ) {
            s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
        }

        // Use data converter to retrieve json after script execution
        s.converters["script json"] = function() {
            if ( !responseContainer ) {
                jQuery.error( callbackName + " was not called" );
            }
            return responseContainer[ 0 ];
        };

        // force json dataType
        s.dataTypes[ 0 ] = "json";

        // Install callback
        overwritten = window[ callbackName ];
        window[ callbackName ] = function() {
            responseContainer = arguments;
        };

        // Clean-up function (fires after converters)
        jqXHR.always(function() {
            // Restore preexisting value
            window[ callbackName ] = overwritten;

            // Save back as free
            if ( s[ callbackName ] ) {
                // make sure that re-using the options doesn't screw things around
                s.jsonpCallback = originalSettings.jsonpCallback;

                // save the callback name for future use
                oldCallbacks.push( callbackName );
            }

            // Call if it was a function and we have a response
            if ( responseContainer && jQuery.isFunction( overwritten ) ) {
                overwritten( responseContainer[ 0 ] );
            }

            responseContainer = overwritten = undefined;
        });

        // Delegate to script
        return "script";
    }
});
jQuery.ajaxSettings.xhr = function() {
    try {
        return new XMLHttpRequest();
    } catch( e ) {}
};

var xhrSupported = jQuery.ajaxSettings.xhr(),
    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
    },
    // Support: IE9
    // We need to keep track of outbound xhr and abort them manually
    // because IE is not smart enough to do it all by itself
    xhrId = 0,
    xhrCallbacks = {};

if ( window.ActiveXObject ) {
    jQuery( window ).on( "unload", function() {
        for( var key in xhrCallbacks ) {
            xhrCallbacks[ key ]();
        }
        xhrCallbacks = undefined;
    });
}

jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
jQuery.support.ajax = xhrSupported = !!xhrSupported;

jQuery.ajaxTransport(function( options ) {
    var callback;
    // Cross domain only allowed if supported through XMLHttpRequest
    if ( jQuery.support.cors || xhrSupported && !options.crossDomain ) {
        return {
            send: function( headers, complete ) {
                var i, id,
                    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 ) {
                            delete xhrCallbacks[ id ];
                            callback = xhr.onload = xhr.onerror = null;
                            if ( type === "abort" ) {
                                xhr.abort();
                            } else if ( type === "error" ) {
                                complete(
                                    // file protocol always yields status 0, assume 404
                                    xhr.status || 404,
                                    xhr.statusText
                                );
                            } else {
                                complete(
                                    xhrSuccessStatus[ xhr.status ] || xhr.status,
                                    xhr.statusText,
                                    // Support: IE9
                                    // #11426: When requesting binary data, IE9 will throw an exception
                                    // on any attempt to access responseText
                                    typeof xhr.responseText === "string" ? {
                                        text: xhr.responseText
                                    } : undefined,
                                    xhr.getAllResponseHeaders()
                                );
                            }
                        }
                    };
                };
                // Listen to events
                xhr.onload = callback();
                xhr.onerror = callback("error");
                // Create the abort callback
                callback = xhrCallbacks[( id = xhrId++ )] = callback("abort");
                // Do send the request
                // This may raise an exception which is actually
                // handled in jQuery.ajax (so no try/catch here)
                xhr.send( options.hasContent && options.data || null );
            },
            abort: function() {
                if ( callback ) {
                    callback();
                }
            }
        };
    }
});
var fxNow, timerId,
    rfxtypes = /^(?:toggle|show|hide)$/,
    rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
    rrun = /queueHooks$/,
    animationPrefilters = [ defaultPrefilter ],
    tweeners = {
        "*": [function( prop, value ) {
            var tween = this.createTween( prop, value ),
                target = tween.cur(),
                parts = rfxnum.exec( value ),
                unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),

                // Starting value computation is required for potential unit mismatches
                start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
                    rfxnum.exec( jQuery.css( tween.elem, prop ) ),
                scale = 1,
                maxIterations = 20;

            if ( start && start[ 3 ] !== unit ) {
                // Trust units reported by jQuery.css
                unit = unit || start[ 3 ];

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

                // Iteratively approximate from a nonzero starting point
                start = +target || 1;

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

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

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

            // Update tween properties
            if ( parts ) {
                start = tween.start = +start || +target || 0;
                tween.unit = unit;
                // If a +=/-= token was provided, we're doing a relative animation
                tween.end = parts[ 1 ] ?
                    start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
                    +parts[ 2 ];
            }

            return tween;
        }]
    };

// Animations created synchronously will run synchronously
function createFxNow() {
    setTimeout(function() {
        fxNow = undefined;
    });
    return ( fxNow = jQuery.now() );
}

function createTween( value, prop, animation ) {
    var tween,
        collection = ( tweeners[ prop ] || [] ).concat( 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 Animation( elem, properties, options ) {
    var result,
        stopped,
        index = 0,
        length = animationPrefilters.length,
        deferred = jQuery.Deferred().always( function() {
            // don't match elem in the :animated selector
            delete tick.elem;
        }),
        tick = function() {
            if ( stopped ) {
                return false;
            }
            var currentTime = fxNow || createFxNow(),
                remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
                // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
                temp = remaining / animation.duration || 0,
                percent = 1 - temp,
                index = 0,
                length = animation.tweens.length;

            for ( ; index < length ; index++ ) {
                animation.tweens[ index ].run( percent );
            }

            deferred.notifyWith( elem, [ animation, percent, remaining ]);

            if ( percent < 1 && length ) {
                return remaining;
            } else {
                deferred.resolveWith( elem, [ animation ] );
                return false;
            }
        },
        animation = deferred.promise({
            elem: elem,
            props: jQuery.extend( {}, properties ),
            opts: jQuery.extend( true, { specialEasing: {} }, options ),
            originalProperties: properties,
            originalOptions: options,
            startTime: fxNow || createFxNow(),
            duration: options.duration,
            tweens: [],
            createTween: function( prop, end ) {
                var tween = jQuery.Tween( elem, animation.opts, prop, end,
                        animation.opts.specialEasing[ prop ] || animation.opts.easing );
                animation.tweens.push( tween );
                return tween;
            },
            stop: function( gotoEnd ) {
                var index = 0,
                    // if we are going to the end, we want to run all the tweens
                    // otherwise we skip this part
                    length = gotoEnd ? animation.tweens.length : 0;
                if ( stopped ) {
                    return this;
                }
                stopped = true;
                for ( ; index < length ; index++ ) {
                    animation.tweens[ index ].run( 1 );
                }

                // resolve when we played the last frame
                // otherwise, reject
                if ( gotoEnd ) {
                    deferred.resolveWith( elem, [ animation, gotoEnd ] );
                } else {
                    deferred.rejectWith( elem, [ animation, gotoEnd ] );
                }
                return this;
            }
        }),
        props = animation.props;

    propFilter( props, animation.opts.specialEasing );

    for ( ; index < length ; index++ ) {
        result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
        if ( result ) {
            return result;
        }
    }

    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 );
}

function propFilter( props, specialEasing ) {
    var index, name, easing, value, hooks;

    // camelCase, specialEasing and expand cssHook pass
    for ( index in props ) {
        name = jQuery.camelCase( index );
        easing = specialEasing[ name ];
        value = props[ index ];
        if ( jQuery.isArray( value ) ) {
            easing = value[ 1 ];
            value = props[ index ] = value[ 0 ];
        }

        if ( index !== name ) {
            props[ name ] = value;
            delete props[ index ];
        }

        hooks = jQuery.cssHooks[ name ];
        if ( hooks && "expand" in hooks ) {
            value = hooks.expand( value );
            delete props[ name ];

            // not quite $.extend, this wont overwrite keys already present.
            // also - reusing 'index' from above because we have the correct "name"
            for ( index in value ) {
                if ( !( index in props ) ) {
                    props[ index ] = value[ index ];
                    specialEasing[ index ] = easing;
                }
            }
        } else {
            specialEasing[ name ] = easing;
        }
    }
}

jQuery.Animation = jQuery.extend( Animation, {

    tweener: function( props, callback ) {
        if ( jQuery.isFunction( props ) ) {
            callback = props;
            props = [ "*" ];
        } else {
            props = props.split(" ");
        }

        var prop,
            index = 0,
            length = props.length;

        for ( ; index < length ; index++ ) {
            prop = props[ index ];
            tweeners[ prop ] = tweeners[ prop ] || [];
            tweeners[ prop ].unshift( callback );
        }
    },

    prefilter: function( callback, prepend ) {
        if ( prepend ) {
            animationPrefilters.unshift( callback );
        } else {
            animationPrefilters.push( callback );
        }
    }
});

function defaultPrefilter( elem, props, opts ) {
    /* jshint validthis: true */
    var prop, value, toggle, tween, hooks, oldfire,
        anim = this,
        orig = {},
        style = elem.style,
        hidden = elem.nodeType && isHidden( elem ),
        dataShow = data_priv.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() {
            // doing this makes sure that the complete handler will be called
            // before this completes
            anim.always(function() {
                hooks.unqueued--;
                if ( !jQuery.queue( elem, "fx" ).length ) {
                    hooks.empty.fire();
                }
            });
        });
    }

    // height/width overflow pass
    if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
        // Make sure that nothing sneaks out
        // Record all 3 overflow attributes because 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
        if ( jQuery.css( elem, "display" ) === "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 );
        }
    }

    if ( !jQuery.isEmptyObject( orig ) ) {
        if ( dataShow ) {
            if ( "hidden" in dataShow ) {
                hidden = dataShow.hidden;
            }
        } else {
            dataShow = data_priv.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;

            data_priv.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;
                }
            }
        }
    }
}

function Tween( elem, options, prop, end, easing ) {
    return new Tween.prototype.init( elem, options, prop, end, easing );
}
jQuery.Tween = Tween;

Tween.prototype = {
    constructor: Tween,
    init: function( elem, options, prop, end, easing, unit ) {
        this.elem = elem;
        this.prop = prop;
        this.easing = easing || "swing";
        this.options = options;
        this.start = this.now = this.cur();
        this.end = end;
        this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
    },
    cur: function() {
        var hooks = Tween.propHooks[ this.prop ];

        return hooks && hooks.get ?
            hooks.get( this ) :
            Tween.propHooks._default.get( this );
    },
    run: function( percent ) {
        var eased,
            hooks = Tween.propHooks[ this.prop ];

        if ( this.options.duration ) {
            this.pos = eased = jQuery.easing[ this.easing ](
                percent, this.options.duration * percent, 0, 1, this.options.duration
            );
        } else {
            this.pos = eased = percent;
        }
        this.now = ( this.end - this.start ) * eased + this.start;

        if ( this.options.step ) {
            this.options.step.call( this.elem, this.now, this );
        }

        if ( hooks && hooks.set ) {
            hooks.set( this );
        } else {
            Tween.propHooks._default.set( this );
        }
        return this;
    }
};

Tween.prototype.init.prototype = Tween.prototype;

Tween.propHooks = {
    _default: {
        get: function( tween ) {
            var result;

            if ( tween.elem[ tween.prop ] != null &&
                (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
                return tween.elem[ tween.prop ];
            }

            // passing an empty string as a 3rd parameter to .css will automatically
            // attempt a parseFloat and fallback to a string if the parse fails
            // so, simple values such as "10px" are parsed to Float.
            // complex values such as "rotate(1rad)" are returned as is.
            result = jQuery.css( tween.elem, tween.prop, "" );
            // Empty strings, null, undefined and "auto" are converted to 0.
            return !result || result === "auto" ? 0 : result;
        },
        set: function( tween ) {
            // use step hook for back compat - use cssHook if its there - use .style if its
            // available and use plain properties where available
            if ( jQuery.fx.step[ tween.prop ] ) {
                jQuery.fx.step[ tween.prop ]( tween );
            } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
                jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
            } else {
                tween.elem[ tween.prop ] = tween.now;
            }
        }
    }
};

// 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.each([ "toggle", "show", "hide" ], function( i, name ) {
    var cssFn = jQuery.fn[ name ];
    jQuery.fn[ name ] = function( speed, easing, callback ) {
        return speed == null || typeof speed === "boolean" ?
            cssFn.apply( this, arguments ) :
            this.animate( genFx( name, true ), speed, easing, callback );
    };
});

jQuery.fn.extend({
    fadeTo: function( speed, to, easing, callback ) {

        // show any hidden elements after setting opacity to 0
        return this.filter( isHidden ).css( "opacity", 0 ).show()

            // animate to the value specified
            .end().animate({ opacity: to }, speed, easing, callback );
    },
    animate: function( prop, speed, easing, callback ) {
        var empty = jQuery.isEmptyObject( prop ),
            optall = jQuery.speed( speed, easing, callback ),
            doAnimation = function() {
                // Operate on a copy of prop so per-property easing won't be lost
                var anim = Animation( this, jQuery.extend( {}, prop ), optall );

                // Empty animations, or finishing resolves immediately
                if ( empty || data_priv.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 = data_priv.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 = data_priv.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;
        });
    }
});

// Generate parameters to create a standard animation
function genFx( type, includeWidth ) {
    var which,
        attrs = { height: type },
        i = 0;

    // if we include width, step value is 1 to do all cssExpand values,
    // if we don't include width, step value is 2 to skip over Left and Right
    includeWidth = includeWidth? 1 : 0;
    for( ; i < 4 ; i += 2 - includeWidth ) {
        which = cssExpand[ i ];
        attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
    }

    if ( includeWidth ) {
        attrs.opacity = attrs.width = type;
    }

    return attrs;
}

// Generate shortcuts for custom animations
jQuery.each({
    slideDown: genFx("show"),
    slideUp: genFx("hide"),
    slideToggle: genFx("toggle"),
    fadeIn: { opacity: "show" },
    fadeOut: { opacity: "hide" },
    fadeToggle: { opacity: "toggle" }
}, function( name, props ) {
    jQuery.fn[ name ] = function( speed, easing, callback ) {
        return this.animate( props, speed, easing, callback );
    };
});

jQuery.speed = function( speed, easing, fn ) {
    var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
        complete: fn || !fn && easing ||
            jQuery.isFunction( speed ) && speed,
        duration: speed,
        easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
    };

    opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
        opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;

    // normalize opt.queue - true/undefined/null -> "fx"
    if ( opt.queue == null || opt.queue === true ) {
        opt.queue = "fx";
    }

    // Queueing
    opt.old = opt.complete;

    opt.complete = function() {
        if ( jQuery.isFunction( opt.old ) ) {
            opt.old.call( this );
        }

        if ( opt.queue ) {
            jQuery.dequeue( this, opt.queue );
        }
    };

    return opt;
};

jQuery.easing = {
    linear: function( p ) {
        return p;
    },
    swing: function( p ) {
        return 0.5 - Math.cos( p*Math.PI ) / 2;
    }
};

jQuery.timers = [];
jQuery.fx = Tween.prototype.init;
jQuery.fx.tick = function() {
    var timer,
        timers = jQuery.timers,
        i = 0;

    fxNow = jQuery.now();

    for ( ; i < timers.length; i++ ) {
        timer = timers[ i ];
        // Checks the timer has not already been removed
        if ( !timer() && timers[ i ] === timer ) {
            timers.splice( i--, 1 );
        }
    }

    if ( !timers.length ) {
        jQuery.fx.stop();
    }
    fxNow = undefined;
};

jQuery.fx.timer = function( timer ) {
    if ( timer() && jQuery.timers.push( timer ) ) {
        jQuery.fx.start();
    }
};

jQuery.fx.interval = 13;

jQuery.fx.start = function() {
    if ( !timerId ) {
        timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
    }
};

jQuery.fx.stop = function() {
    clearInterval( timerId );
    timerId = null;
};

jQuery.fx.speeds = {
    slow: 600,
    fast: 200,
    // Default speed
    _default: 400
};

// Back Compat <1.8 extension point
jQuery.fx.step = {};

if ( jQuery.expr && jQuery.expr.filters ) {
    jQuery.expr.filters.animated = function( elem ) {
        return jQuery.grep(jQuery.timers, function( fn ) {
            return elem === fn.elem;
        }).length;
    };
}
jQuery.fn.offset = function( options ) {
    if ( arguments.length ) {
        return options === undefined ?
            this :
            this.each(function( i ) {
                jQuery.offset.setOffset( this, options, i );
            });
    }

    var docElem, win,
        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;
    }

    // If we don't have gBCR, just use 0,0 rather than error
    // BlackBerry 5, iOS 3 (original iPhone)
    if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
        box = elem.getBoundingClientRect();
    }
    win = getWindow( doc );
    return {
        top: box.top + win.pageYOffset - docElem.clientTop,
        left: box.left + win.pageXOffset - docElem.clientLeft
    };
};

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 ) ) {
            options = options.call( elem, i, curOffset );
        }

        if ( options.top != null ) {
            props.top = ( options.top - curOffset.top ) + curTop;
        }
        if ( options.left != null ) {
            props.left = ( options.left - curOffset.left ) + curLeft;
        }

        if ( "using" in options ) {
            options.using.call( elem, props );

        } else {
            curElem.css( props );
        }
    }
};


jQuery.fn.extend({

    position: function() {
        if ( !this[ 0 ] ) {
            return;
        }

        var offsetParent, offset,
            elem = this[ 0 ],
            parentOffset = { top: 0, left: 0 };

        // Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
        if ( jQuery.css( elem, "position" ) === "fixed" ) {
            // We assume that getBoundingClientRect is available when computed position is fixed
            offset = elem.getBoundingClientRect();

        } else {
            // Get *real* offsetParent
            offsetParent = this.offsetParent();

            // Get correct offsets
            offset = this.offset();
            if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
                parentOffset = offsetParent.offset();
            }

            // Add offsetParent borders
            parentOffset.top += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
            parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
        }

        // Subtract parent offsets and element margins
        return {
            top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
            left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
        };
    },

    offsetParent: function() {
        return this.map(function() {
            var offsetParent = this.offsetParent || docElem;

            while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
                offsetParent = offsetParent.offsetParent;
            }

            return offsetParent || docElem;
        });
    }
});


// Create scrollLeft and scrollTop methods
jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
    var top = "pageYOffset" === prop;

    jQuery.fn[ method ] = function( val ) {
        return jQuery.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 : window.pageXOffset,
                    top ? val : window.pageYOffset
                );

            } else {
                elem[ method ] = val;
            }
        }, method, val, arguments.length, null );
    };
});

function getWindow( elem ) {
    return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
}
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
    jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
        // margin is only for outerHeight, outerWidth
        jQuery.fn[ funcName ] = function( margin, value ) {
            var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
                extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );

            return jQuery.access( this, function( elem, type, value ) {
                var doc;

                if ( jQuery.isWindow( elem ) ) {
                    // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
                    // isn't a whole lot we can do. See pull request at this URL for discussion:
                    // https://github.com/jquery/jquery/pull/764
                    return elem.document.documentElement[ "client" + name ];
                }

                // Get document width or height
                if ( elem.nodeType === 9 ) {
                    doc = elem.documentElement;

                    // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
                    // whichever is greatest
                    return Math.max(
                        elem.body[ "scroll" + name ], doc[ "scroll" + name ],
                        elem.body[ "offset" + name ], doc[ "offset" + name ],
                        doc[ "client" + name ]
                    );
                }

                return value === undefined ?
                    // Get width or height on the element, requesting but not forcing parseFloat
                    jQuery.css( elem, type, extra ) :

                    // Set width or height on the element
                    jQuery.style( elem, type, value, extra );
            }, type, chainable ? margin : undefined, chainable, null );
        };
    });
});
// Limit scope pollution from any deprecated API
// (function() {

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

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

// })();
if ( typeof module === "object" && module && typeof module.exports === "object" ) {
    // Expose jQuery as module.exports in loaders that implement the Node
    // module pattern (including browserify). Do not create the global, since
    // the user will be storing it themselves locally, and globals are frowned
    // upon in the Node module world.
    module.exports = jQuery;
} else {
    // 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.
    if ( typeof define === "function" && define.amd ) {
        define( "jquery", [], function () { return jQuery; } );
    }
}

// If there is a window object, that at least has a document property,
// define jQuery and $ identifiers
if ( typeof window === "object" && typeof window.document === "object" ) {
    window.jQuery = window.$ = jQuery;
}

})( window );