Utility = function() {
    }

$.extend(Utility.prototype, {

    addSlashes: function(string) {
        return (string+'').replace(/([\\"'])/g, "\\$1").replace(/\0/g, "\\0");
    },

    stripSlashes: function(string) {
        return (string+'').replace(/\0/g, '0').replace(/\\([\\'"])/g, '$1');
    },

    isSet: function() {
        var a = arguments;
        var l = a.length;
        var i = 0;
        if(l == 0) {
            throw new Error('Empty isSet.');
        }
        while(i != l) {
            if(typeof(a[i]) == 'undefined' || a[i] === null) {
                return false;
            }
            else {
                i++;
            }
        }
        return true;
    },

    empty: function(mixedVariable) {
        var key;
        if(mixedVariable === ""
            || mixedVariable === 0
            || mixedVariable === "0"
            || mixedVariable === null
            || mixedVariable === false
            || mixedVariable === undefined
            ) {
            return true;
        }
        if(typeof mixedVariable == 'object') {
            for(key in mixedVariable) {
                if(typeof mixedVariable[key] !== 'function') {
                    return false;
                }
            }
            return true;
        }
        return false;
    },

    toHtmlId: function(string) {
        string = string.replace(" ", "_", "g");
        return string.replace("!", "", "g");
    },

    constructCanvas: function(target) {
        target.html(""); // clear target
        target.css("position", "relative"); // for positioning labels and overlay

        // the canvas
        var canvas = $('<canvas width="' + target.width() + '" height="' + target.height() + '"></canvas>').appendTo(target).get(0);
        if($.browser.msie) // excanvas hack
            canvas = window.G_vmlCanvasManager.initElement(canvas);

        return canvas;
    },

    Color: function(r, g, b, a) {
        var rgba = ['r','g','b','a'];
        var x = 4; //rgba.length

        while(-1<--x) {
            this[rgba[x]] = arguments[x] || ((x==3) ? 1.0 : 0);
        }

        this.toString = function() {
            if (this.a >= 1.0) {
                return "rgb("+[this.r,this.g,this.b].join(",")+")";
            }
            else {
                return "rgba("+[this.r,this.g,this.b,this.a].join(",")+")";
            }
        };

        this.scale = function(rf, gf, bf, af) {
            x = 4; //rgba.length
            while (-1<--x) {
                if (arguments[x] != null)
                    this[rgba[x]] *= arguments[x];
            }
            return this.normalize();
        };

        this.adjust = function(rd, gd, bd, ad) {
            x = 4; //rgba.length
            while (-1<--x) {
                if (arguments[x] != null)
                    this[rgba[x]] += arguments[x];
            }
            return this.normalize();
        };

        this.clone = function() {
            return new Color(this.r, this.b, this.g, this.a);
        };

        var limit = function(val,minVal,maxVal) {
            return Math.max(Math.min(val, maxVal), minVal);
        };

        this.normalize = function() {
            this.r = limit(parseInt(this.r), 0, 255);
            this.g = limit(parseInt(this.g), 0, 255);
            this.b = limit(parseInt(this.b), 0, 255);
            this.a = limit(this.a, 0, 1);
            return this;
        };

        this.normalize();
    },

    extractColor: function(element) {
        var color, elem = element;
        do {
            color = elem.css("background-color").toLowerCase();
            // keep going until we find an element that has color, or we hit the body
            if (color != '' && color != 'transparent')
                break;
            elem = elem.parent();
        } while (!$.nodeName(elem.get(0), "body"));

        // catch Safari's way of signalling transparent
        if (color == "rgba(0, 0, 0, 0)")
            return "transparent";

        return color;
    },

    // parse string, returns Color
    parseColor: function(str) {
        var result;

        // Look for rgb(num,num,num)
        if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))
            return new this.Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10));

        // Look for rgba(num,num,num,num)
        if (result = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))
            return new this.Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10), parseFloat(result[4]));

        // Look for rgb(num%,num%,num%)
        if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))
            return new this.Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55);

        // Look for rgba(num%,num%,num%,num)
        if (result = /rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))
            return new this.Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55, parseFloat(result[4]));

        // Look for #a0b1c2
        if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))
            return new this.Color(parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16));

        // Look for #fff
        if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))
            return new this.Color(parseInt(result[1]+result[1], 16), parseInt(result[2]+result[2], 16), parseInt(result[3]+result[3], 16));

        // Otherwise, we're most likely dealing with a named color
        var name = $.trim(str).toLowerCase();
        if (name == "transparent")
            return new this.Color(255, 255, 255, 0);
    },

    /**
     * Converts an RGB color value to HSV. Conversion formula
     * adapted from http://en.wikipedia.org/wiki/HSV_color_space.
     * Assumes r, g, and b are contained in the set [0, 255] and
     * returns h, s, and v in the set [0, 1].
     *
     * @param   {Number}    r       The red color value
     * @param   {Number}    g       The green color value
     * @param   {Number}    b       The blue color value
     * @return  {Array}             The HSV representation
     */
    rgbToHsv: function(r, g, b){
        r = r/255, g = g/255, b = b/255;
        var max = Math.max(r, g, b), min = Math.min(r, g, b);
        var h, s, v = max;

        var d = max - min;
        s = max == 0 ? 0 : d / max;

        if(max == min){
            h = 0; // achromatic
        }else{
            switch(max){
                case r: h = (g - b) / d + (g < b ? 6 : 0); break;
                case g: h = (b - r) / d + 2; break;
                case b: h = (r - g) / d + 4; break;
            }
            h /= 6;
        }

        return [h * 255, s * 255, v * 255];
    },

    /**
     * Converts an HSV color value to RGB. Conversion formula
     * adapted from http://en.wikipedia.org/wiki/HSV_color_space.
     * Assumes h, s, and v are contained in the set [0, 1] and
     * returns r, g, and b in the set [0, 255].
     *
     * @param   {Number}    h       The hue
     * @param   {Number}    s       The saturation
     * @param   {Number}    v       The value
     * @return  {Array}             The RGB representation
     */
    hsvToRgb: function(h, s, v){
        var r, g, b;
        if(h > 255) h = 255;
        if(s > 255) s = 255;
        if(v > 255) v = 255;
        if(h < 0) h = 0;
        if(s < 0) s = 0;
        if(v < 0) v = 0;
        h = h / 255;
        s = s / 255;
        v = v / 255;

        var i = Math.floor(h * 6);
        var f = h * 6 - i;
        var p = v * (1 - s);
        var q = v * (1 - f * s);
        var t = v * (1 - (1 - f) * s);

        switch(i % 6){
            case 0: r = v, g = t, b = p; break;
            case 1: r = q, g = v, b = p; break;
            case 2: r = p, g = v, b = t; break;
            case 3: r = p, g = q, b = v; break;
            case 4: r = t, g = p, b = v; break;
            case 5: r = v, g = p, b = q; break;
        }

        return [r * 255, g * 255, b * 255];
    },

    getExtraWidth: function(element) {
        var element = $(element);
        var totalWidth = 0;
        totalWidth += parseInt(element.css("padding-left"), 10) + parseInt(element.css("padding-right"), 10); //Total Padding Width
        totalWidth += parseInt(element.css("margin-left"), 10) + parseInt(element.css("margin-right"), 10); //Total Margin Width
        totalWidth += parseInt(element.css("borderLeftWidth"), 10) + parseInt(element.css("borderRightWidth"), 10); //Total Border Width
        return totalWidth;
    },

    jsonEncode: function(mixed_val) {
        // http://kevin.vanzonneveld.net
        // +      original by: Public Domain (http://www.json.org/json2.js)
        // + reimplemented by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // + improved by: T.J. Leahy
        // *     example 1: json_encode(['e', {pluribus: 'unum'}]);
        // *     returns 1: '[\n    "e",\n    {\n    "pluribus": "unum"\n}\n]'

        /*
        http://www.JSON.org/json2.js
        2008-11-19
        Public Domain.
        NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
        See http://www.JSON.org/js.html
    */
        var json = window.JSON;
        if (typeof json === 'object' && typeof json.stringify === 'function') {
            return json.stringify(mixed_val);
        }

        var value = mixed_val;

        var quote = function (string) {
            var escapable = /[\\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
            var meta = {    // table of character substitutions
                '\b': '\\b',
                '\t': '\\t',
                '\n': '\\n',
                '\f': '\\f',
                '\r': '\\r',
                '"' : '\\"',
                '\\': '\\\\'
            };

            escapable.lastIndex = 0;
            return escapable.test(string) ?
            '"' + string.replace(escapable, function (a) {
                var c = meta[a];
                return typeof c === 'string' ? c :
                '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
            }) + '"' :
            '"' + string + '"';
        };

        var str = function (key, holder) {
            var gap = '';
            var indent = '    ';
            var i = 0;          // The loop counter.
            var k = '';          // The member key.
            var v = '';          // The member value.
            var length = 0;
            var mind = gap;
            var partial = [];
            var value = holder[key];

            // If the value has a toJSON method, call it to obtain a replacement value.
            if (value && typeof value === 'object' &&
                typeof value.toJSON === 'function') {
                value = value.toJSON(key);
            }

            // What happens next depends on the value's type.
            switch (typeof value) {
                case 'string':
                    return quote(value);

                case 'number':
                    // JSON numbers must be finite. Encode non-finite numbers as null.
                    return isFinite(value) ? String(value) : 'null';

                case 'boolean':
                case 'null':
                    // If the value is a boolean or null, convert it to a string. Note:
                    // typeof null does not produce 'null'. The case is included here in
                    // the remote chance that this gets fixed someday.

                    return String(value);

                case 'object':
                    // If the type is 'object', we might be dealing with an object or an array or
                    // null.
                    // Due to a specification blunder in ECMAScript, typeof null is 'object',
                    // so watch out for that case.
                    if (!value) {
                        return 'null';
                    }

                    // Make an array to hold the partial results of stringifying this object value.
                    gap += indent;
                    partial = [];

                    // Is the value an array?
                    if (Object.prototype.toString.apply(value) === '[object Array]') {
                        // The value is an array. Stringify every element. Use null as a placeholder
                        // for non-JSON values.

                        length = value.length;
                        for (i = 0; i < length; i += 1) {
                            partial[i] = str(i, value) || 'null';
                        }

                        // Join all of the elements together, separated with commas, and wrap them in
                        // brackets.
                        v = partial.length === 0 ? '[]' :
                        gap ? '[\n' + gap +
                        partial.join(',\n' + gap) + '\n' +
                        mind + ']' :
                        '[' + partial.join(',') + ']';
                        gap = mind;
                        return v;
                    }

                    // Iterate through all of the keys in the object.
                    for (k in value) {
                        if (Object.hasOwnProperty.call(value, k)) {
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }

                    // Join all of the member texts together, separated with commas,
                    // and wrap them in braces.
                    v = partial.length === 0 ? '{}' :
                    gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
                    mind + '}' : '{' + partial.join(',') + '}';
                    gap = mind;
                    return v;
            }
        };

        // Make a fake root object containing our value under the key of ''.
        // Return the result of stringifying the value.
        return str('', {
            '': value
        });
    },

    toTitle: function(string) {
        string = this.trim(string);
        if(string == '') {
            return string;
        }
        var wordArray = string.toLowerCase().split(' ');
        for (var i = 0; i < wordArray.length; i++) {
            wordArray[i] = wordArray[i].charAt(0).toUpperCase() + wordArray[i].substring(1);
        }
        return wordArray.join(' ');
    },

    trim: function(string){
        return string.replace(/^\s+/, '').replace(/\s+$/, '');
    },


    md5: function (string) {

        function RotateLeft(lValue, iShiftBits) {
            return (lValue<<iShiftBits) | (lValue>>>(32-iShiftBits));
        }

        function AddUnsigned(lX,lY) {
            var lX4,lY4,lX8,lY8,lResult;
            lX8 = (lX & 0x80000000);
            lY8 = (lY & 0x80000000);
            lX4 = (lX & 0x40000000);
            lY4 = (lY & 0x40000000);
            lResult = (lX & 0x3FFFFFFF)+(lY & 0x3FFFFFFF);
            if (lX4 & lY4) {
                return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
            }
            if (lX4 | lY4) {
                if (lResult & 0x40000000) {
                    return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
                } else {
                    return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
                }
            } else {
                return (lResult ^ lX8 ^ lY8);
            }
        }

        function F(x,y,z) {
            return (x & y) | ((~x) & z);
        }
        function G(x,y,z) {
            return (x & z) | (y & (~z));
        }
        function H(x,y,z) {
            return (x ^ y ^ z);
        }
        function I(x,y,z) {
            return (y ^ (x | (~z)));
        }

        function FF(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function GG(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function HH(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function II(a,b,c,d,x,s,ac) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        };

        function ConvertToWordArray(string) {
            var lWordCount;
            var lMessageLength = string.length;
            var lNumberOfWords_temp1=lMessageLength + 8;
            var lNumberOfWords_temp2=(lNumberOfWords_temp1-(lNumberOfWords_temp1 % 64))/64;
            var lNumberOfWords = (lNumberOfWords_temp2+1)*16;
            var lWordArray=Array(lNumberOfWords-1);
            var lBytePosition = 0;
            var lByteCount = 0;
            while ( lByteCount < lMessageLength ) {
                lWordCount = (lByteCount-(lByteCount % 4))/4;
                lBytePosition = (lByteCount % 4)*8;
                lWordArray[lWordCount] = (lWordArray[lWordCount] | (string.charCodeAt(lByteCount)<<lBytePosition));
                lByteCount++;
            }
            lWordCount = (lByteCount-(lByteCount % 4))/4;
            lBytePosition = (lByteCount % 4)*8;
            lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80<<lBytePosition);
            lWordArray[lNumberOfWords-2] = lMessageLength<<3;
            lWordArray[lNumberOfWords-1] = lMessageLength>>>29;
            return lWordArray;
        };

        function WordToHex(lValue) {
            var WordToHexValue="",WordToHexValue_temp="",lByte,lCount;
            for (lCount = 0;lCount<=3;lCount++) {
                lByte = (lValue>>>(lCount*8)) & 255;
                WordToHexValue_temp = "0" + lByte.toString(16);
                WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length-2,2);
            }
            return WordToHexValue;
        };

        function Utf8Encode(string) {
            string = string.replace(/\r\n/g,"\n");
            var utftext = "";

            for (var n = 0; n < string.length; n++) {

                var c = string.charCodeAt(n);

                if (c < 128) {
                    utftext += String.fromCharCode(c);
                }
                else if((c > 127) && (c < 2048)) {
                    utftext += String.fromCharCode((c >> 6) | 192);
                    utftext += String.fromCharCode((c & 63) | 128);
                }
                else {
                    utftext += String.fromCharCode((c >> 12) | 224);
                    utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                    utftext += String.fromCharCode((c & 63) | 128);
                }

            }

            return utftext;
        };

        var x=Array();
        var k,AA,BB,CC,DD,a,b,c,d;
        var S11=7, S12=12, S13=17, S14=22;
        var S21=5, S22=9 , S23=14, S24=20;
        var S31=4, S32=11, S33=16, S34=23;
        var S41=6, S42=10, S43=15, S44=21;

        string = Utf8Encode(string);

        x = ConvertToWordArray(string);

        a = 0x67452301; b = 0xEFCDAB89; c = 0x98BADCFE; d = 0x10325476;

        for (k=0;k<x.length;k+=16) {
            AA=a; BB=b; CC=c; DD=d;
            a=FF(a,b,c,d,x[k+0], S11,0xD76AA478);
            d=FF(d,a,b,c,x[k+1], S12,0xE8C7B756);
            c=FF(c,d,a,b,x[k+2], S13,0x242070DB);
            b=FF(b,c,d,a,x[k+3], S14,0xC1BDCEEE);
            a=FF(a,b,c,d,x[k+4], S11,0xF57C0FAF);
            d=FF(d,a,b,c,x[k+5], S12,0x4787C62A);
            c=FF(c,d,a,b,x[k+6], S13,0xA8304613);
            b=FF(b,c,d,a,x[k+7], S14,0xFD469501);
            a=FF(a,b,c,d,x[k+8], S11,0x698098D8);
            d=FF(d,a,b,c,x[k+9], S12,0x8B44F7AF);
            c=FF(c,d,a,b,x[k+10],S13,0xFFFF5BB1);
            b=FF(b,c,d,a,x[k+11],S14,0x895CD7BE);
            a=FF(a,b,c,d,x[k+12],S11,0x6B901122);
            d=FF(d,a,b,c,x[k+13],S12,0xFD987193);
            c=FF(c,d,a,b,x[k+14],S13,0xA679438E);
            b=FF(b,c,d,a,x[k+15],S14,0x49B40821);
            a=GG(a,b,c,d,x[k+1], S21,0xF61E2562);
            d=GG(d,a,b,c,x[k+6], S22,0xC040B340);
            c=GG(c,d,a,b,x[k+11],S23,0x265E5A51);
            b=GG(b,c,d,a,x[k+0], S24,0xE9B6C7AA);
            a=GG(a,b,c,d,x[k+5], S21,0xD62F105D);
            d=GG(d,a,b,c,x[k+10],S22,0x2441453);
            c=GG(c,d,a,b,x[k+15],S23,0xD8A1E681);
            b=GG(b,c,d,a,x[k+4], S24,0xE7D3FBC8);
            a=GG(a,b,c,d,x[k+9], S21,0x21E1CDE6);
            d=GG(d,a,b,c,x[k+14],S22,0xC33707D6);
            c=GG(c,d,a,b,x[k+3], S23,0xF4D50D87);
            b=GG(b,c,d,a,x[k+8], S24,0x455A14ED);
            a=GG(a,b,c,d,x[k+13],S21,0xA9E3E905);
            d=GG(d,a,b,c,x[k+2], S22,0xFCEFA3F8);
            c=GG(c,d,a,b,x[k+7], S23,0x676F02D9);
            b=GG(b,c,d,a,x[k+12],S24,0x8D2A4C8A);
            a=HH(a,b,c,d,x[k+5], S31,0xFFFA3942);
            d=HH(d,a,b,c,x[k+8], S32,0x8771F681);
            c=HH(c,d,a,b,x[k+11],S33,0x6D9D6122);
            b=HH(b,c,d,a,x[k+14],S34,0xFDE5380C);
            a=HH(a,b,c,d,x[k+1], S31,0xA4BEEA44);
            d=HH(d,a,b,c,x[k+4], S32,0x4BDECFA9);
            c=HH(c,d,a,b,x[k+7], S33,0xF6BB4B60);
            b=HH(b,c,d,a,x[k+10],S34,0xBEBFBC70);
            a=HH(a,b,c,d,x[k+13],S31,0x289B7EC6);
            d=HH(d,a,b,c,x[k+0], S32,0xEAA127FA);
            c=HH(c,d,a,b,x[k+3], S33,0xD4EF3085);
            b=HH(b,c,d,a,x[k+6], S34,0x4881D05);
            a=HH(a,b,c,d,x[k+9], S31,0xD9D4D039);
            d=HH(d,a,b,c,x[k+12],S32,0xE6DB99E5);
            c=HH(c,d,a,b,x[k+15],S33,0x1FA27CF8);
            b=HH(b,c,d,a,x[k+2], S34,0xC4AC5665);
            a=II(a,b,c,d,x[k+0], S41,0xF4292244);
            d=II(d,a,b,c,x[k+7], S42,0x432AFF97);
            c=II(c,d,a,b,x[k+14],S43,0xAB9423A7);
            b=II(b,c,d,a,x[k+5], S44,0xFC93A039);
            a=II(a,b,c,d,x[k+12],S41,0x655B59C3);
            d=II(d,a,b,c,x[k+3], S42,0x8F0CCC92);
            c=II(c,d,a,b,x[k+10],S43,0xFFEFF47D);
            b=II(b,c,d,a,x[k+1], S44,0x85845DD1);
            a=II(a,b,c,d,x[k+8], S41,0x6FA87E4F);
            d=II(d,a,b,c,x[k+15],S42,0xFE2CE6E0);
            c=II(c,d,a,b,x[k+6], S43,0xA3014314);
            b=II(b,c,d,a,x[k+13],S44,0x4E0811A1);
            a=II(a,b,c,d,x[k+4], S41,0xF7537E82);
            d=II(d,a,b,c,x[k+11],S42,0xBD3AF235);
            c=II(c,d,a,b,x[k+2], S43,0x2AD7D2BB);
            b=II(b,c,d,a,x[k+9], S44,0xEB86D391);
            a=AddUnsigned(a,AA);
            b=AddUnsigned(b,BB);
            c=AddUnsigned(c,CC);
            d=AddUnsigned(d,DD);
        }

        var temp = WordToHex(a)+WordToHex(b)+WordToHex(c)+WordToHex(d);

        return temp.toLowerCase();
    }

});

utility = new Utility();

// Simple class creation and inheritance
// Inspired by base2 and Prototype
(function(){
    var initializing = false, fnTest = /xyz/.test(function(){
        xyz;
    }) ? /\b_super\b/ : /.*/;

    // The base Class implementation (does nothing)
    this.Class = function(){};

    // Create a new Class that inherits from this class
    Class.extend = function(prop) {
        var _super = this.prototype;

        // Instantiate a base class (but only create the instance,
        // don't run the init constructor)
        initializing = true;
        var prototype = new this();
        initializing = false;

        // Copy the properties over onto the new prototype
        for (var name in prop) {
            // Check if we're overwriting an existing function
            prototype[name] = typeof prop[name] == "function" &&
            typeof _super[name] == "function" && fnTest.test(prop[name]) ?
            (function(name, fn){
                return function() {
                    var tmp = this._super;

                    // Add a new ._super() method that is the same method
                    // but on the super-class
                    this._super = _super[name];

                    // The method only need to be bound temporarily, so we
                    // remove it when we're done executing
                    var ret = fn.apply(this, arguments);
                    this._super = tmp;

                    return ret;
                };
            })(name, prop[name]) :
            prop[name];
        }

        // The dummy class constructor
        function Class() {
            // All construction is actually done in the init method
            if ( !initializing && this.init )
                this.init.apply(this, arguments);
        }

        // Populate our constructed prototype object
        Class.prototype = prototype;

        // Enforce the constructor to be what we expect
        Class.constructor = Class;

        // And make this class extendable
        Class.extend = arguments.callee;

        return Class;
    };
})();