function StringBuilder() {
    this.__strings__ = new Array;

    if (typeof StringBuilder._initialized == "undefined") {
        StringBuilder.prototype.append = function (str) {
            this.__strings__.push(str);
        };

        StringBuilder.prototype.prvAppend = function (str) {
            this.__strings__.unshift(str);
        };

        StringBuilder.prototype.tostring = function () {
            return this.__strings__.join("");
        };
        StringBuilder._initialized = true;
    }
}

String.prototype.format = function () {
    var args = arguments;
    return this.replace(/\{(\d+)\}/g,
        function (m, i) {
            return args[i];
        });
}
String.format = function () {
    if (arguments.length == 0)
        return null;

    var str = arguments[0];
    for (var i = 1; i < arguments.length; i++) {
        var re = new RegExp('\\{' + (i - 1) + '\\}', 'gm');
        str = str.replace(re, arguments[i]);
    }
    return str;
}

//-------------JSON---------------------
(function ($) {
    $.toJSON = function (o) {
        if (typeof (JSON) == 'object' && JSON.stringify)
            return JSON.stringify(o); var type = typeof (o); if (o === null)
                return "null"; if (type == "undefined")
                    return undefined; if (type == "number" || type == "boolean")
                        return o + ""; if (type == "string")
                            return $.quoteString(o); if (type == 'object') {
                                if (typeof o.toJSON == "function")
                                    return $.toJSON(o.toJSON()); if (o.constructor === Date) {
                                        var month = o.getUTCMonth() + 1; if (month < 10) month = '0' + month; var day = o.getUTCDate(); if (day < 10) day = '0' + day; var year = o.getUTCFullYear(); var hours = o.getUTCHours(); if (hours < 10) hours = '0' + hours; var minutes = o.getUTCMinutes(); if (minutes < 10) minutes = '0' + minutes; var seconds = o.getUTCSeconds(); if (seconds < 10) seconds = '0' + seconds; var milli = o.getUTCMilliseconds(); if (milli < 100) milli = '0' + milli; if (milli < 10) milli = '0' + milli; return '"' + year + '-' + month + '-' + day + 'T' +
                                        hours + ':' + minutes + ':' + seconds + '.' + milli + 'Z"';
                                    }
                                if (o.constructor === Array) {
                                    var ret = []; for (var i = 0; i < o.length; i++)
                                        ret.push($.toJSON(o[i]) || "null"); return "[" + ret.join(",") + "]";
                                }
                                var pairs = []; for (var k in o) {
                                    var name; var type = typeof k; if (type == "number")
                                        name = '"' + k + '"'; else if (type == "string")
                                            name = $.quoteString(k); else
                                            continue; if (typeof o[k] == "function")
                                                continue; var val = $.toJSON(o[k]); pairs.push(name + ":" + val);
                                }
                                return "{" + pairs.join(", ") + "}";
                            }
    }; $.evalJSON = function (src) {
        if (typeof (JSON) == 'object' && JSON.parse)
            return JSON.parse(src); return eval("(" + src + ")");
    }; $.secureEvalJSON = function (src) {
        if (typeof (JSON) == 'object' && JSON.parse)
            return JSON.parse(src); var filtered = src; filtered = filtered.replace(/\\["\\\/bfnrtu]/g, '@'); filtered = filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']'); filtered = filtered.replace(/(?:^|:|,)(?:\s*\[)+/g, ''); if (/^[\],:{}\s]*$/.test(filtered))
                return eval("(" + src + ")"); else
                throw new SyntaxError("Error parsing JSON, source is not valid.");
    }; $.quoteString = function (string) {
        if (string.match(_escapeable)) {
            return '"' + string.replace(_escapeable, function (a)
            { var c = _meta[a]; if (typeof c === 'string') return c; c = a.charCodeAt(); return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16); }) + '"';
        }
        return '"' + string + '"';
    }; var _escapeable = /["\\\x00-\x1f\x7f-\x9f]/g; var _meta = { '\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', '\r': '\\r', '"': '\\"', '\\': '\\\\' };
})(jQuery);