if (typeof JSON == "undefined") {
    var JSON;
    if (!JSON) {
        JSON = {};
    }
    (function() {
        function f(n) {
            return n < 10 ? "0" + n : n;
        }
        if (typeof Date.prototype.toJSON !== "function") {
            Date.prototype.toJSON = function(key) {
                return isFinite(this.valueOf()) ? this.getUTCFullYear() + "-"
                        + f(this.getUTCMonth() + 1) + "-"
                        + f(this.getUTCDate()) + "T" + f(this.getUTCHours())
                        + ":" + f(this.getUTCMinutes()) + ":"
                        + f(this.getUTCSeconds()) + "Z" : null;
            };
            String.prototype.toJSON = Number.prototype.toJSON = Boolean.prototype.toJSON = function(
                    key) {
                return this.valueOf();
            };
        }
        var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, gap, indent, meta = {
            "\b" : "\\b",
            "\t" : "\\t",
            "\n" : "\\n",
            "\f" : "\\f",
            "\r" : "\\r",
            '"' : '\\"',
            "\\" : "\\\\"
        }, rep;
        function quote(string) {
            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 + '"';
        }
        function str(key, holder) {
            var i, k, v, length, mind = gap, partial, value = holder[key];
            if (value && typeof value === "object"
                    && typeof value.toJSON === "function") {
                value = value.toJSON(key);
            }
            if (typeof rep === "function") {
                value = rep.call(holder, key, value);
            }
            switch (typeof value) {
            case "string":
                return quote(value);
            case "number":
                return isFinite(value) ? String(value) : "null";
            case "boolean":
            case "null":
                return String(value);
            case "object":
                if (!value) {
                    return "null";
                }
                gap += indent;
                partial = [];
                if (Object.prototype.toString.apply(value) === "[object Array]") {
                    length = value.length;
                    for (i = 0; i < length; i += 1) {
                        partial[i] = str(i, value) || "null";
                    }
                    v = partial.length === 0 ? "[]" : gap ? "[\n" + gap
                            + partial.join(",\n" + gap) + "\n" + mind + "]"
                            : "[" + partial.join(",") + "]";
                    gap = mind;
                    return v;
                }
                if (rep && typeof rep === "object") {
                    length = rep.length;
                    for (i = 0; i < length; i += 1) {
                        if (typeof rep[i] === "string") {
                            k = rep[i];
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ": " : ":") + v);
                            }
                        }
                    }
                } else {
                    for (k in value) {
                        if (Object.prototype.hasOwnProperty.call(value, k)) {
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ": " : ":") + v);
                            }
                        }
                    }
                }
                v = partial.length === 0 ? "{}" : gap ? "{\n" + gap
                        + partial.join(",\n" + gap) + "\n" + mind + "}" : "{"
                        + partial.join(",") + "}";
                gap = mind;
                return v;
            }
        }
        if (typeof JSON.stringify !== "function") {
            JSON.stringify = function(value, replacer, space) {
                var i;
                gap = "";
                indent = "";
                if (typeof space === "number") {
                    for (i = 0; i < space; i += 1) {
                        indent += " ";
                    }
                } else {
                    if (typeof space === "string") {
                        indent = space;
                    }
                }
                rep = replacer;
                if (replacer
                        && typeof replacer !== "function"
                        && (typeof replacer !== "object" || typeof replacer.length !== "number")) {
                    throw new Error("JSON.stringify");
                }
                return str("", {
                    "" : value
                });
            };
        }
        if (typeof JSON.parse !== "function") {
            JSON.parse = function(text, reviver) {
                var j;
                function walk(holder, key) {
                    var k, v, value = holder[key];
                    if (value && typeof value === "object") {
                        for (k in value) {
                            if (Object.prototype.hasOwnProperty.call(value, k)) {
                                v = walk(value, k);
                                if (v !== undefined) {
                                    value[k] = v;
                                } else {
                                    delete value[k];
                                }
                            }
                        }
                    }
                    return reviver.call(holder, key, value);
                }
                text = String(text);
                cx.lastIndex = 0;
                if (cx.test(text)) {
                    text = text.replace(cx, function(a) {
                        return "\\u"
                                + ("0000" + a.charCodeAt(0).toString(16))
                                        .slice(-4);
                    });
                }
                if (/^[\],:{}\s]*$/
                        .test(text
                                .replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
                                        "@")
                                .replace(
                                        /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
                                        "]")
                                .replace(/(?:^|:|,)(?:\s*\[)+/g, ""))) {
                    j = eval("(" + text + ")");
                    return typeof reviver === "function" ? walk({
                        "" : j
                    }, "") : j;
                }
                throw new SyntaxError("JSON.parse");
            };
        }
    }());
}