jquery.json = {
    usehasown: ({}.hasownproperty ? true : false),
    pad: function (n) {
        return n < 10 ? "0" + n : n;
    },
    m: {
        "\b": '\\b',
        "\t": '\\t',
        "\n": '\\n',
        "\f": '\\f',
        "\r": '\\r',
        '"': '\\"',
        "\\": '\\\\'
    },
    encodestring: function (s) {
        if (/["\\\x00-\x1f]/.test(s)) {
            return '"' + s.replace(/([\x00-\x1f\\"])/g, function (a, b) {
                var c = $.json.m[b];
                if (c) {
                    return c;
                }
                c = b.charcodeat();
                return "\\u00" +
math.floor(c / 16).tostring(16) +
(c % 16).tostring(16);
            }) + '"';
        }
        return '"' + s + '"';
    },
    encodearray: function (o) {
        var a = ["["], b, i, l = o.length, v;
        for (i = 0; i < l; i += 1) {
            v = o[i];
            switch (typeof v) {
                case "undefined":
                case "function":
                case "unknown":
                    break;
                default:
                    if (b) {
                        a.push(',');
                    }
                    a.push(v === null ? "null" : this.encode(v));
                    b = true;
            }
        }
        a.push("]");
        return a.join("");
    },
    encodedate: function (o) {
        return '"' + o.getfullyear() + "-" +
pad(o.getmonth() + 1) + "-" +
pad(o.getdate()) + "t" +
pad(o.gethours()) + ":" +
pad(o.getminutes()) + ":" +
pad(o.getseconds()) + '"';
    },
    encode: function (o) {
        if (typeof o == "undefined" || o === null) {
            return "null";
        } else if (o instanceof array) {
            return this.encodearray(o);
        } else if (o instanceof date) {
            return this.encodedate(o);
        } else if (typeof o == "string") {
            return this.encodestring(o);
        } else if (typeof o == "number") {
            return isfinite(o) ? string(o) : "null";
        } else if (typeof o == "boolean") {
            return string(o);
        } else {
            var self = this;

            var a = ["{"], b, i, v;
            for (i in o) {
                if (!this.usehasown || o.hasownproperty(i)) {
                    v = o[i];
                    switch (typeof v) {
                        case "undefined":
                        case "function":
                        case "unknown":
                            break;
                        default:
                            if (b) {
                                a.push(',');
                            }
                            a.push(self.encode(i), ":",
v === null ? "null" : self.encode(v));
                            b = true;
                    }
                }
            }
            a.push("}");
            return a.join("");
        }
    },
    decode: function (json) {
        return eval("(" + json + ')');
    }
};