var JSON = JSON || {};

// implement JSON.stringify serialization
JSON.stringify = JSON.stringify || function (obj) {
    var t = typeof (obj);
    if (t != "object" || obj === null) {

        // simple data type
        if (t == "string") obj = '"'+obj+'"';
        return String(obj);

    } else {

        // recurse array or object
        var n, v, json = [], arr = (obj && obj.constructor == Array);

        for (n in obj) {
            v = obj[n]; t = typeof(v);

            if (t == "string") v = '"'+v+'"';
            else if (t == "object" && v !== null) v = JSON.stringify(v);

            json.push((arr ? "" : '"' + n + '":') + String(v));
        }

        return (arr ? "[" : "{") + String(json) + (arr ? "]" : "}");
    }
};