/**
* Implements JSON stringify and parse functions
* v1.0
*
* By Craig Buckler, Optimalworks.net
*
* As featured on SitePoint.com
* Please use as you wish at your own risk.
*
* Usage:
*
* // serialize a JavaScript object to a JSON string
* var str = JSON.stringify(object);
*
* // de-serialize a JSON string to a JavaScript object
* var obj = JSON.parse(str);
*/

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 ? "]" : "}");
    }
};


// implement JSON.parse de-serialization
JSON.parse = JSON.parse || function(str)
{
    if (str === "") str = '""';
    eval("var p=" + str + ";");
    return p;
};