;(function($) {
    if (!this.jJSON) {
        var jJSON = {};
    }
    (function () {

        function f(n) {
            // Format integers to have at least two digits.
            return n < 10 ? '0' + n : n;
        }

        if (typeof Date.prototype.toJSON !== 'function') {

            Date.prototype.toJSON = function (key) {

                return this.getUTCFullYear()   + '-' +
                     f(this.getUTCMonth() + 1) + '-' +
                     f(this.getUTCDate())      + 'T' +
                     f(this.getUTCHours())     + ':' +
                     f(this.getUTCMinutes())   + ':' +
                     f(this.getUTCSeconds())   + 'Z';
            };

            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 = {    // table of character substitutions
                '\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,          // The loop counter.
                k,          // The member key.
                v,          // The member value.
                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) {
                        k = rep[i];
                        if (typeof k === 'string') {
                            v = str(k, value);
                            if (v) {
                                partial.push(quote(k) + (gap ? ': ' : ':') + v);
                            }
                        }
                    }
                } else {

                    for (k in value) {
                        if (Object.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 jJSON.jstringify !== 'function') {
            jJSON.jstringify = 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 jJSON.jparse !== 'function') {
            jJSON.jparse = 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.hasOwnProperty.call(value, k)) {
                                v = walk(value, k);
                                if (v !== undefined) {
                                    value[k] = v;
                                } else {
                                    delete value[k];
                                }
                            }
                        }
                    }
                    return reviver.call(holder, key, value);
                }

                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');
            };
        }
    })();
    $.toJSON = function(text, reviver) {
        if (typeof reviver == "undefined") {
            reviver = null;
        }
        return jJSON.jparse(text, reviver);
    };
    $.jSONToString = function(value, replacer, space) {
        if (typeof replacer == "undefined") {
            replacer = null;
        }
        if (typeof space == "undefined") {
            space = null;
        }
        return jJSON.jstringify(value, replacer, space);
    };
    
})(jQuery);