/*
 *	http://www.JSON.org/json2.js
 *  2009-09-29
 *  Public Domain.
 *  NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
 *  See http://www.JSON.org/js.html
 */
if (!this.JSON)
{
	this.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)
					{
						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 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.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');
		};
	}
}());