/*
	json.js - original at http://www.json.org/json2.js
	6/22/2010 12:54PM
	
	Usage:
		text = JSON.stringify(['e', {pluribus: 'unum'}]);
*/

if( !this.JSON ) {
    this.JSON = {};
}

( 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 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 = { // 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, k, v, length, mind = gap, partial;
		try {
			var value = holder[key];
		} catch(e) {
			var value = false;
		}

		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 = '[]';
					if( partial.length ) {
						if( gap ) {
							v = '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']';
						} else {
							v = '[' + 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 = '{}';
				if( partial.length ) {
					if( gap ) {
						v = '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}';
					} else {
						v = '{' + partial.join(',') + '}';
					}
				}
				gap = mind;
				return v;
		} // end switch
	};

	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);
			}

			text = String(text);
			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');
		};
	}
}() );