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

 function f(n) {
  
 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 = {  
 '\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');
 };
 }
})();