(function () {
var m = {'\b': '\\b','\t': '\\t','\n': '\\n','\f': '\\f','\r': '\\r','"' : '\\"','\\': '\\\\'},
s = {
array:function (x) {var a = ['['],b,f,i,l=x.length,v;for(i=0;i<l;i+=1){v=x[i];f=s[typeof v];if (f){v=f(v);if(typeof v=='string'){if(b){a[a.length]=',';}a[a.length]=v;b=true;}}}a[a.length]=']';return a.join('');},
'boolean':function (x){return String(x);},
'null': function (x) {return "null";},
number:function (x) {return isFinite(x) ? String(x):'null';},
object:function (x) {if (x) {if (x instanceof Array) {return s.array(x);}
var a = new Array('{');
var b, f, i, v;
for (i in x) {
v = x[i];
f = s[typeof v];
if (f) {
v = f(v);
if (typeof v == 'string') {
if (b) {
a[a.length] = ',';
}
a[a.length] = s.string(i);
a[a.length] = ':';
a[a.length] = v;
b = true;
}
}
}
a[a.length] = '}';
return a.join('');
}
return 'null';
},
string: function (x) {
if (/["\\\x00-\x1f]/.test(x)) {
x = x.replace(/([\x00-\x1f\\"])/g, function(a, b) {
var c = m[b];
if (c) {
return c;
}
c = b.charCodeAt();
return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);});}
return '"' + x + '"';
}
};
Object.prototype.toJSONString = function () {
return s.object(this);
};
Array.prototype.toJSONString = function () {
return s.array(this);
};
})();
String.prototype.parseJSON = function () {
try {
return !(/[^,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/.test(
this.replace(/"(\\.|[^"\\])*"/g, ''))) &&
eval('(' + this + ')');
} catch (e) {
return false;
}
};