Ext_util_JSON = new (function(){
var useHasOwn = {}.hasOwnProperty ? true : false;


var pad = function(n) {
return n < 10 ? "0" + n : n;
};
var m = {
"\b": '\\b',
"\t": '\\t',
"\n": '\\n',
"\f": '\\f',
"\r": '\\r',
'"' : '\\"',
"\\": '\\\\'
};
var encodeString = function(s){
if (/["\\\x00-\x1f]/.test(s)) {
return '"' + s.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 '"' + s + '"';
};
var encodeArray = function(o){
var a = ["["], b, i, l = o.length, v;
for (i = 0; i < l; i += 1) {
v = o[i];
switch (typeof v) {
case "undefined":
case "function":
case "unknown":
break;
default:
if (b) {
a.push(',');
}
a.push(v === null ? "null" : Ext_util_JSON.encode(v));
b = true;
}
}
a.push("]");
return a.join("");
};
var encodeDate = function(o){
return '"' + o.getFullYear() + "-" +
pad(o.getMonth() + 1) + "-" +
pad(o.getDate()) + "T" +
pad(o.getHours()) + ":" +
pad(o.getMinutes()) + ":" +
pad(o.getSeconds()) + '"';
};

this.encode = function(o){
if(typeof o == "undefined" || o === null){
return "null";
}else if(o instanceof Array){
return encodeArray(o);
}else if(o instanceof Date){
return encodeDate(o);
}else if(typeof o == "string"){
return encodeString(o);
}else if(typeof o == "number"){
return isFinite(o) ? String(o) : "null";
}else if(typeof o == "boolean"){
return String(o);
}else {
var a = ["{"], b, i, v;
for (i in o) {
if(!useHasOwn || o.hasOwnProperty(i)) {
v = o[i];
switch (typeof v) {
case "undefined":
case "function":
case "unknown":
break;
default:
if(b){
a.push(',');
}
a.push(Ext_util_JSON.encode(i), ":",
v === null ? "null" : Ext_util_JSON.encode(v));
b = true;
}
}
}
a.push("}");
return a.join("");
}
};

this.decode = function(json){
return eval("(" + json + ')');
};
})();

Ext_encode = Ext_util_JSON.encode;

Ext_decode = Ext_util_JSON.decode;