function arrayToJson(o) {
 var r = [];
 if (typeof o == "string") return "\"" + o.replace(/([\'\"\\])/g, "\\$1").replace(/(\n)/g, "\\n").replace(/(\r)/g, "\\r").replace(/(\t)/g, "\\t") + "\"";
 if (typeof o == "object") {
 if (!o.sort) {
 for (var i in o)
 r.push('"'+i + '":' + arrayToJson(o[i]));
 if (!!document.all && !/^\n?function\s*toString\(\)\s*\{\n?\s*\[native code\]\n?\s*\}\n?\s*$/.test(o.toString)) {
 r.push("toString:" + o.toString.toString());
 }
 r = "{" + r.join() + "}";
 } else {
 for (var i = 0; i < o.length; i++) {
 r.push(arrayToJson(o[i]));
 }
 r = "{" + r.join() + "}";
 }
 return r;
 }
 return o.toString();
 }