function obj2str(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+":"+obj2str(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