String.prototype.parseJSON=function(){try{return !(/[^,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]/.test(this.replace(/"(\\.|[^"\\])*"/g,"")))&&eval("("+this+")")}catch(e){return false}};function toJSONObject(a){var c=typeof a;switch(c){case"undefined":case"function":case"unknown":return;case"boolean":return a.toString()}if(a===null){return"null"}if(a.toJSON){return a.toJSON()}if(Object.isElement(a)){return}var b=[];for(var e in a){var d=Object.toJSON(a[e]);if(d!==undefined){b.push(e.toJSON()+": "+d)}}return"{"+b.join(", ")+"}"};