}else{url=url+"?"+data}data=null}var url_old=url;url=$Ajax.decorateUrl(url);url=url?url:url_old;
this._xhr.open(this._options.method.toUpperCase(),url,this._options.async);$H(this._options.headers).each(function(key,value){try{this._xhr.setRequestHeader(key,value)
}catch(e){}},this);this._xhr.onreadystatechange=arale.hitch(this,this.onStateChange);
