add: return; 
context: proto.send = function(){  this._lastReadyState = 0;  var vRequest = this.getRequest();  var vMethod = QxXmlHttpTransport.supportsOnlyGetMethod ? QxConst.METHOD_GET : this.getMethod();  var vUrl = this.getUrl();  vUrl += "?random=" + Math.random();  if (this.getUsername())  {    vRequest.open(vMethod, vUrl, this.getAsynchronous(), this.getUsername(), this.getPassword());  }  else  {    vRequest.open(vMethod, vUrl, this.getAsynchronous());  };  try  {    vRequest.send(this.getData());  }  catch(ex)  {    this.failedLocally();  };  if (!this.getAsynchronous()) {    this._onreadystatechange();  };};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/66ca5c05ca273198f31d5653b2d05d0bf73771cd/QxXmlHttpTransport.js/clean/qooxdoo/source/script/transport/QxXmlHttpTransport.js