rem: try { vResponseText = this.getRequest().responseText; } catch(ex) {}; 
add: switch(this.getStatusCode()) { case 0: case 200: try { vResponseText = this.getRequest().responseText; } catch(ex) {}; }; 
context: proto.getResponseText = function(){  var vResponseText = null;  try {    vResponseText = this.getRequest().responseText;  } catch(ex) {};  return vResponseText;};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/2bc56ad2c029f595cf3d241e35c38e1170800475/QxXmlHttpTransport.js/clean/qooxdoo/source/script/transport/QxXmlHttpTransport.js