rem: return this.getIframeContentDocument(); 
add: return this.getIframeDocument(); 
context: proto.getResponseXml = function() {  return this.getIframeContentDocument();};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/a9fe42121d03bf61e5b50f84f1ce19c75ef71fdf/QxIframeTransport.js/clean/qooxdoo/source/script/transport/QxIframeTransport.js