add: else { alert("HE"+reason);} 
context: DWREngine._handleError = function(reason, ex) {  if (DWREngine._errorHandler) {    DWREngine._errorHandler(reason, ex);  }};
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/631466a360278e355e59ce204f85a808eb10c8c5/engine.js/buggy/java/uk/ltd/getahead/dwr/engine.js