rem: if (msgComposeProgress) 
add: if (msgProgress) 
context: function onUnload() {  if (!itsASaveOperation)  {    // remember the user's decision for the checkbox.    var prefs = Components.classes[prefContractID].getService(Components.interfaces.nsIPref);    if (prefs)      prefs.SetBoolPref("mailnews.send.progressDnldDialog.keepAlive", keepProgressWindowUpBox.checked);  }  if (msgComposeProgress)  {   try    {     msgComposeProgress.unregisterListener(progressListener);     msgComposeProgress = null;   }       catch( exception ) {}  }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/91146929de1eff813e6a3b1328358b7d19940cf5/sendProgress.js/buggy/mailnews/compose/resources/content/sendProgress.js