add: RemoveToolBarPrefListener(); 
context: function OnUnloadMessenger(){  accountManager.removeIncomingServerListener(gThreePaneIncomingServerListener);  // FIX ME - later we will be able to use onload from the overlay  OnUnloadMsgHeaderPane();  OnMailWindowUnload();}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/53c11cabe0331ba7c289c7b4e64a3506038c95f1/msgMail3PaneWindow.js/buggy/mailnews/base/resources/content/msgMail3PaneWindow.js