add: msgWindow.closeWindow();  
context: function OnUnloadMessageWindow(){	messenger.SetWindow(null, null);}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/c8bac5508be050b669afd9dd6a1bb1e3dd06377e/messageWindow.js/clean/mailnews/base/resources/content/messageWindow.js