rem: this.messenger.SetWindow(null, null); 
add: this.messenger.setWindow(null, null); 
context:   close : function ()   {    if (this.dbView)      this.dbView.close();    if (this.messenger)      this.messenger.SetWindow(null, null);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9421/3e8609b0d74f946d9364f119a3e0031a8e64bbc4/mailWindowOverlay.js/buggy/mail/base/content/mailWindowOverlay.js