add: goUpdateCommand("button_junk"); 
context:   displayMessageChanged : function(aFolder, aSubject, aKeywords)  {    setTitleFromFolder(aFolder, aSubject);    gHaveLoadedMessage = true;    SetKeywords(aKeywords);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/993fd3f3224d78edda5c58c0c1bd6143a1a6a232/threadPane.js/buggy/mailnews/base/resources/content/threadPane.js