add:   var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService); observerService.notifyObservers(window, "mail:updateToolbarItems", null); 
context: function UpdateMailToolbar(caller){  //dump("XXX update mail-toolbar " + caller + "\n");  document.commandDispatcher.updateCommands('mail-toolbar');}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/a0cf394eea7a242c9992da625c92fb694a50a4bf/commandglue.js/clean/mailnews/base/resources/content/commandglue.js