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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/8534f3b7e1882bf8d577791dee102218abe54483/commandglue.js/clean/mailnews/base/resources/content/commandglue.js