UpdateCommands();
UpdateCommands("blur");
XULCommandDispatcherImpl::Blur(nsIDOMEvent* aEvent){  nsCOMPtr<nsIDOMNode> t;  aEvent->GetTarget(getter_AddRefs(t));  nsCOMPtr<nsIDOMElement> target = do_QueryInterface(t);    if (target.get() == mCurrentElement) {    SetFocusedElement(nsnull);    UpdateCommands();  }  return NS_OK;}