}
mucOptionsMenu.setVisible(true);
}
});
mucSubjectUpdateListener = new SubjectUpdatedListener() {
public void subjectUpdated(final String subject, final String from) {
txtTopic.getDisplay().asyncExec(new Runnable() { public void run() {
txtTopic.setText(subject);
appendToChatHistory(from,"changed subject to: " + subject,false,"","* ");
}});