}
private void _openTab(final String DOMID, final String initSubject, final String componentId, final String name, final String instanceId, final Image icon) {
final MessageBus bus = ErraiBus.get();
bus.conversationWith(
createMessage().getMessage().set(LayoutParts.DOMID, DOMID)
.toSubject(initSubject),
new MessageCallback() {
public void callback(Message message) {
final ExtSimplePanel panel = new ExtSimplePanel();