private void onTransistionEnd(TransitionEndEvent event, boolean issueEvent) {
EventTarget eventTarget = event.getNativeEvent().getEventTarget();
if (Node.is(eventTarget)) {
if (Element.is(eventTarget)) {
Element target = eventTarget.cast();
Element scrollerElement = this.scroller.getElement();
// reference id should be okay according to
// http://google-web-toolkit.googlecode.com/svn/javadoc/latest/com/google/gwt/user/client/DOM.html#compare(com.google.gwt.user.client.Element,
// com.google.gwt.user.client.Element)
if (target != scrollerElement) {