*/
private boolean elementEnabled(Element element) {
if (DOM.isOrHasChild(getElement(), element))
return true;
Widget cursor = this.getParent();
Widget lastSlider = this;
Widget firstSlider = null;
while (!(cursor instanceof SliderTabPanel)
&& !(cursor instanceof RootPanel)) {
if (cursor instanceof Slider) {
lastSlider = cursor;
if (firstSlider == null)