};
WebMarkupContainer elementsContainer = new WebMarkupContainer("elementsContainer");
sortableBehavior = new SortableBehavior();
sortableBehavior
.setUpdateEvent(new JsScopeUiEvent() {
private static final long serialVersionUID = 1L;
@Override
protected void execute(JsScopeContext scopeContext) {
scopeContext.append("onSortableUpdate($(this));");