super.onFirstShowPage();
final PVerticalPanel panel = new PVerticalPanel();
panel.setSpacing(10);
datePicker = new PDatePicker();
datePicker.addStyleToDates("off", dates("12/25/2013", "01/01/2014", "04/26/2014"));
datePicker.addValueChangeHandler(new PValueChangeHandler<Date>() {
@Override
public void onValueChange(final PValueChangeEvent<Date> event) {