IButton customButton = new EnhancedIButton(MSG.common_buttonbar_custom());
customButton.setWidth(60);
customButton.setActionType(SelectionType.RADIO);
customButton.setRadioGroup(TIMERANGE);
customButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent clickEvent) {
CustomDateRangeWindow customDateRangeWindow = new CustomDateRangeWindow(MSG
.common_buttonbar_custom_window_title(), MSG.common_buttonbar_custom_window_subtitle(), self,
new Date(CustomDateRangeState.getInstance().getStartTime()), new Date(CustomDateRangeState