code: private void initSelectBoxes() {
  
          m_atDay.getOpener().setStyleName(
              org.opencms.acacia.client.css.I_CmsWidgetsLayoutBundle.INSTANCE.widgetCss().selectBoxSelected());
          m_atDay.getSelectorPopup().addStyleName(I_CmsLayoutBundle.INSTANCE.globalWidgetCss().selectBoxPopup());
          m_atDay.addOption(WeekDay.SUNDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_SUNDAY_0));
          m_atDay.addOption(WeekDay.MONDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_MONDAY_0));
          m_atDay.addOption(WeekDay.TUESDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_TUESDAY_0));
          m_atDay.addOption(WeekDay.WEDNESDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_WEDNESDAY_0));
          m_atDay.addOption(WeekDay.THURSDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_THURSDAY_0));
          m_atDay.addOption(WeekDay.FRIDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_FRIDAY_0));
          m_atDay.addOption(WeekDay.SATURDAY.toString(), Messages.get().key(Messages.GUI_SERIALDATE_DAY_SATURDAY_0));
          m_atDay.setWidth("100px");
      }
docs: Creates the 'at' selection view.<p>