super.init();
gridBuilder.newSplitPanel(GridSize.SPAN8);
fieldset = gridBuilder.newFieldset(getString("label.options"));
final CalendarPageSupport calendarPageSupport = createCalendarPageSupport();
calendarPageSupport.addUserSelectPanel(fieldset, new PropertyModel<PFUserDO>(this, "timesheetsUser"), true);
currentDatePanel = new JodaDatePanel(fieldset.newChildId(), new PropertyModel<DateMidnight>(filter, "startDate")).setAutosubmit(true);
currentDatePanel.getDateField().setOutputMarkupId(true);
fieldset.add(currentDatePanel);
final DropDownChoice<Integer> firstHourDropDownChoice = new DropDownChoice<Integer>(fieldset.getDropDownChoiceId(),
new PropertyModel<Integer>(filter, "firstHour"), DateTimePanel.getHourOfDayRenderer().getValues(),