add(hoursField = newHoursTextField(HOURS, new PropertyModel<Integer>(this, HOURS), Integer.class));
add(hoursField = newHoursTextField(HOURS, new PropertyModel<Integer>(this, HOURS), Integer.class));
add(hoursField = newHoursTextField(HOURS, new PropertyModel<Integer>(this, HOURS), Integer.class));
add(hoursField = newHoursTextField(HOURS, new PropertyModel<Integer>(this, HOURS), Integer.class));