private void fillDays(int days) {
    int selectedDayIndex = myDays.getSelectedIndex();
    myDays.removeAllItems();
    for (int i = 0; i < days; i++)
      myDays.addItem(String.valueOf(i + 1));
    if (selectedDayIndex < myDays.getItemCount())
      myDays.setSelectedIndex(selectedDayIndex);
    else
      myDays.setSelectedIndex(myDays.getItemCount() - 1);
  }
private void fillDays(int days)