@Override
	public void stateChanged(ChangeEvent e) {

		Object obj = e.getSource();
		if (obj instanceof JTabbedPane) // tab clicked
		{

			JTabbedPane tab = (JTabbedPane) obj;

			if (tab.getSelectedIndex() != 2)
				return;

			refreshContestantCBs();
			return;
		}
	}