public void updateParticipantsPanel () {
		
		Integer c[] = MainWindow.tripDB.getParticipantsCount (targetDay.getTime());
		Integer t = 0;
		for (int i = 0; i < 5; i++) {
			t += c[i];
			tfWW[i].setText(((Integer)c[i]).toString());
		}
		tfTotal.setText(t.toString());
		
	}