@Override
	public String getColumnName (int column) {
		if (column == 0)
			return "Name";
		if (column == 1)
			return "Vorname";
		if (column == 3 + MainWindow.setupData.getEventLength () -1 +1)
			return "Teilnehmer";
		if (column == 3 + MainWindow.setupData.getEventLength () -1 +2)
			return "Aktiv";
		if (column == 3 + MainWindow.setupData.getEventLength () -1 +3)
			return "B\u00FCro";
		if (column == 3 + MainWindow.setupData.getEventLength () -1 +4)
			return "Urlaub";
		return MainWindow.setupData.getDateAsString(column-2);
	}