public void setAusgewaehlt(boolean aktiv)
	{
		Color[] mitRaum = new Color[] { new Color(0.4f, 0.4f, 0.8f),
				new Color(0.2f, 0.2f, 0.5f) };
		Color[] ohneRaum = new Color[] { Color.lightGray, Color.gray };
		Color[] startRaum = new Color[] { new Color(0.4f, 0.8f, 0.4f),
				new Color(0.2f, 0.5f, 0.2f) };
		Color[] endRaum = new Color[] { new Color(0.8f, 0.4f, 0.4f),
				new Color(0.5f, 0.2f, 0.2f) };

		Color[] set = ohneRaum;

		if(_raum != null)
		{
			switch (_raum.getRaumart())
			{
			case Start:
				set = startRaum;
				break;
			case Ende:
				set = endRaum;
				break;
			default:
				set = mitRaum;
			}
		}

		setBackground(set[aktiv ? 0 : 1]);
		//setBorderPainted(aktiv);
		//setBorder(aktiv ? BorderFactory.createLineBorder(Color.white, 3)
		//				: BorderFactory.createLineBorder(Color.lightGray, 1));

		//setBorder(aktiv ? BorderFactory.createBevelBorder(BevelBorder.RAISED, set[1], Color.black)
		//				: BorderFactory.createSoftBevelBorder(BevelBorder.RAISED));

		setBorder(BorderFactory.createBevelBorder(BevelBorder.RAISED,
				_raum != null ? set[aktiv ? 1 : 0]
						: new Color(0.6f, 0.6f, 0.6f), Color.black));
	}