function PopUp(URL, Breite, Hoehe)
				{

				Links = (screen.width - Breite) / 2;
				Oben = (screen.height - Hoehe) / 2;
				F1 = window.open(URL,"meinfenster","width=" + Breite + ",height=" + Hoehe + ",left=" + Links + ",top=" + Oben + ",scrollbars=yes,status=no,toolbar=no,menubar=no");

				}

function LinkParent(url)
	{
    opener.location.href = url;
    window.close();
	}