/* 
öffnet einen Popup-Kalender
Verlangt den Namen des Datums-Formularelements und $basepath_url
*/

function popup_calendar(Target,Base)
{
    datum = document.getElementById(Target).value;
	window_url = Base + "popup.calendar.php?target=" + Target + "&value=" + datum;
	window.open(window_url, "Kalender", "width=250,height=250,resizable=yes,scrollbars=auto,status=no");
}