function toggleDisplay(id) {
			imageid = id+"img";
			if ( document.getElementById(id).style.display == "block" ) {
				document.getElementById(id).style.display = "none";
				document.getElementById(imageid).src = "fileadmin/img/aufklappen_pfeil.gif";
			} else {
				document.getElementById(id).style.display = "block";
				document.getElementById(imageid).src = "fileadmin/img/zuklappen_pfeil.gif";
			}
		}

function fensterOeffnen (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=730,height=650,left=100,top=200, scrollbar=yes");
  Fenster1.focus();
}