function zeigemenue(id) {
	for (var i = 1; i<=15; i++) {
		if (document.getElementById("menue"+i)) {document.getElementById("menue"+i).style.display="none";}
	}
if (document.getElementById(id)) {document.getElementById(id).style.display="block";}
}

function zeigesubmenue(id) {
	for (var i = 1; i<=20; i++) {
		if (document.getElementById("submenue"+i)) {document.getElementById("submenue"+i).style.display="none";}
	}
if (document.getElementById(id)) {document.getElementById(id).style.display="block";}
}

function zeigesubsubmenue(id) {
	for (var i = 1; i<=50; i++) {
		if (document.getElementById("subsubmenue"+i)) {document.getElementById("subsubmenue"+i).style.display="none";}
	}
if (document.getElementById(id)) {document.getElementById(id).style.display="block";}
}