// JavaScript Document
function menue(an,aus1,aus2) {
	document.getElementById(an).style.visibility='visible';
	document.getElementById(aus1).style.visibility='hidden';
	document.getElementById(aus2).style.visibility='hidden';
}
function hidemenue(aus1,aus2,aus3) {
	document.getElementById('submenue'+aus1).style.visibility='hidden';
	document.getElementById('submenue'+aus2).style.visibility='hidden';
	document.getElementById('submenue'+aus3).style.visibility='hidden';
}