function changeMenu(elm,nr,pos) {
	if(!pos) pos='';
	var menuActive = document.getElementById(elm);
	var inhaltActive = document.getElementById(elm+'inhalt');
	var titellead = document.getElementById(pos+'titellead'+nr);
	var text = document.getElementById(pos+'text'+nr);
	var bild = document.getElementById(pos+'bild'+nr);
	var link = document.getElementById(pos+'link'+nr);
	var include = document.getElementById(pos+'include'+nr);
	var titelleadinhalt = document.getElementById(pos+'titellead'+nr+'inhalt');
	var textinhalt = document.getElementById(pos+'text'+nr+'inhalt');
	var bildinhalt = document.getElementById(pos+'bild'+nr+'inhalt');
	var linkinhalt = document.getElementById(pos+'link'+nr+'inhalt');
	var includeinhalt = document.getElementById(pos+'include'+nr+'inhalt');
				
	menuActive.className = "menuActive";
	inhaltActive.style.display = "block";
				
	if(titellead!=menuActive) {titellead.className = "menu";titelleadinhalt.style.display = "none";}
	if(text!=menuActive) {text.className = "menu";textinhalt.style.display = "none";}
	if(bild!=menuActive) {bild.className = "menu";bildinhalt.style.display = "none";}
	if(link!=menuActive) {link.className = "menu";linkinhalt.style.display = "none";}
	if(include!=menuActive) {include.className = "menu";includeinhalt.style.display = "none";}
}