function toggleMenu(num, s){
	var obj = document.getElementById("nav" + num);

	if(num != 1)
		document.getElementById("nav1").style.display = "none";
	if(num != 2)
		document.getElementById("nav2").style.display = "none";
	if(num != 3)
		document.getElementById("nav3").style.display = "none";
	if(num != 4)
		document.getElementById("nav4").style.display = "none";
	if(num != 5)
		document.getElementById("nav5").style.display = "none";
		
	if(obj.style.display == "block" || obj.style.display == "")
	{
		// Collapse menu
		obj.style.display = "none";
	}
	else
	{
		// Expand menu
		//if(num != 4)
			obj.style.display = "block";
	}
}

function Bildwechsel1(id, num) {
 	window.document.getElementById(id).src = "/RR/images/nav/navSel"+num+".gif";
}

function Bildwechsel2(id, num) {
 	window.document.getElementById(id).src = "/RR/images/nav/nav"+num+".gif";
}

function markeNav(id) {
	window.document.getElementById(id).style = 'font-weight:bold';	
}