timeout = '';
	activeNav = activeNavBegin;
	
	function setClasses(classnaam){
		navLink = document.getElementById(activeNav+'Link');
		navDiv = document.getElementById(activeNav+'Group');				
		navLink.className = classnaam;
		navDiv.className = classnaam;	
	}
	
	function setNavBeginActive(elementje){
		if(activeNav != activeNavBegin){
			setClasses('');
			activeNav = activeNavBegin;
			if(activeNav != ''){
				setClasses('active');
			}
		}
	}	
	
	function setNavActive(elementje){
		if(activeNav != ''){
			setClasses('');
		}
		activeNav = elementje.substr(0,(elementje.length-4));
		setClasses('active');
	}

	function beginTimeout(){
		timeout = setTimeout("setNavBeginActive()", 3000);
	}
	
	function stopTimeout(){
		clearTimeout(timeout);
	}