function moveLeft (carID) {
	
		if (document.getElementById("car_"+(carID-1))) {
			var li_top = document.getElementById("car_"+carID);
			li_top.style.display = 'none';
			
			var li_topNew = document.getElementById("car_"+(carID-1));	
			li_topNew.style.display = 'block';
			
			/*
			alert(carID-1);
			if ((carID-1) == 0) {
				alert("hoi");
				document.getElementById("carLlink_"+carID-1).removeAttribute("href");		
			}*/
		}	
		
	}

	function moveRight (carID) {		
	
		if (document.getElementById("car_"+(carID+1))) {
			var li_top = document.getElementById("car_"+carID);
			li_top.style.display = 'none';
			
			var li_topNew = document.getElementById("car_"+(carID+1));	
			li_topNew.style.display = 'block';
			
			
		}		
	}
	
	//document.getElementById("carLlink_0").removeAttribute("href");