function toggle(id){
	ul = "ul_" + id;
	ulElement = document.getElementById(ul);
	if (ulElement){
		if (ulElement.className == 'closed'){
			ulElement.className = "open";
			}else{
			ulElement.className = "closed";
			}
		}
	}
function toggleol(id){
	ol = "ol_" + id;
	olElement = document.getElementById(ol);
	if (olElement){
		if (olElement.className == 'closed'){
			olElement.className = "open";
			}else{
			olElement.className = "closed";
			}
		}
	}