function show(name) {
		if (document.getElementById(name)!=null)
		{
 		elem = document.getElementById(name);
		var link = elem.parentNode.firstChild;
		if (elem.style.display == "none" || !elem.style.display) {
			elem.style.display = "block";			
			link.className = 'selected';
		} else {
			elem.style.display = "none";
			link.className = '';
		}
		}
	}