function startList() {
		if (document.all && document.getElementById) { 
			navRoot = document.getElementById("nav"); 
			
			for (i=0; i<navRoot.childNodes.length; i++) { 
				node = navRoot.childNodes[i]; 
				if (node.nodeName=="LI") { 
					
					node.onmouseover=function() { 
						this.className+=" over"; 
					} 
					node.onmouseout=function() { 
						this.className=this.className.replace (" over", " "); 
					} 
				} 
			} 
		} 
	}