function startList(id1){
	var nodes = document.getElementById("nav"+id1).getElementsByTagName("LI"); 
	for (var i=0; i<nodes.length; i++) { 
		nodes[i].onmouseover = function() { 
			this.className += " over"; 
		} 
		nodes[i].onmouseout = function() { 
			//this.className = this.className.replace(new RegExp(" over"), ""); 
			this.className = "";
		}
	}
}