startList = function() 
{ 
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", ""); } 
			} 
		} 
    }
} 
window.onload=startList;