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;