startList = function()
{
if (document.all&&document.getElementById)
	{
		navRoot = document.getElementById("nav");
		overlayRoot = document.getElementById("overlay");
		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;