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";
								this.style.zIndex=300;
  							}
							node.onmouseout=function() 
							{
								this.className=this.className.replace(" over", "");
							}
					}
			}
	}
}
window.onload=startList;