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;