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;