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;