function linked()
{
	if (document.all&&document.getElementById)
	{
		navRoot = document.getElementById("nav");
		
		if(!navRoot) return;
		
		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=linked;