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;