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;