addLoadEvent(enableMenus);

function enableMenus() {
  if (!document.all) return false;
  if(!document.getElementById("navigation")) return false;
  var navRoot = document.getElementById("navigation");
  navRoot = navRoot.firstChild;
  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", "");
    }
   }
  
  }
}