startList = function() {
if (document.all && document.getElementById) {
valikkoRoot = document.getElementById("valikko");
for (i=0; i<valikkoRoot.childNodes.length; i++) {
  node = valikkoRoot.childNodes[i];
  if (node.nodeName=="LI") {
  node.onmouseover=function() {
  this.className+=" over";
    }
  node.onmouseout=function() {
  this.className=this.className.replace
      (" over", "");
   }
   }
  }
 }
}
window.onload=startList;