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

   }
   }
  }
 }
}
window.onload=startList;