startList = function() {
if (document.all && document.getElementById &&! window.opera) {
var navRoot = nav.getElementsByTagName("ul");
for (k=0; k < navRoot.length; k++) {
for (i=0; i < navRoot[k].childNodes.length; i++) {
node = navRoot[k].childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
 }
 node.onmouseout=function() {
 this.className=this.className.replace
 (" over", "");
 }
 }
 }
 }
 }
}
window.onload=startList;