startMenu = function() 
{
if (document.all&&document.getElementById) {
cssmenu = document.getElementById("csstopmenu");
css2menu = document.getElementById("css2topmenu");

for (i=0; i<cssmenu.childNodes.length; i++) {
node = cssmenu.childNodes[i];

if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over"; }
node.onmouseout=function(){                  
this.className=this.className.replace(" over", "") }}}}}
if (window.attachEvent)
window.attachEvent("onload", startMenu)
else
window.onload=startMenu;