startList = function() {

if (document.all&&document.getElementById) {
var collUL = document.getElementsByTagName("UL");
for (j=0; j<collUL.length; j++) {
if (collUL[j].id=="nav") {
navRoot = collUL[j];
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", "") }
}
}
}
// navRoot = document.getElementById("nav");
}
}
}

window.onload=startList;