startList = function() {
if (document.all && document.getElementById) {
navRoot = document.getElementById("nav");
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(/\s*\bover\b/g, "");}
}
}
}
}
window.onload=startList;