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