startList = function() {
    if (document.all&&document.getElementById) {
        navRoot = document.getElementById("dropdown");
        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", "");
                }
            }
        }
    }
}
window.onload=startList;

function popup(anchor, width, height) {
    width +=20;
    height += 20;
    var nw = window.open(anchor.href, '_blank',
      'menubar=0,location=0,toolbar=0,personalbar=0,status=0,'
      + 'scrollbars=1,height=' + height + ',width=' + width
    );
    nw.focus(true);
    return false;
}