startList = function() {
    lastHover=false;
    if (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() {
                    for (j=0; j<navRoot.childNodes.length; j++) {
                        noode = navRoot.childNodes[j];
                        if (noode.nodeName=="LI") {
                            noode.className=noode.className.replace(" over", "");
                            noode.className=noode.className.replace("over", "");
                        }
                    }
                    this.className+=" over";
                }
                node.onmouseout=function() {
                    //this.className=this.className.replace(" over", "");
                }
            }
        }
    }
}
window.onload=startList;