function openWindow(url, name, w, h) {
    var options = "width=" + w + ",height=" + h + ",";
    options += "resizable=yes,scrollbars=yes,status=no,";
    options += "menubar=yes,toolbar=no,location=no,directories=no";
    var newWin = window.open(url, name, options);
    newWin.focus();
}

sfHover = function() {
  // get all LI elments  under id tag  "menu"
        var sfEls = document.getElementById("menu").getElementsByTagName("LI");
  // length === how many there
  // loop through all LIs
     for (var i=0; i<sfEls.length; i++) {
           sfEls[i].onmouseover=function() {
              this.className+=" sfhover";
           }
           sfEls[i].onmouseout=function() {
              this.className=this.className.replace(new RegExp(" sfhover\\b"),
                                                                 "");
           }
     }
}


if (window.attachEvent) window.attachEvent("onload", sfHover);