function bookmark(url, title) {  
  if ((navigator.appName == 'Microsoft Internet Explorer') && (parseInt(navigator.appVersion) >= 4)) {
    window.external.AddFavorite(url,title);
  }
  else {
    var msg = "Don't forget to bookmark us!";
    if (navigator.appName == "Netscape") msg += " (CTRL-D)";
    document.write(msg);
  }
}

function openWindow(url, win, features) {
  window.open(url, win, features);
}