function fwLoadMenus() {
  if (window.fw_menu_0) return;  
  window.fw_menu_0 = new Menu("root",91,19,"Arial, Helvetica, sans-serif",12,"#003399","#003399","#ffffff","#D0DFF1");
  fw_menu_0.addMenuItem("Sun","location='http://www.nus.de/sun.html'");
  fw_menu_0.addMenuItem("ThinClients","location='http://www.nus.de/thinclients.html'");
  fw_menu_0.addMenuItem("PC + Server","location='http://www.nus.de/pc_server.html'");
  fw_menu_0.addMenuItem("Storage","location='http://www.nus.de/storage.html'");
  fw_menu_0.hideOnMouseOut=true;
  window.fw_menu_1 = new Menu("root",91,19,"Arial, Helvetica, sans-serif",12,"#003399","#003399","#ffffff","#D0DFF1");
  fw_menu_1.addMenuItem("Über NuS","location='http://www.nus.de/ueber_nus.html'");
  fw_menu_1.addMenuItem("Referenzen","location='http://www.nus.de/referenzen.html'");
  fw_menu_1.addMenuItem("Presse","location='http://www.nus.de/presse.html'"); 
  fw_menu_1.addMenuItem("Kontakt","location='http://www.nus.de/kontakt.html'");
  fw_menu_1.addMenuItem("Anfahrt","location='http://www.nus.de/anfahrt.html'");
  fw_menu_1.addMenuItem("Impressum","location='http://www.nus.de/impressum.html'");
  fw_menu_1.addMenuItem("Datenschutz","location='http://www.nus.de/datenschutz.html'");
  fw_menu_1.addMenuItem("RMA","location='http://www.nus.de/rma.html'");  
  fw_menu_1.hideOnMouseOut=true;
  window.fw_menu_2 = new Menu("root",91,19,"Arial, Helvetica, sans-serif",12,"#003399","#003399","#ffffff","#D0DFF1");
  fw_menu_2.addMenuItem("Netzwerke","location='http://www.nus.de/netzwerke.html'");
  fw_menu_2.addMenuItem("Internet","location='http://www.nus.de/internet.html'");
  fw_menu_2.addMenuItem("Firewalls","location='http://www.nus.de/firewalls.html'");
  fw_menu_2.addMenuItem("Backup","location='http://www.nus.de/backup.html'");
  fw_menu_2.addMenuItem("Leasing","location='http://www.nus.de/leasing.html'");
  fw_menu_2.hideOnMouseOut=true;
  window.fw_menu_3 = new Menu("root",91,19,"Arial, Helvetica, sans-serif",12,"#003399","#003399","#ffffff","#D0DFF1");
  fw_menu_3.addMenuItem("X-Win32","location='http://www.nus.de/x_win.html'");
  fw_menu_3.addMenuItem("Recon-X","location='http://www.nus.de/recon_allgemein.html'");
  fw_menu_3.addMenuItem("WebWorks","location='http://www.nus.de/ww_home.html'");
  fw_menu_3.addMenuItem("Adobe","location='http://www.nus.de/adobe.html'");
  fw_menu_3.addMenuItem("F-Secure","location='http://www.nus.de/f_secure.html'");
  fw_menu_3.addMenuItem("Collax","location='http://www.nus.de/collax_home.html'");
  fw_menu_3.addMenuItem("SurfControl","location='http://www.nus.de/Surfcontrol.html'");
  fw_menu_3.addMenuItem("VMware","location='http://www.nus.de/vmware.html'");
  fw_menu_3.addMenuItem("Weitere","location='http://www.nus.de/software_weitere.html'");  
  fw_menu_3.addMenuItem("Angebote","location='http://www.nus.de/angebote_sw.html'"); 
  fw_menu_3.hideOnMouseOut=true;
  fw_menu_3.childMenuIcon="http://www.nus.de/images/site/arrows.gif";
  fw_menu_3.writeMenus();
} 
function callback()
{
  var cbwidth = 230;
  var cbheight = 470;
  var posX=(screen.availWidth-cbwidth)/2;
  var posY=(screen.availHeight-cbheight)/2;

  cbwindow = window.open("http://www.nus.de/callback.php","cbwindow","toolbar=no,width=230,height=470,directories=no,status=no,resize=no,resizable=no,menubar=no,screenX=" + posX + ",screenY=" + posY + ",left=" + posX + ",top=" + posY + "");  
  cbwindow.focus();
}