hintergr_low = new Image();
hintergr_low.src = "/bilder/nav/nav_hintergr_low.gif";
hintergr_high = new Image();
hintergr_high.src = "/bilder/nav/nav_hintergr_high.gif";
aktivitaet_low = new Image();
aktivitaet_low.src = "/bilder/nav/nav_aktivitaet_low.gif";
aktivitaet_high = new Image();
aktivitaet_high.src = "/bilder/nav/nav_aktivitaet_high.gif";
ergebnis_low = new Image();
ergebnis_low.src = "/bilder/nav/nav_ergebnis_low.gif";
ergebnis_high = new Image();
ergebnis_high.src = "/bilder/nav/nav_ergebnis_high.gif";

home_kv_0 = new Image();
home_kv_0.src = "/bilder/home/home_kv_meta.gif";
home_kv_hintergr = new Image();
home_kv_hintergr.src = "/bilder/home/home_kv_hintergruende.gif";
home_kv_aktivitaet = new Image();
home_kv_aktivitaet.src = "/bilder/home/home_kv_aktivitaet.gif";
home_kv_ergebnis = new Image();
home_kv_ergebnis.src = "/bilder/home/home_kv_ergebnisse.gif";

var internWindow = null; 

function changeImage(imgName1,imgObj1,imgName2,imgObj2) 
{
   if (document.images) 
   {
       if(document.images[imgName1])
         document.images[imgName1].src = eval(imgObj1+".src");
       if(document.images[imgName2])
        document.images[imgName2].src = eval(imgObj2+".src");
   }
 }
 

function openInternArea()
{
  internWindow = window.open('/interner_bereich/teilprojekte/index.html','internerbereich','width=800,height=550,scrollbars=yes,resizable=no,dependent=yes');
  if (internWindow != null)
    internWindow.focus();
}

function closeInternArea()
{
  if (internWindow != null)
  {
     internWindow.close();
     internWindow = null;
  }
}