preload('leer','fileadmin/images/layout/leert.gif');
preload('home','fileadmin/images/layout/startseitet.gif');
preload('contact','fileadmin/images/layout/kontaktt.gif');
preload('callme','fileadmin/images/layout/rueckruft.gif');
preload('sitemap','fileadmin/images/layout/sitemapt.gif');
preload('impressum','fileadmin/images/layout/impressumt.gif');
preload('print','fileadmin/images/layout/druckent.gif');



function preload(imgObj,imgSrc) {
      if (document.images) {
              eval(imgObj+' = new Image()');
              eval(imgObj+'.src = "'+imgSrc+'"');


      }
}

function changeImage(layer,imgName,imgObj) {
     //alert(document.images['home'].src);
     if (document.layers && layer!=null)
        eval('document.'+layer+'.document.images["'+imgName+'"].src = '+imgObj+'.src');
     else
        document.images[imgName].src = eval(imgObj+".src");
}