if (document.images) {
  n0 = new Image();
  n0.src = 'point2.gif';
  h0 = new Image();
  h0.src = 'point1.gif';
  n1 = new Image();
  n1.src = '00.jpg';
  h1 = new Image();
  h1.src = '00_hover.jpg';
}

function Bildwechsel(Bild,Objekt)
{
  if (document.images)
    document[Bild].src = Objekt.src;
}