// mouseover links


b1 = new Image();
b1.src="pfeil_ls.gif";

b1a = new Image();
b1a.src="pfeil_lr.gif";


b2 = new Image();
b2.src="pfeil_rs.gif";

b2a = new Image();
b2a.src="pfeil_rr.gif";


function msover(img, ref)
{
  document.images[img].src = ref;
}