if (document.images)
{
  var img = new Image;

  img.src = "images/nav/bkggoals.gif";
  img.src = "images/nav/curr.gif";
  img.src = "images/nav/hospital.gif";
  img.src = "images/nav/quality.gif";
  img.src = "images/nav/team.gif";
  img.src = "images/nav/about.gif";
  img.src = "images/nav/contact.gif";
  img.src = "images/nav/map.gif";
  img.src = "images/nav/fund.gif";
  img.src = "images/nav/video.gif";
  img.src = "images/nav/banmod1_nrm.gif";
  img.src = "images/nav/banmod2_nrm.gif";
  img.src = "images/nav/banmod3_nrm.gif";
  img.src = "images/nav/banmod4_nrm.gif";
  img.src = "images/nav/banmod5_nrm.gif";
  img.src = "images/nav/banmod6_nrm.gif";
}

function changeimg(img, name)
{
  if (document.images)
    document.images[name].src=img;
}