function viewbiglink()
{
  if (parseFloat(navigator.appVersion) >= 4.0
      && opener!=null)
    {
      window.resizeTo(1225,928);
      opener.prev_pic_size = 2;
    }
  return true;
}

function linkhome(hreflink)
{ // hreflink is a hyperlink object.
  // Just a stub function for now, may change later.
  if (window.opener == null)  // not viewed in photowin: target=self
    { window.location = hreflink.href; return false; }
  else  // presumably viewed in photowin
    return true;  // follow normal link, target=blank
}