// Used from home.pl...
function show_photo(ref, n, c) {
  var url = "photos.pl?id="+ref+"&n="+n+"&c="+c;
  window.open(url, "photo", "left=100,top=100,width=500,height=400,status=0,resizable=1,menubar=0,titlebar=0,toolbar=0", true);
}