$images = [["/system/images/7/large/TREMBLANTMAIN.jpg?2009",""],["/system/images/32/large/cottage_web_main.jpg","theultimatecottageweekend"],["/system/images/34/large/DJ FRONT END.jpg?2010",""],["/system/images/35/large/HELI SKIING FRONT.jpg?2010",""],["/system/images/36/large/DOG SLEDDING FRONT.jpg?2010",""]];
if ($images.length == 1 || $images.length == 0) {
  document.observe('dom:loaded', function() {
    $('photo_right').remove();
  });
}

function basic_src_path(path) {
  stop = path.lastIndexOf('?');
  if (stop == -1) {
    return path;
  }
  else {
    return path.substring(0, stop);
  }
}

function next_image_values() {
  current_src = basic_src_path($('background_image').readAttribute('src'));
  for (var current_index = 0; current_index < $images.length; current_index++) {
    if (basic_src_path($images[current_index][0]) == current_src) {
      break;
    }
  }
  next_index = current_index + 1;
  if (next_index == $images.length) {
    next_index = 0;
  }
  return $images[next_index];
}

function next_image() {
  $('background_image').writeAttribute('src', next_image_values()[0]);
  var href = next_image_values()[1];
  if (href == '' || href == null) {
    href = '/';
  }
  $('background_image_link').writeAttribute('href', href);
}