function new_image (image_path) {
  image = new Image ();
  image.src = image_path;
  return image;
}
function load_images () {
  image_1_0 = new_image ("images/icons/main.gif");
  image_1_1 = new_image ("images/icons/main_on.gif");
  image_2_0 = new_image ("images/icons/bio.gif");
  image_2_1 = new_image ("images/icons/bio_on.gif");
  image_3_0 = new_image ("images/icons/disco.gif");
  image_3_1 = new_image ("images/icons/disco_on.gif");
  image_4_0 = new_image ("images/icons/gallery.gif");
  image_4_1 = new_image ("images/icons/gallery_on.gif");
  image_5_0 = new_image ("images/icons/scans.gif");
  image_5_1 = new_image ("images/icons/scans_on.gif");
  image_6_0 = new_image ("images/icons/video.gif");
  image_6_1 = new_image ("images/icons/video_on.gif");
  image_7_0 = new_image ("images/icons/forum.gif");
  image_7_1 = new_image ("images/icons/forum_on.gif");
  image_8_0 = new_image ("images/icons/links.gif");
  image_8_1 = new_image ("images/icons/links_on.gif");
  image_9_0 = new_image ("images/icons/guestbook.gif");
  image_9_1 = new_image ("images/icons/guestbook_on.gif");
  return true;
}