// Show the current gallery image
  function showImage(cur) {
      // Remember which image we're currently dealing with
      curImage = cur;
                  
      // Find the gallery image
      var img = id("gallery_image");
                  
      // Remove the image, if there's one already there
      if ( img.firstChild )
           img.removeChild( img.firstChild );
                                  
      // And add our new image in, instead
      img.appendChild( cur.firstChild.cloneNode( true ) );
  
      // We're setting the caption of the gallery image to
      // the 'alt' contents of the regular image
      id("gallery_title").innerHTML = cur.firstChild.firstChild.alt;
                                  
      // Locate the main gallery
      var gallery = id("gallery");
                  
      // Set the correct class (so that it's the correct size)
      gallery.className = cur.className;
                  
      // Then fade it in smoothly
      fadeIn( gallery, 100, 10 );
                  
      // Make sure that the gallery is positioned in the right place
      // on the screen
      adjust();
  }