// Start a slideshow of all the images within a particular gallery
  function startShow(obj) {
      // Locate all the individual images of the gallery
      var elem = tag( "li", obj );
                  
      // Locate the overall display gallery
      var gallery = id("gallery");
                  
      // Go through each of the matched gallery images
      for ( var i = 0; i < elem.length; i++ )  new function() {
          // Remember which current element is being referenced
          var cur = elem[i];
                                  
          // We're going to show a new image every 5 seconds
          setTimeout(function(){
              // Show the specific image
              showImage( cur );
                                                  
              // And start fading it out after 3.5 seconds
              // (for a 1 second fade)
              setTimeout(function(){
                  fadeOut( gallery, 0, 10 );
              }, 3500 );
          }, i * 5000 );
                                                  
      };
                  
      // And then hide the overlay when it's all over
      setTimeout( hideOverlay, 5000 * elem.length );
                  
      // But show the overlay, as the slideshow is just starting
      showOverlay();
  }