// Keep track of which image we're current looking at
  var curImage = null;
  
  // Wait for the document to finish loading before modifying
  // or traversing the DOM
  window.onload = function() {
      /*
       * Create the following DOM structure:
       * <div id="overlay"></div>
       * <div id="gallery">
       *     <div id="gallery_image"></div>
       *     <div id="gallery_prev"><a href="">&laquo; Prev</a></div>
       *     <div id="gallery_next"><a href="">Next &raquo;</a></div>
       *     <div id="gallery_title"></div>
       * </div>
       */
                   
      // Create the overall gallery holder
      var gallery = document.createElement("div");
      gallery.id = "gallery";
                  
      // And add in all the organization divs
      gallery.innerHTML = '<div id="gallery_image"></div>' +
          '<div id="gallery_prev"><a href="">&laquo; Prev</a></div>' +
          '<div id="gallery_next"><a href="">Next &raquo;</a></div>' +
          '<div id="gallery_title"></div>';
                  
      // Add the gallery into the DOM
      document.body.appendChild( gallery );
                  
      // Handle support for which the next and previous links
      // are clicked within the gallery
      id("gallery_next").onclick = nextImage;
      id("gallery_prev").onclick = prevImage;
                  
      // Locate all the galleries on the site
      var g = byClass( "gallery", "ul" );
                  
      // Go through all of them
      for ( var i = 0; i < g.length; i++ ) {
           // And locate all the links to the slideshow images
           var link = tag( "a", g[i] );
                                  
           // Go through each of the image links
           for ( var j = 0; j < link.length; j++ ) {
               // Make it such that, when clicked, they display the
               // image gallery instead of going to the imagae
               link[j].onclick = function(){
                   // Show the gray background
                   showOverlay();
                                                                  
                   // Show the image, in the gallery
                   showImage( this.parentNode );
                                                                  
                   // Make sure that the browser doesn't go the
                   // image, like it normally would
                   return false;
               };
          }
  
          // Add the slideshow navigation to the gallery                
          addSlideShow( g[i] );
      }
  };