rotating_images = new Array();

      //Duplicate these lines here to add new images to the rotation.
      rotating_images.push(new RotatingImage('images/bookbar.gif','bookabout.htm'));
      rotating_images.push(new RotatingImage('images/bookbar2.gif','training.htm'));

      var active_image_delay = 2; //in seconds

      var active_image_index = 0;

      function rotateImages() {

        //Ensure routine runs only if my_images exists on the page.
        if (!document.getElementById('my_images') || rotating_images.length < 1) return;
        var new_image_code = '';

        new_image = document.createElement('IMG');
        new_image.src = rotating_images[active_image_index].image;
        new_image.border = "0";

        new_link = document.createElement('A');
        new_link.href = rotating_images[active_image_index].url;

        new_link.appendChild(new_image);


        if (document.getElementById('my_images').hasChildNodes() ) {
          while (document.getElementById('my_images').childNodes.length >= 1 ) {
            document.getElementById('my_images').removeChild(document.getElementById('my_images').firstChild );
          }
        }

        document.getElementById('my_images').appendChild(new_link);

	active_image_index = Math.round(Math.random()*(rotating_images.length-1));

        setTimeout('rotateImages();',active_image_delay*1000);
      }
      function RotatingImage (image_url, url) {
        this.image = image_url;
        this.url = url;
      }