      <!-- begin hiding
        var loaded = false;

        function preLoad()
        {
          if(document.images)
          {
        bar_2001exhibit_off = new Image(80,23);   bar_2001exhibit_off.src  = '../images/2001exhibit_off.gif';
        bar_2001exhibit_on  = new Image(80,23);   bar_2001exhibit_on.src  = '../images/2001exhibit_on.gif';
        bar_odyssey_off	    = new Image(73,23);   bar_odyssey_off.src     = '../images/odyssey_off.gif';
        bar_odyssey_on      = new Image(73,23);   bar_odyssey_on.src      = '../images/odyssey_on.gif';
        bar_exhibits_off    = new Image(51,23);   bar_exhibits_off.src    = '../images/exhibits_off.gif';
        bar_exhibits_on     = new Image(51,23);   bar_exhibits_on.src     = '../images/exhibits_on.gif';
        bar_world_off       = new Image(106,23);  bar_world_off.src       = '../images/world_off.gif';
        bar_world_on        = new Image(106,23);  bar_world_on.src        = '../images/world_on.gif';
        bar_sciTech_off     = new Image(113,23);  bar_sciTech_off.src     = '../images/sciTech_off.gif';
        bar_sciTech_on      = new Image(113,23);  bar_sciTech_on.src      = '../images/sciTech_on.gif';
        bar_arts_off        = new Image(35,23);   bar_arts_off.src        = '../images/arts_off.gif';
        bar_arts_on         = new Image(35,23);   bar_arts_on.src         = '../images/arts_on.gif';
        bar_gifts_off       = new Image(42,23);   bar_gifts_off.src       = '../images/gifts_off.gif';
        bar_gifts_on        = new Image(42,23);   bar_gifts_on.src        = '../images/gifts_on.gif';

        exhibit_2001exhibit = new Image(500,29);  exhibit_2001exhibit.src = '../images/exhibit_2001exhibit.gif';
        exhibit_odyssey     = new Image(500,29);  exhibit_odyssey.src     = '../images/exhibit_odyssey.gif';
        exhibit_exhibits    = new Image(500,29);  exhibit_exhibits.src    = '../images/exhibit_exhibits.gif';
        exhibit_world       = new Image(500,29);  exhibit_world.src       = '../images/exhibit_world.gif';
        exhibit_sciTech     = new Image(500,29);  exhibit_sciTech.src     = '../images/exhibit_sciTech.gif';
        exhibit_arts        = new Image(500,29);  exhibit_arts.src        = '../images/exhibit_arts.gif';
        exhibit_gifts       = new Image(500,29);  exhibit_gifts.src       = '../images/exhibit_gifts.gif';
      }
          loaded = true;
        }
    links_2001exhibit = new Array('../2001exhibit/intro.html','../2001exhibit/intro.html','../2001exhibit/myso.html','../2001exhibit/myso.html','../2001exhibit/ksc.html','../2001exhibit/stories.html','../2001exhibit/stories.html');
    links_odyssey     = new Array('../odyssey.html','../about/2010.html','../about/2061.html','../about/3001.html','../about/kubrick.html','../about/clarke.html','../about/hyams.html');
    links_exhibits    = new Array('../exhibits/usa.html','../exhibits/france.html','http://www.harry-lange.org.uk/','../exhibits/germany.html','../exhibits/germany.html','../exhibits/germany.html','../exhibits/germany.html');
    links_world       = new Array('../twt/news.html','../twt/archives.html','../twt/events.html','../twt/press.html','../twt/guestbook.html','../twt/mailing.html','twt/contact.html');
    links_sciTech     = new Array('../scitech/timeline.html','../scitech/dawn.html','../scitech/dawn.html','../scitech/tech.html','../scitech/tech.html','../scitech/engine.html','../scitech/tma.html');
    links_arts        = new Array('../arts/music.html','../arts/models.html','../arts/fashion.html','../arts/design.html','../arts/furnishings.html','../arts/collectibles.html','../arts/gallery.html');
    links_gifts       = new Array('store2.html','store3.html','store4.html','store5.html','store6.html','http://www.cafepress.com/2001exhibit','ecards.html');

 var current_link = 'gifts';

    function rollOver(iName,iState,mName,mState)
    {
      if(loaded)
      {
        if(document.images)
        {
          document.images[iName].src = eval(iName + '_' + iState + '.src');
          if(mName && mState)
          {
            document.images[mName].src = eval(mName + '_' + mState + '.src');
          }
        }
      }
      if(mName && mState)
      {
        current_link = mState;
      }
    }

    function goLink(mLink)
    {
      mini_link = eval('links_' + current_link);
      location.href = mini_link[mLink];
    }

  // -->
