if( document.images )
{      
  img1on = new Image();
  img1on.src = "images/gallery/1sa.jpg";
  img2on = new Image();
  img2on.src = "images/gallery/2sa.jpg";
  img3on = new Image();
  img3on.src = "images/gallery/3sa.jpg";
  img4on = new Image();
  img4on.src = "images/gallery/4sa.jpg";
  img5on = new Image();
  img5on.src = "images/gallery/5sa.jpg";
  img6on = new Image();
  img6on.src = "images/gallery/6sa.jpg";
  img7on = new Image();
  img7on.src = "images/gallery/7sa.jpg";
  img8on = new Image();
  img8on.src = "images/gallery/8sa.jpg";
  img9on = new Image();
  img9on.src = "images/gallery/9sa.jpg";
  img10on = new Image();
  img10on.src = "images/gallery/10sa.jpg";
  img11on = new Image();
  img11on.src = "images/gallery/11sa.jpg";
  img12on = new Image();
  img12on.src = "images/gallery/12sa.jpg";
  img13on = new Image();
  img13on.src = "images/gallery/13sa.jpg";
  img14on = new Image();
  img14on.src = "images/gallery/14sa.jpg";
  img15on = new Image();
  img15on.src = "images/gallery/15sa.jpg";
  img16on = new Image();
  img16on.src = "images/gallery/16sa.jpg";
  img17on = new Image();
  img17on.src = "images/gallery/17sa.jpg";
  img18on = new Image();
  img18on.src = "images/gallery/18sa.jpg";
  img19on = new Image();
  img19on.src = "images/gallery/19sa.jpg";
  img20on = new Image();
  img20on.src = "images/gallery/20sa.jpg";
  img21on = new Image();
  img21on.src = "images/gallery/21sa.jpg";
  img22on = new Image();
  img22on.src = "images/gallery/22sa.jpg";
  img23on = new Image();
  img23on.src = "images/gallery/23sa.jpg";
  img24on = new Image();
  img24on.src = "images/gallery/24sa.jpg";
  img25on = new Image();
  img25on.src = "images/gallery/25sa.jpg";
  img26on = new Image();
  img26on.src = "images/gallery/26sa.jpg";
  img27on = new Image();
  img27on.src = "images/gallery/27sa.jpg";
  img28on = new Image();
  img28on.src = "images/gallery/28sa.jpg";

  img1off = new Image();          
  img1off.src = "images/gallery/1s.jpg";
  img2off = new Image();          
  img2off.src = "images/gallery/2s.jpg";
  img3off = new Image();          
  img3off.src = "images/gallery/3s.jpg";
  img4off = new Image();          
  img4off.src = "images/gallery/4s.jpg";
  img5off = new Image();          
  img5off.src = "images/gallery/5s.jpg";
  img6off = new Image();          
  img6off.src = "images/gallery/6s.jpg";
  img7off = new Image();          
  img7off.src = "images/gallery/7s.jpg";
  img8off = new Image();          
  img8off.src = "images/gallery/8s.jpg";
  img9off = new Image();          
  img9off.src = "images/gallery/9s.jpg";
  img10off = new Image();          
  img10off.src = "images/gallery/10s.jpg";
  img11off = new Image();          
  img11off.src = "images/gallery/11s.jpg";
  img12off = new Image();          
  img12off.src = "images/gallery/12s.jpg";
  img13off = new Image();          
  img13off.src = "images/gallery/13s.jpg";
  img14off = new Image();          
  img14off.src = "images/gallery/14s.jpg";
  img15off = new Image();          
  img15off.src = "images/gallery/15s.jpg";
  img16off = new Image();          
  img16off.src = "images/gallery/16s.jpg";
  img17off = new Image();          
  img17off.src = "images/gallery/17s.jpg";
  img18off = new Image();          
  img18off.src = "images/gallery/18s.jpg";
  img19off = new Image();          
  img19off.src = "images/gallery/19s.jpg";
  img20off = new Image();          
  img20off.src = "images/gallery/20s.jpg";
  img21off = new Image();          
  img21off.src = "images/gallery/21s.jpg";
  img22off = new Image();          
  img22off.src = "images/gallery/22s.jpg";
  img23off = new Image();          
  img23off.src = "images/gallery/23s.jpg";
  img24off = new Image();          
  img24off.src = "images/gallery/24s.jpg";
  img25off = new Image();          
  img25off.src = "images/gallery/25s.jpg";
  img26off = new Image();          
  img26off.src = "images/gallery/26s.jpg";
  img27off = new Image();          
  img27off.src = "images/gallery/27s.jpg";
  img28off = new Image();          
  img28off.src = "images/gallery/28s.jpg";
}

function imgOn( imgName )
{
  if( document.images )
  {
    document[imgName].src = eval( imgName + "on.src" );
  }
}
			
function imgOff( imgName )
{
  if( document.images )
  {
    document[imgName].src = eval( imgName + "off.src" );
  }
}