<script language="JavaScript" type="text/javascript">
<!--
if (document.images) {
    button1up       = new Image();
    button1up.src   = "images/history.jpg" ;
    button1down     = new Image() ;
    button1down.src = "images/history2.jpg" ;
    button2up       = new Image();
    button2up.src   = "images/tcminchina.jpg" ;
    button2down     = new Image() ;
    button2down.src = "images/tcminchina2.jpg" ;
    button3up       = new Image();
    button3up.src   = "style_images/<#IMG_DIR#>/tile_button3.png" ;
    button3down     = new Image() ;
    button3down.src = "style_images/<#IMG_DIR#>/tile_button3g.png" ;
    button4up       = new Image();
    button4up.src   = "style_images/<#IMG_DIR#>/tile_button4.png" ;
    button4down     = new Image() ;
    button4down.src = "style_images/<#IMG_DIR#>/tile_button4g.png" ;
    button5up       = new Image();
    button5up.src   = "style_images/<#IMG_DIR#>/tile_button5.png" ;
    button5down     = new Image() ;
    button5down.src = "style_images/<#IMG_DIR#>/tile_button5g.png" ;
    button6up       = new Image();
    button6up.src   = "style_images/<#IMG_DIR#>/tile_button6.png" ;
    button6down     = new Image() ;
    button6down.src = "style_images/<#IMG_DIR#>/tile_button6g.png" ;
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}
// -->
</script>