function slideSwitch() {
    var $active = $('#slideshow IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow IMG:first');



    $active.removeClass('active');

    $next.addClass('active')
}

$(function() {
  // setInterval( "slideSwitch()", 20000 );
});