// Borrowed from Jon Raasch
// http://jonraasch.com/blog/a-simple-jquery-slideshow
function slideSwitch() {
    var $active = $('#slideshow img.active');
    if ( $active.length == 0 )
        $active = $('#slideshow img:last-child');
    var $next = $active.next().length ? $active.next() : $('#slideshow img:first-child');
    $active.addClass('last-active');
    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1750, function() {
            $active.removeClass('active last-active');
        });
}