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

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

    var next =  active.next().length ? active.next()
        : $('#slideshow div:first');

    active.addClass('last-active');

    next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            active.removeClass('active').removeClass('last-active');
        });
}