function slideSwitch() {

var $j = jQuery.noConflict();
 
var active = $j('#slideshow IMG.active');

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

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

    active.addClass('last-active');

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