function slideSwitch() {
	var $active = $('#topslide1 IMG.active');
	if ( $active.length == 0 ) $active = $('#topslide1 IMG:last').delay(16000);
        if ( $active.length == 0 ) delay(16000);
	var $next =  $active.next().length ? $active.next() : $('#topslide1 IMG:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000, function() {
            $active.removeClass('active last-active');
        });
}