function slideSwitch() {
    var $active = $('#slideshow img.active');
    if ( $active.length == 0 ) $active = $('#slideshow img:last');
    var $next =  $active.next().length ? $active.next() : $('#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');
      });
		}
	 $(function() {
    	setInterval( "slideSwitch()", 3000 );
		});