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()", 2500 );   });