function slideSwitch() {
             var $active = jQuery('#slide_image img.active');
             if ( $active.length == 0 ) $active = jQuery('#img_ss img:last');
             var $next =  $active.next().length ? $active.next() : jQuery('#img_ss img:first');
             $active.addClass('last-active');
             $next.css({opacity: 0.0})
                 .addClass('active')
                 .animate({opacity: 1.0}, 2500, function() {
                     $active.removeClass('active last-active');
               });
         }
         jQuery(function() {
             setInterval( "slideSwitch()", 5000 );
         });