function slideSwitch() {
 
    var $active = $('#galleryList IMG.active');

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

    var $next =  $active.next().length ? $active.next() : $('#galleryList 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() {

     setTimeout( function()
      {
      
         setInterval( "slideSwitch()", 4000 );
      }, 2000);


    
});