function swapImages(){
var $active = $('#myGallery .active');
var $next = ($('#myGallery .active').next().length > 0) ? $('#myGallery .active').next() : $('#myGallery img:first-child');
$active.fadeOut(1000, function(){
$active.removeClass('active');
$next.fadeIn(1200).addClass('active');
});
}
$(document).ready(function(){
setInterval('swapImages()', 4000);
});