$(document).ready(function() {
    $('.slideshow div').css({opacity:0.0,'visibility':'visible'});
    slideSwitch();
    
    setInterval( "slideSwitch()", 5000 );
});
function slideSwitch() {
	
    var $active = $('.slideshow div.active');
    if ( $active.length == 0 ) $active = $('.slideshow div:last');
    var $next =  $active.next().length ? $active.next(): $('.slideshow div:first'); 

	$active.addClass('last-active');
	$active.animate({opacity:0.0},1000,function(){
		$active.removeClass('active last-active');
	});

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 1000);
}