$(document).ready(function() {

});

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}, 1500, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
	slideshow_interval = setInterval( "slideSwitch()", 4000 );
});