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}, 500, function() {
        $active.removeClass('active last-active');
    });
}
	
$(document).ready(function() {
	setInterval( "slideSwitch()", 2500 );
});