function slideSwitch(switchSpeed) {
	var $active = $('#slideshow IMG.active');
	
	if ( $active.length == 0 ) $active = $('#slideshow IMG:last');

	var $next =  $active.next('IMG').length ? $active.next('IMG')
	   : $('#slideshow IMG:first');
	
	$active.addClass('last-active');
		
	$next.css({opacity: 0.0})
		.addClass('active')
		.animate({opacity: 1.0}, switchSpeed, function() {
			$active.removeClass('active last-active');
		});
}

$(function() {
	setInterval ( "slideSwitch(1000)", 10000 );    
});