function slideSwitch() {

    var $active = $('#slideshow DIV.active');

    if ( $active.length == 0 ) $active = $('#slideshow DIV:last');

    // use this to pull the divs in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : $('#slideshow DIV:first');
      
    $active.addClass('last-active');
    
    $next.css({opacity: 0.0})
        .addClass('active')        
        .animate({opacity: 1.0}, 1000, function() {        	
            $active.removeClass('active last-active');
        });
}

$(function() {
	var $imgs = $('#slideshow img');
	if ($imgs.length > 1) setInterval( "slideSwitch()", 5000 );

});