function slideSwitch() {

    var active = jQuery('#slideshow IMG.active');
      if (active.length == 0) active = jQuery('#slideshow IMG:last');

    // use this to pull the images in the order they appear in the markup
    var next = active.next().length ? active.next()
			: jQuery('#slideshow IMG:first');

    // uncomment the 3 lines below to pull the images in random order

    // var $sibs  = $active.siblings();
    // var rndNum = Math.floor(Math.random() * $sibs.length );
    // var $next  = $( $sibs[ rndNum ] );


    active.addClass('last-active');

    next.css({ opacity: 0.0 })
			.addClass('active')
			.animate({ opacity: 1.0 }, 1000, function () {
			    active.removeClass('active last-active');
			});
}

jQuery(function () {
    setInterval("slideSwitch()", 5000);
});