function start_slideshow(start_frame, end_frame, delay) {

   setTimeout(switch_slides(start_frame,start_frame,end_frame, delay), delay);

}

					   

function switch_slides(frame, start_frame, end_frame, delay) {

	return (function() {

		Effect.Fade('slideshow' + frame);

		if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }

		setTimeout("Effect.Appear('slideshow" + frame + "');", 850);

		setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 850);

	})

}