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);
		})
}