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('teaser' + frame);
		if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
		setTimeout("Effect.Appear('teaser" + frame + "');", 1000);
		setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 3000);
	})
}