function switch_slides(frame, start_frame, end_frame, delay) {
	return (function() {
		Effect.Fade('slide' + frame);
		if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
		setTimeout("Effect.Appear('slide" + frame + "');", 10);
		setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 10);
	})
}

function start_slideshow(start_frame, end_frame, delay) {
	setTimeout(switch_slides(start_frame,start_frame,end_frame, delay), delay);
}

function enableSlideShow(divNameForSlideShow) {
	var slideCount = document.getElementById("slideshow").getElementsByClassName("slide").length;
	start_slideshow(1, slideCount, 10000);
}