function SLIDES_start(start_frame, end_frame, delay) {	
	t = setTimeout(SLIDES_switch(start_frame,start_frame,end_frame, delay), delay);
}
						
function SLIDES_switch(frame, start_frame, end_frame, delay) {
	return (function() {
		Effect.Fade('slideshow' + frame, {duration:0});
		if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
		t = setTimeout("Effect.Appear('slideshow" + frame + "');", 850);
		t = setTimeout(SLIDES_switch(frame, start_frame, end_frame, delay), delay + 850);
	})
}

function SLIDES_pause() {
	if(isRunning == 1){
		clearTimeout(t);
		isRunning = 0;
	}
	else{
		isRunning = 1;
		if(frame != 0)
			SLIDES_switch(frame, start_frame, end_frame, delay);
		else
			SLIDES_start(start_frame, end_frame, delay);
	}
}