function start_slideshow(frame,start_frame, end_frame, delay) {
    a=setTimeout(switch_slides(frame,start_frame,end_frame, delay), delay);
	 b="abc";
     c ="abc";
}
                        
function switch_slides(frame, start_frame, end_frame, delay) {
    return (function() {
        Effect.Fade('featured' + frame);
        if (frame == end_frame) { frame = 1; } else { frame = frame + 1; }
       b=setTimeout("Effect.Appear('featured" + frame + "');", 1000);
       c =setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 800);
    })
}



function clearstop() {
  window.clearTimeout(a);
  if(b!="abc") {
  window.clearTimeout(b);
  window.clearTimeout(c);
  }
}