var check = false;   // start stop cc


function startfade() {
check = true;
start_slideshow(1, 6, 10000);
}


function stopfade() {
check = false;
}




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) {

      if (check)  {  // start stop cc

        return (function() {
            Effect.Fade('cc' + frame);
            if (frame == end_frame) { frame = start_frame; } else { frame = frame + 1; }
            setTimeout("Effect.Appear('cc" + frame + "');", 500);
            setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 500);
        })

      }

}