/**************************************************************************/
/* Slideshow
/**************************************************************************/

function start_slideshow(divname, start_frame, end_frame, delay)
{
  $(divname + '1').show();
  setTimeout(switch_slides(divname, start_frame,start_frame,end_frame, delay), delay);
}

function switch_slides(divname, frame, start_frame, end_frame, delay)
{
  return (function() {
    if (frame == end_frame)
    {
      nextframe = start_frame;
    }
    else
    {
      nextframe = frame + 1;
    }

    new Effect.Parallel(
      [new Effect.Fade(divname + frame, {sync:true}),new Effect.Appear(divname + nextframe,{sync:true})],
      {duration:1.2}
      );

    frame = nextframe;
    setTimeout(switch_slides(divname, frame, start_frame, end_frame, delay), delay);
  })
}

/**************************************************************************/
/* Dialogs
/**************************************************************************/

function addUser()
{


}