function init() {

  var slides = document.getElementsByClassName('slide-show');

  for(i=0; i < slides.length;i++){

    var lis = $(slides[i].id).getElementsByTagName('li');

    for( j=0; j < lis.length; j++){
      if(j!=0){
        lis[j].style.display = 'none';
      }
    }
    end_li = lis.length -1;

    setTimeout(swapElements(0,0,end_li, 3000, lis), 2000);
  }
}

function swapElements(cur_li, start_li, end_li, delay, lis) {

  return (function() {
    Effect.Fade(lis[cur_li],{ duration:3, from:1.0, to:0.0 });

      if (cur_li == end_li) {
        cur_li = start_li;
      } else {
        cur_li++;
      }	

      Effect.Appear(lis[cur_li], { duration:3, from:0.0, to:1.0 });

      setTimeout(swapElements(cur_li,start_li,end_li,delay,lis),
      delay + 4000);
    }
  )
}