function homeBannerRotation(selector, delay){ 
  // var banners = $$(selector); 
  // delay = (delay == undefined) ? 5000 : delay * 1000;
  // 
  // var i = banners.length -1;
  // 
  // setInterval(function(){
  //   banners[i].fade('out'); 
  //   i = (i == 0 ) ? banners.length - 1 : i - 1; 
  //   banners[i].fade('in'); 
  // }, delay); 

}