window.addEvent('domready',function() { 
  /* settings */ 
  var showDuration = 6000; 
  var container = $('slideshow-container'); 
  var images = container.getElements('img'); 
  var currentIndex = 0; 
  var interval; 
  
  
  /* opacity and fade */ 
  images.each(function(img,i){ 
    if(i > 0) { 
      img.set('opacity',0); 
    } 
  }); 
  
  
  /* worker */ 
  var show = function() {
    images[currentIndex].fade('out'); 
    images[currentIndex = currentIndex < images.length - 1 ? currentIndex+1 : 0].fade('in'); 
  };
  
   container.addEvents({ 
    mouseenter: function() { stop(); }, 
    mouseleave: function() { start(); } 
  }); 
   
  
  /* start once the page is finished loading */ 
  window.addEvent('load',function(){ 
    interval = show.periodical(showDuration); 
  }); 
  
});