window.addEvent('domready', function(){
  var transition = 'slide-bottom';
  $$('input[name=transition]').addEvent('click', function(){ transition = this.value; });
  var slideAvailable = ['slide-bottom'];
  var slideTransition = function(){
    switch(transition){
      case 'slide-bottom':
        if(! $defined(this.count)) this.count = -1;
        return slideAvailable[++this.count % slideAvailable.length];
      case 'slide-bottom': return slideAvailable.getRandom();
      default: return transition;
    }
  }
  
  
  var slideshow = new BarackSlideshow('menu', 'pictures', 'loading', { transition: slideTransition});
});