$(function(){
  $('#slider').nivoSlider({
          effect:'boxRainReverse',
          //slices:15,
          animSpeed:1000,
          pauseTime:3300,
          directionNav:false, //Next & Prev
          controlNav:true, //1,2,3...
          keyboardNav:true, //Use left & right arrows
          pauseOnHover:true, //Stop animation while hovering
          manualAdvance:false, //Force manual transitions
          captionOpacity:0.8, //Universal caption opacity
          beforeChange: function(){},
          afterChange: function(){},
          slideshowEnd: function(){} //Triggers after all slides have been shown
      });
});