text: Sound = {
      active:false,
      init:function(){
          Sound.fx = new Howl({
              urls:['audio/asteroids.'+(Modernizr.audio.m4a ? 'm4a': 'ogg')],
              sprite:{
                  bum1:[0,1100],
                  bum2:[1125,1000],
                  laser:[2150,290],
                  win:[2475,575],
              },
              onload:Sound.loaded
          });
      },
      loaded:function(){
          Sound.active = true;
      },
      play:function(s){
          if(Sound.active){
              Sound.fx.play(s);
          }
          
      }
  };