code: function initFullScreen()
    {
      if( 'requestFullScreen' in document )
      {
        requestFullScreen = 'requestFullScreen';
        cancelFullScreen = 'cancelFullScreen';
      }
      else if( 'webkitCancelFullScreen' in document )
      {
        requestFullScreen = 'webkitRequestFullScreen';
        cancelFullScreen = 'webkitCancelFullScreen';
      }
      else if( 'mozCancelFullScreen' in document )
      {
        requestFullScreen = 'mozRequestFullScreen';
        cancelFullScreen = 'mozCancelFullScreen';
      }
      else if( 'msCancelFullScreen' in document )
      {
        requestFullScreen = 'msRequestFullScreen';
        cancelFullScreen = 'msCancelFullScreen';
      }
      else
      {
        requestFullScreen = NaN;
        cancelFullScreen = NaN;
      }
    }
docs: /*