@Override
 public void destroyItem(ViewGroup container, int position, Object object) {
   Fragment f = (Fragment) object;
   if (f instanceof QuranPageFragment) {
     ((QuranPageFragment) f).cleanup();
   } else if (f instanceof TabletFragment) {
     ((TabletFragment) f).cleanup();
   }
   super.destroyItem(container, position, object);
 }
  @Override
  public Fragment getItem(int position) {
    int count = getCount();
    android.util.Log.d(TAG, "getting page: " + (count - position));
    if (mIsDualPages) {
      return TabletFragment.newInstance(
          (count - position) * 2,
          mIsShowingTranslation ? TabletFragment.Mode.TRANSLATION : TabletFragment.Mode.ARABIC);
    }

    if (mIsShowingTranslation) {
      return TranslationFragment.newInstance(count - position);
    } else {
      return QuranPageFragment.newInstance(count - position);
    }
  }