/**
  * prepare
  * 
  * @param	void
  * 
  * @return	bool
  **/
 public function prepare()
 {
     parent::prepare();
     $this->mCategoryManager['pref_id'] = new Rpglink_CategoryManager($this->mAsset->mDirname, 'pref_id');
     return true;
 }
 /**
  * prepare
  * 
  * @param	void
  * 
  * @return	bool
  **/
 public function prepare()
 {
     parent::prepare();
     return true;
 }