public function beforeSave()
 {
     if (parent::beforeSave()) {
         if (!$this->isNewRecord) {
             if (!empty($this->passwordagain)) {
                 $this->password = Adminuser::model()->encrypt($this->password);
                 return true;
             }
             return true;
         } else {
             $this->password = Adminuser::model()->encrypt($this->password);
             return true;
         }
     }
     return false;
 }