protected function afterSave()
	{
	    if($this->hasEventHandler('onAfterSave'))
	        $this->onAfterSave(new CEvent($this));

	    // Store new config values in cache
	    foreach($this->attributes as $key=>$value)
	    	Yii::app()->cache->set('settings_'.$key, $value);

	    return true;
	}