private function loadModel($id=NULL)
	{
		if ($id === NULL)
			throw new CHttpException(400, Yii::t('Api.content', 'Missing id'));

		$model = Content::model()->findByPk($id);
		if ($model === NULL)
			throw new CHttpException(404, Yii::t('Api.content', 'An entry with the id of {{id}} was not found', array('{{id}}' => $id)));

		return $model;
	}