public function getCMSFields() {
		$fields = parent::getCMSFields();

		$fields->removeByName('Sort');
		$fields->removeByName('ParentID');
		$fields->addFieldToTab('Root.Main', new TextField('Name', _t('ExternalContentSource.NAME', 'Name')));
		$fields->addFieldToTab('Root.Main', new CheckboxField("ShowContentInMenu", _t('ExternalContentSource.SHOW_IN_MENUS', 'Show Content in Menus')));

		return $fields;
	}