/**
	 * Chainable: Get the viewer class for template, view and output
	 *
	 * @param  string                 $template  Template to load
	 * @param  string                 $view      View
	 * @param  string                 $output    Output
	 * @return cbpaidTemplateHandler
	 */
	public static function getViewer( $template, $view, $output = 'html' ) {
		$instance				=	new self();
		if ( ! $template ) {
			$template			=	cbpaidApp::settingsParams()->get( 'template', 'default' );
		}
		return $instance->_getViewer( $template, $view, $output );
	}