function tribe_right_navigation_classes() {

		$classes     = array();
		$tribe_paged = absint( ! empty( $_REQUEST['tribe_paged'] ) ) ? $_REQUEST['tribe_paged'] : 1;

		$classes['direction'] = 'tribe-events-nav-next';
		$classes['side']      = 'tribe-events-nav-right';

		if ( tribe_is_past() && $tribe_paged > 1 ) {
			$classes['past'] = 'tribe-events-past';
		}

		$classes = apply_filters( 'tribe_right_navigation_classes', $classes );

		return implode( ' ', $classes );
	}