869Pagination in Custom Queries need $paged
...$nr // number of posts
$args = array(
'posts_per_page' => $nr ? $nr : get_option('posts_per_page'),
'paged' => get_query_var('paged', 1),
'post_type' => 'post',
...
);
$wp_query = new WP_Query($args);
while ($wp_query->have_posts()) : $wp_query->the_post();
// display
endwhile;
// getPagination()