post_parent || wp_list_pages("title_li=&child_of=".$post->ID."&echo=0")):?>
post_parent) $children = wp_list_pages("title_li=&child_of=".$post->post_parent."&echo=0");
else $children = wp_list_pages("title_li=&child_of=".$post->ID."&echo=0&sort_column=menu_order");
if ($children) { echo $children;}
?>