#article_drop.rb

## this goes in app/drops/article_drop.rb
def next?
  [email protected]?
end

def previous?
  [email protected]?
end

#previous link
{% if article.previous? %}
  {{ article | previous_article | link_to_article }}
{% else %}
  <a href="/">home</a>
{% endif %}

#next link
{% if article.next? %}
  {{ article | next_article | link_to_article }}
{% else %}
  <a href="/">home</a>
{% endif %}

http://tesoriere.com/2009/4/mephisto-next-article-link-and-previous-article-link

Mephisto previous/next articles

Rails