<% if local_assigns.include?(:next_page) || local_assigns.include?(:previous_page) %>

" >

<%= previous_page[:title] %> <% if previous_page[:label].present? %> : <%= previous_page[:label] %> <% end %>
<%= next_page[:title] %> <% if next_page[:label].present? %> : <%= next_page[:label] %> <% end %>

<% end %>