<%= error_messages_for("forum_post") %> <%= simple_form_for(forum_post) do |f| %> <%= f.input :topic_id, :as => :hidden %> <%= dtext_field "forum_post", "body", :value => forum_post.body, :input_id => "forum_post_body_for_#{forum_post.id}", :preview_id => "dtext-preview-for-#{forum_post.id}" %> <%= f.button :submit, "Submit" %> <%= dtext_preview_button "forum_post", "body", :input_id => "forum_post_body_for_#{forum_post.id}", :preview_id => "dtext-preview-for-#{forum_post.id}" %> <% end %>