diff --git a/plugins/require_auth_to_comment/controllers/require_auth_to_comment_plugin_admin_controller.rb b/plugins/require_auth_to_comment/controllers/require_auth_to_comment_plugin_admin_controller.rb
new file mode 100644
index 0000000..20b839a
--- /dev/null
+++ b/plugins/require_auth_to_comment/controllers/require_auth_to_comment_plugin_admin_controller.rb
@@ -0,0 +1,14 @@
+class RequireAuthToCommentPluginAdminController < AdminController
+
+  def index
+    settings = params[:settings]
+    settings ||= {}
+    @settings = Noosfero::Plugin::Settings.new(environment, RequireAuthToCommentPlugin, settings)
+    if request.post?
+      @settings.save!
+      session[:notice] = 'Settings succefully saved.'
+      redirect_to :action => 'index'
+    end
+  end
+
+end
diff --git a/plugins/require_auth_to_comment/lib/require_auth_to_comment_plugin.rb b/plugins/require_auth_to_comment/lib/require_auth_to_comment_plugin.rb
index da41a1a..8d8dbc3 100644
--- a/plugins/require_auth_to_comment/lib/require_auth_to_comment_plugin.rb
+++ b/plugins/require_auth_to_comment/lib/require_auth_to_comment_plugin.rb
@@ -21,11 +21,20 @@ class RequireAuthToCommentPlugin < Noosfero::Plugin
   end
 
   def stylesheet?
-    true
+    !display_login_popup?
+  end
+
+  def display_login_popup?
+    settings = Noosfero::Plugin::Settings.new(context.environment, self.class)
+    settings.require_type == 'display_login_popup'
+  end
+
+  def self.require_type_default_setting
+    'hide_button'
   end
 
   def js_files
-    ['hide_comment_form.js', 'jquery.livequery.min.js']
+    ['hide_comment_form.js', 'jquery.livequery.min.js'] + (display_login_popup? ? ['comment_require_login.js'] : [])
   end
 
   def body_beginning
diff --git a/plugins/require_auth_to_comment/public/comment_require_login.js b/plugins/require_auth_to_comment/public/comment_require_login.js
new file mode 100644
index 0000000..9a104bc
--- /dev/null
+++ b/plugins/require_auth_to_comment/public/comment_require_login.js
@@ -0,0 +1,8 @@
+(function($) {
+  $(window).bind('userDataLoaded', function(event, data) {
+    if (!data.login && $('meta[name="profile.allow_unauthenticated_comments"]').length <= 0) {
+      $('.display-comment-form').unbind();
+      $('.display-comment-form').addClass('require-login-popup');
+    }
+  });
+})(jQuery);
diff --git a/plugins/require_auth_to_comment/views/require_auth_to_comment_plugin_admin/index.html.erb b/plugins/require_auth_to_comment/views/require_auth_to_comment_plugin_admin/index.html.erb
new file mode 100644
index 0000000..cc5ae02
--- /dev/null
+++ b/plugins/require_auth_to_comment/views/require_auth_to_comment_plugin_admin/index.html.erb
@@ -0,0 +1,20 @@
+<h1><%= _('Require auth to comment Settings')%></h1>
+
+<% form_for(:settings) do |f| %>
+
+  <div class="require-type">
+    <strong>
+      <div class="hide-button">
+        <%= radio_button(:settings, :require_type, 'hide_button') %> <%= _('Hide button') %>
+      </div>
+      <div class="display-login-popup">
+        <%= radio_button(:settings, :require_type, 'display_login_popup') %> <%= _('Display login popup') %>
+      </div>
+    </strong>
+  </div>
+
+  <% button_bar do %>
+    <%= submit_button(:save, _('Save'), :cancel => {:controller => 'plugins', :action => 'index'}) %>
+  <% end %>
+
+<% end %>
--
libgit2 0.21.2