socialforge/app/views/users/course_community.js.erb

$("#show_more_activities").replaceWith("<%= escape_javascript( render :partial =>  'users/user_activities',
                                                                      :locals => {:user_activities => @user_activities,
                                                                                  :page => @page,
                                                                                  :type => @type,
                                                                                  :user_id => (@user.type == "AnonymousUser" ? User.current.id : @user.id),
                                                                                  :action => "course_community"} )%>");