diff --git a/app/controllers/admin/app_auths_controller.rb b/app/controllers/admin/app_auths_controller.rb
index 9e980e53d..28a45e9bf 100644
--- a/app/controllers/admin/app_auths_controller.rb
+++ b/app/controllers/admin/app_auths_controller.rb
@@ -1,4 +1,4 @@
-class Admin::AppAuthsController < ApplicationController
+class Admin::AppAuthsController < OrbitBackendController
   layout "admin"
   before_filter :authenticate_user!
 #  before_filter :is_admin? ,:only => :index
diff --git a/app/controllers/admin/infos_controller.rb b/app/controllers/admin/infos_controller.rb
index c35f2246d..5059c88d5 100644
--- a/app/controllers/admin/infos_controller.rb
+++ b/app/controllers/admin/infos_controller.rb
@@ -1,4 +1,4 @@
-class Admin::InfosController < ApplicationController
+class Admin::InfosController < OrbitBackendController
   
   layout "new_admin"
   before_filter :authenticate_user!
diff --git a/app/controllers/admin/items_controller.rb b/app/controllers/admin/items_controller.rb
index e028ab680..e0a8a445d 100644
--- a/app/controllers/admin/items_controller.rb
+++ b/app/controllers/admin/items_controller.rb
@@ -1,4 +1,4 @@
-class Admin::ItemsController < ApplicationController
+class Admin::ItemsController < OrbitBackendController
 
   layout "site_editor"
   
diff --git a/app/controllers/admin/member_selects_controller.rb b/app/controllers/admin/member_selects_controller.rb
index c4a4bf423..9d7e6643d 100644
--- a/app/controllers/admin/member_selects_controller.rb
+++ b/app/controllers/admin/member_selects_controller.rb
@@ -1,4 +1,4 @@
-class Admin::MemberSelectsController < ApplicationController
+class Admin::MemberSelectsController < OrbitBackendController
   
   layout "new_admin"
   
diff --git a/app/controllers/admin/module_apps_controller.rb b/app/controllers/admin/module_apps_controller.rb
index da0294200..c80f7228e 100644
--- a/app/controllers/admin/module_apps_controller.rb
+++ b/app/controllers/admin/module_apps_controller.rb
@@ -1,4 +1,4 @@
-class Admin::ModuleAppsController < ApplicationController
+class Admin::ModuleAppsController < OrbitBackendController
   before_filter :user_has_manager_privilege?, :only => [ :assign_manager, :remove_manager ]
   before_filter :user_has_sub_manager_privilege?, :only => [ :assign_sub_manager, :remove_sub_manager ]
 
diff --git a/app/controllers/admin/object_auths_controller.rb b/app/controllers/admin/object_auths_controller.rb
index d407d3db0..086ca28c0 100644
--- a/app/controllers/admin/object_auths_controller.rb
+++ b/app/controllers/admin/object_auths_controller.rb
@@ -1,4 +1,4 @@
-class Admin::ObjectAuthsController < ApplicationController
+class Admin::ObjectAuthsController < OrbitBackendController
   include OrbitCoreLib::PermissionUtility
   layout "new_admin"
   before_filter :force_order
diff --git a/app/controllers/admin/page_parts_controller.rb b/app/controllers/admin/page_parts_controller.rb
index de1e88ea8..f3b37c1e0 100644
--- a/app/controllers/admin/page_parts_controller.rb
+++ b/app/controllers/admin/page_parts_controller.rb
@@ -1,4 +1,4 @@
-class Admin::PagePartsController < ApplicationController
+class Admin::PagePartsController < OrbitBackendController
 
   layout "site_editor"
   
diff --git a/app/controllers/admin/purchases_controller.rb b/app/controllers/admin/purchases_controller.rb
index 8a0ffdbcc..d1d5039e2 100644
--- a/app/controllers/admin/purchases_controller.rb
+++ b/app/controllers/admin/purchases_controller.rb
@@ -1,4 +1,4 @@
-class Admin::PurchasesController < ApplicationController
+class Admin::PurchasesController < OrbitBackendController
   require "net/http"
   require "uri"
   require 'zip/zip'
diff --git a/app/controllers/admin/roles_controller.rb b/app/controllers/admin/roles_controller.rb
index ade4aa43e..a71d5ca06 100644
--- a/app/controllers/admin/roles_controller.rb
+++ b/app/controllers/admin/roles_controller.rb
@@ -1,4 +1,4 @@
-class Admin::RolesController < ApplicationController
+class Admin::RolesController < OrbitBackendController
   
   layout "new_admin"
   before_filter :authenticate_user!
diff --git a/app/controllers/admin/sites_controller.rb b/app/controllers/admin/sites_controller.rb
index 943134d4a..33f9582f4 100644
--- a/app/controllers/admin/sites_controller.rb
+++ b/app/controllers/admin/sites_controller.rb
@@ -1,4 +1,4 @@
-class Admin::SitesController < ApplicationController
+class Admin::SitesController < OrbitBackendController
   
   layout "new_admin"
   before_filter :authenticate_user!
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 26a14fd45..573b19143 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -59,30 +59,6 @@ class ApplicationController < ActionController::Base
      redirect_to root_path
   end
   
-  # Check if the current_user is admin,if not redirect
-  def is_admin?
-    current_or_guest_user.admin? ? true : auth_failed_in_backend
-  end
-  
-  # def is_manager?
-  #    @module_app.is_manager?(current_or_guest_user) || is_admin?
-  # end
-  
-  # # Check if the current_user is admin
-  # def is_member?
-  #   if (current_user rescue false)
-  #     return true
-  #   end
-  #   return false
-  # end
-  
-  # def is_guest?
-  #   if session[:guest_user_id]
-  #     return true
-  #   end
-  #   return false
-  # end
-  
   def for_admin_only
     if is_admin?
       true
diff --git a/app/views/admin/purchases/index.html.erb b/app/views/admin/purchases/index.html.erb
index e45d31926..cd9d23e80 100644
--- a/app/views/admin/purchases/index.html.erb
+++ b/app/views/admin/purchases/index.html.erb
@@ -1,3 +1,7 @@
+<% content_for :side_bar do %>
+	<%= render :partial => 'layouts/side_bar', :locals => {:link_name => t('site.settings'), :link_url => admin_site_site_info_path(@site), :side_bar_content => 'admin/sites/side_bar'} %>
+<% end %>
+
 <div class="main2">
 	<h1 class="list_title"><%= t('list.purchase') %></h1>
 	<table class="table main-list">