fix view for different_user for ad_banner. add field 'best size' for ad_banner within form

app/controllers/admin/ad_banners_controller.rb

@@ -1,7 +1,7 @@
 class Admin::AdBannersController < OrbitBackendController
   layout "new_admin"
   before_filter :authenticate_user!
-  before_filter :for_app_manager,:except => [:index,:show] 
+  before_filter :for_app_manager,:except => [:index,:show,:update,:realtime_preview] 
   before_filter :for_app_sub_manager
 
   def rename

app/controllers/admin/ad_images_controller.rb

@@ -1,8 +1,8 @@
-class Admin::AdImagesController < ApplicationController
+class Admin::AdImagesController < OrbitBackendController
   layout 'new_admin'
   before_filter :authenticate_user!
-  before_filter :is_admin?
-  
+  before_filter :for_app_sub_manager
+
   def edit
     @ad_banner = AdBanner.find params[:ad_banner_id]
     @ad_image = @ad_banner.ad_images.find params[:id]