fix ad_banner. new ad_image with best size from ad_banner. content editable at tab

app/controllers/admin/ad_images_controller.rb

@@ -18,7 +18,8 @@ class Admin::AdImagesController < ApplicationController
   end
   
   def new
-    @ad_image =AdImage.new 
+    ad_banner = AdBanner.find params[:ad_banner_id]
+    @ad_image =ad_banner.ad_images.build 
     @ad_image.post_date = Date.today
     @ad_image.unpost_date = Date.today + 30
     #render :action => 'new',:url=> {:ad_banner_id => params.has_key?(:ad_banner_id)? params[:ad_banner_id],nil}