Modifications of the JS in Design

app/controllers/admin/designs_controller.rb

@@ -44,7 +44,7 @@ class Admin::DesignsController < ApplicationController
   def edit_file
     @design = Design.find(params[:id])
     filename = params[:filename]
-    files = @design.stylesheets + @design.javascripts + @design.images
+    files = @design.themes + @design.javascripts + @design.images
     file_to_removed = files.find{ |obj|
       obj.file_filename == filename
     }
@@ -56,11 +56,12 @@ class Admin::DesignsController < ApplicationController
       replace_target = eval("@design.#{type.downcase.pluralize}")
       new_file = replace_target.build(:file => temp_file,:to_save=>true)
       file_to_removed.destroy
-      @design.save
+      new_file.save
       temp_file.close
-      }
-      render :json => new_file.file.url
-    
+    }
+    respond_to do |format|
+      format.js  {}
+    end
   end
 
   def edit