Fixed Item#parent_name again

app/controllers/application_controller.rb

@@ -32,7 +32,7 @@ class ApplicationController < ActionController::Base
   end
   
   def find_parent_item
-    @parent_item  = Item.find_by_name(params[:parent_name])
+    @parent_item  = Item.find_by_name(params[:parent_name] || 'root')
     unless @parent_item
       @parent_item = Page.create( :name => "root", :title => "root", :layout_name => "root" )
     end