[Rails 2.3] nested_attributes and validation of nested model

Hi,

I'm using nested models to create form in my view. It looks like this:

<% form_for :user, :url => {:action => "add_owner" }, :html => { :method => :post } do |u| %>

<li><label>Name: </label><%= u.text_field :name %></li> <li><label>Surname: </label><%= u.text_field :surname %></li>

<% u.fields_for :agency_owner_attributes do |ao| %> <li><label>Agency name: </label><%= ao.text_field :name %></li> <li><label>Address: </label><%= ao.text_field :address %></li> <% end %>

<% end %>

Both models: User and AgencyOwner:

class User < ActiveRecord::Base   has_one :agency_owner   accepts_nested_attributes_for :agency_owner   validates_associated :agency_owner   # - validation here - # end

class AgencyOwner < ActiveRecord::Base   belongs_to :user, :class_name => "User", :foreign_key => "user_id"   # - validation here - # end

Controller:

def add_owner @user = User.new(params[:user]) @user.save end

The problem: The whole idea of nested models is working. I can create two objects (user and agency_owner) at once. When I display error_messages_for 'user' I get validation errors for both models (User and AgencyOwner) - it's working very well. But "fieldWithErrors" <div> is shown only for fields from User model, so It's impossible for highlight all error fields from nested model. Do you have any idea how to fix it?

thanks for help