make Rails respond to an HTTP OPTIONS method request

OPTIONS.rb

  # Add to routes.rb
  # Needed for responding to OPTIONS http method
  map.connect '*path', 
            :controller => 'home', 
            :action => 'options_for_mopd', 
            :conditions => {:method => :options}
  


  # in home_controller.rb
  def options_for_mopd
    render :nothing => true, :status => 200
  end