search for: category_titles

I have the following models: === class Person < ActiveRecord::Base has_many :person_organisations, :dependent => true has_many :organisations, :through => :person_organisations has_many :person_categories, :dependent => true has_many :categories, :through => :person_categories end class Category < ActiveRecord::Base has_many :person_categories, :dependent => true

Hey all, I''m writing a search function for my page but I get stuck at the form part. When I press submit all the params are nil. here is my list.rhtml: <%= start_form_tag :controller=>''ads'', :action => ''search'' %> <%= render :controller=>''cats'',:partial => ''/cats/search'' %> <p> <%=