search for: string_ids

Hi There! I''d like some feedback before I try to implement some funky rails routes based on an acts_as_tree model. I have a Page model that acts_as_tree. I''d like the URLs to look something like this: http://localhost/about-us/staff/jeff or, another example... http://localhost/what-we-do/products/our-great-cms/features/faqs/ So, as many sub-nodes the user creates,

I have a link: <%= link_to ''delete'', :action => ''destroy'', :id => u(string_id) %> Helper method ''u()'' can encode a string to URL encoding, but I don''t know which method can decode it? I want to used in controller. I have not seen it in Rails''s document. Thanks, - Li Jie