Rails - Nov 2005 - Passing a hash in a GET string

Hi Guys,

I have a search action that takes a hash of parameters, e.g.

searchfields[''firstname''] = Joe
searchfields[''surname''] = Bloggs
etc.

Is there a way that I can pass this hash to the link_to function so that 
it will encode it properly in the URL?
(i.e. searchfields[firstname]=Joe&searchfields[surname]=Bloggs)

Thanks!

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