Rails - Jun 2006 - Javascript submit form & RJS

I''m using javascript to submit a form using the onclick and getting a
response using RJS.  Everything works fine except for the returned response
is coming back as text no matter what I do.  I am attempting to explicitly
set the Content-Type header and I tried using the :type param to render but
nothing seems to work.  Any suggestions?

Env:

OSX
Lighttpd
Rails Edge

Thanks!
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