Rails - Apr 2007 - Ajax response not evaluating?

This is an odd one. I just noticed that for some odd reason, my ajax
responses on graphics-world.com (rate a tutorial, report a tutorial,
etc.) are not being evaluated. To make the puzzle even more interesting,
it does work fine when a user is logged in!

Looking at the request/response cycle in Firebug, everything is fine.
Here is a sample response for non-logged in user:

Element.update("message-1411", "<b>Join the
conversation!</b> To save
tutorials, <b><a href=\"/login\">login</a></b>
or <b><a
href=\"/register\">register</a></b> for free. <a
href=\"#\"
onClick=\"removeParent(this);\"><img
src=\"/images/close.gif\"></a>");
new Effect.Appear("message-1411",{duration:1.5});
Element.hide("t-1411-indicator");

Now, I can stick this code into my console and run it.. and it will
perform all correct actions with no failures! Even better, the response
is identical for a logged in user (which does evaluate). This pattern
repeats on FF 1.5/IE 7.

I''ve updated all js scripts to latest revisions (rake rails:update...).

Any ideas? Can you give it a shot, do you see the same problem?

Ilya - igvita.com/blog

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As usual, you find the culprit right after you post a question. :)

The headers were sent as text/html, and explicitly forcing them to 
''text/javascript'' did the trick:

return render(:controller => ''/lists'', :action =>
''save.rjs'',
:content_type => "text/javascript; charset=utf-8") if request.xhr?



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