[jQuery] $(form.elements) fails in Safari

[jQuery] $(form.elements) fails in Safari

I'm trying to do some jQuery manipulations on a form. A reference to
the form is in the variable 'theForm'. the following generates an
error in Safari:
alert( $(theForm.elements) );
the error generated is:
Value undefined (result of expression f.apply) is not object.
http://mydomain.com/lib/js/jquery/jquery.js Line 3578
I'm using revision 443 of jQuery.
Anyone have an idea what might be causing this? I have a feeling it
might be related to an earlier discussion about passing/manipulating
nodelists in Safari. If so, was there a resolution to that problem
that might apply here?
Thanks in advance,
-p
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