[jQuery] Latest Tablesorter SVN not sorting w/ IE6/7 ?

[jQuery] Latest Tablesorter SVN not sorting w/ IE6/7 ?

Hi,
I've been racking my brain on this for hours, and am somewhat embarrassed
to ask.... so is there anything in this HTML, I'm doing that should be
done differently? IE6/7 throws an error: Number expected. For the life of
me, I can't see what I'm doing wrong ...
Thanks and its a great plugin,
-Jonathan

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