Writing specialized metadata to image using Javascript...

I'm working on a project where we are dumping metadata from a database into a text file and then writing it to images using javascript. As long as I use the fields listed in the Javascript reference manual, it works perfectly.
However, the client has asked me to write specialized metadata. I created a panel for them to add in the extra fields. Is there a way to get Javascript to write the extra fields? (Is there a way to extend the DocumentInfo class in Javascript? Me thinks not...but I thought I'd ask.)
Thanks,
Laura

I very interested in this as well... Found an answer yet? Seem silly to me that do don't have access to all of your tags...

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Message was edited by: Laubender

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Writing specialized metadata to image using Javascript...

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