Dynamically expanding Django forms

I would like to create a form where a user can enter an arbitrary # of i开发者_如何学Pythontems in separate textboxes. The user could add (and potentially remove) fields as needed. Something like this:

_{(source: eggdrop.ch)}

I found the following different solutions:

http://www.eggdrop.ch/blog/2007/02/15/django-dynamicforms/

http://dewful.com/?p=100

These methods both appear a bit involved. Is there a simpler way?

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I know this is a new feature in the admin in Django 1.2.

Maybe you can take a look at the way they implemented it there.