pyfacebook and javascript query
You can't pass a variable directly, as JavaScript is running on the client (browser), and Python is running on the server.
You could make a XHR (AJAX) request from JavaScript to the server which would then return your values back to JS (JSON could be used here).
Or you could put a hidden field to your markup that would have the value in it's "value" attribute. You could then read that with JavaScript.
ps: your question really isn't related to pyfacebook but Python (or any other server side technology) in general and that has been covered here many many times.
I'm using pyfacebook on the backend and javascript on the client side. Now if I want to pass a variable to the javascript from pyfacebook. how would I go about doing that, any ideas?