I actually found another post that addresses this very same issue:

http://aspn.activestate.com/ASPN/Mail/Message/pyxpcom/3517059

Apparently, the methods I'm interested are javascript specific, and
can't be accessed via python.

-R

On 8/10/07, Mark Hammond <mhammond@[...].au>  wrote:
>  > Given that you're not familiar enough with these specific
>  > elements, where would *you* go to figure out which interfaces
>  > are implemented by my surface object (it's a <browser> XUL
>  > element) and do you have a snippet of code that exemplifies
>  > the retrieval of an object (via getElementById(), and the
>  > application of that interface so that the
>  > goBack() method can be called?
> 
>  I'd start simply by printing a repr() of the fetched object.  An XPCOM
>  object will generally list the interfaces known on the object.  Or, I'd
>  approach it from the other direction - determine the interface I need and
>  try to work out, via lxr, which objects implement that interface.  Sadly,
>  there are still some facilities that are exposed in a JS specific way - eg,
>  window.open() is such a method - but assuming you are using the nsdom work,
>  it should be possible to trick things into executing JS code (I think I
>  emailed some details on that a few weeks ago).
> 
>  Sadly I'm travelling at the moment and don't even have a mozilla source tree
>  on the laptop I have in front of me.
> 
>  Cheers,
> 
>  Mark
> 
> 


-- 
"Time is an illusion.  Lunchtime, doubly so."

Ryan Sturmer
ryansturmer@[...].com
http://www.gogglemarks.net/
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