>>>>> "Jefferson" == Jefferson Thomas <foramuyou@xxxxxxxxx> writes:

    Jefferson> Thank you. I have downloaded Altova and Gestalt and It
    Jefferson> works there.  The only problem is that I really need to
    Jefferson> have that inside the browser. Is there any way to add
    Jefferson> that functionality to Internet Explorer or Firefox ?
    Jefferson> Any plugins, extensions ?

I don't know.
As the author of Gestalt, I am interested in making this available. So
I asked the question on a Firefox forum (how could I go about doing
it?). I received no replies.
-- 
Colin Adams
Preston Lancashire