legal question

Edouard Schlumberger <[email protected]> Mon, 11 Aug 2008 04:39:07 -0700 (PDT)
Newsgroups gmane.comp.mozilla.license
Organization http://groups.google.com
Message-ID <1c540b25-9f8e-43e0-9a0d-1953d147e6d3@v57g2000hse.googlegroups.com>
Hello,

I would like to develop a new add-on which transforms different
websites for the user. For example, the add-on could add a specific
link or image on the homepage of Google or any other website.

Is it legal to do that ?

Thank you for your answer.

Best regards,
Edouard.