Thread: can't see my all pages

Hi,
I'm new in BV, i've built web site and published it. when i try to go in, i only see my index page. and that's all. when i try to go to the other pages all i can see is:
Not Found

The requested URL /accueuil.html was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
Apache/2.0.63 (Unix) mod_ssl/2.0.63 OpenSSL/0.9.8e-fips-rhel5 mod_auth_passthrough/2.1 mod_bwlimited/1.4 FrontPage/5.0.2.2635 Server at www.jurimediahaiti.org Port 80

http://www.jurimediahaiti.org/actualites.html
Should be published as .php extension & the link with the same extension because there is a form on the page..
Same with............
http://www.jurimediahaiti.org/message_du_mois.html