URL modification to subdomain, its not simple url rewrite by kayahan

I am having website english + 10 other languages Need 10 URL modification from www.example.com/?index.php?language_id=21 www.example.com/?language_id=21 to www.fr.example.com/ etc. ATTENTION:… (Budget: $30-$250 USD, Jobs: C Programming, PHP, SQL, System Admin)