User-agent: Mediapartners-Google*
Disallow: /refer/
Disallow: /main/
Disallow: /flash/
Disallow: /images/
Disallow: *.txt
allow:	index.php

User-agent: *
allow:	index.php
Disallow: *.txt
Disallow: /refer/
Disallow: /main/
Disallow: /flash/
Disallow: /images/