User-agent: *
Disallow: /*.css$
Disallow: /*.gif$
Disallow: /*.jpg$
Disallow: /*.js$
Disallow: /go.php
Disallow: /x.htm
Disallow: /y.htm

User-agent: Exabot
Disallow: /

User-agent: Gigabot
Disallow: /

User-agent: Googlebot-Image
Disallow: /

User-agent: Seekbot
Disallow: /

User-agent: Teoma
Disallow: /