User-agent: *
Disallow: /html
Disallow: /html/

User-agent: Googlebot
Disallow: /html 
Disallow: /html/
Disallow: .doc 
Disallow: .rtf 
Disallow: .swf 
Disallow: .pdf 
Disallow: .php

User-agent: Googlebot-Image
Disallow: *

User-agent: ia_archiver 
Disallow: /