User-agent: *
Disallow: /cgi-bin/
Disallow: /webalizer/

User-agent: Googlebot
Disallow: /*.gif$
Disallow: /*.jpg$
# Disallow: /*.doc$
Disallow: /*.xls$
# Disallow: /*.pdf$
Disallow: /*.txt$
Disallow: /*.zip$