User-agent: Googlebot
# disallow all files ending with these extensions
Disallow: /*.php$
Disallow: /*.js$
Disallow: /*.inc$
Disallow: /*.css$
Disallow: /*.gz$
Disallow: /*.cgi$
Disallow: /*.cgi$
Disallow: /*.xhtml$
Disallow: /*.php*
Disallow: */trackback*

User-agent: Slurp
# disallow yahoo bot
# Disallow: /