User-Agent: *
Disallow: /captcha/
Disallow: /*.doc$
Disallow: /*.xls$
Disallow: /*.ods$
Disallow: /*.ots$
Disallow: /*.odt$
Disallow: /*.png$
Disallow: /*.jpg$
Disallow: /*.gif$

User-Agent: Googlebot-Image
Disallow: /