User-agent: *
Allow: /

User-agent:googlebot
Disallow: /*.pdf
Disallow: /*.ppt
Disallow: /*.pptx
Disallow: /*.xls
Disallow: /*.xlsx
Disallow: /*.doc
Disallow: /*.docx
Disallow: /*login
Allow: /

User-agent:msnbot
Disallow: /*.pdf$
Disallow: /*.ppt$
Disallow: /*.pptx$
Disallow: /*.xls$
Disallow: /*.xlsx$
Disallow: /*.doc$
Disallow: /*.docx$
Disallow: /*login$
Allow: /

User-agent:yahoo-slurp
Disallow: /*.pdf$
Disallow: /*.ppt$
Disallow: /*.pptx$
Disallow: /*.xls$
Disallow: /*.xlsx$
Disallow: /*.doc$
Disallow: /*.docx$
Disallow: /*login$
Allow: /