User-agent: yandex
Disallow: /

User-agent: libwww-perl
Disallow: /

User-agent: psycheclone
Disallow: /

User-agent: b3090819.crawl.yahoo.net
Disallow: /

User-agent: Googlebot
Disallow: /*&alpha_filter_id=*
Disallow: /*&sort=*

User-agent: *
Disallow: /_private
Disallow: /_vti_bin
Disallow: /_vti_cnf
Disallow: /_vti_log
Disallow: /_vti_pvt
Disallow: /_vti_txt
Disallow: /cache
Disallow: /cgi-bin
Disallow: /css
Disallow: /images
Disallow: /js