User-agent: Slurp
Disallow: /

User-agent: Yahoo-MMCrawler
Disallow: /

User-agent: Yahoo-slurp
Disallow: /

User-agent: Yahooslurp
Disallow: / 

User-agent: *
Disallow: /index.php?
Disallow: /search.html?
Disallow: /*.pdf$