User-agent: yahoobot
Disallow: /*?

User-agent: Yahoo! Slurp
Disallow: /*?

User-agent: Yahoo! Slurp
Disallow: /

User-agent: Slurp
Disallow:/*?

User-agent: Slurp
Disallow:/

User-agent: googlebot
Disallow: /*?

User-agent: googlebot
Disallow: /*?

User-agent: googlebot
Disallow: /*?

User-agent: googlebot
Disallow: /*