User-agent: Slurp
Disallow: /openads
User-agent: googlebot
Disallow: /openads
User-agent: WebAlta Crawler
Disallow: /openads
User-agent: CamelStampede
Disallow: /openads
User-agent: BecomeBot 
Disallow: /openads
User-agent: MJ12bot
Disallow: /openads
User-agent: Twiceler
Disallow: /openads