User-Agent: Googlebot
Allow: /
User-Agent: Scooter 
Allow: /
User-Agent: ArchitextSpider 
Allow: /
User-Agent: Slurp 
Allow: /
User-Agent: InfoSeek Sidewinder 
Allow: /
User-Agent: T-Rex 
Allow: /
User-Agent: Echo 
Allow: /
User-agent: Mediapartners-Google* 
Disallow: