User-agent: dtSearchSpider
Disallow: /contests
Disallow: /start
Disallow: /search
Disallow: /_404.aspx
Disallow: /signup
Disallow: /_ajax
Disallow: /umbraco
Disallow: /swf
Disallow: /css
Disallow: /ScriptResource.axd
Disallow: /WebResource.axd 
User-agent: *
Disallow: /_ajax
Disallow: /umbraco
Disallow: /swf
Disallow: /css
Disallow: /ScriptResource.axd
Disallow: /WebResource.axd