User-agent: Mediapartners-Google 
Disallow:

User-Agent: Googlebot
Disallow: /roofers/
Disallow: /online-classifieds/
Disallow: /tax-credit.html
Disallow: /?method=create_form&list=classifiedsuser&rollid=701&fromlist=advertisement&frommethod=showdetails&fromid=701&fromfromlist=advertisement_active&fromfrommethod=showhtmllist
Disallow: /?method=showhtmllist&list=classifiedscategory&rollid=93&fromfromlist=classifiedscategory&fromfrommethod=showhtmllist&fromfromid=77&clearoff=1