User-Agent: Yandex 
Disallow: /cgi-bin
Disallow: /online.php
Disallow: /online.txt
Disallow: /click.php
Host: www.tdtsk.ru

User-agent: *
Disallow: /cgi-bin
Disallow: /online.php
Disallow: /online.txt
Disallow: /click.php