User-agent: *
Disallow: /main/ 

User-agent: Yandex
Disallow: /main/
Disallow: /blocks/
Disallow: /dhtmledit/
Disallow: /dump/
Disallow: /fslog/
Disallow: /images/
Disallow: /inc/
Disallow: /js/
Disallow: /lang/
Disallow: /libmodules/
Disallow: /mods/
Disallow: /shared/
Disallow: /tmpl/