#http://www.webtoolcentral.com/webmaster/tools/robots_txt_file_generator/index.php
User-agent: *
Disallow: 

# Disallow directory /new/
User-agent: *
Disallow: /new/

# Disallow directory /old/
User-agent: *
Disallow: /old/

# Disallow directory /admin/
User-agent: *
Disallow: /admin/

# Disallow directory /ajax/
User-agent: *
Disallow: /ajax/

# Disallow directory /img/
User-agent: *
Disallow: /img/