User-agent: *
Disallow: /admin/
Disallow: /admin_shelley/
Disallow: /email/
Disallow: /files/
Disallow: /ipix/
Disallow: /sitemap/
Disallow: /ssi/
Disallow: /webedit/
Disallow: /z_
Disallow: /secure/
Disallow: /docs/
Disallow: /content/
Disallow: /reps/
 
User-agent: *        # any user agent (browser) is allowed
Disallow:  /admin/    # no user agent (browser) is allowed within the admin directory
Disallow: /z_        # will not allow any user agent to view z_ files (I have not verified this)