User-agent: * 
Disallow: /administrator/
Disallow: /cache/
Disallow: /components/
Disallow: /editor/
Disallow: /help/
Disallow: /images/
Disallow: /includes/
Disallow: /language/
Disallow: /mambots/
Disallow: /media/
Disallow: /modules/
Disallow: /templates/
Disallow: /installation/
Disallow: /files/
Disallow: /ibid/

User-agent: Googlebot
# disallow all files ending with these extensions
Allow: /sitemap.php
Disallow: /*.php$
Allow: /sitemap.php
Disallow: /*.js$
Disallow: /*.inc$
Disallow: /*.css$
Disallow: /*.txt$
Disallow: /administrator/
Disallow: /installation/
Disallow: /files/
Disallow: /ibid/

# disallow archiving site
User-agent: ia_archiver
Disallow: /

# allow google image bot to search all images
User-agent: Googlebot-Image
Disallow:
Allow: /*.gif$
Allow: /*.png$
Allow: /*.jpeg$
Allow: /*.jpg$
Allow: /*.ico$
Allow: /*.jpg$
Allow: /images

# allow adsense bot on entire site
User-agent: Mediapartners-Google*
Allow: /*