with component Admin-User-Access you can manage 'administrator' and 'manager' users:

• article access when editting in backend and frontend
• category access when editting articles in backend and frontend
• sections access when editting articles in backend and frontend
• page access when editting articles in backend and frontend
• itemtype access with component Pages-and-Items
• component access at backend
• workflow settings
• Admin-User-Access backend toolbar
• custom toolbar buttons per usergroup in the backend
• hide Joomla toolbar

purchase license

• Joomla Installed
• Safe mode must be OFF
• Magic quotes gpc must be OFF (in Joomla 1.0.x ON)
• MySql Version 4.3 or above
• Ioncube installed or installable (see these FAQ's)

These extensions will work on your local development server (see this FAQ). To use them online you need to purchase a license key.

If used in combination with Pages-and-Items you must upgrade to at least Pages-and-Items version 1.1.0.

You need to install the component, module and plugin for everything to work.

• com_admin_user_access_v1-2-2_j1-5-x.zip
• mod_admin_user_access_v1-0-4_j1-5-x.zip
• bot_admin_user_access_v1-0-2_j1-5-x.zip

• com_admin_user_access_v1-2-2_j1-0-x.zip
• mod_admin_user_access_v1-0-4_j1-0-x.zip
• bot_admin_user_access_v1-0-2_j1-0-x.zip

screenshots fullsize (popup)