Please guide me for create an admin panel with codeIgniter

hello
i want create an admin panel with codeIgniter that have a general manager and several subsidiary manager for special page.this subsidiary manager create by general manager.
example:
jimi is general manager
alex is subsidiary manager for section contact us.
bab is subsidiary manager for section support.
and …
how create an also admin panel with CodeIgniter?
How do I start?
(please guide me)
summary:created to manage access levels

Maybe this can help you get started: http://lmgtfy.com/?q=create+cms+with+codeigniter

I’m sure people will be willing to help you tackle individual, specific problems you encounter, but no-one is going to build your CMS for you. You’ll need to research and build it yourself.