13065 Website Upgrades

what i need done: need an option on admin panel to add other admins and moderators through the script . i recently added moderator option to the script. need an option on user profile to set timezone settings. need option on profile that turns off or on your ratings. and says " your ratings have been enabled/disabled" when you turn it on or off. need the age changed on signup so you can be at least 15 or older to signup not 18 or older. need a security system where adults cant add minors without approval from moderators or admin.