Dynamic navigation menu

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hi, i've been working on my own CMS, i have it nearly finished except for the menus i need to show on my site.

I need to show menus on my site for navigation like this:

Site
link 1
link 2
link 3
Game
link 1
link 2
link 3
etc...

I have a table which has the menu names and a table for the content. When i add the content i assign which menu the link will appear under.

Now my problem is, i have no idea how to make the menus appear on my main site they way i want them, i can either make only the links appear, or make only teh menu name appear, but it will only show one menu name at a time.

Can anyone point me in the right direction?

btw if needed here is my table structures:

Menu
id
Menu_name
Position
align
enabled

Content
id
title
content
menu
enabled