Wordpress: simple way to add an admin button with x subs

Question

Hi,

What's the simplest way to add an admin menu button with x submenus? How can I make use of the table styling of WP?

I just want to show a table of orders from a non WP table, but displayed in WP admin??

Should I make a plugin?

Answer 1

ok first part is here http://codex.wordpress.org/Adding_Administration_Menus

second question stil stands