Need help with Flash Navigation bar..

Ok, well i have a flash navigation bar, with 5 buttons. How do i direct each flash button to a URL?


PS: Using Adobe Flash CS4

An actionscript version 2 option

http://www.tizag.com/flashTutorial/flashbutton.php

An actionscript 3 version option

http://edutechwiki.unige.ch/en/ActionScript_3_event_handling_tutorial