Hot spot

hello!
im new here. i want to say that this site is really great + good looking =)
so… here’s my question. i was waondering how could i make hot spots in flash mx? let’s say we have map of world. so how would i make every continent a button, so when i’d roll my mouse over it woud change color and that it would contain the url to apropriate site. i hope you understand :slight_smile:
thank you!