AS3: Seperating Axis Theorem

I Have been working on a collision detector based on the seperating axis theroem as explained here .

http://www.metanetsoftware.com/technique/tutorialA.html

And i am working on a polygon vs polygon collision example. I have put together a Veronoi Regions Test in flash but i dont kno whte correct way to find if a the closest point or axis inside on of my regions or even to determine if it is in these areas. Can someone please help me.