I use a lot of flash for an apple fanboy
Game Code Examples
Nav hot spot is a 40 x 40 isometric grid built on the fly in AS from 2 base button objects.
http://www.dauz.com/thebase/
Movement is due to just moving the mouse inside the hotspot
http://www.dauz.com/river/
movement is achieved via mouse clicks inside the hot spot
Same base map mover – all artwork and code by me.