Okay, I'm trying to be creative with my map. My proof of concept is at www.ambersedibles.com/test.html. What you see is a png layer with a transparent center, so the map is actually behind the green border.
Microsoft's BING logo is z-index 30 so you can see it on top of border. The copyright in the lower right hand corner is z-index 31. I found this merely buy trial and error to see when they would no longer appear on top of the green border.
My goal is to adjust the z-index of the custom push pins so that they are on top of the border layer and thus responsive to mouseover options.
Any help is greatly appreciated, Carraig