>
> Provide a blank overlay behind the markers so it is not obvious that this 
> is a Google Map 
>

If you don't want to show a map, on the map, then why use Google Maps? Why 
not just drop points on a canvas? It's easy to load an image of the world 
into the background of your canvas/div/etc to draw the points over.

Also, most browsers are going to be slow with 5K objects being tracked with 
events in the DOM. Consider drawing them on a canvas to cut down on that 
overhead. You can map click events on the canvas to a given point using a 
single event handler which will make things much faster.


Sincerely,
Joseph 

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