On Mar 25, 3:48 pm, miguev <[email protected]> wrote:
> I think your problem is that your adding the same control
> (OverviewMap) more than once, which goes against the API reference:
>
> A control instance must not be added more than once to the 
> map.http://code.google.com/apis/maps/documentation/reference.html#GMap2.a...

I was coming to this conclusion too.

To get it to work, take this line out of addMapControl():
  OverviewMapControl= new GOverviewMapControl();
and add that assignment to the variable declaration:
  var mapControl, zoomControl;
  var OverviewMapControl= new GOverviewMapControl();

That way you only create one GOverviewMapControl and you can add and
remove it at will. Currently you attempt to create a new one every
time addMapControl() is executed.

In this case, the documentation is ambiguous. You're not adding the
control more than once to the map; but you are creating the control
more than once.

Andrew
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