Thanks Luke,

I don't get the error any more but...

In Chrome, the map doesn't show and Javascript console doesn't show
any fatal errors;

In IE, the map shows but no pointers.

John T

P.S.  Thanks to you and everyone who contributes.  I've been able to
work my way through knowing nothing to getting a pointer map
operational by following the descriptions and examples.  Good Work!
(I still don't know anything, but it's results not knowledge Im after.
lol)




On Dec 21, 10:11 pm, Luke Mahé <[email protected]> wrote:
> Hi John,
>
> Change
>
> var mc = MarkerClusterer(map,markerarray,mcOptions);
>
> to
>
> var mc = new MarkerClusterer(map,markerarray,mcOptions);
>
> -- Luke
>
> On Wed, Dec 22, 2010 at 2:08 PM, John T 
> <[email protected]>wrote:> I get the following error in the 
> MarkerClusterer.js routine.
>
> > Uncaught TypeError: Object [object DOMWindow] has no method 'extend'
>
> > This error is at line 65 of MarkerClusterer.js, which is:
> > this.extend(MarkerClusterer, google.maps.OverlayView);
>
> > I'm new with Google.maps and no expert on Javascript but I've looked
> > at the examples and can't figure out where I've screwed up.  Here is a
> > link to my code:
> >http://www.horsetraildirectory.com/dec10_map_test_cluster.htm
>
> > Any help would be greatly appreciated.
>
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