> If I include an alert() before the if statement, as in the snip of
> code below, the polylines are drawn when the height is greater than
> 200m. However if the alert() is left out no polylines are drawn
> whether the height is above 200m or not.
>
>         getElevationInter(point.lat(),point.lng());

http://econym.org.uk/gmap/async.htm

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