It worked using GDownloadUrl. Thanks!
On Jul 9, 12:16 pm, Mike Williams <[email protected]> wrote:
> You could listen for map "addoverlay" events.
>
> The awkward thing is working out the timing. There's be one "addoverlay"
> for theGGeoXmlcall itself. I guess that if you only see one such event
> between issuing the addOverlay(ggeoxml) call and receiving its
> completion callback, then there were no contents. You'd need to
> experiment a bit to see if that's exactly what happens.
>
> If the KML generator script is in the same domain, you could
> GDownloadUrl it and count the <Placemark>s.
>
> if (xmlDoc.documentElement.getElementsByTagName("Placemark").length==0)
>
> That's a bit inefficient because the KML gets fetched twice, once to the
> Google server and once to the browser.
>
> --
> Mike Williamshttp://econym.org.uk/gmap
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