> And to the larger question, would all those separate polylines
> be contained within a kml file, and the polygons be contained within a
> "GLayer" object to whihc i can apply events?
There's a number of ways to go about it, but ...
Use of KML could restrict the flexibility of what you're trying to do.
I'd look at a custom solution.
GPolylines are just another javascript object ; you could give them a
custom property like
mypolyline.mycategory = 'Indonesia'
You could have listeners checking that property on 'their' object
on mouseover ...
if (polyline.mycategory = 'Indonesia') then do stuff
If you keep an array of you polylines from creation, you could write a
routine
for each polyline
if polyline.mycategory = same as mousover poly, then highlight
(change colour or width)
Some of these techniques are here
http://econym.org.uk/gmap/
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