Hi,

so, I've been trying to get my arrowheads to turn on and off when
their respective polylines are shown & hidden by means of checkbox.
The polylines get loaded from xml, where they are defined by
category.

The thing I'd really like would be if just one line is showing, to
have just that line's arrowheads shown. At the moment, all the
arrowheads stay on screen permanently.

I've run the arrow markers through all the same functions as the
regular markers (I think) then used var category =
lines[a].getAttribute("category"); when obtaining the attributes of
the arrows, but it doesn't seem to have made a whole lot of
difference.

A stripped-down version of my map is here: http://www.xelawho.com/map/arrow2.htm

Any suggestions would be hugely appreciated.

Lucas

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