Give this example a look if you want to experiment with other ways to use buttons, markers, and layers to create a really rich and informative learning resource.
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Published 5 years ago
Version 1.0
Blog Post
Details question....for the markers on the individual layers, did you use button states or additional layers? I sometimes use complex button states for the down and visited states so i can keep all the elements on a single layer.
TIA
-gt
TIA
-gt