Custom overlay opacity control for use with Google Maps JavaScript API V3.
More detail and demo: http://www.gavinharriss.com/code/opacity-control
Originally developed for NZ Topo Map: http://www.topomap.co.nz
Custom overlay opacity control for use with Google Maps JavaScript API V3.
More detail and demo: http://www.gavinharriss.com/code/opacity-control
Originally developed for NZ Topo Map: http://www.topomap.co.nz