Hey Tim,
I haven't managed to figure out how to change the symbol to an image like a Pin or Buble etc. However I have just changed the shape and the colour so I can categorize this way. This should do fine for now, cheers for this...
Another quick one for you if you don't mind - There may be times that all my points won't be visable on the map due to users zooming/dragging the map etc. If I click on a button for a point that is not curretly visible on the map, the map doesn't auto move to that point and the infoWindow may only partially show, or not show at all, depending on how far the map has been zoomed or dragged away from the selected point. You can see this in your example, if you drag the map so your points are out of sight, then click on a button, you will see the points don't come back into view.
Do you have any idea how I can set the map to zoom/move back and show the current clicked point?
Many thanks in advance...