Hello,   I have a div with a large background image that I'm using draggable and ThrowPos on for users to drag around a map.   I now need to have a small scaled down version of the map so people can see where they are currently in the context of the entire map.   It's common to see but I can't put a name to it making it difficult to get a start.   The map to date is here: https://map.polycode.co.nz/map    What I think I need is: A scaled