Our wheel has more navigation points though, about 36. It measures 460x460px and currently is about 225 KB in size.
My question: Is this practicable? I imagine 37 images is a lot to do this, but maybe todays browsers have no issue handling this "load"? Bandwidth is not that much of an issue because the site is an intranet, without access from outside the company. Therefore it is only accessed through the local network.
Image measures: 460 x 460 px
Size: 225 Kb (per image)
Possible states using image swap: 37
Would there be any better solution, like slicing it for example (which is a bit hard though given it is a wheel)?