var imgNudes3a = new Image(252,144);
var imgNudes3b = new Image(252,144);
var imgNudes3c = new Image(252,144);

imgNudes3a.src = "Nudes3a.jpg"
imgNudes3b.src = "Nudes3b.jpg"
imgNudes3c.src = "Nudes3c.jpg"

function show(imgPainting){
  //copy the value to the display image
  document.imgNudes.src = imgPainting.src;
}