var imgNudes2a = new Image(252,144);
var imgNudes2b = new Image(252,144);
var imgNudes2c = new Image(252,144);

imgNudes2a.src = "Nudes2a.jpg"
imgNudes2b.src = "Nudes2b.jpg"
imgNudes2c.src = "Nudes2c.jpg"

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