var imgNudes1a = new Image(252,144);
var imgNudes1b = new Image(252,144);
var imgNudes1c = new Image(252,144);

imgNudes1a.src = "Nudes1a.jpg"
imgNudes1b.src = "Nudes1b.jpg"
imgNudes1c.src = "Nudes1c.jpg"

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