const im = new Image(320,50);
  im.src='https://d062ed67-b2ee-4d4a-8bd8-0f16b579b82e.botfrauddetector.com/creative?w=320&h=50&c=cocacola';
  if( document.getElementById("creative") )
    document.getElementById("creative").appendChild(im);
  else
    document.body.appendChild(im);