function ImagenHeader(path) {

  var imagenumber = 4;
  images = new Array;
  images[1] = path + "nenita-1.png";
  images[2] = path + "nenita-2.png";
  images[3] = path + "nenita-3.png";
  images[4] = path + "nenita-4.png";

  var image = "";

  var randomnumber = Math.random();
  var rand1 = 0;

    randomnumber = Math.random();
    rand1 = Math.round( (imagenumber-1) * randomnumber) + 1;

	img1 = ('<img src="' + images[rand1] + '" alt="ANDA" width="187" height="183" />');

  document.getElementById("nenita").innerHTML = img1;
}