function copyyear (obj) {
getyear_id = document.getElementById("getyear");
getyear_child = getyear_id.firstChild;
  if (getyear_child) getyear_id.removeChild(getyear_child);
getyear_value = document.createTextNode(new Date().getFullYear().toString());
getyear_id.appendChild(getyear_value);
}