function autoYear() {
  var time = new Date();
  var year = time.getYear();
 
  if (year < 1900) {
    year = year + 1900;
  }

  var oldest_date = 1901;

  document.write(unescape('%3Cselect name="Year" size="1"%3E'));
  document.write(unescape('%3Coption value="" selected="selected"%3E -- Select Vehicle Year --%3C/option%3E'));
  while (year > oldest_date) {
      document.write(unescape('%3Coption value="' +year+ '"%3E ' +year+ "%3C/option%3E"));
      year--;
  }
  document.write(unescape('%3C/select%3E'));
}