function FrmIsChanged(FrmName,SubmitName) {
  var obj = document.getElementById(FrmName);

  var num = obj.elements.length;
  for (i = 0; i < num; i++) {
    var tt = obj.elements[i].type;
    if (tt == 'hidden' || tt == 'submit') {continue;}

    var vv = obj.elements[i].value;
    if (tt == 'text' && vv == '') {continue;}

    if (tt == 'radio' && !obj.elements[i].checked) {continue;}

    document.getElementById(SubmitName).disabled = false;
    break;
  }
}