// base library is Prototype.js
// alert(Prototype.Version);

function callback(resp) {
  var res = resp.responseText.evalJSON();
  if (res[0]) {
    submit(res[1]);
  } else {
    $('ErrMsgArea').update(res[1]);
    location.href = '#ErrMsgArea';
  }
};

function validate() {
    var param = $('InqInfo').serialize();
    var aj = new Ajax.Request(
        'validate_form',
        { method: 'post',
          parameters: param,
          onComplete: callback
        });
};

function submit(hmac_val) {
  var f = $('InqInfo');
  var inp = $('hmac');
  inp.value = hmac_val;
  f.submit();
};