function validate_login(frm) {
  var value = '';
  var errFlag = new Array();
  var _qfGroups = {};
  _qfMsg = '';

  value = frm.elements['username'].value;
  if (value != '' && value.length < 3 && !errFlag['username']) {
    errFlag['username'] = true;
    _qfMsg = _qfMsg + '\n - Username min 3 chars!';
  }

  value = frm.elements['username'].value;
  if (value == '' && !errFlag['username']) {
    errFlag['username'] = true;
    _qfMsg = _qfMsg + '\n - Username required!';
  }

  value = frm.elements['password'].value;
  if (value != '' && value.length < 3 && !errFlag['password']) {
    errFlag['password'] = true;
    _qfMsg = _qfMsg + '\n - Password min 3 chars!';
  }

  value = frm.elements['password'].value;
  if (value == '' && !errFlag['password']) {
    errFlag['password'] = true;
    _qfMsg = _qfMsg + '\n - Password required!';
  }

  if (_qfMsg != '') {
    _qfMsg = 'Invalid information entered.' + _qfMsg;
    _qfMsg = _qfMsg + '\nPlease correct these fields.';
    alert(_qfMsg);
    return false;
  }
  return true;
}