function validate_castingForm(frm) {
  var value = '';
  var errFlag = new Array();
  _qfMsg = '';

  value = frm.elements['values[1]'].value;
  if (value == '' && !errFlag['values[1]']) {
    errFlag['values[1]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko Vaše Name je povinné.';
  }
  
   value = frm.elements['values[6]'].value;
  if (value == '' && !errFlag['values[6]']) {
    errFlag['values[6]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko Age je povinné.';
  } 

  value = frm.elements['values[8]'].value;
  if (value == '' && !errFlag['values[8]']) {
    errFlag['values[8]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko Weight je povinné.';
  }
  
   value = frm.elements['values[3]'].value;
  if (value == '' && !errFlag['values[3]']) {
    errFlag['values[3]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko Nationality je povinné.';
  } 

   value = frm.elements['values[20]'].value;
  if (value == '' && !errFlag['values[20]']) {
    errFlag['values[20]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko about yourself je povinné.';
  } 
  
   value = frm.elements['values[7]'].value;
  if (value == '' && !errFlag['values[7]']) {
    errFlag['values[7]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko Height je povinné.';
  }
 

   value = frm.elements['values[5]'].value;
  if (value == '' && !errFlag['values[5]']) {
    errFlag['values[5]'] = true;
    _qfMsg = _qfMsg + '\n - Políčko Email je povinné.';
  } 

  var regex = /^((\[^\\f\n\r\t\v\b]+\))|([\w\!\#$\%\&'\*\+\-\~\/\^\`\|\{\}]+(\.[\w\!\#$\%\&'\*\+\-\~\/\^\`\|\{\}]+)*))@((\[(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))\])|(((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9]))\.((25[0-5])|(2[0-4][0-9])|([0-1]?[0-9]?[0-9])))|((([A-Za-z0-9\-])+\.)+[A-Za-z\-]+))$/;
  if (value != '' && !regex.test(value) && !errFlag['values[5]']) {
    errFlag['values[5]'] = true;
    _qfMsg = _qfMsg + '\n - Email musí mít správný formát.';
  }
  
  if (_qfMsg != '') {
    _qfMsg = 'Zadané údaje nejsou v pořádku.' + _qfMsg;
    _qfMsg = _qfMsg + '\nProsím opravte tyto údaje';
    alert(_qfMsg);
    return false;
  }
  return true;
}