function CheckForm(form)
{
	var FIRST_LAST_NAME_EMPTY = 'Podaj imię i nazwisko';
	var EMAIL = 'Podaj adres e-mail';
	var PHONE = 'Podaj telefon kontaktowy';
	
	if (form.FIRST_LAST_NAME.value == '')	
	{
		alert (FIRST_LAST_NAME_EMPTY);
		return;
	}
	if (form.EMAIL.value == '')	
	{
		alert (EMAIL);
		return;
	}
	
	form.submit();
}