function selecturl(s) {
	var gourl = s.options[s.selectedIndex].value;
	window.top.location.href = gourl;
}

checkkupuje=function(form)
{
	if (form.email.value=="")
	{
		document.getElementById('emailcheck').innerHTML = 'E-Mail jest wymagany!<br>';
		return false;
	}
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(form.email.value))
	{
		document.getElementById('emailcheck').innerHTML = 'Podano zły adres e-mail!<br>';
		return false;
	}
	return true;
}

checkopinie=function(form)
{
	if (form.imie.value=="")
	{
		document.getElementById('error').innerHTML = 'Imię jest wymagane!<br>';
		return false;
	}
	if (form.opinia.value=="")
	{
		document.getElementById('error').innerHTML = 'Nie podałeś swojej opini!<br>';
		return false;
	}
	var filter=/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(form.email.value) && form.email.value!="")
	{
		document.getElementById('error').innerHTML = 'Podano zły adres e-mail!<br>';
		return false;
	}
	return true;
}