function Check_form() {
	error = false;
	if(document.aform.name.value.length < 1) {
		error = true;
	}
	if(document.aform.age.value.length < 1) {
		error = true;
	}
	if(document.aform.tel.value.length < 1) {
		error = true;
	}
	if(document.aform.email.value.length < 1) {
		error = true;
	}
	if(document.aform.agree.checked != true) {
		error = true;
	}
	if(error == true) {
		alert('Zadajte prosím všetky povinné údaje.');
		return false;
	}
	return true;
}