function validate_form() {

	var err_num = 0;
	if (document.form.name.value.length == 0) {
	alert ('Prosimo vnesite ime'); 
	document.form.name.focus();
	return (false);
	return;
	}

	if (document.form.address.value.length == 0) {
	document.form.address.focus();
	alert ('Prosimo vnesite naslov'); 
	return (false);
	return;
	}

	if (document.form.city.value.length == 0) {
	document.form.city.focus();
	alert ('Prosimo vnesite kraj'); 
	return (false);
	return;
	}

	if (document.form.email.value.length == 0) {
	document.form.email.focus();
	alert ('Prosimo vnesite e-mail'); 
	return (false);
	return;
	}

	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.form.email.value)){
	}
	else
	{
	alert ('Vnesite veljaven e-mail');
	return (false);
	return;
	}

	return (true);

}