function check_email(form) {
	if(form.region.value.length < 1) {
		window.alert('Please choose region');
		form.region.focus();
	} else if(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email.value) == false) {
		window.alert('Please enter a valid e-mail adress');
		form.email.focus();
	} else {
		form.submit();
	}
	
}