function validatenews() {
	var emailreg = /^[-\w.]+@([A-z0-9][-A-z0-9]+\.)+[A-z]{2,4}$/;
	with (document.searchform) {
		if (newsletter.value.match(emailreg) == null) {
			alert('Please enter your email address.');
			return false;
		}
	}
	return true;
}