window.onload = function() {
	$$(".hintable").each(function(e) {
		e.defaultValueActsAsHint();
	});
}

function validateNewsletterForm() {
	var frm = $('form-subscribe');
	var email = frm.email_address;
	
	if(email.value && email.value != email._default) {
		frm.request({
			onSuccess: function(t) {
				alert(t.responseText);
			}
		});
	} else {
		email.focus();
		alert("Please enter a valid email address.");
	}
}