function newsletter_click()
{
	$.ajax( {
		url : "/mail/newsletter",
		data : "address=" + $("#newsletter_email").val(),
		dataType : "json",
		success : function(data) {
			if (data.result === false) {
				alert('Invalid email address! ' + data.address);
			} else {
				alert('Thank you for joining our mailing list!');
				$("#newsletter_email").val('');
			}
		}
	});
}