function newsletterAction(action)
{
	var email = document.getElementById('newsletter_email').value;
	advAJAX.get({
		url: "newsletter.php",
		parameters:
		{
			"action": action,
			"email": email
		},
		onSuccess:function(obj) { document.getElementById("message").innerHTML=obj.responseText; },
		onError:function(obj) { alert(obj.responseText); }
   });
}