wips.joinNewsletter = function(groupId, title, message, email) {
	wips.dependency("jQuery");
	if (!title) title = "Meld på nyhetsbrev";
	if (!message) message = "";	

	if (email) {
		var data = {"email": email, "group": groupId};
		$.post("/js/wips/joinNewsletter/submit.php", data, function(data) {
			if (data) alert(data);
		});
	} else {
		var html = "<div id='join-newsletter-modal' title='" + title + "'>" + (message ? "<p>" + message + "</p>" : "") + "E-post: <input type='text' id='email'>" + "</div>";
		$("body").append(html);
		$("body").find("#join-newsletter-modal").dialog({
			modal: true,
			width: 330,
			buttons: {
				"Meld på": function() {
					var data = {"email": $("#email").val(), "group": groupId};
					$.post("/js/wips/joinNewsletter/submit.php", data, function(data) {
						if (data) alert(data);
					});
	
					$(this).dialog("close");
				},
				"Avbryt" : function() {
					$(this).dialog("close");
				}
			},
			close: function(event, ui) {
				$(this).remove();
			}
		});
	}
}