// JavaScript Document
function signUp(){
	var url = "newsletter.php";
	new Ajax.Request(url,{
		 parameters: $('newsletterform').serialize(),
		 onSuccess: function(transport, json){
			var data = transport.responseText.evalJSON(true);
			if(data["error"] == 0){
				$('newsletterform').reset();
				alert(data['message']);
			}else{
				alert(data['message']);
			}
		},
		method:"post"
	});
}