var xmlHttp;
	
	function createXMLHttpRequest() {
		if ( window.ActiveXObject ) {
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		} else if ( window.XMLHttpRequest ) {
			xmlHttp = new XMLHttpRequest();
		}
	}

	function fn_set_newsletter() {
		createXMLHttpRequest();

		var email = document.getElementById("email").value;
		
		if ( email == '' ) {
			alert('Gelieve een geldig adres in te geven');
		} else {
			params = "email=" + email;
	
			xmlHttp.open("POST","ajax/ajax-subscribe.php", true);
			xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	
			xmlHttp.onreadystatechange = function() {
				if(xmlHttp.readyState == 4 && xmlHttp.status == 200) {
					document.getElementById("newsletter").innerHTML = xmlHttp.responseText;
				}
			}
			xmlHttp.send(params);
		}
	}