var http_request = false;
d = document;
function makePOSTRequest(url, parameters) {
  http_request = false;
  if (window.XMLHttpRequest) { // Mozilla, Safari,...
	 http_request = new XMLHttpRequest();
	 if (http_request.overrideMimeType) {
		http_request.overrideMimeType('text/html');
	 }
  } else if (window.ActiveXObject) { // IE
	 try {
		http_request = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
		try {
		   http_request = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (e) {}
	 }
  }
  if (!http_request) {
	 alert('Error');
	 return false;
  }
 
  http_request.onreadystatechange = giveMeResult;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
  http_request.send(parameters);
}

function giveMeResult() {
  if (http_request.readyState == 4) {
	 if (http_request.status == 200) {
		result = http_request.responseText;
		result = result.split ("||");
		if (result[0] == "error") {
			alert (result[1]);
		} else {
			if (result[0] == 'success') {
				if (result[1]) {
					alert (result[1]);
				}
			}
		}
	 } else {
		alert('Errore di connessione. Rieffettuare il tentativo');
	 }
  }
}

function sendForm_ajax(name, surname, tel, email, message, conf, root) {
      act = "sendmail";
  var poststr = "name=" + name + 
  				"&surname=" + surname + 
				"&tel=" + tel + 
				"&email=" + email + 
				"&message=" + message + 
				"&confirm=" + conf + 
				"&action=" + act;
  makePOSTRequest(root + '/Scripts/ajax.php', poststr);
}