/////////////////////////////////////////////////////////////////////////////
///	VARIABILI GLOBALI					/////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////

var myRequest = null;
var testing = { unavariabile: null}

function CreateXmlHttpReq(handler) {
  var xmlhttp = null;
  xmlhttp = new XMLHttpRequest();
  xmlhttp.onreadystatechange = handler;
  return xmlhttp;
}

function myHandler() {
    if (myRequest.readyState == 4 && myRequest.status == 200) {
        alert(myRequest.responseText);
    }
}

function CreateXmlHttpReq2(handler) {
  var xmlhttp = null;
  try {
    xmlhttp = new XMLHttpRequest();
  } catch(e) {
    try {
        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch(e) {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  xmlhttp.onreadystatechange = handler;
  return xmlhttp;
}


/////////////////////////////////////////////////////////////////////////////
///	FAVORITES							/////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////

function myHandler2() {
    if (myRequest.readyState == 4 && myRequest.status == 200) {
        /*e = document.getElementById("span_"+testing.unavariabile);
		  eBOT = document.getElementById("span_"+testing.unavariabile+"_BOT");
        e.innerHTML = myRequest.responseText;
		  eBOT.innerHTML = myRequest.responseText;*/
		  //window.alert(myRequest.responseText);
    }
}

function controlla_frequenza(id_utente, id_corso, giorno) {
    var r = Math.random();
	 myRequest = CreateXmlHttpReq(myHandler2);
    myRequest.open("GET","ajax_controlla_frequenza.php?id_utente="+id_utente+"&id_corso="+id_corso+"&giorno="+giorno+"&rand="+escape(r));
    myRequest.send(null);
}