var req;
function navigate(month,year) {
        var url = "http://projectruth.ro/include/calendar.php?month="+month+"&year="+year+'&lang=';
        if(window.XMLHttpRequest) {
                req = new XMLHttpRequest;
        } else if(window.ActiveXObject) {
                req = new ActiveXObject("Microsoft.XMLHTTP");
        }
        req.open("GET", url, true);
        req.onreadystatechange = callback;
        req.send();
}

function callback() {        
        obj = document.getElementById("calendar");
		if(req.readyState == 4) {
                        response = req.responseText;
                        obj.innerHTML = response;
        }
}