// Some simple script to try to get a year from the server, and if it fails, settle for the local machine's year.
var xmlHttp;
function srvTime(){
        try {
                //FF, Opera, Safari, Chrome
                xmlHttp = new XMLHttpRequest();
        }
        catch (err1) {
                //IE
                try {
                        xmlHttp = new ActiveXObject('Msxml2.XMLHTTP');
                }
                catch (err2) {
                        try {
                                xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
                        }
                        catch (eerr3) {
                                //AJAX not supported, use CPU time.
                                alert("AJAX not supported");
                        }
                }
        }
        xmlHttp.open('HEAD',window.location.href.toString(),false);
        xmlHttp.setRequestHeader("Content-Type", "text/html");
        xmlHttp.send('');
        return xmlHttp.getResponseHeader("Date");
}

var st = srvTime();
var date = new Date(st);
var server_year = date.getFullYear();