Jquery countdown

http://keith-wood.name/countdownRef.html

<div id="clockTimestamp" class="hidden"><?=$_SERVER['REQUEST_TIME'];?></div>  
<div id="clock"></div>

function getServerTime() { 
    var time = $('#clockTimestamp').html()*1000;
    time = new Date(time); 
    return time;
}

function getServerTime() { 
    var time = null; 
    $.ajax(
    {
        url: '../../_ajax/getServerTime.php', 
        async: false, 
        dataType: 'text', 
        success: function(text) { 
            time = new Date(text);
        }, 
        error: function(http, message, exc) { 
            time = new Date(); 
        }
    }); 
    return time;
}

jjj