function dateDiff() 
    {
        
        try
        {    
            today = new Date();
            var start = new Date(2010, 3, 22); //Month is 0-11 in JavaScript
            
            var one_day = 1000*60*60*24;
            days = Math.ceil((today.getTime() - start.getTime())/(one_day));
            if (days < 0) days = 0;

            document.getElementById("countdown").innerHTML = days;
            var daystring = days.toString();
            var daylen = daystring.length;
            var i = 0;
            var paddate = "";
            for(i=0; i< 4-daylen; i++)
            {
                paddate += "0";
            }
            var dispdate = paddate + daystring;
            document.getElementById("countdown").innerHTML = dispdate;
        }
        catch(err)
        {
        }
    }