function Countup(yy, mm, dd, msg1, msg2){
    var today = new Date();
    var xDay = new Date(yy, mm-1, dd);
    d = (today.getTime() - xDay.getTime()) / (24*60*60*1000);
    d = Math.floor(d);
    if (d > 0){
      document.write(msg1);
      document.write(d);
      document.write(msg2);
    }
  }
