function RemainingDays() {
   var Today = new Date();
   var Then = new Date(2001, 9, 31);
   var TodayDate = Today.getDate();
   var ThenDate = Then.getDate();
   return ThenDate - TodayDate;
}

function DisplayRemainingDays() {
   document.write(RemainingDays() + " days left!");
}