Creating a count down script in javascript

awolarczuk used Ask the Experts™
Hi all i am trying to create a count down to Christ mas that works every year in Java Script i have got current time and date working but for some reason my code isnt  working i am still new to java script :)
function tTc()  //time to christmas
				var cday = new Date("December 25, 2010");   //using as a place holder
				var nextYear = currentDate.GetFullYear();
				var cday.setFullYear(nextYear);
				var days  = (cday - CurrentDate ) / (1000*60*60*24);
				alert("There are" +  days + " " days untill Christmas");

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try this code

<script type="text/javascript">
var currentDate = new Date();	
var cday = new Date();   
var nextYear = currentDate.getFullYear();
var days  = (cday - currentDate ) / (1000*60*60*24);
alert("There are" +  days + " days untill Christmas");


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//The months are from 0 - 11, instead of 1 - 12
var Now   = new Date(2010, 11, 25);
var Xmas1 = new Date(Now.getYear(), 11, 25);
var Xmas2 = new Date(Now.getYear(), 11, 26);
var days = 0;

//Check for Xmas
if ((Now >= Xmas1) && (Now <= Xmas2)) {
   alert("Merry Xmas!");
else {
  //Check if Xmas has allready passed this year. If it has, add another year
  if (Now > Xmas2) {
    Xmas1 = new Date(Now.getYear() + 1, 11, 25);
    Xmas2 = new Date(Now.getYear() + 1, 11, 26);
  days  = Math.round((Xmas1 - Now) / (1000 * 60 * 60 * 24), 0);
  alert("There are " +  days + " days untill Christmas");


guys i have tried both of the codes and they work are of going to work every yea and what it the difference between them apart from the if statment
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basically @Ironhoofs is checking whether the cristmas is today, already passed or coming in few days.
if latter, then he is calculating the number of days


do you both mind if i half the points as i tested them both and they worked
@awolarczuk: my solution just answers your question, but @Ironhoofs solution is better than mine, because it is checking boundary conditions also. I am ok with 150 to me (as assisted) and 250 to him (as accepted)
I am perfectly happy with split points, because @gurvinder372 solution did exactly what was asked for.

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