/*
Author: Robert Hashemian
http://www.hashemian.com/

Modified by: Teun Roodvoets
http://redfeet.nl/

You can use this code in any manner so long as the author's
name, Web address and this disclaimer is kept intact.
********************************************************
Usage Sample:

<script language="JavaScript">
TargetDate = "12/31/2020 5:00 AM";
BackColor = "palegreen";
ForeColor = "navy";
CountActive = true;
DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
FinishMessage = "It is finally here!";
</script>
<script language="JavaScript" src="http://www.hashemian.com/js/countdown.js"></script>
*/

function calcage(secs, num1, num2, leadzero) {
  s = ((Math.floor(secs/num1))%num2).toString();
  if (s.length < 2 && (leadzero||leadzero==null))
    s = "0" + s;
  return s;
}

function CountBack(secs) {
 if (secs < 0) {
   document.getElementById("cntdwn").innerHTML = FinishMessage+'!';
 }else{
  DisplayStr = DisplayFormat.replace(/%%D%%/g, calcage(secs,86400,100000,false));
  DisplayStr = DisplayStr.replace(/%%H%%/g, calcage(secs,3600,24,false));
  DisplayStr = DisplayStr.replace(/%%M%%/g, calcage(secs,60,60,false));
  DisplayStr = DisplayStr.replace(/%%S%%/g, calcage(secs,1,60,false));
  DisplayStr = DisplayStr.replace(/%%HH%%/g, calcage(secs,3600,24,true));
  DisplayStr = DisplayStr.replace(/%%MM%%/g, calcage(secs,60,60,true));
  DisplayStr = DisplayStr.replace(/%%SS%%/g, calcage(secs,1,60,true));
  document.getElementById("cntdwn").innerHTML=DisplayStr;
//  window.status = DisplayStr;
  if (CountActive)
    setTimeout("CountBack("+(secs-1)+")",990);
 }
}

function putspan(backcolor, forecolor) {
 document.write("<div id='cntdwn' class='countdown' style='width:150 px;' ></div>");
}

if (typeof(BackColor)=="undefined")
  BackColor = "white";
if (typeof(ForeColor)=="undefined")
  ForeColor= "black";
if (typeof(TargetDate)=="undefined")
  TargetDate = "12/31/2020 5:00 AM";
if (typeof(DisplayFormat)=="undefined")
  DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
if (typeof(CountActive)=="undefined")
  CountActive = true;
if (typeof(FinishMessage)=="undefined")
  FinishMessage = "";
putspan(BackColor, ForeColor);
var dthen = new Date(TargetDate);
var dnow = new Date();
ddiff = new Date(dthen-dnow);
gsecs = Math.floor(ddiff.valueOf()/1000);
CountBack(gsecs);