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

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;
CountStepper = -1;
LeadingZero = true;
DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
FinishMessage = "It is finally here!";
</script>
<script language="JavaScript" src="http://scripts.hashemian.com/js/countdown.js"></script>
*/

/*
Log of changes
-Upload countdown.js
-Edit headerinclude
-Add new bb code
*/

CountStepper = -1;
CountStepper = Math.ceil(CountStepper);
var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
var waittime = "";

function init_countdown(param, option) {
	
	optiontemp = option.split(";");
	
	//Define variables for countdown
	TargetDate = optiontemp[0];
	FinishMessage = optiontemp[1];
	textBefore = param;	
	CountActive = true;
	LeadingZero = true;
	DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
	var rndNum = Math.floor(Math.random() * 10000); 
	
	//Check values
	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 = "";
	if (typeof(CountStepper)!="number")
		CountStepper = -1;
	if (typeof(LeadingZero)=="undefined")
		LeadingZero = true;

	//Start processing of the countdown
	if (CountStepper == 0)
		CountActive = false;
	putspan(textBefore, rndNum);
	var dthen = new Date(TargetDate);
	var dnow = new Date();
	if(CountStepper>0)
		ddiff = new Date(dnow-dthen);
	else
		ddiff = new Date(dthen-dnow);
	gsecs = Math.floor(ddiff.valueOf()/1000);
	CountBack(gsecs, FinishMessage, rndNum);
}

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

function CountBack(secs, FinishMessage, rndNum) {
  if (secs < 0) {
    document.getElementById("cntdwn" + rndNum).innerHTML = FinishMessage;
    return;
  }
  DisplayStr = DisplayFormat.replace(/%%D%%/g, calcage(secs,86400,100000));
  DisplayStr = DisplayStr.replace(/%%H%%/g, calcage(secs,3600,24));
  DisplayStr = DisplayStr.replace(/%%M%%/g, calcage(secs,60,60));
  DisplayStr = DisplayStr.replace(/%%S%%/g, calcage(secs,1,60));

  document.getElementById("cntdwn" + rndNum).innerHTML = DisplayStr;
  if (CountActive)
    setTimeout("CountBack(" + (secs+CountStepper) + ", '" + FinishMessage + "', " + rndNum + ")", SetTimeOutPeriod);
}

function putspan(textBefore, rndNum) {
 document.getElementById("cntdwn").id = "cntdwn" + rndNum;
}