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 setTargetDate(TargetDate)
{
	
				if (typeof(TargetDate)=="undefined")
				  TargetDate = "12/31/2020 5:00 AM";	
				if (typeof(DisplayFormat)=="undefined")
				  DisplayFormat = "%%D%%&nbsp;%%H%%&nbsp;%%M%%&nbsp;%%S%%";
				if (typeof(CountActive)=="undefined")
				  CountActive = true;
				if (typeof(FinishMessage)=="undefined")
				  FinishMessage = "";
				if (typeof(CountStepper)!="number")
				  CountStepper = -1;
				if (typeof(LeadingZero)=="undefined")
				  LeadingZero = true;
				
				
				CountStepper = Math.ceil(-1);
				if (CountStepper == 0)
				  CountActive = false;
				var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
				//putspan(BackColor, ForeColor);
				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,SetTimeOutPeriod);
}


function CountBack(secs, SetTimeOutPeriod) {
	
  if (secs < 0) {
    document.getElementById('my_div').style.display = "inline";
    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").innerHTML = DisplayStr;
  if (CountActive)
    setTimeout("CountBack(" + (secs+CountStepper)  + "," + (SetTimeOutPeriod) + ")", SetTimeOutPeriod);
}