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) {
  if (secs < 0) {
    document.getElementById("cntdwn").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").innerHTML = DisplayStr;
  if (CountActive)
    setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod);
}

function putspan() {
 document.write("<span id='cntdwn' class='style2'></span>");
}

if (typeof(TargetDate)=="undefined")
  TargetDate = "1/7/2012 6:00 PM";
if (typeof(DisplayFormat)=="undefined")
  DisplayFormat = "<table border=0 cellspacing=0 cellpadding=0><tr><td align=center><font face=tahoma size=75pt><b>%%H%%</b></font></td><td align=center><font face=tahoma size=75pt><b>:</b></font></td><td align=center><font face=tahoma size=75pt><b>%%M%%</b></font></td><td align=center><font face=tahoma size=75pt><b>:</b></font></td><td align=center><font face=tahoma size=75pt><b>%%S%%</b></font></td></tr><tr><td align=center>ชั่วโมง</td><td>&nbsp;</td><td align=center>นาที</td><td>&nbsp;</td><td align=center>วินาที</td></tr></table>";
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(CountStepper);
if (CountStepper == 0)
  CountActive = false;
var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
putspan();
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);