TargetDate = "06/24/2012 12:00 AM";

//CountActive = true;

CountStepper = -1;

LeadingZero = true;

DisplayFormat = "Camp begins in %%D%% days %%H%%:%%M%%:%%S%%";

FinishMessage = "Camp Begins Today!";

function calcage(secs, num1, num2) {
  s = ((Math.floor(secs/num1))%num2).toString();

  if (LeadingZero && s.length < 2) {
    s = "0" + s;
  }

  return s;
}

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'></span>");
}

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; }

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);