TargetDate = "11/20/2009 8:50 PM UTC+0100";
CountActive = true;
CountStepper = -1;
LeadingZero = true;
DisplayFormat = "Plus que %%D%% Jours, %%H%% Heures, %%M%% Minutes, %%S%% Secondes <br>avant <b>OM - PSG</b>";
FinishMessage = "Fin du compte a rebours";


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

function CountBack(secs)
{
   var message = document.getElementById("cntdwn");
  if (secs < 0)
  {
    message.innerHTML = FinishMessage;
    return;
  }
  jour =  calcage(secs,86400,100000);
  mjour = mons;
  heure = calcage(secs,3600,24);
  mheure = mons
  minut =  calcage(secs,60,60);
  mminut = mons
  secon =  calcage(secs,1,60);
  msecon = mons;
  DisplayStr = DisplayFormat.replace(/%%D%%/g,jour);
  DisplayStr = DisplayStr.replace(/%%H%%/g,heure);
  DisplayStr = DisplayStr.replace(/%%M%%/g,minut);
  DisplayStr = DisplayStr.replace(/%%S%%/g,secon);
  if(msecon <= 1)
  {
     DisplayStr = DisplayStr.replace(/Secondes/,"Seconde");
  }
  if(mminut <= 1)
  {
     DisplayStr = DisplayStr.replace(/Minutes/,"Minute");
  }
  if(mheure <= 1)
  {
     DisplayStr = DisplayStr.replace(/Heures/,"Heure");
  }
  if(mjour <= 1)
  {
     DisplayStr = DisplayStr.replace(/Jours/,"Jour");
  }
  message.innerHTML = DisplayStr;
  if (CountActive)
  setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod);
}
var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
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);