/////////// COMPTEUR ///////////
var countdown_now_js;
var now_diff; 
var countdown_now;

function decompte(){
   countdown_now = countdown_now + 1000;

   //alert(countdown_expiration.getTime());

   ts = Math.abs((countdown_now/1000)-(countdown_expiration.getTime()/1000));

   if (countdown_now > countdown_expiration.getTime()){
      jours = "0";
      heures = "00";
      minutes= "00";
      secondes= "00";
   }else{
      //jours  = Math.floor((ts/86400));
      jours = 0;
      heures  = Math.floor(((ts - (jours * 86400))/3600));
      minutes = Math.floor(((ts - (jours * 86400 + heures*3600))/60));
      secondes = Math.floor(ts - (jours * 86400 + heures*3600 + minutes*60));

      minutes += "";
      if (minutes.length == 1){
         minutes = "0"+minutes;
      }

      secondes += "";
      if (secondes.length == 1){
         secondes = "0"+secondes;
      }
   }
   return new Array(jours,heures,minutes,secondes);
}

function decompteur(){
   arrResultat = decompte();
   jours = arrResultat[0];
   heures = arrResultat[1];
   minutes = arrResultat[2];
   secondes = arrResultat[3];

   $("#countdown_hours").html(heures);
   $("#countdown_minutes").html(minutes);
   $("#countdown_seconds").html(secondes);

   if (jours == "0" && heures == "00" && minutes == "00" && secondes == "00"){
      $("#countdown").hide();
      $("#countdown_ended").show();
   }else{
      setTimeout("decompteur()",1000);
   }
}

function startDecompteur(){
   countdown_now_js = new Date();
   now_diff = Math.abs((countdown_now_js.getTime()/1000)-(countdown_now_php.getTime()/1000)); // différence de secondes
   countdown_now = countdown_now_php.getTime();
   
   decompteur();
}