function countdown_clock(year, month, day, hour, minute, format)
         {
         //I chose a div as the container for the timer, but
         //it can be an input tag inside a form, or anything
         //who's displayed content can be changed through
         //client-side scripting.
         html_code = '<div id="countdown"></div>';
         
         document.write(html_code);
         
         countdown(year, month, day, hour, minute, format);                
         }
         
function countdown(year, month, day, hour, minute, format)
         {
         Today = new Date();
         Todays_Year = Today.getYear() - 2000;
         Todays_Month = Today.getMonth() + 1;                  
         
         //Convert both today's date and the target date into miliseconds.                           
         Todays_Date = (new Date(Todays_Year, Todays_Month, Today.getDate(), 
                                 Today.getHours(), Today.getMinutes(), Today.getSeconds())).getTime();                                 
         Target_Date = (new Date(year, month, day, hour, minute, 00)).getTime();                  
         
         
         //DL     
         var aujourdhui=new Date();
         var dest=new Date(year, month, day, hour, minute , 0); 

         var one_day=1000*60*60*24;
         var one_hour=1000*60*60;
         var one_min=1000*60;
         var one_sec=1000;

				 var nbrjours="";
				 dest.setMonth(dest.getMonth()-1);
         
         temps = Math.round(dest.getTime()-aujourdhui.getTime());
         nbrS=Math.round((temps)/(one_sec));
         nbrS %= 60;
         temps -= (nbrS * one_sec);
         nbrM=Math.round((temps)/(one_min));
         nbrM %= 60;
         temps -= (nbrM * one_min);
         nbrH=Math.round((temps)/(one_hour));
         nbrH %= 24;
         temps -= (nbrH * one_hour);
         nbrJ=Math.round((temps)/(one_day));
         
         
         if (nbrjours<0)
         { 
             var nextyeartoday=new Date();
             //nextyeartoday.setFullYear(today.getFullYear()+1);
             //nbrjours=Math.ceil((nextyeartoday.getTime()-aujourdhui.getTime())/(one_day)+nbrjours);
         }         
         
         
         
         //Find their difference, and convert that into seconds.                  
         Time_Left = Math.round((Target_Date - Todays_Date) / 1000);
         
         if(Time_Left < 0)
            Time_Left = 0;
         
         switch(format)
               {
               case 0:
                    //The simplest way to display the time left.
                    document.all.countdown.innerHTML = Time_Left + ' seconds';
                    break;
               case 1:
                    //More datailed.
                    
                    days = Math.floor(Time_Left / (60 * 60 * 24));
                    Time_Left %= (60 * 60 * 24);
                    hours = Math.floor(Time_Left / (60 * 60));
                    Time_Left %= (60 * 60);
                    minutes = Math.floor(Time_Left / 60);
                    Time_Left %= 60;
                    seconds = Time_Left;
                    
                    // DL
                    days = nbrJ;
										hours = nbrH;
										minutes = nbrM;
										seconds = nbrS;
                    
                    dps = 's'; hps = 's'; mps = 's'; sps = 's';
                    //ps is short for plural suffix.
                    if(days <= 1) dps ='';
                    if(hours <= 1) hps ='';
                    if(minutes <= 1) mps ='';
                    if(seconds <= 1) sps ='';
                    
                    document.all.countdown.innerHTML = '';
                    if (days > 0)
                    {
                    	document.all.countdown.innerHTML = days + ' jour' + dps + ' ';
                    }
                    if (hours > 0)
                    {
                    document.all.countdown.innerHTML += hours + ' heure' + hps + ' ';
                    }
                    if (minutes > 0)
                    {
                    document.all.countdown.innerHTML += minutes + ' minute' + mps + ' and ';
                  	}
                    document.all.countdown.innerHTML += seconds + ' seconde' + sps;
                    break;
               default: 
                    document.all.countdown.innerHTML = Time_Left + ' seconds';
               }
               
         //Recursive call, keeps the clock ticking.
         setTimeout('countdown(' + year + ',' + month + ',' + day + ',' + hour + ',' + minute + ',' + format + ');', 1000);
         }