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 style="padding: 0px 0px 12px 8px;" 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.getFullYear() - 2000;
         Todays_Month = Today.getMonth();                  
         
         //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 - 1, day, hour, minute, 00)).getTime();                  
         
         //Find their difference, and convert that into seconds.                  
         Time_Left = Math.round((Target_Date - Todays_Date) / 1000);
         
         if(Time_Left < 0)
            Time_Left = 0;
         
         if(Time_Left >= 10){
           switch(format)
                 {
                 case 0:
                      //The simplest way to display the time left.
                      document.getElementById('countdown').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;
                      
                      dps = 'dagen'; hps = 'uur'; mps = 'minuten'; sps = 'seconden';
                      //ps is short for plural suffix.
                      if(days == 1) dps ='dag';
                      if(hours == 1) hps ='uur';
                      if(minutes == 1) mps ='minuut';
                      if(seconds == 1) sps ='seconde';
                      
                      document.getElementById('countdown').innerHTML = days + ' ' + dps + ' ';
                      document.getElementById('countdown').innerHTML += hours + ' ' + hps + ' ';
                      document.getElementById('countdown').innerHTML += minutes + ' ' + mps + ' en ';
                      document.getElementById('countdown').innerHTML += seconds + ' ' + sps;
                      break;
                 default: 
                      document.getElementById('countdown').innerHTML = Time_Left + ' seconds';
                 }
        }
        else if(Time_Left < 10 && Time_Left > 0){
          document.getElementById('countdown').innerHTML = ""; 
          document.getElementById('last_seconds').innerHTML = Time_Left;        
        }
        else if(Time_Left == 0){
          document.getElementById('countdown').innerHTML = ""; 
          document.getElementById('last_seconds').innerHTML = "";
          document.getElementById('ready').style.display = 'block';
        }      
         //Recursive call, keeps the clock ticking.
         setTimeout('countdown(' + year + ',' + month + ',' + day + ',' + hour + ',' + minute + ',' + format + ');', 1000);
         }