function countdown_clock(year, month, day, hour, minute, format, server_second, server_minute, server_hour, server_day, server_month, server_month_name, server_year)
         {
         //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);
         
         Today = new Date();
         Todays_Year = Today.getFullYear();
         Todays_Month = Today.getMonth();
 
         //Computes the time difference between the client computer and the server.
         Server_Date = (new Date(server_year, server_month-1, server_day,
                                 server_hour, server_minute, server_second)).getTime();
         Todays_Date = (new Date(Todays_Year, Todays_Month, Today.getDate(),
                                 Today.getHours(), Today.getMinutes(), Today.getSeconds())).getTime();

         countdown(year, month, day, hour, minute, (Todays_Date - Server_Date), format);                
         }        
function countdown(year, month, day, hour, minute, time_difference, format)
         {
         Today = new Date();
         Todays_Year = Today.getFullYear();
         Todays_Month = Today.getMonth();
                                             
         //Convert 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.
         //Taking into account the time differential between the client computer and the server.
         Time_Left = Math.round((Target_Date - Todays_Date + time_difference) / 1000);
         
         if(Time_Left < 0)
            Time_Left = 0;
         
         switch(format)
               {
               case 0:
                    //The simplest way to display the time left.
                    document.getElementById('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 = ''; hps = ''; mps = ''; sps = '';
                    //ps is short for plural suffix.
                    if(days < 10) dps ='0';
                    if(hours < 10) hps ='0';
                    if(minutes < 10) mps ='0';
                    if(seconds < 10) sps ='0';
                    
                    document.getElementById('countdown').innerHTML = dps + days + ' : ';
                    document.getElementById('countdown').innerHTML += hps + hours + ' : ';
                    document.getElementById('countdown').innerHTML += mps + minutes + ' : ';
                    document.getElementById('countdown').innerHTML += sps + seconds;


                    if(days < 1 && hours < 24) {
                   		document.getElementById('countdown').style.color = "2ca6d8";
                   	//	document.getElementById('top_line').style.backgroundColor = "2ca6d8";
                    }

                    if(days < 1 && hours < 18) {
                   		document.getElementById('countdown').style.color = "82ce3a";
                   	//	document.getElementById('top_line').style.backgroundColor = "82ce3a";
                    }

                    if(days < 1 && hours < 12) {
                   		document.getElementById('countdown').style.color = "f7d303";
                   	//	document.getElementById('top_line').style.backgroundColor = "f7d303";
                    }
 
                     if(days < 1 && hours < 6) {
                   		document.getElementById('countdown').style.color = "f5921a";
                   	//	document.getElementById('top_line').style.backgroundColor = "f5921a";
                    }                   
                    	
                    if(days < 1 && hours < 1) {
                   		document.getElementById('countdown').style.color = "e72928";
                   	//	document.getElementById('top_line').style.backgroundColor = "e72928";
                    }
                                                                                
                    break;
               default: 
                    document.getElementById('countdown').innerHTML = Time_Left + ' seconds';
               }
               
         //Recursive call, keeps the clock ticking.
         setTimeout('countdown(' + year + ',' + month + ',' + day + ',' + hour + ',' + minute + ',' + 
                     time_difference + ', ' + format + ');', 1000);
         }