function countdown_clock(year, month, day, hour, minute, format) {
	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.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;
	
	switch(format) {
		case 0:
			//The simplest way to display the time left.
			document.getElementById('countdown').innerHTML = Time_Left + ' Sekunden';
		
			break;
		
		case 1:
			//More detailed.
			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 = 'e'; hps = 'n'; mps = 'n'; sps = 'n';
			//ps is short for plural suffix.
			if(days == 1) dps ='';
			if(hours == 1) hps ='';
			if(minutes == 1) mps ='';
			if(seconds == 1) sps ='';
			
			document.getElementById('countdown').innerHTML = 'Noch ';
			document.getElementById('countdown').innerHTML  += days    + ' Tag'     + dps + ' ';
			document.getElementById('countdown').innerHTML += hours   + ' Stunde'  + hps + ' ';
			document.getElementById('countdown').innerHTML += minutes + ' Minute'  + mps + ' und ';
			document.getElementById('countdown').innerHTML += seconds + ' Sekunde' + sps;
			document.getElementById('countdown').innerHTML += ' bis zur Kirmes!';
						
			break;
		
		default:
			document.getElementById('countdown').innerHTML = Time_Left + ' Sekunden';
	}
               
    //Recursive call, keeps the clock ticking.
    setTimeout('countdown(' + year + ',' + month + ',' + day + ',' + hour + ',' + minute + ',' + format + ');', 1000);
}