function cd_initialize(cd_year, cd_month, cd_day, cd_hour, cd_minute, cd_second) {
	countdownTo=new Date(); 
	countdownTo.setYear(cd_year); 
	countdownTo.setMonth(cd_month-1); 
	countdownTo.setDate(cd_day); 
	countdownTo.setHours(cd_hour); 
	countdownTo.setMinutes(cd_minute); 
	countdownTo.setSeconds(cd_second); 
}

function countdown() { 
	var now=new Date();
	if (countdownTo.getTime() > now.getTime()) {
		var deltaSecs = Math.floor((countdownTo.getTime()-now.getTime())/1000); 
		var txt="Nog "; 
		var deltaDays=Math.floor(deltaSecs/86400); 
		deltaSecs-=86400*deltaDays; 
		if (deltaDays > 0) {
			txt+=deltaDays+" dagen, "; 
		}
		var deltaHours=Math.floor(deltaSecs/3600); 
		deltaSecs-=3600*deltaHours; 
		if (deltaHours > 0) {
			txt+=deltaHours+" uur, "; 
		}
		var deltaMins=Math.floor(deltaSecs/60); 
		deltaSecs-=60*deltaMins; 

		if (deltaMins > 0) {
			txt+=deltaMins+" minuten en "; 
		}
		txt+=deltaSecs+" seconden tot..."; 
		document.getElementById("countdown").innerHTML=txt; 
		countdownTimer=setTimeout("countdown()",1000); 
	} else {
		txt = "Zoka 2011 is begonnen!"; 
		document.getElementById("countdown").innerHTML=txt; 
	}
}