// countdown -> Aktualisieren aller Countdownzähler

function countdown (jetzt){
	if(document.getElementById('CDcount')){
		anzahl = document.getElementById('CDcount').value;
		for(ctCD = 0; ctCD < anzahl; ctCD++){
			if(document.getElementById('CDtime'+String(ctCD))){
				ereignis = document.getElementById('CDtime'+String(ctCD)).value;
				ereignis = (parseInt(ereignis)*1000);
				
				diff 		= ereignis - jetzt;
				difftage  	= Math.floor(diff/86400000);
				document.getElementById('CDtage'+String(ctCD)).innerHTML=difftage;
				
				diff 		= diff - (difftage * 86400000);
				diffstunden = Math.floor(diff/3600000);
				document.getElementById('CDstunden'+String(ctCD)).innerHTML=diffstunden;
				
				diff 		= diff - (diffstunden * 3600000);
				diffminuten = Math.floor(diff/60000);
				document.getElementById('CDminuten'+String(ctCD)).innerHTML=diffminuten;
				
				diff 		= diff - (diffminuten * 60000);
				diffsekunden= Math.floor(diff/1000);
				document.getElementById('CDsekunden'+String(ctCD)).innerHTML=diffsekunden;
			}
		}	
	}
}