var duration = 0;
var timeout;
function countdown(du) {
	duration = du;
	if(duration > 0)
		timeout = setInterval('display_ct()',1000);
}

function display_ct() {
	var days=Math.floor(duration / 86400);
	var hours = Math.floor((duration - (days * 86400 ))/3600);
	var minutes = Math.floor((duration - (days * 86400 ) - (hours *3600 ))/60);
	var secs = Math.floor((duration - (days * 86400 ) - (hours *3600 ) - (minutes*60)));
	
	$("div.twentelifestyle_container div.day").html(pad(days, 2));
	$("div.twentelifestyle_container div.hour").html(pad(hours, 2));
	$("div.twentelifestyle_container div.minute").html(pad(minutes, 2));
	$("div.twentelifestyle_container div.second").html(pad(secs, 2));
	
	if(duration==0) {
		clearInterval(timeout);
		return;
	}
	duration--;
}

function pad(n, len) {
	s = n.toString();
	if (s.length < len) {
		s = ('0000000000' + s).slice(-len);
	}
	return s;
}