function nehtomat_showtime(tillTime) {
today = new Date();
Prodej = new Date();
Prodej.setTime(tillTime);

if(Prodej.getTime()<today.getTime()){Prodej.setTime( today.getTime() ); }

msPerDay = 24 * 60 * 60 * 1000 ;
timeLeft = (Prodej.getTime() - today.getTime());
e_daysLeft = timeLeft / msPerDay;
//daysLeft = Math.floor(e_daysLeft);
//e_daysLeft = timeLeft / msPerDay;
//daysLeft = Math.floor(e_daysLeft);

e_hrsLeft = (e_daysLeft)*24;
hrsLeft = Math.floor(e_hrsLeft);
minsLeft = Math.floor((e_hrsLeft - hrsLeft)*60);
hrsLeft = hrsLeft;

e_minsLeft = (e_hrsLeft - hrsLeft)*60;
secLeft = Math.floor(e_hrsLeft);
secLeft = Math.floor((e_minsLeft - minsLeft)*60);
secLeft = secLeft;
Temp3=hrsLeft+' hodin '+minsLeft+' minut '+secLeft+' sekund';
document.getElementById('nehtomat_time').innerHTML=Temp3;
timerID = setTimeout("nehtomat_showtime('" + tillTime + "')",1000);
timerRunning = true;
}