cena();

function cena()
{
var txtUsd = document.getElementById("kk__USD").innerHTML;
var usd = parseFloat(txtUsd);

var txtGold = document.getElementById("kk__zlato").innerHTML;
var gold = parseFloat(txtGold.replace(" ", ""));
document.getElementById("aktualni-cena").innerHTML = Math.floor(usd*gold*0.03215*0.9*0.585);
}