<!--
  function map(howMuch) {
    if(howMuch < 8) {
      document.getElementById('mapCZ').style.backgroundPosition = "0px -"+(howMuch*202)+"px";
    } else {
      document.getElementById('mapCZ').style.backgroundPosition = "-324px -"+((howMuch-7)*202)+"px";
    }
  }
// -->