function openFoto($mkey) {
msg = window.open('foto_d.php?cislo='+$mkey, '_blank', 'toolbar=no, menubar=no, location=no, directories=no, scrollbars=no, resizable=no, status=no, width=40, height=40, top=40, left=40')
}

function openPrint($mkey) {
msg = window.open('tisk.php?id='+$mkey, '_blank', 'toolbar=yes, menubar=yes, location=no, directories=no, scrollbars=yes, resizable=no, status=no, width=660, height=550, top=40, left=40')
}

function rezervace(obj,datum) {
  if(obj.className=="red") {
    obj.className="";
    delRez(datum);
  } else {
    obj.className="red";
    setRez(datum);
  }
}