function otevri(id) {
  window.open('./detail.php?id='+id,'','scrollbars=yes,toolbars=No,resizable=Yes,width=700,height=530');
}
function fotka(id,cislo) {
  window.open('./foto.php?id='+id+'&cislo='+cislo,'','scrollbars=yes,toolbars=No,resizable=Yes,width=700,height=550');
}
function fls() {
  return false;
}

function fotky(id) {
  window.open('fotky.php?id='+id,'','scrollbars=Yes,toolbars=Yes,resizable=Yes,width=700,height=550');
}

function foto(index) {
  afoto=(afoto+index+pocet)%pocet;
  eval("document.getElementById('obr').src=foto"+afoto+".src");
  document.formular.obr_popis.value=(afoto+1)+' z '+pocet;
}