// JavaScript Document
function overma(o) {
  document.getElementById('somchuj').value = 'a4t2' + document.getElementById(o).value + 'q8';
}
function vybernadpisy() {
  x = document.getElementById("kat");
  if (x.selectedIndex > 6) {
    location.href="admin.php?xp=pridat&kat=lesokruhy&kat2=" + x.options[x.selectedIndex].value.substr(10);
  } else {
    location.href="admin.php?xp=pridat&kat=" + x.options[x.selectedIndex].value;
  }
}