function addCharSubsetMenu() {
var specialchars = document.getElementById('specialchars');
if (specialchars) {
var menu = "<select style=\"display:inline\" onChange=\"chooseCharSubset(selectedIndex)\">";
menu += "<option>Spesiale simbole</option>";
menu += "<option>Grieks</option>";
menu += "<option>Russies</option>";
menu += "<option>IFA</option>";
menu += "<option>AHD</option>";
menu += "</select>";
specialchars.innerHTML = menu + specialchars.innerHTML;
}
}