function zabaltyp() {
                  document.getElementById('menu_typ').style.display = 'none';
                  document.getElementById('typrozbaleno').style.display = "none";
                  document.getElementById('typzabaleno').style.display = "inline";
          }
function rozbaltyp() {
                  document.getElementById('menu_typ').style.display = "";
                  document.getElementById('typrozbaleno').style.display = "inline";
                  document.getElementById('typzabaleno').style.display = "none";
          }
function zabalvyr() {
                  document.getElementById('menu_vyr').style.display = "none";
                  document.getElementById('vyrrozbaleno').style.display = "none";
                  document.getElementById('vyrzabaleno').style.display = "inline";
          }
function rozbalvyr() {
                  document.getElementById('menu_vyr').style.display = "";
                  document.getElementById('vyrrozbaleno').style.display = "inline";
                  document.getElementById('vyrzabaleno').style.display = "none";
          }
function dodaciadr() {
                  if (document.getElementById('chkbox').checked) {
                    for (var poc = 1; poc < 5; poc++) {
                    document.getElementById('dodaciudaje'+poc).style.display = "none";
                    }
                  }
                  else {
                    for (var poc = 1; poc < 5; poc++) {
                    document.getElementById('dodaciudaje'+poc).style.display = "";
                    }
                  }
          }