function Ukaz() {
  //kniha_zobrazform.style.display="none";
  kniha_form.style.display="block";}

function StoutSilverMedal() {
  kniha_zobrazform.style.display="none";
  kniha_form.style.display="block";}

function Mapa1() {
  //kniha_zobrazform.style.display="none";
  mapa1_form.style.display="block";
  mapa2_form.style.display="none";
  mapa3_form.style.display="none";
  mapa4_form.style.display="none";
  mapa5_form.style.display="none";}

function Mapa2() {
  //kniha_zobrazform.style.display="none";
  mapa1_form.style.display="none";
  mapa2_form.style.display="block";
  mapa3_form.style.display="none";
  mapa4_form.style.display="none";
  mapa5_form.style.display="none";}

function Mapa3() {
  //kniha_zobrazform.style.display="none";
  mapa1_form.style.display="none";
  mapa2_form.style.display="none";
  mapa3_form.style.display="block";
  mapa4_form.style.display="none";
  mapa5_form.style.display="none";}

function Mapa4() {
  //kniha_zobrazform.style.display="none";
  mapa1_form.style.display="none";
  mapa2_form.style.display="none";
  mapa3_form.style.display="none";
  mapa4_form.style.display="block";
  mapa5_form.style.display="none";}

function Mapa5() {
  //kniha_zobrazform.style.display="none";
  mapa1_form.style.display="none";
  mapa2_form.style.display="none";
  mapa3_form.style.display="none";
  mapa4_form.style.display="none";
  mapa5_form.style.display="block";}

function Krucky1() {
  //kniha_zobrazform.style.display="none";
  krucky1_form.style.display="block";
  krucky2_form.style.display="none";
  krucky3_form.style.display="none";
  krucky4_form.style.display="none";
  krucky5_form.style.display="none";}

function Krucky2() {
  //kniha_zobrazform.style.display="none";
  krucky1_form.style.display="none";
  krucky2_form.style.display="block";
  krucky3_form.style.display="none";
  krucky4_form.style.display="none";
  krucky5_form.style.display="none";}

function Krucky3() {
  //kniha_zobrazform.style.display="none";
  krucky1_form.style.display="none";
  krucky2_form.style.display="none";
  krucky3_form.style.display="block";
  krucky4_form.style.display="none";
  krucky5_form.style.display="none";}

function Krucky4() {
  //kniha_zobrazform.style.display="none";
  krucky1_form.style.display="none";
  krucky2_form.style.display="none";
  krucky3_form.style.display="none";
  krucky4_form.style.display="block";
  krucky5_form.style.display="none";}

function Krucky5() {
  //kniha_zobrazform.style.display="none";
  krucky1_form.style.display="none";
  krucky2_form.style.display="none";
  krucky3_form.style.display="none";
  krucky4_form.style.display="none";
  krucky5_form.style.display="block";}