text: window.onload = function () {
      window.onkeyup = async function (event) {
          let down_arrow = "ArrowDown";
          let up_arrow = "ArrowUp";
          let left_arrow = "ArrowLeft";
          let right_arrow = "ArrowRight";
          let space_key = " ";
          let enter_key = "Enter";
          let go_next = [down_arrow, right_arrow, space_key, enter_key];
          let go_previous = [up_arrow, left_arrow];
          let go_1 = ["1", "&"];
          let go_2 = ["2", "é"];
          let go_3 = ["3", "\""];
          let go_4 = ["4", "'"];
          let go_5 = ["5", "("];
  
          if (go_next.includes(event.key)) {
              let next_selected = document.getElementsByClassName('nav-link active')[0].nextElementSibling;
              if (next_selected) {
                  document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
              }
              event.preventDefault();
              event.stopPropagation();
          }
          else {
              if (go_previous.includes(event.key)) {
                  let next_selected = document.getElementsByClassName('nav-link active')[0].previousElementSibling;
                  if (next_selected) {
                      document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
                  }
                  event.preventDefault();
                  event.stopPropagation();
              }
              else {
                  if (go_1.includes(event.key)) {
                      let next_selected = document.getElementById('navbar').children[0].children[0];
                      if (next_selected) {
                          document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
                      }
                  } else {
                      if (go_2.includes(event.key)) {
                          let next_selected = document.getElementById('navbar').children[0].children[1];
                          if (next_selected) {
                              document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
                          }
                      } else {
                          if (go_3.includes(event.key)) {
                              let next_selected = document.getElementById('navbar').children[0].children[2];
                              if (next_selected) {
                                  document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
                              }
                          } else {
                              if (go_4.includes(event.key)) {
                                  let next_selected = document.getElementById('navbar').children[0].children[3];
                                  if (next_selected) {
                                      document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
                                  }
                              } else {
                                  if (go_5.includes(event.key)) {
                                      let next_selected = document.getElementById('navbar').children[0].children[4];
                                      if (next_selected) {
                                          document.getElementById(next_selected.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
                                      }
                                  }
                              };
                          };
                      };
                  };
              };
          };
      };
      let navbar_links = document.getElementById("navbar").firstElementChild.children
      for (let i = 0; i < navbar_links.length; i++) {
          const element = navbar_links[i];
          element.onclick = function (event) {
              event.preventDefault()
              document.getElementById(element.getAttribute('href').slice(1)).scrollIntoView({ behavior: 'smooth' });
          }
      }
  };