//Çܹö°Å¹Ù open & close
  
  function toggleHamburger() {
    var hamburgerMenu = document.getElementById("hamburgerMenu");
    hamburgerMenu.style.display = (hamburgerMenu.style.display === "none" || hamburgerMenu.style.display === "") ? "block" : "none";
  }


  function closeHamburger() {
    var hamburgerMenu = document.getElementById("hamburgerMenu");
    hamburgerMenu.style.display = "none";
  }