function menuSwitch(num)
{
    switch(num) {
    case 1:
      document.getElementById('menu1').style.display = "inline";
      document.getElementById('menu2').style.display = "none";
      document.getElementById('menu3').style.display = "none";
      break;

    case 2:
      document.getElementById("menu1").style.display = "none";
      document.getElementById("menu2").style.display = "inline";
      document.getElementById("menu3").style.display = "none";
      break;

    case 3:
      document.getElementById('menu1').style.display = "none";
      document.getElementById('menu2').style.display = "none";
      document.getElementById('menu3').style.display = "inline";
      break;
  }

}

function showFaraMenu(id) {
  document.getElementById(id).style.display = "inline";
}
function hideFaraMenu(id) {
  document.getElementById(id).style.display = "none";
}