function changeClass(id){
  document.getElementById('opcion' + id).className = 'botonLink2';
}

function subMenuOver(id){
  id.style.color = '#EA6116';
}

function subMenuOut(id){
  id.style.color = '';
}

function subMenuFlechitaOver(id){
  document.getElementById(id).style.display = '';
}

function subMenuFlechitaOut(id){
  document.getElementById(id).style.display = 'none';
}

function abrirMenu(id){
  document.getElementById('menu' + id).style.display = '';
}

function abrirSubMenu(id){
  document.getElementById('subMenu' + id).style.display = '';
}

function cerrarSubMenues(){
  for (i=1; i<=6; i++){
    document.getElementById('subMenu' + i).style.display = 'none';
  }
}

function cerrarMenues(id){
  for (i=1; i<=12; i++){
    document.getElementById('menu' + i).style.display = 'none';
    document.getElementById('opcion' + i).className = 'botonLink';
  }
  cerrarSubMenues();
}