text: /* PETICION AJAX FOOTER*/
  var xhr = new XMLHttpRequest();
  xhr.open('GET', 'footer.html');
  xhr.setRequestHeader('Content-Type', 'text/plain');
  xhr.send();
  xhr.onload = function(data) {
      document.querySelector("#footerGeneral").innerHTML = data.currentTarget.response;
  };
  /* PETICION AJAX FOOTER*/