text: function cargarAutores(){
      let iframe= document.getElementById("frameAct");
      iframe.setAttribute("src","fichasHTML/autor.html");
  }
  function cargarEditoriales(){
      let iframe= document.getElementById("frameAct");
      iframe.setAttribute("src","fichasHTML/editorial.html");
  }
  function cargarLibros(){
      let iframe= document.getElementById("frameAct");
      iframe.setAttribute("src","fichasHTML/libro.html");
  }
  function cargarIlustradores(){
      let iframe= document.getElementById("frameAct");
      iframe.setAttribute("src","fichasHTML/ilustrador.html");
  }