function validaBarra() {
   if (top.barra.document.getElementById("barraPJ").style.display == "none")
      trocaBtnPJ();
   else
      trocaBtnPF();
}
function trocaBtnPJ() {
   if (document.getElementById("btnPessoaPJ").style.display == "none") {
      document.getElementById("btnPessoaPF").style.display = "none";
      document.getElementById("btnPessoaPJ").style.display = "block";

      document.getElementById("btnPessoaPJ").focus();

      validaComoUsar();
   }
}
function trocaBtnPF() {
   if (document.getElementById("btnPessoaPF").style.display == "none") 
   {
      document.getElementById("btnPessoaPJ").style.display = "none";
      document.getElementById("btnPessoaPF").style.display = "block";

      document.getElementById("btnPessoaPF").focus();

      validaComoUsar();
   }
}
function validaComoUsar() {
   if (top.barra.document.getElementById("barraPJ").style.display == "none") {
      if (document.getElementById("linkPJ") != undefined) document.getElementById("linkPJ").style.display = "none";
      if (document.getElementById("linkPF") != undefined) document.getElementById("linkPF").style.display = "block";
   }
   else {
      if (document.getElementById("linkPJ") != undefined) document.getElementById("linkPJ").style.display = "block";
      if (document.getElementById("linkPF") != undefined) document.getElementById("linkPF").style.display = "none";
   }
}