function pf(){
document.form.razao.style.visibility='hidden';
document.form.cnpj.style.visibility='hidden';
document.form.cpf.style.visibility='visible';
document.form.razao.disabled = true
document.form.cnpj.disabled = true; 
document.form.cpf.disabled = false;
document.getElementById('pfi').style.display='block';
document.getElementById('pjr').style.display='none';
document.getElementById('info').style.display='none';

}

function pj(){
document.form.razao.style.visibility='visible';
document.form.cnpj.style.visibility='visible';
document.form.cpf.style.visibility='hidden';
document.form.razao.disabled = false
document.form.cnpj.disabled = false 
document.form.cpf.disabled = true;
document.getElementById('pjr').style.display='block';
document.getElementById('pfi').style.display='none';
document.getElementById('info').style.display='none';

}