qualAtual = 0;
 function shFAQ(totalFaq, qual){
  for(i=1; i<=totalFaq; i++){
   eval("document.getElementById('R"+ i +"').style.display = 'none';");
  }
  
  if(qualAtual == qual){
   eval("document.getElementById('R"+ qual +"').style.display = 'none';");
   qualAtual = 0;
  }else{
   eval("document.getElementById('R"+ qual +"').style.display = 'block';");
   qualAtual = qual;
  }
 }