function Voltar(){
  window.history.back();
}

function LocucaoMEsq(Ajuda,Idx){
  //window.document.MEsq.GotoFrame(Idx); 
  window.status=Ajuda;
}

function SilencioMEsq(){
  //window.document.MEsq.GotoFrame(0); 
  window.status='';
}

function LocucaoMTop(Ajuda,Idx){
  //window.document.MTop.GotoFrame(Idx); 
  window.status=Ajuda;
}

function SilencioMTop(){
  //window.document.MTop.GotoFrame(0); 
  window.status='';
}