function validaForm(form,callFrom){ 
  var action="../_actions/enviaEmailNegociacao.php" 
  
  if(!top.formcheck(form, false, action, top.frames[1])) {
    return false;
  }
  
  form.action = action;  
  if (callFrom == 2) {
    form.request({
      onSuccess: function(){ clickItem('lnkClubes', '../_view/meusClubes.php' ,'logadoHover'); },
      onFailure: function(){ alert('Ocorreu um erro');}
    });
  } else {
    form.request({
      onSuccess: function(){ top.location = "../_investimento/"; },
      onFailure: function(){ alert('Ocorreu um erro');}
    });
  }
}