private function zTagtotal()
{
if (empty($this->total)) {
$this->total = $this->dom->createElement("total");
}
//ajuste de digitos dos campos totalizados
if ($this->aTotICMSUFDest['vICMSUFDest'] != '') {
$this->aTotICMSUFDest['vICMSUFDest'] = number_format($this->aTotICMSUFDest['vICMSUFDest'], 2, '.', '');
$this->aTotICMSUFDest['vICMSUFRemet'] = number_format($this->aTotICMSUFDest['vICMSUFRemet'], 2, '.', '');
$this->aTotICMSUFDest['vFCPUFDest'] = number_format($this->aTotICMSUFDest['vFCPUFDest'], 2, '.', '');
}
}