$headers = array(_('Customer'), _('Tax Id'), _('Total ex. Tax'), _('Tax'));
$aligns = array('left', 'left', 'right', 'right');
if ($orientation == 'L')
$headers = array(_('Customer'), _('Tax Id'), _('Total ex. Tax'), _('Tax'));
$aligns = array('left', 'left', 'right', 'right');
if ($orientation == 'L')