'curr_value' => scalar($cgi->param('refnum')),
'label' => 'Advertising source: ',
'disable_empty' => 0,
'pre_options' => [ 'all' => 'all (aggregate)' ],
'empty_label' => 'all (breakdown)',
'curr_value' => scalar($cgi->param('refnum')),
'label' => 'Advertising source: ',
'disable_empty' => 0,
'pre_options' => [ 'all' => 'all (aggregate)' ],
'empty_label' => 'all (breakdown)',