# find the script that called the online help using the CGI referer()
our $refer = $query->param('url');
$refer = $query->referer() if !$refer || $refer eq 'undefined';
# find the script that called the online help using the CGI referer()
our $refer = $query->param('url');
$refer = $query->referer() if !$refer || $refer eq 'undefined';