Signed-off-by: Galen Charlton <gmcharlt@gmail.com>
use C4::Output;
use C4::Auth;
use CGI;
+use warnings;
use vars qw($debug);
our $input = new CGI;
-my $type = $input->param('type');
-my $referer = $input->param('referer');
+my $type = $input->param('type') || '';
+my $referer = $input->param('referer') || '';
my $oldreferer = $referer;
-my $help = $input->param('help');
+my $help = $input->param('help') || '';
# strip any DOS-newlines that TinyMCE may have sneaked in
$help =~ s/\r//g;
my $error;