# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License along with
-# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA 02111-1307 USA
+# You should have received a copy of the GNU General Public License along
+# with Koha; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
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;