if (! defined $$result_ref{$_})
            {
                print "<TD>",checkbox(-name=>"view",-checked=>"", -value=>),"</TD>";
                print "<TD>--undef--</TD>";
                next;
            }

            print "<TD>",checkbox(-name=>"view",-checked=>"", -value=>"$$result_ref{$_}"),"</TD>";
            print "<TD>$$result_ref{$_}</TD>";