diff --git a/html/cgi-bin/ids.cgi b/html/cgi-bin/ids.cgi
index ccde15a22..c31280fbd 100644
--- a/html/cgi-bin/ids.cgi
+++ b/html/cgi-bin/ids.cgi
@@ -204,7 +204,18 @@ $selected{'RULES'}{$snortsettings{'RULES'}} = "selected='selected'";
&Header::openpage($Lang::tr{'intrusion detection system'}, 1, '');
-print "";
+### Java Script ###
+print <
+ // Tiny java script function to show/hide the rules
+ // of a given category.
+ function showhide(tblname) {
+ \$("#" + tblname).toggle();
+ }
+
+END
+;
+
print <
-
END
;
&Header::closebox();