[nerbert]

You're not using is_member_of() correctly

is_member_of($bbuserinfo, 9)

or for several groups;

is_member_of($bbuserinfo, array(4,5,6,7))

I'm not 100% sure you can use that function in a template conditional though

941	 // #############################################################################
942	 /**
943	 * Works out if a user is a member of the specified usergroup(s)
944	 *
945	 * This function can be overloaded to test multiple usergroups: is_member_of($user, 1, 3, 4, 6...)
946	 *
947	 * @param    array    User info array - must contain userid, usergroupid and membergroupids fields
948	 * @param    integer    Usergroup ID to test
949	 * @param    boolean    Pull result from cache
950	 *
951	 * @return    boolean
952	 */
953	 function is_member_of($userinfo, $usergroupid, $cache = true)
954	 {
955	     static $user_memberships; 
956	
957	     switch (func_num_args())
958	     {
959	         // 1 can't happen
960	
961	         case 2: // note: func_num_args doesn't count args with default values unless they're overridden
962	             $groups = is_array($usergroupid) ? $usergroupid : array($usergroupid); 
963	         break; 
964	
965	         case 3:
966	             if (is_array($usergroupid))
967	             {
968	                 $groups = $usergroupid; 
969	                 $cache = (bool)$cache; 
970	             }
971	             else if (is_bool($cache))
972	             {
973	                 // passed in 1 group and a cache state
974	                 $groups = array($usergroupid); 
975	             }
976	             else
977	             {
978	                 // passed in 2 groups
979	                 $groups = array($usergroupid, $cache); 
980	                 $cache = true; 
981	             }
982	         break; 
983	
984	         default:
985	             // passed in 4+ args, which means it has to be in the 1,2,3 method
986	             $groups = func_get_args(); 
987	             unset($groups[0]); 
988	
989	             $cache = true; 
990	     }
991	
992	     if (!is_array($user_memberships["$userinfo[userid]"]) OR !$cache)
993	     {
994	         // fetch membergroup ids for this user
995	         $user_memberships["$userinfo[userid]"] = fetch_membergroupids_array($userinfo); 
996	     }
997	
998	     foreach ($groups AS $usergroupid)
999	     {
1000	         // is current group user's primary usergroup, or one of their membergroups?
1001	         if ($userinfo['usergroupid'] == $usergroupid OR in_array($usergroupid, $user_memberships["$userinfo[userid]"]))
1002	         {
1003	             // yes - return true
1004	             return true; 
1005	         }
1006	     }
1007	
1008	     // if we get here then the user doesn't belong to any of the groups.
1009	     return false; 
1010	 }