Sorry folks. Ran out of time. With luck K15 (or should it be K16?) will be ready towards the end of next week. Phil. -- Philip Charles; 39a Paterson Street, Abbotsford, Dunedin, New Zealand +64 3 488 2818 Fax +64 3 488 2875 Mobile 027 663 4453 philipc@copyleft.co.nz - personal. info@copyleft.co.nz - business