(19)

(11)

EP 1 352 336 A1

(12)

(43) Date of publication: 15.10.2003 Bulletin 2003/42 (21) Application number: 01981308.8 (22) Date of filing: 23.10.2001

(51) International Patent Classification (IPC)7: G06F 17/14 (86) International application number: PCT/US0127/778 (87) International publication number: WO 0203/5380 (02.05.2002 Gazette 2002/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 23.10.2000 US 694452 23.10.2000 US 694448 23.10.2000 US 694455 (71) Applicant: International Business Machines Corporation Armonk, NY 10504 (US)	(72) Inventors: BRADY, Michael, T. Longmont, CO 80501 (US) MITCHELL, Joan, L. Longmont, BO 80503 (US) TRELEWICZ, Jennifer, Q. Superior, CO 80027 (US) (74) Representative: Klein, Hans-Jörg  IBM Deutschland GmbHIntellectual Property Department 70548 Stuttgart 70548 Stuttgart (DE)