(19)

(11)

EP 1 652 107 A1

(12)

(43) Date of publication: 03.05.2006 Bulletin 2006/18 (21) Application number: 04740317.5 (22) Date of filing: 13.05.2004

(51) International Patent Classification (IPC):  G06F 17/30(1995.01) (86) International application number: PCT/EP2004/006906 (87) International publication number: WO 2005/015434 (17.02.2005 Gazette 2005/07)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 23.07.2003 EP 03368072 (71) Applicants: International Business Machines Corporation Armonk, N.Y. 10504 (US) Compagnie IBM France 92400 Courbevoie (FR) MC	(72) Inventor: EL-SHISHINY, Hisham Dokki, Giza (EG) (74) Representative: Etorre, Yves Nicolas  IBM France Intellectual Property Department Le Plan du Bois 06610 La Gaude 06610 La Gaude (FR)