I did find another, i think very helpful document: http://www.mikro.org/Events/OS/wos2/speakers/kandzior.txt If anyone is interested... Thanks for help! Torben Quast MaK Data System GmbH Falklandstraße 1 - 3 24159 Kiel Telefon: +49(0)431-3993-500 FAX: +49(0)431-3993-998 email: quast at makdata.de