Dekuji za pochopeni. -- *** Petr Kolar *** Department of Computer Science, Technical University of Liberec Voronezska 1329, 461 17 Liberec, Czech Republic Phone: +420-48-5227-371 Fax: +420-48-5100865 E-mail: Petr.Kolar na vslib.cz http://www.cesnet.cz/staff/kolar.html