Zdravim, Pro zajimavost pripadne inspiraci: http://diwww.epfl.ch/lami/robots/K-family/vacuum.html http://citeseer.nj.nec.com/12188.html (Download: Cached: PDF) J.S. __________________________________________________ Do You Yahoo!? Make international calls for as low as $.04/minute with Yahoo! Messenger http://phonecard.yahoo.com/