DD, http://www.hut.fi/~then/mytexts/mouse.html http://www.ee.ualberta.ca/~elliott/ee552/studentAppNotes/1998_w/mouse_notes/ Jakub S. __________________________________________________ Do You Yahoo!? NEW from Yahoo! GeoCities - quick and easy web site hosting, just $8.95/month. http://geocities.yahoo.com/ps/info1