I guess this answers it all... http://science.slashdot.org/science/07/03/04/1925246.shtml -- Rachel Polanskis Kingswood, Greater Western Sydney, Australia grove at zeta.org.au http://www.zeta.org.au/~grove/grove.html "They who would give up an essential liberty for temporary security, deserve neither liberty or security" - Benjamin Franklin, 1759