Mouse balls! That is even older than mouse balls. Brendan -- Brendan Halpin, Department of Sociology, University of Limerick, Ireland Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F2-025 x 3147 mailto:brendan.halpin at ul.ie http://www.ul.ie/sociology/brendan.halpin.html