Hello all, You will need to manually reconnect the link I sent into a single line for it to work. > There is a thread on comp.lang.functional which may be of interest. > Here is a link that might work for you. > > http://www.deja.com/dnquery.xp?search=thread&svcclass=dnserver&recnum=%3c8lh 8ss$6le$1@bird.wu-wien.ac.at%3e%231/1