>things called "cell walls", which would (and does!) prevent sloshing of Whoops. "cell membranes", not "cell walls". For my argument, functionally the same, but nevertheless I should correct myself if I am wrong. I guess all the botany research and time spent with plants over the years has taken its toll. -Ellie _________________________________________________________________ MSN 8 with e-mail virus protection service: 2 months FREE* http://join.msn.com/?page=features/virus