On Thu, Apr 21, 2011 at 13:00 -0500, you wrote: > Probably worth looking at. Ok, I'll look into that. It's the only solution I can come up with. Robin -- Robin Sommer * Phone +1 (510) 722-6541 * robin at icir.org ICSI/LBNL * Fax +1 (510) 666-2956 * www.icir.org