[Zope] Tree Images

Hi, By default, Zope does this for the plus signs in a tree: <IMG SRC="/p_/pl" BORDER=0> I want to add an ALT tag to this, so my pages remain as lynx-friendly as possible. How can I do this? This doesn't seem to be configurable anywhere. Thanks, John -- John Goerzen Linux, Unix consulting & programming jgoerzen@complete.org | Developer, Debian GNU/Linux (Free powerful OS upgrade) www.debian.org | ----------------------------------------------------------------------------+ The 46,497,300th prime number is 910,056,127.