[Zope] another simple one

I need to split a variable out into two parts. The variable looks like this: 108243-132 and I need to split it where the - is. I can do this easy enough in Perl but this Zope server happens to be on a Wintendo 2000 box and I haven't been able to get perl working correctly with Zope. Is there an easy way to split a variable with dtml? "The Zope Book" that I bought doesn't seem to cover any of this, or it does in such an obscure way that I can't find what I'm looking for. It's been a great book to start with, but I need something that's a little more in depth. I've seen a few more books on Amazon and I'm thinking about buying the Zope Bible to keep me busy until Dieter's book comes out. Does anybody have any suggestions? Rick