[Zope] proxyPass and Proxy Error

Hello all, I have the following problem and I cannot seem to figure out how to resolve it. I have Zope set up and I am using a proxyPass in Apache to direct people to this site. Simple enough. Well the problem comes when Zope crashes, the Apache server returnes a ProxyError in a browser. My Question, Is there any way to have Apache direct users to an alternet page if Zope crashes. A static page on the apache server itsself for example? Thanks Eric