Named-Based Virtual Hosts wt Dynamic DNS

[TMacDonald]

Can anyone help me with a scheme to update 
the IP address in the NameVirtualHost line in Apache config file.
I am trying to run two sites on one machine with yi.org providing my
IP address (Dynamic DNS).
Thanks to all.
-
Subcription/unsubscription/info requests: send e-mail with
"subscribe", "unsubscribe", or "info" on the first line of the
message body to discuss-request at blu.org (Subject line is ignored).