Even though the version of VCR/0618 which is in the slightly older OFA and RS remotes doesn't accept advanced codes, if the remote is a learner and you still have the TiVo remote, this shouldn't be a problem. In which case, the RS 15-2104 ($19) and OFA URC-8811 ($25) should be considered options.

Rob
http://www.hifi-remote.com