[CentOS] Firefox 5 on Centos 5.6

fred smith writes:
> I've been running Firefox 4 on Centos 5 (had to find a libstdc++.so.6 for
> it by perusing newer systems from which I could steal one, but it's been
> fine since then).

 Is that 64-bit, and did you ever get flash to work? Doesn't work here,
 although the same flash plugin works fine with the standard 3.6 browser.