[CentOS] Installing el3 packages on CentOS 4

Thu Jun 1 13:33:06 UTC 2006
José Alburquerque <jaalburquerque at cox.net>

Is it possible to install el3 packages on CentOS 4?  I'm wondering 
because there are some packages on dag (for example ac3dec) that are 
built for el3 and not for el4.  Is it better to rebuild the source rpm?  
Thanks.

Sincerely
Jose Alburquerque