PostgreSQL DB Connection Pooling

I am looking for some information on how to implement database connection pooling for PostgreSQL. I probably don't need PostgreSQL specific information, but I do need to figure out how to implement the pooling. I don't mind writing my own class, but do need to be pointed to some good documentation on how to actually implement one. That said, can someone please refer to me to some good documentation for doing this? I want to reuse connections for my jsp/servlets.

Thanks In Advance!

Stuff to look at:
http://developer.java.sun.com/devel...ok/conpool.html
http://www.javaperformancetuning.co...cconnpool.shtml

You might also look into using your app server to manage the connection pools. Depends on what app server you're using and what your requirements are.