Redirect port 80->8080 on the same machine

[Janusz Ulanowski <janul@netten.pl>]

Hello,
What string (iptables) to add to redirect port from 80 to 8080
on the same machine (to transparent proxy)
I've used 
iptables -t  nat -A PREROUTING -p tcp --dport 80 -i eth0 -j DNAT 
--to 192.168.0.1:8080

but it's working for incoming packets, from my localhost isn't work

Could anybody help me?
-
j@nul