Firstly I'd like to say thankyou to all those who have helped me before, I am getting pretty good at this.
I am become a decent linux user slowly but surely I will get there. [getting a old Idiot's Guide to Linux and RedHat book has helped some, circa 1995. most of it still appiles]

Anyways, my internet problem is that is "phases out" after abit of none use, like while I am working on a text file or playing a game of Pingus[tracked that down and installed it myself, along with FireFox] Go me!

This also happens right after I switch to Linux from my WindowsXP. The only think that seems to work to get me back online it when I unplug the router for abit and plug it in again.

[EDIT] And while I typed this is phased out too.

Here is my stats on the network where I get my internet.
Linksys Router 1 W/ FireWall
Uplinked to Linksysrouter 2 W/O FireWall
To my PC.
My ISP has Dynamic IP. [Cable Modem, Charter, speed 786mb]
I think and this is pure guess is that it's not quite set up to reaquire the connection under the new IP it's given.
And this is my Config file for /etc/network/interface.
Code:
# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)

# The loopback interface
# automatically added when upgrading
auto lo eth0
iface lo inet loopback


iface eth0 inet dhcp
Thankou for you time and help.