It doesn't. Are you sure that your IP has actually changed? I've had the same one for about as long as I can recall.
Des
The original 32 bit junkie. BT Yeehaw! 8 Mbit ADSL Max, Asus 6000EV, Wired, Wireless, VoIP, 3 Macs, 2 PCs, OS X 10.4.7, Win XP, MCE, Marklar..... Safari (has web browsing ever looked better on a PC?)
Rehab is for quitters