> http://www.microsoft.com&item=q209355@195.224.253.26/Q209355.asp Isn't there a further way to "write" the IP address as a straight sequence of numbers? If so, it'd be much easier to "hide" it in a query string as an id-type value. I'm pretty sure I remember reading something about that. ie, an IP could be represented as something like "238473763" (and it wasn't just the IP with the periods removed ;p). i