Fun scripts on the net, by the way!

I'm looking for a script that will mirror and reflect a site, similar to what this site does.

I've been told that they exist on the net, and can be found on sites such as The trouble is, I can't find one anywhere; however hard I look! If anyone knows of one or can find one, then they'd be doing me a great favour. I'm not worried about the language it's written in, as long as it works.

Thanks in advance,