There are lots of descriptions of similar events on the internet, very little in the way of solutions. There are quite a few things that could be redirecting you including your browser, internet security software, proxy on your computer, router, ISP's hardware, ISP's proxy. myspace.com's web server, the page you are accessing at myspace.com.

The only solution appearing on the internet is setting the router back to factory settings. If that works it is really wierd and implies someone has hacked the router.

When does the problem occur.

1. Does the problem occur when you visit www.myspace.com
2. Does the problem occur moment you login
3. Does the problem occur when you arrive at a specific persons space
4. Does the problem occurs if you visit my space http://www.myspace.com/simongoodfellow

I would suspect hacked myspace pages, in which case 1 and 4 would be no and 2 and 3 would be yes. If that is the case and you are using Firefox try the addon https://addons.mozilla.org/en-US/firefox/addon/11787 to stop redirects.