interesting search result

I've never seen anything like this before:
http://www.google.com/search?hl=en&lr=&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&q=getelementby&btnG=Search

I did a search for getelementby and the results have a border every three results and the "see results for getelementbyid" link is below the third result.

 

I've seen this before.

I think there is a thread in DP too, about it.

I forgot other examples though.

 

They've been doing that for quite some time already (not just for that keyword, of course).

 

Thats been going on quite a while. It makes page 2 become 8-17 or something. too annoying imo