Google launches Da Vinci Code quest

Google on Saturday May 20th (Saturday) Google is going to the campaign of the movie "Da Vinci Code" which will be released worldwide. If you solve the mystery it seems that you win also the prize.

Google: Da Vinci Code
http://flash.sonypictures.com/movies/davincicodequest/

The winning prize is as follows.
Google: Da Vinci Code - US Prizing

You need a Google account to join.

As you can see there is no Japanese version, but I thought possibly and went to the official website.

Sony Pictures - Da Vinci Code
http://www.sonypictures.jp/movies/thedavincicode/

SEEK THE CODE campaign, start!
http://www.thedavincicode.jp/news/index.php#54

Sorry I made you wait. SEEK THE CODE campaign has begun!
Please look for 8 web sites and get to a splendid, secret site.
The campaign period is one week, so hurry!

It seems to be about this ...
http://www.thedavincicode.jp/seek/

A banner irritated in the site is set up and it is not so but I can not feel like solving it, someone trying hard and telling me the answer (short)