The previous page is sending you to http://labs.i-revo.jp/wiki/?RubyKaigi2007%2FRuby%2FSDL%E3%81%A8%E3%81%9D%E3%81%AE%E5%91%A8%E8%BE%BA.

 If you do not want to visit that page, you can return to the previous page.