■

get_video:
watch? (v=)
 => player2 (videoid=vid<> , t=)

 => get_video? (videoid=vid<> , t=)
    ==> t=> xfr: 分散サーバの在り処
        videoid=> .flv
    ==> 303 で分散ノードに転送
       ===> WGET flv

veryfy_age:
 => 303 veryfy_age? (next_url=)
    find text "18 older" # then logind
    ==> POST Comfirm and next_url
        ===> 303 watch? (v=)
        ===> GoTo get_video;
    find text "login or sign in" # then not login
    ==> POST U:P login_ => /login
                           ==> SET_COOKIE
                           ==> 303 /index