fnDt = new Array(
 "images/dt_gan.jpg",
 "images/dt_gan_a.jpg",
 "images/dt_kotsu.jpg",
 "images/dt_kotsu_a.jpg",
 "images/dt_seikatsu.jpg",
 "images/dt_seikatsu_a.jpg",
 "images/dt_health.jpg",
 "images/dt_health_a.jpg"
);

fnSoshiki = new Array(
 "images/soshiki_gan.jpg",
 "images/soshiki_gan_a.jpg",
 "images/soshiki_kotsu.jpg",
 "images/soshiki_kotsu_a.jpg",
 "images/soshiki_seikatsu.jpg",
 "images/soshiki_seikatsu_a.jpg",
 "images/soshiki_health.jpg",
 "images/soshiki_health_a.jpg",
 "images/for_english.png",
 "images/for_english_a.png"
);

fnLink = new Array(
 "images/dt_phrs.jpg",
 "images/dt_phrs_a.jpg",
 "images/dt_gan.jpg",
 "images/dt_gan_a.jpg",
 "images/dt_health.jpg",
 "images/dt_health_a.jpg",
 "images/dt_seikatsu.jpg",
 "images/dt_seikatsu_a.jpg",
 "images/dt_kotsu.jpg",
 "images/dt_kotsu_a.jpg",
 "images/dt_jpop.jpg",
 "images/dt_jpop_a.jpg",
 "images/dt_huzoku.jpg",
 "images/dt_huzoku_a.jpg",
 
 "images/dt_kourou.jpg",
 "images/dt_kourou_a.jpg",

 "images/dt_rinshou.jpg",
 "images/dt_rinshou_a.jpg",

 "images/dt_english.jpg",
 "images/dt_english_a.jpg",

 "images/dt_nihonrinsyo.jpg",
 "images/dt_nihonrinsyo_a.jpg"
);

filenames['si'] = fnSoshiki;
filenames['ls'] = fnDt;
filenames['lk'] = fnLink;