Furiganaoption - 1 through 5, depending on how you want to convert textThe option parameter determines whether Furigana converts the specified text to Hiragana, Katakana, or Roman (Romaji) text.
If option is not specified or any value other than 1 through 5, Furigana returns the specified text in Hiragana.Furigana ( "" ) returns .Furigana ( "" ; 5 ) returns toukyouto.