% require "date2" require "cgi-lib" cgi = CGI.new def year_old(birthday, today = Date.today) tomorrow = today + 1 tomorrow.year - birthday.year - (tomorrow.month < birthday.month || tomorrow.month == birthday.month && tomorrow.mday < birthday.mday ? 1 : 0) end birthday = Date.new3(cgi["year"].to_i, cgi["month"].to_i, cgi["day"].to_i) %>