Sports club registration

Javascript generated by JS Class using the form description file below (subscription.ini) then copied and pasted into this page at the desired location.
On the right (blue foreground, grey background), the data types for JS Class corresponding to the HTML input types
Do the keyboarding while trying to make mistakes (oversights, prohibited characters, too much or too few characters, etc ...)
Ctrl+U to See the source (html + javascript)

Label	Value	html	JS class
Last name		text	text
First name		text	text
Sex	Male Female	radio	radio
Birthday	(DD/MM/YYYY)	text	date
eMail Address		text	mail
Phone number		text	text
Level of studies	Primary school High scool University	radio	radio
Sports	Athletism Volley ball Football Swimming None	checkbox	checkbox
Contribution	($100 < contrib. < $500)	text	num
Role		select	list
Beginning date	(DD/MM/YYYY)	text	date
Prefered hour	(HH:MN)	text	hour
Observations		textarea	text
Validation	I have read the rules, I accept the conditions	checkbox	valid


#
# file: subscription.ini
#
[form]
name=subscription

[general]
; Country date (TLD, Top Level Domain)
ctrydate=fr
; hour: 4 = 4 digits (HH:MN) ; 6 = 6 digits (HH:MN:SS)
hour=4

[fields]
; fieldname,labelname,fieldtype,obligatory(1) or not(0),lgmin,lgmax
lname,Last name,text,1,2,25
fname,First name,text,1,2,30
sex,Sex,radio,1
bday,Birthday,date,1
email,eMail Address,mail,0,6,50
phone,Phone number,text,0,10,20
studies,Level of studies,radio,1
athl;volley;foot;swim;none,Sports,checkbox,1
cont,Contribution,num,1,1,6,1,500
idrol,Role,list,1
begdate,Beginning date,date,1
prefh,Prefered hour,hour,0
obs,Observations,text,1,1,2000
ok,Validation,valid,1

[chars]
; not for checked or selected controls (radio, checkbox, select)
; only for fields filled with characters except dates and hours)
lname=letters + " '-"
fname=letters + " '-"
email=ascii + digits + "@-_+."
phone=digits + ".- +"
cont=digits + ",."
obs=letters + digits + "&\"' ()[]{}-_\\@+-*/?!,.;/:§\n\$£µ%=²"