hello,
i want validate my text_field only when the radio_button is clicked. i try this but when i validate my form , the radio button lost focus and validate is not checked
---View---- <%= radio_button("user","type", "private",:onclick=>"Element.hide('compagny')") %>Private <%= radio_button ("user","type", "compagny",:onclick=>"Element.show('compagny')", :onchange=> visual_effect(:Highlight, "compagny"))%>Compagny
---model----
validates_presence_of :compagny_name , :if => :type_required?
def type_required? return true unless type = "compagny" end
