Avaliar valor armazendo após seleção de um radio button

Boa noite, sou begginer total..., haha, estou com uma aplicacao em estudo/teste e na index tenho uma situação de 2 radios button disabled / enabled. Porem quando "enabled" esta selecionado, não posso permitir que salve, sem preenche(selecionar) dado em um select que compõe essa index.

	Alguém poderia me ajudar, ou, passar o link de algum exemplo/projeto???

	 

	Minha def no controller:

	  def create

	    @recharge = Organization::Recharge.new(recharge_params)

	    @recharge.balancebellow = Money.from_amount(recharge_params[:balancebellow_cents].to_f)

	    @recharge.balancerecharge = Money.from_amount(recharge_params[:balancerecharge_cents].to_f)

	    @recharge.organization = active_organization

	    respond_to do |format|

	      if @recharge.save

	        flash[:notice] = "Your order was successfully created."

	        format.html { redirect_to controller: :corporate_users, action: :index }

	        format.json { render :show, status: :created, location: @recharge }

	      else

	        flash[:notice] = "Your order are not created."

	        format.html { redirect_to controller: :corporate_users, action: :index }

	        format.json { render json: @recharge.errors, status: :unprocessable_entity }

	      end

	    end

	  end

	 

	Trecho do index:

	#AR-Modal.modal.fade{:role => "dialog"}

	  .modal-dialog

	    Modal content

	    .modal-content

	      = form_for @new_recharge, url: organization_recharges_path, :html => {:method => :post} do |f|

	        .modal-header

	          %button.close.def-cctype{"data-dismiss" => "modal", :type => "button"}

	          %h4.modal-title.header-modal.font-color Configure Auto-Recharge

	        .modal-body.body-modal

	          %div.top-tfext

	            We`ll only charge your payment method when your balance falls below the amount you set.

	          .row.col-md-12.row-auto-recharge-style

	            .col-md-6.ar-label-align.pull-left

	              AUTO RECHARGE

	            .col-md-6.radio-stl

	              .radio.radio-success

	                .col-md-6

	                  .pull-left

	                    = f.radio_button :autorecharge, 'false', checked: true

	                    = f.label :autorecharge, 'DISABLED', :value => 'false'

	                .col-md-6

	                  .pull-left

	                    = f.radio_button :autorecharge, 'true'

	                    = f.label :autorecharge, 'ENABLED', :value => 'true'

	          .row.col-md-12.row-auto-recharge-style

	            .col-md-6.model-label-align.pull-left

	              = f.label :balancebellow_cents, "IN THE BALANCE FALLS BELLOW"

	            .col-md-6.pull-left

	              .controls

	                .sel2-style

	                  = select("organization_recharge",:balancebellow_cents, [10,15,20,25,30,35,40,45,50], {include_blank: '--- Please select ---', class: "form-control"})

	          .row.col-md-12.row-auto-recharge-style

	            .col-md-6.model-label-align.pull-left

	              = f.label :balancerecharge_cents, "RECHARGE THE BALANCE TO"

	            .col-md-6.pull-left

	              .controls

	                .sel2-style

	                  = select("organization_recharge",:balancerecharge_cents, [10,20], {include_blank: '--- Please select ---', class: "form-control"})

	          #cctype-mode.row.col-md-12.row-auto-recharge-style

	            .col-md-6.model-label-align.pull-left

	              PAYMENT METHOD

	            .col-md-6.pull-left

	              .form-actions.payment-method

	                .col-md-4.pull-left

	                  .controls

	                    .payment-ty-text

	                      = @cc_default.try(:card_type)

	                .col-md-8

	                  .payment-ty-text-2.pull-left

	                    **** **** ****

	                  .controls

	                    .payment-ty-text-3.pull-left

	                      = @cc_default.try(:digits)

	                .col-md-4

	                  .mod-cctype

	                    %p

	                      %span.call-select Change

	          #sel-mode.row.col-md-12.row-auto-recharge-style

	            .col-md-6.model-label-align.pull-left

	              PAYMENT METHOD

	            .col-md-6.pull-left

	              .form-actions.payment-method

	                .col-md-6.pull-left

	                  .controls

	                    .payment-ty

	                      = select("organization_recharge",:organization_payment_method_id, @ccs.collect {|cc| [ "#{cc.card_type} #{cc.digits}", cc.id ] }, {selected: @cc_default.try(:id), class: "form-control"})

	        .modal-footer

	          .col-md-12

	            .pull-right

	              %button.btn.btn-success.btn-cons{type:"submit"}

	                Save

	            .pull-right

	              %button.btn.btn-cons.cancel-confirm.def-cctype{"data-dismiss" => "modal", :type => "button"}

	                Cancel