gistfile1.txt

  $("form").submit (evt) ->
    form = $(this)
    form.find("button .btn-danger").prop('disabled',true)
    if ($('input[name=payment_method]:checked').val() == "credit_card" && $('input[name=credit_card_token]').val().length == 0)
      evt.preventDefault()
      $("#credit_card_details").removeClass("has-error")

      name = $("#credit_card_details .credit_card_name").val().split(" ")
      $("#credit_card_details .credit_card_first_name").val name.shift()
      $("#credit_card_details .credit_card_last_name").val name.join(" ")

      tokenResponseHandler = (data) ->
        if (data.errors)
          form.find("button .btn-danger").prop('disabled',false)
          $("#credit_card_details").addClass("has-error")
        else
          $("#credit_card_token").val( data.id )
          form.get(0).submit()

      Iugu.createPaymentToken(this, tokenResponseHandler)
    return true