gistfile1.rb

function stripeResponseHandler(status, response) {

    if (response.error) {
        $(".payment-errors").text(response.error.message);
    } 
    else {
        var form$ = $("#stripe-form");
        var token = response['id'];
        form$.append("<input type='hidden' name='stripeToken' value='" + token + "'/>");
        form$.get(0).submit();
    }
}

$(document).ready(function() {
  $("#stripe-form").submit(function(event) {
    $('.submit').attr("disabled", "disabled");

    Stripe.createToken({
        number: $('.credit-number').val(),
        cvc: $('.credit-security').val(),
        exp_month: $('.card-expiry-month').val(),
        exp_year: $('.card-expiry-year').val()
    }, stripeResponseHandler);

    // prevent the form from submitting with the default action
    return false;
  });
});