(function($) {

/**
 * Disable the continue buttons in the checkout process once they are clicked
 * and provide a notification to the user.
 */
Drupal.behaviors.commerceCheckout = {
  attach: function (context, settings) {
    // When the buttons to move from page to page in the checkout process are
    // clicked we disable them so they are not accidentally clicked twice.
    $('input.checkout-continue:not(.checkout-processed)', context).addClass('checkout-processed').click(function() {
      var $this = $(this);
      $this.clone().insertAfter(this).attr('disabled', true).next().removeClass('element-invisible');
      $this.hide();
    });
  }
}

})(jQuery);
