(function ($) {

"use strict";

/**
 * Make it so when you enter text into the "New set" textfield, the
 * corresponding radio button gets selected.
 */
Drupal.behaviors.newSet = {
  attach: function (context, settings) {
    var selectDefault = function() {
      $(this).closest('form').find('.form-item-set .form-type-radio:last input').prop('checked', true);
    };
    $('div.form-item-new input').focus(selectDefault).keyup(selectDefault);
  }
};

})(jQuery);