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<script>
(function(){

  // *******************************************************
  // Get country code from the url (example: US)
  //     reference: https://en.wikipedia.org/wiki/ISO_3166-1#Officially_assigned_code_elements (see column: Alpha-2 code)
  //
  //     if you're using an api to get country code after page load,
  //     use this for example:
  //         window.gdpr && window.gdpr.change_country_code('DE');
  // *******************************************************

  // edit inside this function if you have a different way to get the two letter country code on page load
  function get_country_code(url){

    // country code should come from url parameter from NGINX rule (example: country=US)
    var country_code = (url.match(/[&?]country=([^&]+)/i) || ['',''])[1].toUpperCase();
    if(country_code){
      setCookie('gdpr_country_code', country_code);
    }

    return country_code;
  }



  // *******************************************************
  // Initialize global gdpr variable
  // *******************************************************

  window.gdpr = window.gdpr || {
    country_code: getCookie('gdpr_country_code') || get_country_code(window.location.href),

    cookie_consent: getCookie('gdpr_cookie_consent') || null,
    email_consent: null,

    double_opt_in_countries: ['DE'],

    change_country_code: function(new_country_code){
      window.gdpr.country_code = new_country_code;
      setCookie('gdpr_country_code', new_country_code);

      window.gdpr.trigger('changed_country_code');
      return new_country_code;
    },

    events: {},

    on: function(event, callback){
      this.events[event] = this.events[event] || [];
      this.events[event].push(callback);
    },

    trigger: function(event){
      if(this.events[event]){
        this.events[event].forEach(function(callback){
      	  callback();
        });
    	}
    }
  };






  // *******************************************************
  // Helper functions
  // *******************************************************

  // get cookie
  function getCookie(cookie_name){
    var regex = new RegExp('(^|;\\s)'+cookie_name+'=([^;]+)', 'i');
    return (document.cookie.match(regex) || [])[2];
  }

  // set cookie for 30 days
  function setCookie(name, value){
    var exp = new Date(Date.parse(new Date()) + (30*24*60*60*1000));
    document.cookie = name+'='+value+'; path=/; expires='+exp+'; domain=.rosettastone.com';
  }

  // delete cookie
  function deleteCookie(name) {
    document.cookie = name+'=; domain=.rosettastone.com; path=/; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
  }


})();
</script>