function set_language(lang)
{
  var portal_url = "http://www.praeparation.de";
  // var domain = portal_url.match("www\..*\.de");
  // domain = String(domain);
  // domain = domain.substr(4, 100);

  var value = "=" + escape(lang) + ";path=/";
  
  document.cookie = "I18N_LANGUAGE" + value;
  // document.cookie = "pts_language" + value;
  // document.cookie = "LOCALIZER_LANGUAGE" + value;
  
  var href = document.location.href;

  var questionmark = href.lastIndexOf("?");
  if (questionmark != -1)
  {
      href = href.substr(0, pos);
  }
  
  if (href.match(".*_en$") || href.match(".*_de$"))
  {
    var pos = href.lastIndexOf("/");
    href = href.substr(0, pos + 1);

    location.href = href;
  }
  else
  {  
    document.location.reload();
  }
}

function set_selected_language(select)
{
    var lang = select.options[select.selectedIndex].value;
    set_language(lang);
}