// sledovani Google Page View pro a href element pro zadanou url adresu
var LinkGaqPageViewTracking = {

  registerForLink: function (url, pgTrackingViewParam, matchingOperator) {

    var aHrefs = $$('a[href' + matchingOperator + '"' + url + '"]');
    aHrefs.each(function (itm) {
      itm.addEvent('click', function () {
        _gaq.push(['_trackPageview', pgTrackingViewParam]);
        return true;
      });
    });
  }
}