function startEnergyCheck(s, d) {
  var domain = d !== undefined ? d : document.domain;
  var url = "http://" + domain + "/energiecheck/index_std.html?s=" + s;
  var oec = window.open(url, "OnlineEnergiecheck", "width=997,height=646,scrollbars=yes,location=no,menubar=no,status=no,toolbar=no");
  oec.focus();
}