Redirect: adds query-parameter at the end

redirect-append-qp.js

/* _optimizely_redirect=http://www.example.com */
var qp_addition = "newSearchWeb=true";
if (window.location.href.indexOf(qp_addition) < 0) {
  var _optly = {redir: document.createElement("a")};
  _optly.redir = {protocol: "https:" == document.location.protocol ? "https://" : "http://",
                  domain: window.location.hostname,
                  entire_url: window.location.href,
                  query: window.location.search
                 };
  if (_optly.redir.query.length == 0) {
    qp_addition = "?"+qp_addition;
  } else {
    qp_addition = "&"+qp_addition;
  }
  _optly.redir.href = _optly.redir.entire_url + qp_addition;
  window.location.replace(_optly.redir.href);
}