gistfile1.txt

(function() {
    if (window.location.hostname === "www.google.co.uk") {
        if (window.location.href.indexOf("/links") > -1) {
            document.body.style.opacity = "0";
            var redirectURL = window.location.href.replace("//www.","//www1.");
            console.log(redirectURL);
            var expQueryParams = "alpha=1";
            var queryParams = (redirectURL.indexOf("?") === -1) ? "?" + expQueryParams : "&" + expQueryParams;
            redirectURL += queryParams;
            window.location.replace(redirectURL);
        }
    }
})();