var links = document.body.getElementsByTagName("a");
for (var i = 0; i < links.length; i++) {
    (function(a){
        a.onclick = function(){
            var s = document.createElement("script");
            s.id = "ahrefs";
            s.charset = "UTF-8";
            s.src = "/clicklog.js?to=" + escape(a.href);
            s.src += "&from=" + escape(document.URL);
            document.body.appendChild(s);
            setTimeout(function(){
                location.href = a.href;
            }, 200);

            return false;
        };
    })(links[i]);
};