window.open(function getURL() {
    var R = function (a) {a.reverse()};
    var J = function (a, b) {var c = a[0]; a[0] = a[b % a.length]; a[b] = c};
    var G = function (a, b) {a.splice(0, b)};
    var decrypt = function (a) {
        a = a.split("");
        J(a, 7);
        R(a, 19);
        J(a, 33);
        G(a, 2);
        J(a, 51);
        G(a, 2);
        J(a, 46);
        R(a, 70);
        G(a, 1);
        return a.join("")
    };
    var l = window.ytplayer.config.args.url_encoded_fmt_stream_map;
    var b = false;
    var r = false;
    l = l.split(",")[0];
    var p = l.split("&");
    for (var j in p) {
        if (p[j].indexOf("url=") != -1) {var u = p[j].split("url=")[1]; u = unescape(u); };
        if (p[j].indexOf("s=") != -1) {var s = p[j].split("s=")[1]; };
        if (u) b = u;
        if (s) r = s;
    }
    if (r) {
        r = decrypt(r);
        b += '&signature=' + r;
    }
    return b;
}());