Tera NA servers

// ==UserScript==
// @id             tera-servers
// @name           tera-servers
// @version        1.0
// @namespace      hurr
// @author         durr
// @description    Keeps you notified whenever a TERA NA server goes down or up. Updates every 5 minutes.
// @include        http://tera.enmasse.com/server-status
// @run-at         window-load
// ==/UserScript==
try {
var d = document, a = d.querySelector('[aria-controls="server-status-table"]'), regx = /<tr class="server-(up|down|maint)[^<]*<[^<]*<[^<]*<[^<]*/g, i,
    servers = ["Ascension Valley","Celestial Hills - Roleplay","Highwatch","Lake of Tears","Mount Tyrannas","Tempest Reach","Valley of Titans"], msg = "", no = servers.length,
    process = function (a) {
        var b = new Array(no);
        a = a.match(regx);
        if (!a) return;
        for ( i = 0; i < no; i++ ) {
            b[ servers.indexOf( a[i].match(/[ACHLMTV][A-Za-z\- ]*$/)[0] ) ] = a[i].indexOf('u') === 18 ? true : false;
        }
        return b;
    }, latest = process(d.body.innerHTML) || [!1,!1,!1,!1,!1,!1], xmlHttpTimeout,
    list = d.querySelectorAll('tr[class^="server-"]'), stat, f = function () {
        var x = new XMLHttpRequest();
        x.open("GET", window.location.href, true);
        x.setRequestHeader("Cache-Control", "no-cache");
        x.onreadystatechange = function () {
            if (x.readyState === 4) {
                if (x.status === 200 || x.status === 304) {
                    var nw = process(x.responseText);
                    clearTimeout(xmlHttpTimeout);
                    if (!nw) return;
                    for ( i = 0; i < no; i++ ) {
                        if ( latest[i] !== nw[i] ) {
                            stat = nw[i] ? "up" : "down";
                            msg += servers[i] + " is " + stat + "\n";
                            try{ list[i].className = "server-" + stat + " " + list[i].className.split(' ')[1]; } catch(e){}
                        }
                    }
                    latest = nw;
                    if (msg) { document.body.dispatchEvent(new CustomEvent("tera-server", {bubbles:true,detail:msg})); msg = "";}
                }
            }
        };
        x.send(null);
        xmlHttpTimeout = setTimeout(function (x) {
            x.abort();
            if ( !/true/.test(latest+"") ) return;
            latest = [!1,!1,!1,!1,!1,!1];
            for ( i = 0; i < no; i++ ) {
                try{ list[i].className = "server-down " + list[i].className.split(' ')[1]; } catch(e){}
            }
        }, 3E4, x);
        setTimeout(f, 1 * 30 * 1E3);
    };
a && a.parentNode.removeChild(a);
document.addEventListener("tera-server", function(a){
    setTimeout(function(a){
        alert(a.detail)
    }, 50, a)
}, false);
f();
} catch(e) {console.log(e.stack)}
// https://archive.foolz.us/_/search/image/0VmPjU4uFVZ%2BEYoKqtJVBg%3D%3/page/1/