FF Greasemonkey - OWA Highlight Tab

// ==UserScript==
// @name           OWA Tab Highlight On New Mail
// @namespace
// @description    Highlights OWA tab after receiving new unread email (like gmail)
// @include        https://your-owa-server.com/owa/?mod*
// ==/UserScript==

// Times in seconds
var refreshTime = 5;
var firstLoadWaitTime = 3;

function check_unread () {
        // normal message has class="c3"
        // unread message has class="c3 ur"
    unread = document.getElementsByClassName("c3 ur").length;
    if (unread > 0) {
        // Title change causes FF to highlight the tab
        parent.document.title = "("+unread+") Inbox";
    }

    // Pause per refreshTime then check again
    var tm = setTimeout(check_unread, refreshTime*1000);
}

var tm = setTimeout(check_unread, firstLoadWaitTime*1000);