my hacky inotes userscript

inotes.user.js

// ==UserScript==
// @name        inotes
// @namespace   http://aether.raleigh.ibm.com/
// @description Adds Dock badge and Growl notification to iNotes in a Fluid SSB browser
// @include     *
// @author      Peter Parente <pparent@us.ibm.com>
// ==/UserScript==

(function () {
    var authCol = 'e-listview-container-mail-Col2';
    var titleCol = 'e-listview-container-mail-Col3';
    var mailCont = 'e-listview-container-mail';
    var alarmCont = 'e-dialog-alarmAlert';
    
    var count = 0;
    var alarm = false;
    function checkMailContainer() {
        var mail = window.frames[0].document.getElementById(mailCont);
        // try again later, leave count alone
        if(!mail) { return; }
        var unread = mail.getElementsByClassName('vl-font-b');
        var l = unread.length;
        // show unread count
        if(l) {
            window.fluid.dockBadge = ''+unread.length;
        } else {
            window.fluid.dockBadge = '';
        }
        // play unread sound
        if(l > count) {
            window.fluid.playSoundNamed('Hero');
            // growl notices
            for(var i=0; i < l; i++) {
                var msg = unread[i];
                var author = msg.getElementsByClassName(authCol)[0];
                var title = msg.getElementsByClassName(titleCol)[0];
                var id = msg.getAttribute('unid');
                window.fluid.showGrowlNotification({
                    title: author.textContent, 
                    description: title.textContent, 
                    priority: 1, 
                    sticky: false,
                    identifier: id
                });
            }
        }
        
        // store new count
        count = l;
    }
    
    function checkCalendarAlert() {
        var alert = window.frames[0].document.getElementById(alarmCont);        
        if(!alert || alert.className.search('s-nodisplay') > -1) { 
            // alert not visible
            alarm = false;
            return; 
        }
        if(!alarm) {
            // alarm now visible, notify
            alarm = true;
            var date = 'e-dialog-alarmAlert-on';
            var time = 'e-dialog-alarmAlert-at';
            var desc = 'e-dialog-alarmAlert-desc';
            window.fluid.playSoundNamed('Hero');
            window.fluid.showGrowlNotification({
                title: date.textContent + ' ' + time.textContent, 
                description: desc.textContent, 
                priority: 1, 
                sticky: true
            });
        }
    }
    
    function update() {
        checkMailContainer();
        checkCalendarAlert();
    }

    if (window.fluid && document.body) {
        var origOnLoad = document.body.onload;
        document.body.onload = function() {
            console.log('inotes user script loaded');
            origOnLoad();
            setInterval(update, 5000);
        }
    }    
})();