uscisNotifier.user.js

// ==UserScript==
// @name        uscisNotifier
// @namespace   uscis
// @include     about:addons
// @include     https://egov.uscis.gov/casestatus/mycasestatus.do?appReceiptNum=*
// @version     0.1
// @grant       none
// ==/UserScript==
var notifPlayer = document.createElement('AUDIO')
    notifPlayer.src = 'https://dl.dropbox.com/u/7079101/coin.mp3'
    notifPlayer.preload = 'auto'

      var date = new Date,
      weekDays = ["Sunday", "Monday", "Tuesday", "Wednsday", "Thursday", "Friday", "Saturday"]
      dateValues = weekDays[date.getDay()] + " - " + date.getHours()
+ ":" + date.getMinutes() + ":" + date.getSeconds()

function notifyMe (newMessage) {
  var notif = true
  if (Notification.permission !== "denied")
    Notification.requestPermission(function (permit) {
      if (permit === "granted") var notif = new Notification(newMessage)
    })
  else if (Notification.permission === "granted")
    var notif = new Notification(newMessage)
  if (notif) {
    notifPlayer.play()
    setTimeout(setInterval(function() {
      notifPlayer.play()
    }, 30000), 2* 60 * 60 * 1000)
  }
}

var $status = $('.appointment-sec h1').html()
if ($status != 'Fingerprint Fee Was Received') notifyMe ($status)
else {
  var timeOut = Math.random() * (300000 - 60000) + 60000
  console.log(dateValues + "-- going for reload in " + timeOut)
  setTimeout(function() {document.location.reload()}, timeOut)
}