Есть ли в винде таймер обратного отсчета?

<html>
<head>
    <style type="text/css">

    #timer-name, #timer-h {
      margin-left: 0.5em; }

    #timer-name, #timer-s {
      margin-right: 0.5em; }

    #timer-h, #timer-m, #timer-s {
      width: 2em; text-align: right; }

    input[type="text"] {
      border: 1px solid #222; }

    #timers-table {
      border: none; border-spacing: 2px; }

    #timers-table td {
      font: large sans-serif; color: #000;
      padding: 1ex 1em; }

    .timer-active {
      background-color: #ded; }

    .timer-fired {
      background-color: #faa; }

    .timer-suspended {
      background-color: #bce; }

    .timer-control {
      font: small sans-serif; color: #238;
      text-decoration: underline; cursor: pointer;
      margin: 0ex 0.5em; }

    </style>

    <script type="text/javascript">

    var timers = (function () {

      var ready = false, timers = {}, nextId = 0, interval, tbody;

      function newElement (tagName) {
        return document.createElement(tagName);
      }

      function byId (id) {
        return document.getElementById(id);
      }

      function parseInputInt (id) {
        var value = byId(id).value;
        return value != ""? parseInt(value, 10): 0;
      }

      function now () {
        return (new Date()).getTime();
      }

      function init () {

        interval = setInterval(update, 100);
        tbody = byId("timers-table").tBodies[0];
        ready = true;
      }

      function update () {

        var id, timer, timeNow = now(), timeLeft, h, m, s;

        for (id in timers) { if (timers.hasOwnProperty(id)) {

          timer = timers[id];

          if (timer.state == "active") {

            timeLeft = timer.deadline - timeNow;

            if (timeLeft > 0) {

              h = Math.floor(timeLeft / 3600000);
              m = Math.floor(timeLeft % 3600000 / 60000);
              s = Math.floor(timeLeft % 60000 / 1000);

              timer.row.cells[1].innerHTML =
                (h < 10? "0" + h: h) + ":" +
                (m < 10? "0" + m: m) + ":" +
                (s < 10? "0" + s: s);
            }

            else {

              timer.state = "fired";
              timer.row.className = "timer-fired";
              timer.row.cells[1].innerHTML = "00:00:00";
            }
          }
        }}
      }

      function add (name, duration) {

        if (!ready) { init(); }

        var row, cell, control;

        row = tbody.insertRow(-1);
        row.className = "timer-active";
        row.insertCell(-1).innerHTML = name;
        row.insertCell(-1).innerHTML = "––:––:––";
        cell = row.insertCell(-1);

        control = cell.appendChild(newElement("span"));
        control.className = "timer-control";
        control.innerHTML = "пауза";
        control.onclick = (function (id) { return function () { suspend(id); }})(nextId);

        control = cell.appendChild(newElement("span"));
        control.className = "timer-control";
        control.innerHTML = "удалить";
        control.onclick = (function (id) { return function () { remove(id); }})(nextId);

        timers[nextId++] = {
          state: "active",
          deadline: now() + duration,
          row: row
        };
      }

      function launch () {

        var name = byId("timer-name").value;
        var h = parseInputInt("timer-h");
        var m = parseInputInt("timer-m");
        var s = parseInputInt("timer-s");
        var duration = h * 3600000 + m * 60000 + s * 1000;

        if (isFinite(duration) && duration > 0) {
          add(name, duration);
        }
      }

      function suspend (id) {

        var timer = timers[id];

        switch (timer.state) {

        case "active":

          timer.row.className = "timer-suspended";
          timer.remain = timer.deadline - now();
          timer.state = "suspended";
          break;

        case "suspended":

          timer.row.className = "timer-active";
          timer.deadline = now() + timer.remain;
          timer.state = "active";
          break;
        }
      }

      function remove (id) {

        tbody.deleteRow(timers[id].row.rowIndex);
        delete timers[id];
      }

      function removeAll () {

        var id;

        for (id in timers) { if (timers.hasOwnProperty(id)) {

          tbody.deleteRow(timers[id].row.rowIndex);
          delete timers[id];
        }}
      }

      function removeFired () {

        var id;

        for (id in timers) { if (timers.hasOwnProperty(id)) {

          if (timers[id].state == "fired") {

            tbody.deleteRow(timers[id].row.rowIndex);
            delete timers[id];
          }
        }}
      }

      return {
        launch: launch,
        removeAll: removeAll,
        removeFired: removeFired
      };

    })();

    </script>
    </head>

    <body>
    Имя: <input type="text" id="timer-name" value="Вася">
    Время: <input type="text" id="timer-h" value="0"> : <input type="text" id="timer-m" value="5"> : <input type="text" id="timer-s" value="0">
    <input type="button" value="Добавить" onclick="timers.launch()">
    <input type="button" value="Удалить завершенные" onclick="timers.removeFired()">
    <input type="button" value="Удалить всё" onclick="timers.removeAll()"><br><br>
    <table id="timers-table"><tbody></tbody></table>
    </body>
    </html>