jqMobi Timer

HTML

<script src="https://raw.github.com/appMobi/jQ.Mobi/master/jq.mobi.min.js"></script>
<div class="time">
                <div class="hours">00</div>
                <div class="minutes">00</div>
                <div class="seconds">00</div>
            </div>
            <div class="timerB">
                <div class="startpause" id="timerButton"><a href="javascript:;" onclick="startTimer()">start</a></div>
                <div class="resetb" onclick="resetTimer()">clear</div>
            </div>

CSS

.time {
    position: relative;
    top: 145px;
    left: 132px;
    font-size: 7.5em;
}

.startpause {
    position: relative;
    top: 300px;
    left: -262px;
    font-size: 2.4em;
}

.startpause a {
    color: #000;
    text-decoration: none;
}

.resetb {
    position: relative;
    top: 336px;
    left: -224px;
    font-size: 1.8em;
}

.startpause, .resetb {
    cursor: pointer;
    color: #000;
}

.hours, .minutes, .seconds {
    float:left;
    color: #000;
}

.minutes:before, .minutes:after {
    content:':';
}

JavaScript

var hour = 1;
var mins = 1;
var secs = 1;
var timer = null;

function startTimer() {
    $("#timerButton").html("<a href='javascript:;' onclick='pauseTimer()'>pause</a>");
    timer = setInterval(function() {
        if (secs <= 9) {
            secs = "0" + secs;
        }
        $(".seconds").html(secs);
        secs++;
        if (secs > 59) {
            secs = 0;
            if (mins <= 9) {
                mins = "0" + mins;
            }
            $(".minutes").html(mins);
            mins++;
            if (mins > 59) {
                mins = 0;
                if (hour <= 9) {
                    hour = "0" + hour;
                }
                $(".hours").html(hour);
                hour++;
            }
        }
    }, 100);
}

function pauseTimer() {
    clearInterval(timer);
    $("#timerButton").html("<a href='javascript:;' onclick='startTimer()'>start</a>");
}

function resetTimer() {
    clearInterval(timer);
    timer = null;
    hour = 1;
    mins = 1;
    secs = 1;
    $(".seconds").html("00");
    $(".minutes").html("00");
    $(".hours").html("00");
    $("#timerButton").html("<a href='javascript:;' onclick='startTimer()'>start</a>");
}