<script type="text/javascript">
    function run(){
        var elem = document.getElementById("bar");
        var count = document.getElementById("count");
        var width = 1;
        var id = setInterval(frame,25);
    function frame(){
        if (width >= 100) {
            clearInterval(id);
        }else{
            width++;
            elem.style.width = width + '%';
            count.innerHTML = width + '%';
        }

     }
    }

</script>