simple css progressbar

HTML

<div id="progress" style="position: relative; width: 100px; height: 20px; border: 1px solid #cccccc;">
   <p id="curprogress" style="position: absolute; left: 0; top: 0; background-color: #000000; height: 100%; width: 30%; font-size: 0px;">&nbsp;</p>
</div>

JavaScript

$(document).ready(function(){
    $("#curprogress").css("width","35%");
});