Progress bar valueDiv 0% fix

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.0/themes/smoothness/jquery-ui.css">
<h1>What it looks like now:</h1>
<div class="progressbar"></div>

<h1>What it should look like:</h1>
<div id="fixed" class="progressbar"></div>

CSS

h1 {
    margin: 10px 0;
}

JavaScript

jQuery(function($) {
    $(".progressbar").progressbar({ value: 50 });
    $("#fixed div").hide();
});