Overflow scroll in jquery mobile

Overflow scroll in jquery mobile

how to do overflow scroll in jquery mobile.i am trying the following code.it is not work.thanks for your help..

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
<script src="http://code.jquery.com/jquery-1.7.1.min.js"></script>
<link rel="stylesheet" href="http://code.jquery.com/mobile/1.1.1/jquery.mobile-1.1.1.min.css" />
<script>

$( document ).bind( "mobileinit", function(){
$.mobile.loadingMessage = "Initializing";
$.mobile.defaultTransition = "slideup";
$.mobile.page.prototype.options.addBackBtn = true;
$.mobile.showPageLoading=true;
$.support.touchOverflow = true;
$.mobile.touchOverflowEnabled = true;
})
</script>
<script src="http://code.jquery.com/mobile/1.1.1/jquery.mobile-1.1.1.min.js"></script>
<script type="text/javascript">

$('#vareListPage').live('pageshow', function () {

for (i = 0; i < 10; i++) {
$("#list").append("<li data-icon='arrow-d'><a  >List with thumbnail images"+i+"</a></li>"); 
$("#list").listview("refresh");

});

//alert("hai");
</script>
</head>
<body>
<div data-role="page" id="vareListPage" data-theme="d">
<div data-role="header" data-theme="d">

</div>
<div data-role="content" data-theme="a">
<ul data-role="listview" data-scroll="true" data-theme="b" id="list" style="width:90%;height:300px;overflow:scroll"></ul>
</div>
</div>
<ul ></ul>
</body>
</html>