Resizable : problem !!!

Resizable : problem !!!


Hi,
i try the resizable function but he have a problem
i see the handles but i can not resize my div
i give you my code :
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://
www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>test</title>
    <script type="text/javascript" src="./js/jquery.js"></script>
    <script type="text/javascript" src="./js/jquery-ui-
personalized-1.5.2.js"></script>
    <style type="text/css">
        div#global {
            border: solid 1px;
            width: 600px;
            height: 600px;
        }
        .resizable {
            border: solid 1px;
            width: 200px;
            height: 200px;
        }
    </style>
    <script type="text/javascript">
        $( document ).ready( function(){
            $("#simpleDiv").resizable({
                handles: "all"
            });
        });
    </script>
</head>
<body>
    <div id="global">
        <div id="simpleDiv" class="resizable">Resize me!</div>
    </div>
</body>
</html>