<script src="/javascript/jquery-ui/ui/jquery.ui.widget.js"></script>
<script src="/javascript/jquery-ui/ui/jquery.ui.mouse.js"></script>
<script src="/javascript/jquery-ui/ui/jquery.ui.draggable.js"></script>
+ <script src="common.js"></script>
<script src="client.js"></script>
</head>
<body>