<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>jQuery UI</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.10.3/jquery-ui.min.js"></script>
<link rel="stylesheet" href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.10.3/themes/sunny/jquery-ui.css">
<style type="text/css">
#draggable {font-size: x-large; border: thin solid black;
width: 5em; text-align: center; padding:10px}
</style>
<script type="text/javascript">
$(function() {
$('#draggable').draggable();
});
</script>
</head>
<body>
<div id="draggable" class="ui-widget ui-corner-all ui-state-error">
Перетащи меня
</div>
</body>
</html>