HTMLテーブルのマウスドラッグ＆ドロップによる並べ替え機能

<script src="js/jquery-1.10.1.min.js"></script>  
<link rel="stylesheet" href="Public/css/jquery-ui.min.css">  
<script src="js/jquery-ui.min.js"></script>  

<tbody class="sortable">  
   <tr></tr>  
   <tr></tr>   
</tbody>  

$(function() {  
    $(".sortable").sortable({  
        cursor: "move",  
        items: "tr", //just tr can be dragged  
        opacity: 0.6, //transparency is 0.6 when dragging  
        revert: true, //increase animation when released  
        update: function(event, ui) { //Update after sorting  
            var categoryids = $(this).sortable("toArray");  
            var $this = $(this);  
        }  
    });  
    $(".sortable").disableSelection();  
});