jqueryクローンメソッドの適用

<script type="text/javascript">

			var psgCloneX;
			var psgCloneY;
		    //   ：       c         jsp  ，          js        
			$(document).ready(function() 
				{
		 psgCloneX = $("#psgX1").clone();
				}
			);

//     
   function xxss(){
    var size = $("tr[id^='psgX']").size();
    var addIndex = (size+1);
    //psgCloneX                            id
    //         psgCloneX
    var newPsgCloneX = $("<tr>").append(psgCloneX.html()).attr("id","psgX"+addIndex);
    newPsgCloneX.insertAfter("#psgX"+size);
   }
  </script>