<form 안에 있는 checkbox를 radio 처럼 쓰기

<form id="fwishlist" ...
loop....
<input type=hidden name=it_id[$i] >
...end loop

        $("#fwishlist input:checkbox[name^=it_id]").click( function(){
                $("#fwishlist input:checkbox:checked[name^=it_id]").attr('checked',false);
                $(this).attr('checked',true);
        });