[vitja]

$("select[name=kind[]]").change(function() {
02	        var kind_id = $(this).val();
03	        url = "/admin/add";
04	        $.post(
05	                url,
06	                "kind=" + kind_id,
07	                   function (result) {
08	                      alert(typeof result);
09	                }
10	         ),"json";
11	});

string