$('#nextpage').click(function() {
    $('#Details input[type=checkbox]').each( function() {
        if( $(this).attr('checked') ) {
            $("#tabs").tabs('enable', 3).tabs('select', 3);
        } else {
            $().ShowDialog('please select atleast one');
        }
    });
});

<fieldset>
  <legend>information</legend>
  <input type="checkbox">
  <label>ID#: <span><%=(null != a) ? Model.ID: 0%></span></label>
  <label>Name:<span><%=(null != a) ? Model.Name: null%></span></label>
</fieldset>

this filedset is for multiple users.. that is on the same page there are multiple fiedsetsfor multiple users.. how to handle those things..

thanks