// jquery  $('input:radio').click(function(){    //alert(this.checked);    //    var $radio = $(this);    // if this was previously checked    if ($radio.data('waschecked') == true){      $radio.prop('checked', false);      $radio.data('waschecked', false);    } else {      $radio.prop('checked', true);      $radio.data('waschecked', true);    }  });