<form> 
   <!-- in this case, I set required at the ul level !-->
   <ul required="required" validationMessage="You must enter a gender">
      <li>
        <input id="male" name="mf" type="checkbox" value="Male" />
        <label  for="male">Male</label>
      </li>
      <li>
        <input id="female" name="mf"  type="checkbox" value="Female" />
        <label for="female">Female</label>
      </li>
    </ul>
   <!-- in this case, I set it at the input level -->
   <ul required="required" validationMessage="You must enter a gender2">
      <li>
        <input id="male2" name="mf2" type="checkbox" value="Male2" required />
        <label  for="male">Male2</label>
      </li>
      <li>
        <input id="female2" name="mf2" type="checkbox" value="Female2" required />
        <label for="female">Female2</label>
      </li>
    </ul>
   <input type="submit" value="submit">
  </form>

    <script type="text/x-kendo-template" id="reportPackageCountTemplate">
        <a data-role="listview-link" href="\#listPackageCompanyView?id=#:PackageID#">
        Pkg #= PackageID #
        <br />
        <p id="pctFullGuage#:PackageID#" class"pctFullGuage">test:#= PackageID #</p>
    </script>

  var dsPackageData = new kendo.data.DataSource({
      schema: {
          model: PackageData
      },
      transport: packageDataTransport,
      sync: function (e) {
          window.app.navigate("#packageListView");
      },
      error: function (e) {
          alert("dsPackageData error: " + e.status + "errorThrown: " + e.errorThrown);
      },
      change: function (data) {
          InitPctFullGauge();
      }
  });

  function InitPctFullGauge() {
      var total = dsPackageData.total();
      if (total > 1) {
          var gaugeConfig = {
              pointer: {
                        value: 1
              },
              scale: {
                  min: 1,
                  max: 100,
                        vertical: false
              }
          }

          for (var i = 0; i < total; i++) {
              editPackageData = dsPackageData.at(i);
              gaugeConfig.pointer.value = editPackageData.PercentFull;
              $("#pctFullGuage" + editPackageData.PackageID).kendoLinearGauge(gaugeConfig);
          }
      }
  }