<span class="label label-primary">Age</span>
                         <div class="btn-group" id=ageID>
                         <button type="button" style="width:120px" class="btnMyAge btn-default" id="3">Under 10</button>
                         <button type="button" style="width:120px" class="btnMyAge btn-default" id="1">Under 50</button>
                         <button type="button" style="width:120px" class="btnMyAge btn-default" id="2">Over 50</button>

                     </div>

                     <script>
                         $(".btn-group > .btnMyAge").click(function () {
                             $(this).addClass("active").siblings().removeClass("active");
                         })
                     </script>