Форма обратной связи: не хочет работать

<div class="bottomform">
            <fo rm role="form" id="askform">
               <span class="kh2">Вас заинтересовали наши услуги, но есть вопросы?</span>
               <span class="kh3">Наши специалисты готовы ответить на них и найти подходящее решение именно для Вас!</span>
               <div class="col-xs-6" style="padding: 0 0 0 27px;">
                   <div class="form-group" style="width: 286px;">
                       <input type="text" class="form-control" name="name" placeholder="Имя" style="height: 41px">
                   </div>
                   <div class="form-group" style="width: 286px;">
                       <input type="phone" class="form-control" name="PHONE" style="height: 41px" placeholder="+7 (___) ___-__-__">
                   </div>
                </div>
                <div class="col-xs-6" style="padding-left: 37px;padding-right: 13px;">
                   <div class="form-group" style="width: 270px;">
                       <textarea name="ask" class="form-control" style="height: 97px;resize: none;" placeholder="Ваш вопрос"></textarea>
                   </div>      
                </div>      
               <div class="form-group" style="text-align: center;">
               <button class="btn btn-success" type="send" id="asksend">Отправить</button>
               </div>
               <div class="success">Ваш запрос отправлен!</div>
            </form>
         </div>

<sc ript>
         $(document).on("click", "#asksend", function() {
         var a = new FormData($("#askform")[0]);
         $.ajax({
            type: "POST",
            processData: false,
            contentType: false,
            url: "http://сайт.ru/send.php",
            data: a,
            cache: false,
            success: function(b) {
               $("#askform .success").show();
               $("#askform #asksend").remove();
            },
            error: function(b) {
               
            },
         });
         return false
      });
      </sc ript>

<?require($_SERVER["DOCUMENT_ROOT"]."/bitrix/modules/main/include/prolog_before.php");




$error = '';


   $arSend = array();
   $arSend = array('name'=>$_REQUEST["name"]);
   $arSend = array(
      'NAME'=>$_REQUEST["name"],
      'PHONE'=>$_REQUEST["PHONE"],
      'ASK'=>$_REQUEST["ask"],
   );;
   
   

   var_dump(CEvent::Send('SEND_BOTTOM_FORM', 's1', $arSend));

?>