jwplayer播放器停止 单页内多个jwplayer对象停止问题

<ul>
     <li class="span_01 spanBgA" onclick="PlayVideo($(‘#hiddFile_18’).val(), $(‘#hiddID_18’).val(), $(‘#hiddVideoSnap_18’).val())"></li>
     <li class="span_02 spanImg" onclick="PlayVideoImg($(‘#hiddFile_18’).val(), $(‘#hiddID_18’).val(), $(‘#hiddVideoSnap_18’).val())"><img src="/Images/novideo.png" width="70" height="70"><a class="linkBg" href="javascript:;"></a></li>
     <li class="span_03" title="软件测试工程师（苏州）">软件测试工程师（...</li>
     <li class="span_04"><span class="spanQu">你觉得公司的工作氛围如何/</span><span class="spanQuTime">提问时间：2015-09-16</span></li>
     <li class="span_05"><a class="txt_green">已回答</a></li>
     <li class="span_06">2015-09-15</li>
     <li class="span_07" style="display: none;">
         <div class="spanVideoDe">
            <table class="tab_video" style="font-size: 12px;">
                <tbody>
                    <tr>
                        <td style="width: 450px;">
                           <div id="video_18" style="position: relative; display: block; width: 400px; height: 400px;"></div>
                           <input type="hidden" id="hiddFile_18" value="">
                           <input type="hidden" id="hiddID_18" value="video_18">
                           <input type="hidden" id="hiddVideoSnap_18" value="/Images/novideo.png">    
                        </td>
                     </tr>
                </tbody>
             </table>
          </div>
       </li>
</ul>

<input type="hidden" id="stopPlayID" value="0" />

        //视频展开与折叠
        $(".QuVDeList ul .span_01").click(function () {
            if ($(this).hasClass("spanBgA")) {
                $(this).removeClass("spanBgA").addClass("spanBgM");
                $(this).parent("ul").siblings().children("li.span_01").removeClass("spanBgM").addClass("spanBgA");
                $(this).siblings(".span_07").slideDown(1000);
                $(this).parent("ul").siblings().children("li.span_07").slideUp(1000);
                if ($(‘#stopPlayID‘).val() != "" && $(‘#stopPlayID‘).val() != $(this).siblings(".span_07").find("input[id^=‘hiddID_‘]").val()) {
                   playStop();
                }                
                $(‘#stopPlayID‘).val($(this).siblings(".span_07").find("input[id^=‘hiddID_‘]").val())
            } else {
                $(this).removeClass("spanBgM").addClass("spanBgA");
                $(this).siblings(".span_07").slideUp(1000);
                playStop();
            }
        });

//视频播放部分
function PlayVideo(_fileName,id,imgUrl) {
  jwplayer(id).setup({
  flashplayer: "../../Scripts/player.swf",
  file: _fileName,
  height: 400,
  width: 400,
  screencolor: "#383838",
  backcolor: "#585858",
  frontcolor: "#b9b9b9",
  autoStart: false,
  image: imgUrl,
  controlbar: "bottom"
  });
}

    function playStop() {       
        var PSID = $(‘#stopPlayID‘).val();
        $("#" + PSID + "_wrapper").empty().attr("id",PSID);
    }