SharePoint 2010 get list items using list.asmx service using Jquery

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
    <script src="/Style%20Library/DownloadDocuments/jquery.SPServices-2014.02.min.js" type="text/javascript"></script>
    <script type="text/javascript">
        function popupCenter(title, w, h, url) {
            var url = "/SitePages/Download.aspx?ID=" + url;
            var left = (screen.width / 2) - (w / 2);
            var top = (screen.height / 2) - (h / 2);
            var win = window.open(url, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);
            win = null;
            return false;
        }


        function GetSoapQuery() {
            var soapEnv =
                "<soapenv:Envelope xmlns:soapenv='http://schemas.xmlsoap.org/soap/envelope/'> \
                <soapenv:Body> \
                     <GetListItems xmlns='http://schemas.microsoft.com/sharepoint/soap/'> \
                        <listName>ListOfDownloadDocument</listName> \
                        <viewFields> \
                            <ViewFields> \
                               <FieldRef Name='ID' />\
                               <FieldRef Name='Title' />\
                               <FieldRef Name='LinkToDocument' />\
                               <FieldRef Name='IsShow' />\
                               <FieldRef Name='DisplayOrder' />\
                           </ViewFields> \
                        </viewFields> \
                        <query> \
                         <Query> \
                           <Where> \
                              <Eq> \
                                 <FieldRef Name='IsShow' /> \
                                 <Value Type='Integer'>1</Value> \
                              </Eq> \
                           </Where> \
                           <OrderBy> \
                               <FieldRef Name='DisplayOrder' Ascending='true'/> \
                           </OrderBy> \
                </Query> \
             </query> \
                    </GetListItems> \
                </soapenv:Body> \
            </soapenv:Envelope>";
            return soapEnv;
        }

        $(document).ready(function () {
            var soapEnv = GetSoapQuery();
            $.ajax({
                url: "http://ServerName/_vti_bin/lists.asmx",
                type: "POST",
                dataType: "xml",
                data: soapEnv,
                complete: processResult1,
                contentType: "text/xml; charset=\"utf-8\""
            });
        });


        function processResult1(xData, status) {
            $(xData.responseXML).SPFilterNode("z:row").each(function () {
                var id = $(this).attr("ows_ID");
                /*alert("ID:" + id);*/
                var title = $(this).attr("ows_Title");
                /*alert("Title:" +title);*/
                var linkToDocument = $(this).attr("ows_LinkToDocument");
                var hyperLink = linkToDocument.split(',')[1];
                /*alert("hyperLink:" +hyperLink);*/

                /*$("#download").append('<li><p><a href="javascript:void(0);" onclick="popupCenter(&#39;myPop1&#39;,450,200,&#39;' + hyperLink + '&#39;);">' + title + '</a></p></li>');*/
                $("#download").append('<li><p><a href="javascript:void(0);" onclick="popupCenter(&#39;myPop1&#39;,450,200,' + id + ');">' + title + '</a></p></li>');
            });
        }   
 
    </script>
   
   
    <h1>List of download document</h1>
        <ul id="download">
        </ul>
    </div>