function getCookie(NameOfCookie){
        if (document.cookie.length > 0){
            begin = document.cookie.indexOf(NameOfCookie+"=");
           if (begin != -1){
               begin += NameOfCookie.length+1;
               end = document.cookie.indexOf(";", begin);
               if (end == -1) end = document.cookie.length;
               return unescape(document.cookie.substring(begin, end));
           }
        }
        return null;
    }
    var phone = "";
    if( !getCookie('BIDKWSESSION') ){

        var referrer = "";

          /* IMPORTANT MODIFY BELOW IF NEEDED  ****************************************
          cid must have the identification given by Netbaldwin, LLC Tracking Service. */
          var cid = '100';
          /****************************************************************************/

        if( document.referrer ){
            referrer ='&dreferer='+ escape(document.referrer);
        }

        var src = 'http://www.exhibitwarehouse.com/tracking/nbservices.php?nb_cid='+cid+'&nb_land=1' + referrer ;
        var imgsrc = '<img width="1" height="1" alt=" " src="' +src+  '" \/>';
        document.write( imgsrc );
    }