(function() {
          
          var a = 'mecen';
          var d = 'https://api.apparell.com/api/tracking/' + a + '/collect'

          var getCookie = function() {
            const name = '_apparell' + '=';
            const cDecoded = decodeURIComponent(document.cookie); 
            const cArr = cDecoded.split('; ');
            let res;
            cArr.forEach(val => {
              if (val.indexOf(name) === 0) res = val.substring(name.length);
            })
            return res
          };

          var cookie = getCookie() || '5f76da09-83f9-4c5e-b312-baf3565be80f';
          var expires = 'expires=' + new Date(Date.now() + 31536000000);
          document.cookie = '_apparell' + '=' + cookie + '; ' + expires + '; path=/';

          var getDefaultParams = function() {
            var x = 'connection=' + encodeURI(navigator.userAgent);
            x = x + '&lang=' + encodeURI(navigator.language); 
            x = x + '&referer=' + encodeURI(document.referrer); 
            x = x + '&url=' + encodeURI(window.location.href);
            x = x + '&cookie=' + cookie;
            return x
          };

          var sendData = function(data) {
            var r = new window.XMLHttpRequest;
            r.open('POST', d, true);
            r.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
            r.send(getDefaultParams() + data);
          };

          var initListeners = function() {
            sendData('&live=1');
            document.onvisibilitychange = function() {
              if (document.visibilityState === 'hidden') {
                sendData('&live=0');
              } else {
                sendData('&live=1');
              }
            };
          };
          
          sendData('&live=1');

        }).call(this);