var url = 'https://whats.stacklix.com/assets/js/WhatsAppWidget.js';
              var s = document.createElement('script');
              s.type = 'text/javascript';
              s.async = true;
              s.src = url;
              var options = {'enabled':true, 
          'chatButtonSetting': {
                  'backgroundColor': '#4dc247', 
                  'ctaText': '',
                  'borderRadius': '25', 
                  'marginLeft': '50', 
                  'marginBottom': '50', 
                  'marginRight': '50', 
                  'position': 'left',
                  },
                'brandSetting':{ 
                  'brandName': 'Phytotec',
                  'brandSubTitle': 'Répond généralement dans la journée',
                  'brandImg': 'https://phytotec-ci.com/img/portfolio-13.jpg',
                  'ctaText': 'Start Chat', 
                  'welcomeText':'Bonjour !\nComment puis-je vous aider?',
                  'backgroundColor':'#0a5f54',
                  'borderRadius':'25',
                  'autoShow':'',
                  'phoneNumber': '2250500744653',
                  'message': ""
                }
              }
              s.onload = function() {
              CreateWhatsappChatWidget(options);
              };
              var x = document.getElementsByTagName('script')[0];
              x.parentNode.insertBefore(s, x)