// Create and initialise the Chatbot...
    (function(){

        // configure the cdn location, client directory and core code version...
        var cdn = 'https://cdn.agiledatum.com/chatbot/';
        var client = 'dudley';
        var coreversion = 'v1.2';
        
        function loadfile(url) {
            if(url.split('.').pop() == 'js') {
                var fileref=document.createElement('script')
                fileref.setAttribute('type','text/javascript')
                fileref.setAttribute('src', url)
            } else {
                var fileref=document.createElement('link')
                fileref.setAttribute('rel', 'stylesheet')
                fileref.setAttribute('type', 'text/css')
                fileref.setAttribute('href', url)
            }
            document.getElementsByTagName('head')[0].appendChild(fileref)
        }
        
        try {
            // javascript - MS webchat library
            loadfile('https://cdn.botframework.com/botframework-webchat/4.7.1/webchat.js');

            // javascript - core
            loadfile(cdn + 'core/' + coreversion + '/config-core.js');
            loadfile(cdn + 'core/' + coreversion + '/chatbot-core.js');
            
            // javascript - custom client config
            loadfile(cdn + 'clients/' + client + '/config-planning.js');
            
            // css - core 
            loadfile(cdn + 'core/' + coreversion + '/chatbot-core.css');

            // css - custom client
            loadfile(cdn + 'clients/' + client + '/chatbot-planning.css');
        }
        catch(err) {
            console.log('Error loading chatbot: '+err.message);
        }
    }());