'sessionIdInput');
            var sessionId = sessionIdInput.value.trim();
            
            if (sessionId) {
                roomID = sessionId;
                var href = window.location.href;
                var arr = href.split('?');
                var newurl;
                if (arr.length > 1 && arr[1] !== '') {
                    newurl = href + '&session=' + roomID;
                } else {
                    newurl = href + '?session=' + roomID;
                }
           