
    
    <script>
        var checkBoxFields = ['isLive', 'withCredentials', 'hasAudio', 'hasVideo'];
        var streamURL, mediaSourceURL;

        function flv_load() {
            console.log('isSupported: ' + flvjs.isSupported());
            if (mediaSourceURL.className === '') {
                var url = document.getElementById('msURL').value;
    
                var xhr = new XMLHttpRequest();
                xhr.open('GET', url, true);
                xhr.onload = function (e) {
                 