视频无法偶尔从youtube播放列表中加载

Question

我正在使用YouTube API使用Javascript和Jquery从YouTube播放列表中检索视频。并将视频显示到Carousal。 有时候视频会被加载到转盘中，而有时则不然。当我替换播放列表ID时，它工作正常，但有一段时间后我又遇到了类似的问题。

<script type="text/javascript"> 


        function fnGoogleFeedLoaded(){  


            fnCreateCarousal(1,"2C5A4567D2B2600B");
            fnCreateCarousal(2,"9bw4S5ePsEFtdohdvpRVwqPvPorrFTQF");
            fnCreateCarousal(3,"PL9A7F57201F1AA96B");
            fnCreateCarousal(4,"88CBC02990158C01");
            fnCreateCarousal(5,"PL0155DF7A9B0DF819");
            fnCreateCarousal(6,"3367D45095D0B592");
        }
    function fnCreateCarousal(nIndex,nPlaylistID){
            var feedUrl = "http://gdata.youtube.com/feeds/api/playlists/"+nPlaylistID+"?max-results=8";
            new google.feeds.lookupFeed(feedUrl, function (result) {
            if (result.error || !result.url) {
                $('#videocomm').hide();
                return;
            }
            // get the feed items
            var feed = new google.feeds.Feed(result.url);
            feed.setNumEntries(50);
            feed.load(function (result) {
                // write out the feed data          
                var container = $("#CarousalBase_"+nIndex);
                //var totalcount = result.feed.entries.length;
                //alert (totalcount);
                for (var i = 0; i < result.feed.entries.length; i++) {
                    var entry = result.feed.entries[i];
                    var vidhash = /=(.*)&(.*)$/.exec (entry.link)[1]; 

            /*      container.append('<div><a href="http://www.youtube.com/embed/'+vidhash+'" class="html5lightbox" title="'+entry.title+'"><img src="http://img.youtube.com/vi/'+vidhash+'/0.jpg" /><br />'+entry.title+'</a></div>\n');*/

            container.append('<div><a href="#" onClick=onYouTubeIframeAPIReady("'+vidhash+'"); title="'+entry.title+'"><img src="http://img.youtube.com/vi/'+vidhash+'/0.jpg" /><br />'+entry.title+'</a></div>\n');
                }

                // load the first video
                $(".html5lightbox:first").each(function () {
                    if(nIndex == 1){
                        loadVideo(this);
                        return false;
                    }                       
                });

                // setup the click handler for all the videso
                $(".html5lightbox").click(function () {
                    loadVideo(this);
                    return false;
                });

            });
        });     
    }


    google.setOnLoadCallback(function () {
            //alert("Hii");
            fnGoogleFeedLoaded();               
    });
    google.load("feeds", "1");

  var tag = document.createElement('script');
  tag.src = "http://www.youtube.com/iframe_api";
  var firstScriptTag = document.getElementsByTagName('script')[0];
  firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);


function onYouTubeIframeAPIReady(vidhash)
{

      player = new YT.Player('light', {
      height: '390',
      width: '640',
      videoId: vidhash,
      events: {
        'onReady': onPlayerReady,
        'onStateChange': onPlayerStateChange
      }
    });

document.getElementById('light').style.display='block';
document.getElementById('fade').style.display='block';
}

function onPlayerReady(event) {
    event.target.playVideo();
  }

  var done = false;
  function onPlayerStateChange(event) {
    if (event.data == YT.PlayerState.PLAYING && !done) {
      setTimeout(stopVideo, 2000);
      done = true;
    }
  }
  function stopVideo() {
    player.stopVideo();
  }