stb notes

    function playPreview()
    {
        //var previewUrl = new String('<%=previewUrl%>');
        var previewUrl = "<%=previewUrl%>";
        if(previewUrl.length > 0 && previewUrl.length <= 1023)
        {
            iPanel.Media.open(previewUrl,'MPG');
        }
        else if(previewUrl.length > 1023)
        {
            window.location.href = "InfoDisplay.jsp?ERROR_ID=24&ERROR_TYPE=2" ;
        }
    }

//等待播放页面出来，跳转到播放页面
        String prevPageUrl = turnPage.go(0);

//播放影片后会出现过滤页面，清楚缓存
        if(out!=null && out.getBufferSize()!=0)
        {
         out.clearBuffer();
        }

// out = System.out

<script>
    window.location.href = "<%=prevPageUrl%>" ;
</script>