音频播放器兼容

<script>
    // 检查是否正在播放
    var spd = '${spd!""}';
    var pit = '${pit!""}';
    var vol = '${vol!""}';
    var per = '${per!""}';
    var myToken = '${myToken!""}';
    var cuid = '${cuid!""}';
    function play(text) {
        if (text.indexOf("流程流程") > -1) {
            text = text.replace("流程流程", "流程")
        }
        var url = "http://tsn.baidu.com/text2audio?lan=zh&ctp=1&cuid="+cuid+"&tok="+myToken+"&tex="+text+"&vol="+vol+"&per="+per+"&spd="+spd+"&pit=" + pit;
        setUrl(url);
    }
    urls=new Array()
    if(navigator.appName == "Microsoft Internet Explorer"&&IEVersion()<11) {
        //embed不能判断是否暂停的状态
        setInterval('playSound()', 5000);
    }else{
        setInterval('playSound()', 1000);
    }
    function setUrl(url){
        urls.push(url);
    }
    //递归播放新音频，前一个音频播放完成才会播放新的
    function audioIsPlay(strAudio) {
        var audioPlayer = document.querySelector('audio#media');
        if (audioPlayer.paused) {
            // 暂停中
            $("#media").remove();
            $("body").append(strAudio);
            var audio = document.getElementById( "media" );
            //浏览器支持 audion
            audio.play();
        } else {
            // 播放中
            window.setTimeout("audioIsPlay(\""+strAudio+"\")",2000);
        }
    }

    function playSound(){
        if(urls.length<1){
            return;
        }
        //IE内核浏览器
       var url=encodeURI(encodeURI(urls.pop()));
        if(navigator.appName == "Microsoft Internet Explorer"&&IEVersion()<11){
            var strEmbed = '<embed id="media" name="embedPlay" src="'+url+'" autostart="true" hidden="true" loop="false"></embed>';
            if ( $("#media").length < 1 ){
                $( "body" ).append( strEmbed );
            }else{
                $("#media").remove();
                $( "body" ).append( strEmbed );
            }
            var embed = document.embedPlay;

            //浏览器不支持 audion，则使用 embed 播放
            embed.volume = 100;
            //embed.play();这个不需要
        }else{
            //非IE内核浏览器
            var strAudio = "<audio id='media' src='"+url+"' hidden='true'>";
            if ( $("#media").length < 1 ){
                $( "body" ).append(strAudio);
                var audio = document.getElementById( "media" );
                //浏览器支持 audion
                audio.play();
            }else{
                audioIsPlay(strAudio);
            }
        }
    }
</script>