高分求助，视频播放器自由控制代码


   <embed id="mp1" src="D:\MTV\F.I.R--雨樱花.mp3" align="baseline" border="0" width="350" height="68"
        type="application/x-mplayer2"
        pluginspage="http://www.microsoft.com/isapi/redir.dll?prd=windows&amp;sbp=mediaplayer&amp;ar=media&amp;sba=plugin&amp;"
        name="MediaPlayer" showcontrols="1" showpositioncontrols="0"
        showaudiocontrols="1" showtracker="1" showdisplay="0"
        showstatusbar="1"
        autosize="0"
        showgotobar="0" showcaptioning="0" autostart="1" autorewind="0"
        animationatstart="0" transparentatstart="0" allowscan="1"
        enablecontextmenu="1" clicktoplay="0" 
        defaultframe="datawindow" invokeurls="0">
    </embed>
    <input type="input" name="yzVal" value="">
<input type=button onclick="yz()" value="验证码"><script>

     function getPlayTimed(){    
      var timed=mp1.CurrentPosition+"";    
     var arraySp=timed.split(".");    
     if(arraySp[0]==5){    
     document.mp1.Stop(); //验证码自己弄吧
     }  
                setInterval("getPlayTimed()",1000);
   function yz(){
     var yzVal = document.getElementsByName("yzVal")[0].value;
     if(yzVal=="123")
      document.mp1.Play();
   }  
    
</script>