HTML 播放rm,rmvb问题

请问下我这样写为什么rm/rmvb格式的播放不了？
<html> 
<head> 
<title>Player Demo</title>
<script> 
var rmID="clsid:CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA"; 
var wmID="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95"; 
var swfID="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"; var thePlayer; function doPlay(fPath){
  if(fPath==""||fPath==null)return(false); 
  fType=fPath.substring(fPath.lastIndexOf(".")+1).toLowerCase(); 
  if(thePlayer){ 
      document.getElementById("theTurePlayerID").outerHTML=""; 
  } 
  thePlayer=document.createElement("object"); 
  thePlayer.width="100%"; 
  thePlayer.height="100%"; 
  thePlayer.style.display="none"; 
  thePlayer.id="theTurePlayerID"; 
  document.getElementById("playerDIV").appendChild(thePlayer); 
  switch(fType){ 
    case "rm":case "rmvb": 
        thePlayer.classid=rmID;
        with(thePlayer){ 
            _ExtentX=23627;_ExtentY=15187; 
            AUTOSTART=-1;SHUFFLE=0;PREFETCH=0; 
            NOLABELS=0;CONTROLS="ImageWindow"; 
            CONSOLE="Clip1";LOOP=0;NUMLOOP=0;CENTER=0; 
            MAINTAINASPECT=0;BACKGROUNDCOLOR="#000000"; 
        } 
        thePlayer.Resource=fPath; 
        thePlayer.DoPlay();     break; 
    case "swf": 
        thePlayer.classid=swfID; 
        thePlayer.movie=fPath; 
    break; 
    default: 
        thePlayer.classid=wmID; 
        thePlayer.fileName=fPath; 
        thePlayer.Play(); 
  } 
   
  setTimeout("thePlayer.style.display='';",1000); 
} 
</script> 
</head> 
<body> 
<div id="playerDIV" style="width:600px;height:450px;"></div>
<a href="javascript:doPlay('导火线.rm');">导火线 (RM)</a>
<a href="javascript:thePlayer.Stop();">Stop</a>
</body>
</html>