javascript浏览器兼容问题

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
 <head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<script src="../../common.js" type="text/javascript"></script>
</head>
<body bgcolor="#000000">
<div align="center" id="player">
<script type="text/javascript">
function initErr()
{
fd("player").innerHTML = '<iframe src="install.html" width="100%" height="100%" frameborder="0" scrolling="no"></iframe>';
setTimeout("location.reload()", 30000);
}
var data= q();
if (data!=""){
datas=data.split('$');
document.writeln('<OBJECT id=BaiduPlayer classid="clsid:02E2D748-67F8-48B4-8AB4-0A085374BB99" width="100%" height="100%" align="center" hspace="0" vspace="0" onError="initErr();"');
document.writeln('<param name="rate" value="1">');
document.writeln('<param name="balance" value="0">');
document.writeln('<param name="defaultFrame" VALUE>');
document.writeln('<param name="playCount" value="1">');
document.writeln('<param name="autoplay" value="1">');
document.writeln('<param name="currentMarker" value="0">');
document.writeln('<param name="invokeURLs" value="-1">');
document.writeln('<param name="Title" value="'+datas[1]+'">');
document.writeln('<param name="URL" value="'+datas[0]+'">');
document.writeln('<param name="baseURL" VALUE>');
document.writeln('<param name="volume" value="80">');
document.writeln('<param name="mute" value="0">');
document.writeln('<param name="stretchToFit" value="1">');
document.writeln('<param name="windowlessVideo" value="0">');
document.writeln('<param name="enabled" value="-1">');
document.writeln('<param name="enableContextMenu" value="-1">');
document.writeln('<param name="NextVideoURL" value="">');
document.writeln('<param name="fullScreen" value="0">');
document.writeln('<param name="SAMIStyle" VALUE>');
document.writeln('<param name="SAMILang" VALUE>');
document.writeln('<param name="SAMIFilename" VALUE>');
document.writeln('<param name="captioningID" VALUE>');
}
</script>
</div>
</body>
</html>
这个在IE可以使用，火狐之类的不行！！怎样改？