<!-- script.js -->
function carregaFlash(caminho,largura,altura)
{
document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="'+largura+'" height="'+altura+'">');
document.write('<param name="movie" value="'+caminho+'">');
document.write('<param name="quality" value="high">');
document.write('<param name="wmode" value="transparent">');
document.write('<param name="menu" value="false">');
document.write('<embed src="'+caminho+'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="'+largura+'" height="'+altura+'"></embed>');
document.write('</object>');
}
<!-- pagina.html -->
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Retira Moldura do SWF</title>
<script language="javascript" type="text/javascript" src="script.js"></script>
<link href="estilo.css" rel="stylesheet" type="text/css" />
</head>
<body>
<script language="JavaScript">
carregaFlash(arquvio.swf,'480','75');
</script>
</body>
</html>