PD: el contenido no se ve en ningún navegador.
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>prueba</title>
<script type="text/javascript" src="js/swfobject.js"></script>
<style type="text/css">
<!--
body {
margin: 0px;
padding: 0px;
background-color: #ffffff;
}
html, body {
height: 100%;
margin: 0;
padding: 0;
overflow-y:hidden;
overflow-x:hidden;
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
}
--></style>
</script>
</head>
<div id="contenedor">texto</div>
<script type="text/javascript">
var so = new SWFObject("Sitio2.swf", "sitio", "100%", "100%", "9");
so.write("contenedor");
</script>
</body>
</html>