Probalo así por favor y avísame:
Código HTML:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento sin título</title>
</head>
<body>
<table width="200" border="1" align="center">
<tr>
<td>
<object classid="clsid:166B1BCA-3F9C-11CF-8075-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=8,5,0,0" width="400" height="300">
<param name="src" value="../sources/presentacion.swf" />
<embed src="../sources/presentacion.swf" pluginspage="http://www.macromedia.com/shockwave/download/" width="400" height="300"></embed>
</object>
</td>
</tr>
</table>
</body>
</html>
Gracias.