<SCRIPT LANGUAGE="javascript">
var pagina = "index2.htm";
var ancho = 640;
var alto = 420;
var centroAncho = (screen.width/2) - (ancho/2);
var centroAlto = (screen.height/2) - (alto/2);
jlm = window.open(""+pagina+""," ;miVentana","fullscreen,toolbar=0,locati on=0,directories=0,status=0,menubar=0,scrollbars=0 ,resizable=0")
esa ventana y como esta a fullscreen no tendra barras ni bordes ni nada:
jlm.resizeTo(ancho,alto)
jlm.moveTo(centroAlto,centroAncho)
</SCRIPT>
fuente www.miscodigos.com
<p align="center"><embed src="http://usuarios.lycos.es/tlalneweb/sm.swf " quality=high width="400" height="60">