abre ventana al entrar
<html>
<head>
<title>Abre ventana emergente al abrir pagina</title>
<script language=javascript>
function AbreVentana (URL){
window.open(URL,"tuweb","width=500,height=300,top=20,left=40,scrollbars=NO,titlebar=NO,menubar=NO,toolbar=NO,directories=NO,location=YES,status=NO,resizable=NO")
}
AbreVentana("http://www.region-musical.es.tl/comentarios.htm");
</script>
</head>
</html>
