Creditos = null;

function ver_creditos(url){
	if(Creditos && !Creditos.closed){
		Creditos.close();
	}

	Creditos = window.open(url,"CreditosWin","width=200,height=200");
	Creditos.focus();
}

Foto = null;

function ver_foto(src){
	if(Foto && !Foto.closed){
		Foto.close();
	}

	Foto = window.open ("foto.php?img="+src,"FotoWin","width=500,height=500");

	Foto.focus();
}