function abre ( page ) {	
	if (page == "home") {
        window.location.href = 'index.php';
	}
	
	if (page == "ligamos") {
        window.location.href = '?sec=fale_conosco';
	}
	
	if (page == "vantagem_facul") {
        window.location.href = '?sec=vantagens_facul';
	}
}