function redireccionar(){
	switch(document.formularioMenu.opcionesMenu.selectedIndex){
		case 1:
			dir = "seccion01.html";
		break;
		case 2:
			dir = "seccion02.html";
		break;
		case 3:
			dir = "seccion03.html";
		break;
	}
	document.location.href = dir;
}