function redireccionar() {
	var baja = "index2.php";
	var alta = "index1.php";
	var mobile = "http://www.gruponova.com.co/mobil";
	if ((screen.width == 800) && (screen.height == 600)){
		window.location.href= baja;
	}
	else if ((screen.width>1000) && (screen.height>700)){
		window.location.href= alta;
	}
	else {
		window.location.href= mobile;
	}
}