// Función para mostrar el menu desplegable
var t;

function activar()
{
	clearTimeout(t);
}

function products()
{
	var capa = document.getElementById('products');
    capa.style.visibility = "visible";
}

function applications()
{
	var capa = document.getElementById('applications');
    capa.style.visibility = "visible";
}

function services()
{
	var capa = document.getElementById('services');
    capa.style.visibility = "visible";
}

function ocultar_submenus()
{

	var capa1 = document.getElementById('products');
    capa1.style.visibility = "hidden";
	var capa2 = document.getElementById('applications');
    capa2.style.visibility = "hidden";
	var capa3 = document.getElementById('services');
    capa3.style.visibility = "hidden";

}
function retardo()
{
	t=setTimeout('ocultar_submenus()',500);
}