// Función para mostrar el menu desplegable
var t;

function activar()
{
	clearTimeout(t);
}

function menu1()
{
	var capa = document.getElementById('menu1');
    capa.style.visibility = "visible";
}
function menu2()
{
	var capa = document.getElementById('menu2');
    capa.style.visibility = "visible";
}
function menu3()
{
	var capa = document.getElementById('menu3');
    capa.style.visibility = "visible";
}
function menu4()
{
	var capa = document.getElementById('menu4');
    capa.style.visibility = "visible";
}
function menu5()
{
	var capa = document.getElementById('menu5');
    capa.style.visibility = "visible";
}
function menu6()
{
	var capa = document.getElementById('menu6');
    capa.style.visibility = "visible";
}


function ocultar_submenus()
{
	var capa1 = document.getElementById('menu1');
    capa1.style.visibility = "hidden";
	var capa2 = document.getElementById('menu2');
    capa2.style.visibility = "hidden";
	var capa3 = document.getElementById('menu3');
    capa3.style.visibility = "hidden";
	var capa4 = document.getElementById('menu4');
    capa4.style.visibility = "hidden";
	var capa5 = document.getElementById('menu5');
    capa5.style.visibility = "hidden";
	var capa6 = document.getElementById('menu6');
    capa6.style.visibility = "hidden";
}
function retardo()
{
	t=setTimeout('ocultar_submenus()',800);
}

// fin del menú desplegable