function Menu1muestra() {

document.getElementById("menu1").style.visibility = "visible";

//document.getElementById("menu1").style.bgcolor = "#FFFFFF";



}

function Menu1esconde() {

document.getElementById("menu1").style.visibility = "hidden";

}

function Menu2muestra() {

document.getElementById("menu2").style.visibility = "visible";

}

function Menu2esconde() {

document.getElementById("menu2").style.visibility = "hidden";

}