// -------- oculto los elementos del menu inicial -------------
top.document.getElementById('tx_corriendo').style.visibility = "hidden";
top.document.getElementById('Layer11').style.visibility = "hidden";

// -------- Muestro los elementos del menu secundario ---------

top.document.getElementById('caja_busq2').style.visibility = "visible";
top.document.getElementById('input_buscar2').style.visibility = "visible";
top.document.getElementById('tx_buscar2').style.visibility = "visible";


function esmain(){
top.document.getElementById('caja_busq2').style.visibility = "hidden";
top.document.getElementById('input_buscar2').style.visibility = "hidden";
top.document.getElementById('tx_buscar2').style.visibility = "hidden";
top.document.getElementById('tx_corriendo').style.visibility = "visible";
top.document.getElementById('Layer11').style.visibility = "visible";
}