function video(){
 document.getElementById('cont_video').style.visibility = "visible";
 document.getElementById('cont_fotos').style.visibility = "hidden";
 document.getElementById('divVideo').style.visibility = "visible";
}
function fotos(){
 document.getElementById('cont_video').style.visibility = "hidden";
 document.getElementById('cont_fotos').style.visibility = "visible";
 document.getElementById('divVideo').style.visibility = "hidden";
}
function vNov(){
 document.getElementById('cont_novedades').style.visibility = "visible";
 document.getElementById('cont_promociones').style.visibility = "hidden";
 document.getElementById('cont_video').style.visibility = "hidden";
}
function vPromo(){
 document.getElementById('cont_novedades').style.visibility = "hidden";
 document.getElementById('cont_promociones').style.visibility = "visible";
 document.getElementById('cont_video').style.visibility = "hidden";
}
function vVideo(){
 document.getElementById('cont_novedades').style.visibility = "hidden";
 document.getElementById('cont_promociones').style.visibility = "hidden";
 document.getElementById('cont_video').style.visibility = "visible";
}
function empresaMenu(){
 document.getElementById('menuA').style.visibility = "visible";
 document.getElementById('menuB').style.visibility = "hidden";
}
function productosMenu(){
 document.getElementById('menuA').style.visibility = "hidden";
 document.getElementById('menuB').style.visibility = "visible";
}


function sNov(){
 document.getElementById('capaNovedades').style.visibility = "visible";
 document.getElementById('capaPromociones').style.visibility = "hidden";
 document.getElementById('capaVideos').style.visibility = "hidden";
}
function sPromo(){
 document.getElementById('capaNovedades').style.visibility = "hidden";
 document.getElementById('capaPromociones').style.visibility = "visible";
 document.getElementById('capaVideos').style.visibility = "hidden";
}
function sVideo(){
 document.getElementById('capaNovedades').style.visibility = "hidden";
 document.getElementById('capaPromociones').style.visibility = "hidden";
 document.getElementById('capaVideos').style.visibility = "visible";
}