function menuOrden_al(){
document.getElementById("showCont").style.display = "none";
document.getElementById("sub_orden_cr").style.display = "none";
document.getElementById("sub_orden_ct").style.display = "none";
alOrden = document.getElementById("sub_orden_al");
                 switch(alOrden.style.display){
                 case "inline" :alOrden.style.display = "none";
                               break;
                 case "none"   :alOrden.style.display = "inline";
                               break;
                 }

                              }


function menuOrden_cr(){
document.getElementById("sub_orden_al").style.display = "none";
document.getElementById("sub_orden_ct").style.display = "none";
document.getElementById("showCont").style.display = "none";
crOrden = document.getElementById("sub_orden_cr");
                 switch(crOrden.style.display){
                 case "inline" :crOrden.style.display = "none";
                               break;
                 case "none"   :crOrden.style.display = "inline";
                               break;
                 }

                              }

function menuOrden_ct(){
document.getElementById("showCont").style.display = "none";
document.getElementById("sub_orden_cr").style.display = "none";
document.getElementById("sub_orden_al").style.display = "none";
ctOrden = document.getElementById("sub_orden_ct");
                 switch(ctOrden.style.display){
                 case "inline" :ctOrden.style.display = "none";
                               break;
                 case "none"   :ctOrden.style.display = "inline";
                               break;
                 }

                              }

window.onload=function(){
var menu_al = document.getElementById("orden_al");
menu_al.onclick=menuOrden_al;
var menu_cr = document.getElementById("orden_cr");
menu_cr.onclick=menuOrden_cr;
var menu_ct = document.getElementById("orden_ct");
menu_ct.onclick=menuOrden_ct;

}