// JavaScript Document
function carregamenu(id,idb,idc) { 

x = document.getElementById(id);
x.style.display = (x.style.display == 'block') ? 'none' : 'block';
x.style.visibility = (x.style.visibility == 'visible') ? 'hidden' : 'visible';

y = document.getElementById(idb);
y.style.visibility = 'hidden';
y.style.display = 'none';

k = document.getElementById(idc);
k.style.visibility = 'hidden';
k.style.display = 'none';

}