/*menu topo*/
function ShowMenu(indice){
   var submenu = document.getElementsByTagName("div");
   
   for(var x=0; x<submenu.length; x++){
       name = submenu[x].getAttribute("name");
       
       if(name == 'submenu'){
          if(submenu[x].id == indice)
             submenu[x].style.display = 'block';
          else
             submenu[x].style.display = 'none';
       }
   }
}