var opened_id = null;

function show_submenu(id){
    var id_f = "subcategory_" + id
    if (opened_id != id_f && $(id_f) != null){
        $$(".subcategory_place").each(function(el){
            if (opened_id == el.id){
                new Effect.SlideUp(el);
            }
        });
        new Effect.SlideDown(id_f);
        opened_id = id_f;
    }
}

function hide_submenu(id){
    
}

function show_loader(container_id, image )
{
    if (!image) image = 'snake';
    with($(container_id))
    {
        innerHTML = '<img src="/images/'+ image +'.gif" />';
        show();
        }
}