var global_group_id = 0;

function open_dir(group_id)
{   
    global_group_id = group_id;
         
    var DY5            = new PJS;
    DY5.change('gallery', 'core/secondary/volunteers/frontend/frontend.php?do=show_dir&id='+ group_id);
    
    if (group_id != 0)
    {
        fn_group_id(group_id);
    }
}