function dump_action(dump_id, action) {
    switch (action) {
        case 'show': {
            document.getElementById(dump_id).style.height = '500px';
            document.getElementById(dump_id).style.overflow = 'scroll';
            document.getElementById(dump_id).style.zIndex = 11;
            element_display(dump_id+'_hide', 'block');
            element_display(dump_id+'_show', 'none');
            break;
        }
        case 'hide': {
            document.getElementById(dump_id).style.height = '16px';
            document.getElementById(dump_id).style.overflow = 'hidden';
            document.getElementById(dump_id).style.zIndex = 10;
            element_display(dump_id+'_hide', 'none');
            element_display(dump_id+'_show', 'block');
            break;
        }
        case 'move': {
            element_class_variate(dump_id, 'dump_id drag_handle', 'dump_id');
            break;
        }
        case 'close': {
            element_visibility(dump_id, 'hidden');
            break;
        }
    }
    return false;
}