b.openHorizontalhideBox("");
b.create_master_slider(PARAM("level"), _("level"));
b.closeBox();
b.openVerticalBox("");
{
    b.openHorizontalBox("");
    {
	b.create_small_rackknobr(PARAM("level"), _("level"));
	b.create_small_rackknob(PARAM("Speed"), _("speed"));
	b.create_small_rackknob(PARAM("wet_dry"), _("dry/wet"));
    }
    b.closeBox();
}
b.closeBox();
