function scr_plat_barrier_enable()
{
    with (instance_create(0, 0, obj_plat_barrier))
        appear();
}

function scr_plat_barrier_disable()
{
    with (obj_plat_barrier)
        disappear();
}

function scr_plat_barrier_toggle_vertical(arg0)
{
    with (obj_plat_barrier)
        toggle_vertical(arg0);
}