if (global.flag[353] > 0)
{
    if (madepud == 0)
    {
        pud = instance_create(170, 63, obj_readable_room5);
        pudspr = scr_marker(170, 60, spr_coolerpuddle);
        pudspr.depth = 900000;
        madepud = 1;
    }
    if (global.flag[353] > 0)
    {
        if (global.flag[353] > 7)
            pudspr.image_index = 1;
        if (global.flag[353] > 15)
            pudspr.image_index = 2;
        if (global.flag[353] > 15 && global.flag[7] == 1)
            pudspr.image_index = 3;
    }
}