function scr_getitemspace(arg0)
{
    if (arg0 == "pocket")
    {
        var invroom = 0;
        for (var i = 0; i < 12; i++)
        {
            scr_debug_print("global.item[" + string(i) + "] =" + string(global.item[i]));
            if (global.item[i] == 0)
                invroom++;
        }
        scr_debug_print("Room available in pocket: " + string(invroom));
        return invroom;
    }
}