for (n = 100; n <= 1000; n++)
{ 
    if (ret == -101){break};
    for (y = 1; y <= 100; y++)
    { 
        if (ret == -101){break};
        iimDisplay(y, n);
        var macro="CODE:";
        macro += "URL GOTO=http://site.ru/page.php?q=control&id_unit="+n+"&action_id=1&id_loc_to="+y+"&cnf=1" + "\n";
        var ret=iimPlay(macro);
    }
}