По поводу r1615 - по-моему там не все исправлено.
Code:
function isModel() {
        model = 'WL600';
        pid = parent.titleFrame.document.form.productid.value;

        if (pid.indexOf("WL500") != -1 || pid.indexOf("RT-N1") != -1 ||
                pid.indexOf("Wl700") != -1 || pid.indexOf("WL550") != -1 ||
                pid.indexOf("Wl520gu") != -1)
                model = 'WL500';
        else if (pid.indexOf("WL520") != -1 || pid.indexOf("WL530") != -1)
                model = 'WL520';
        else if (pid.indexOf("SnapAP") != -1)
                model = 'SnapAP';
        else if (pid.indexOf("WL300") != -1 || pid.indexOf("WL320") != -1 ||
                        pid.indexOf("Wl330") != -1)
                model = 'WL300';
        else if (pid.indexOf("WLHDD") != -1)
                model = 'WLHDD';

        return model;
}