Readonly reads in BPF i in MSCRM

function message() {
    debugger;
    var c = Xrm.Page.getControl("header_process_new_gender");
    if (c != null) {
        c.setDisabled(true);
    }

    var c1 = Xrm.Page.getControl("header_process_new_age");
    if (c1 != null) {
        c1.setDisabled(true);
    }
}