function helpWin(url) {
    //prepare help url with reseller's url (no peterhost.ru!, see #573) in pathname
    var l = window.location //current url = reseller's url
    var baseurl = String(l.protocol) + '//' + String(l.host) + '/cgi-bin/panel/helpwin?';
    var helpPopup = window.open(baseurl + url, 'helpwin','status=no,resizable=no,menubar=no,toolbar=no,scrollbars=yes,height=200,width=300');
    if (window.focus) {
        helpPopup.focus();
    }
}