function CreateMail(strRusSubject, strEngSubject) {
  var strUserAgent = window.navigator.userAgent.toLowerCase();
  var blnRus = (strUserAgent.indexOf('opera') == -1) && (strUserAgent.indexOf('firefox') == -1);
  var blnQuestion = strRusSubject == null;
  var strSubject = blnQuestion ? '' : (blnRus ? strRusSubject : strEngSubject);
  var strBody = blnRus ? (blnQuestion ? 'Ваш вопрос:' : 'Ваш ответ:') : (blnQuestion ? 'Your question:' : 'Your answer:');
  document.location = 'mailto:mymailsb@mail.ru?сс=' +
    '&subject=' + strSubject.replace(/ /g, '%20') +
    '&body=' + strBody.replace(/ /g, '%20') + '%0D%0A';
}