function PostData () {

  var Success = true;
  var Form    = document.getElementById('PricelistRequest');

  if ( !Form.f_Company.value ) { Success = false; }
  if ( !Form.f_Name.value    ) { Success = false; }
  if ( !Form.f_EMail.value   ) { Success = false; }
  if ( !Form.f_Street.value  ) { Success = false; }
  if ( !Form.f_City.value    ) { Success = false; }
  if ( !Form.f_Country.value ) { Success = false; }

  if ( Success && Form.f_DEMO.checked && !Form.f_Phone.value ) {

/*
    Ä = %C4
    Ö = %D6
    Ü = %DC
    ä = %E4
    ö = %F6
    ü = %FC
    ß = %DF
    € = %u20AC
    $ = %24
    % = %25
*/

  alert ( unescape("For a live demo, we need a phone number for calling back.") );
  return;
  }

  if ( Success ) {

    Form.submit();
  }
  else {

    alert ( "Please enter all required data!" );
  }
}