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onclick="document.voteForm.r4785930[1].checked=true;document.voteForm.submit();">                    

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            <input type="radio" style="cursor:pointer;" name="r9417970" value="4" onclick="this.form.submit()">4          </div>
                                <div id="r5" class="rateval"                    

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  WB_SetRadioCheckboxField(WB, 'radio', 'r9417970', True);                    

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function WB_FindFieldByValue(WebBrowser: TWebBrowser; FieldType, FieldValue: string; var Field: TPoint): boolean;
var
  i, j: Integer;
  FormItem: Variant;
begin
  Result := False;
  if Assigned(WebBrowser.Document) then
  begin
  if WebBrowser.OleObject.Document.all.tags('FORM').Length <> 0 then
    for I := 0 to WebBrowser.OleObject.Document.forms.Length - 1 do
    begin
      FormItem := WebBrowser.OleObject.Document.forms.Item(I);
      for j := 0 to FormItem.Length - 1 do
      begin
        try
          if (FormItem.Item(j).Value = FieldValue) and
            (FormItem.Item(j).Type = FieldType) then
          begin
            Field.x := i;
            Field.Y := j;
            Result := True;
            Exit;
          end;
        except
         // Exit;
        end;
      end;
    end;
  end;
end;

function WB_SetRadioCheckboxField(WebBrowser: TWebBrowser; FieldType, FieldValue: string; Checked: boolean): Boolean;
var
  Field: TPoint;
begin
  Result := WB_FindFieldByValue(WebBrowser, FieldType, FieldValue, Field);
  if Result then
  try
    WebBrowser.OleObject.Document.forms.Item(Field.x).Item(Field.y).Checked := Checked;
    Result := True;
  except
    Result := False;
  end;
end;