- (void)showGameOverDialog {
    UIAlertView *alertView =
        [[UIAlertView alloc] initWithTitle:@"No words left"
                                   message:@""
                                  delegate:self
                         cancelButtonTitle:@"New game"
                         otherButtonTitles:@"Previous game info",
                                           @"Report bug",
                                           NULL];
    [alertView setTag:TAG_GAME_OVER];
    [alertView show];
    [alertView release];
}


- (void)alertView:(UIAlertView *)alertView
clickedButtonAtIndex:(NSInteger)buttonIndex {
   NSString *buttonTitle = [alertView buttonTitleAtIndex:buttonIndex];
   NSInteger tag = [alertView tag];

   if (tag == TAG_GAME_OVER) {
      if (buttonIndex == [alertView cancelButtonIndex]) {
         [self newGame];
      } else if ([buttonTitle isEqualToString:@"Previous game info"]) {
         [self previousGameInfo];
      } else if ([buttonTitle isEqualToString:@"Report bug"]) {
         [self reportBug];
      }
   }
}