title: UITableView get the value of the section while scrolling
body: <pre><code>- (NSString*) tableView:(UITableView*)tableView titleForHeaderInSection:(NSInteger)section
  {
      NSLog(@"%i",section);
  }
  </code></pre>
  
  <p>If I scroll down the table I get the value of
  0
  2
  3
  4 ...
  If up
  0
  2
  3
  4
  2
  1 ...
  How to get the value without reduction or increase by 2?</p>