title: uiwebview doesnt respond to orientation change
body: <pre><code>UIViewController *webViewController = [[[UIViewController alloc] init] autorelease];
  UIWebView *uiWebView = [[[UIWebView alloc] initWithFrame: CGRectMake(0,0,320,480)]   autorelease];
  [webViewController.view addSubview: uiWebView];
  [self.navigationController pushViewController:webViewController animated:YES];
  </code></pre>
  
  <p>i want to allow orintation change to this web view. how to achieve this?
  also , if i navigate from previous view which is landscape, web view gives blank space on right. please help to fix this also.</p>