- (void)applicationDidFinishLaunching:(UIApplication *)application {

	CGRect frame = CGRectMake(0.0, 200.0, 320, 40);
	pageControl = [[UIPageControl alloc] initWithFrame:frame];
	[pageControl addTarget:self action:@selector(pageAction:) forControlEvents:UIControlEventTouchUpInside];
	pageControl.backgroundColor = [UIColor grayColor];
	pageControl.numberOfPages = 10;

	[window addSubview:pageControl];
	[window makeKeyAndVisible];

	[self updateControlImages];
}

-(void)updateControlImages{

	for (UIImageView *view in [pageControl subviews]){
		if ([[[view class] description] isEqualToString:@"UIImageView"]) {
			view.frame = CGRectMake(view.frame.origin.x, view.frame.origin.y, 15, 15);
			[view setImage:[UIImage imageNamed:@"smileyFace.png"]];
		}
	}
	// this sets the image for the current page
	[[[pageControl subviews] objectAtIndex:[pageControl currentPage]] setImage:[UIImage imageNamed:@"smileyFace2.png"]];
}


- (void)pageAction:(id)sender
{
	[self updateControlImages];
}