- (void)loadView 
{
	PurchaseWindowViewController* vc = [[PurchaseWindowViewController alloc] initWithNibName:@"PurchaseWindowViewController" bundle:nil];
 
	pc = [[UIPopoverController alloc] initWithContentViewController:vc];
 
	CGRect rect = CGRectMake((self.view.bounds.size.width - 300)/2, (self.view.bounds.size.height - 400)/2, 300, 400);
	pc.popoverContentSize = rect.size;
 
	[pc presentPopoverFromRect:rect inView:self.view permittedArrowDirections:0 animated:YES];
 
    [super viewDidLoad];
 
}
 
- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
	CGRect rect = CGRectMake((self.view.bounds.size.width - 300)/2, (self.view.bounds.size.height - 400)/2, 300, 400);
	pc.popoverContentSize = rect.size;
}