gistfile1.m

-(IBAction)presentSalesView:(id)sender {
    // We hold on to the salesViewController since we'll be using it a bunch
    if (nil == self.salesViewController) {
        SCSalesViewController *viewController = [[SCSalesViewController alloc] initWithNibName:@"SCSalesView" bundle:nil];
        self.salesViewController = viewController;
        [viewController release];
    }
    [self.navigationController pushViewController:self.salesViewController animated:YES];
}

// Use and trash after i'm done
-(IBAction)presentMySCView {
     SCMySalesViewController *mySalesViewController = [[SCMySalesViewController alloc] initWithNibName:@"SCMySalesView" bundle:nil];
    [self presentModalViewController:mySalesViewController animated:YES];
    [mySalesViewController release];
}