- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if ([[self.navigationController viewControllers] count] < 3) {

    RootViewController *mdetailViewController = [[RootViewController alloc] initWithStyle:UITableViewStylePlain];

    mdetailViewController.rootArray = [self.rootArray objectAtIndex:indexPath.row];
    [self.navigationController pushViewController:mdetailViewController animated:YES];

    [mdetailViewController release];

    }

    [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [rootArray count];
}