loop through buttons and set highlight

tugglebuttons.h

-(IBAction)pushed:(id)sender
{
	int btn = [sender tag];
	UIButton *selBtn = (UIButton*)sender;
		
	for (UIButton *view in [planImage subviews]) {
		if ([view isKindOfClass:[UIButton class]]) {
			[view setBackgroundImage:[UIImage imageNamed:@"WhiteBox.jpg"] forState:UIControlStateNormal];
			view.alpha = 0.2;
		}
	}
	
	[selBtn setBackgroundImage:[UIImage imageNamed:@"Icon.png"] forState:UIControlStateNormal];
}