changing uiview?

hey i really need help with a touch event i want to change uiview when an imageview is pressed i have started a touchesbegan function but dont no wer to go from there the code i am using is below

Code:

-(void)touchesBegan:(NSSet*)touches withEvent:(UIEvent*)event
{
	UITouch *touch = [[event allTouches] anyObject];
	
	if ([touch view] == buttonl) {
		
		
		
		
	}	
}

im not even sure if this is the right way to go about it and i am new to this
any help is appreciated