problums detecting one subview to add another

[onpcp]

im trying to put together an if statement to detect if one subview is up to put another. not sure how to go about it any help will be appreciated

[code]

-(IBAction)checkAnswer

{

if([textField.text isEqualToString: answerField.text])
{
score = score + 100;
scoreLabel.text = [NSString stringWithFormat:@"%i", score];
[self loadHints];

}
else
if (subview == bg1) {
[self addSubview:bg2];
[self loadHints];
[self addSubview:HUD];
}
if (subviews == bg2){
[self addSubview:bg3];
[self loadHints];
[self addSubview:HUD];
}
if (subviews == bg3)
{
[self addSubview:bg4];
[self loadHints];
[self addSubview:HUD];
}
if (subviews == bg4){
[self addSubview:bg5];
}

[code]

[onpcp]

sorry not sure how to do the code in thread properly

[onpcp]

any one?? any ideas to try

[onpcp]

any one i just need to make a if statement if one subview is up replace it with another any ideas really need some help