Strange Problem With Images

I’m having an really strange problem with my app…
I build it and installed in my galaxy tab, than I run it… until here ok! But when I try to access my function (changeScene) it has a delay…
But the strange thing is (I’m using two different images as buttons) when I tap one of them it goes ok… but the other image has a delay…
Does any one has any idea why of this?
Thanks [import]uid: 32005 topic_id: 7146 reply_id: 307146[/import]