title: How to make image Disappear on touching it?
body: <p>I am working on apllication for iphone in xcode 3.1.</p>
  
  <p>I want similar two images to disappear when touched one after other.</p>
  
  <p>I have succeed in displaying two images on iphone simulator on touching </p>
  
  <p>'PlAY' button.</p>
  
  <p>Now i want that when two same images are 'touched' one after another,they should disappear.</p>
  
  <p>Expect code in Objective C.</p>