title: jQuery - How to brighten an image
body: <p>Hi<br />
  In jQuery, we can use the code as below, to make the image darkly. In opposite, how can we bright up an image?</p>
  
  <pre><code>$(this).hover(function() {
      $(this).stop().animate({ opacity: 0.5 }, 500);
  },
  function() {
      $(this).stop().animate({ opacity: 1.0 }, 500);
  });
  </code></pre>