title: How to show animated image from PNG image using javascript? [ like gmail ]
body: <p>First of all,check out this image<br>
  <img src="https://ssl.gstatic.com/ui/v1/icons/mail/im/emotisprites/wink2.png" alt="wink"><br>
  Gmail uses this image to display the animated emoticon.<br>
  How can we show such animation using a png image?</p>