how to implement pinch to zoom in jquerymobile app runnign on android 4.0?

how to implement pinch to zoom in jquerymobile app runnign on android 4.0?

Hello,
         i am trying to implement pinch to zoom in an android app. Right now i just point to an image in content tag.
  1. <div data-role="content">
  2.           
  3.            <!--  <img src="picture3.jpg"  width="600" height="830"/>-->
  4.          </div>
  5.      

Now how can i implement pinch to zoom on this image?Any suggestions?