title: zoom an image on a coordinate using jquery on onclick
body: <p>I want to zoom an JPEG image with predefined image coordinates using <code>onclick</code> function.
  I already have the set of coordinates (x1,y1) and (x2,y2) and I just want to zoom on these coordinates with <code>onclick</code> button.</p>
  
  <p>Please give me any solution using jquery or ajax.</p>