title: HighCharts image export
body: <p>I am using HighChart in my application.
  I want to export chart image on a button click like <a href="http://jsfiddle.net/hfrntt/fXHB5/1896/" rel="nofollow">http://jsfiddle.net/hfrntt/fXHB5/1896/</a>.
  but i want to save image in a predefined folder and remove the save dialog pop-up to save image.</p>
  
  <p>On button click image saved on the predefined folder.(No save dialog)</p>
  
  <p>Thanks in advance</p>