title: Download file from http url by JQuery Ajax
body: <p>I have on html page input type text. I want paste URL, on example <a href="http://www.quicksprout.com/images/foggygoldengatebridge.jpg" rel="nofollow">http://www.quicksprout.com/images/foggygoldengatebridge.jpg</a> in this text field and click button "download" and  download this file to my computer. 
  I want want to realize this with AJAX. Maybe do you know some AJAX plugins or code that could realize downloading file from HTTP URL?</p>