title: image upload with Ajax and without Submit button in Codeigniter
body: <p>I'm using Codeigniter. I need to upload <strong>Avatar</strong> image for my site. I need to upload image with <code>Ajax and Jquery</code>. But <code>NO</code> need Submit button. When I click upload->open it's directly goes to upload via ajax/jquery. </p>
  
  <p>Here after only im going to start my code. If you want sample code, <a href="http://ellislab.com/codeigniter/user-guide/libraries/file_uploading.html" rel="nofollow">use this link</a>.</p>
  
  <p><em>Note:</em> (looks &amp; functions) It's should same for all browser.
  and I don't want any uploader package.</p>
  
  <p>Thanks...</p>