var nodes = document.querySelectorAll('#justified_gallery_<br />
<b>Fatal error</b>:  Uncaught Error: Using $this when not in object context in /home/zimmerma/public_html/wp-content/plugins/smart-grid-gallery/includes/justified-gallery/views/direction-aware.js.php:1
Stack trace:
#0 {main}
  thrown in <b>/home/zimmerma/public_html/wp-content/plugins/smart-grid-gallery/includes/justified-gallery/views/direction-aware.js.php</b> on line <b>1</b><br />