How to add colorbox in views gallery I follow these steps to achieve the gallery thumbnail in footer
  https://www.drupal.org/node/1497058
  and now my thumbnails shows like below
  
  
  but only thing left is when i
  click thumbnail image its open the next page and show the big image
  but i want when i click the thumbnail the big page open on colorbox
  when i click on thumbnail its shown like below
Install and enable colorbox module. And add place colorbox library in sites/all/library and rename folder to colorbox  


Goto to admin/structure/views
Click edit on your views, here my view name is "Colorbox"





Click on your image field, eg., content:Image





select Formatter as colorbox and click "apply"





Save the view and clear the cache.


Hope it works