How to show user info in DIV based on link click?
Have a look at the Colorbox module. Some more details about it (from its project page):

Colorbox is a light-weight customizable lightbox plugin for jQuery. This module allows for integration of Colorbox into Drupal.
Images, iframed or inline content etc. can be displayed in a overlay above the current page.
Features

Works as a Formatter in entities and in views.
Excellent integration with core image field and image styles and the Insert module
Choose between a default style and a number of other styles that are included.
Style the Colorbox with a custom Colorbox style in your theme.
Drush command, drush colorbox-plugin, to download and install the Colorbox plugin in sites/all/libraries.


Credits: rooby (in a comment below the question).