title: Open Pop-Up window in Rails on clicking link
body: <p>I want to open a pop-up window on click of 'link', then show some data there and close it.</p>
  
  <p>I am using 'link_to' to create 'link'.
  The part of code looks as:</p>
  
  <pre><code>&lt;%= link_to 'Display Links', :controller=&gt;'aaa', :action=&gt; 'xyz_links', ....... %&gt;
  </code></pre>