how to add the comments in side bar of blogger?

this is realy a cool trick add your comments in side bar and impress your viewers

<script style="text/javascript" src="http://tamil10.com/jss/comments.js"></script><script style="text/javascript">var a_rc=5;var m_rc=true;var n_rc=true;var o_rc=100;</script><script src="http://yoursite.blogspot.com/feeds/comments/default?alt=json-in-script&callback=showrecentcomments"></script>

righ just copy the above code and change the yoursite to yourblog name and paste in your blog.now all your comments will be visible in the left or t side bar .thanks tamil10.com