title: Pin down a div with css or javascript?
body: <p>I'll try to give an example before I say more clearly about my question, here is the site:
  <a href="http://webdesignerwall.com" rel="nofollow">http://webdesignerwall.com</a></p>
  
  <p>I just want to program like this, make the left content can slide vertically when I drag  the scrollbar or make the left and right content is fixed, the center content can slide up and down just look like this:</p>
  
  <p><a href="http://mondaybynoon.com" rel="nofollow">http://mondaybynoon.com</a></p>
  
  <p>Any idea how to do it with css or jquery?</p>