title: Max height depending on length of parent div, or div beside it?
body: <p>Here's the problem:</p>
  
  <p><img src="https://i.stack.imgur.com/J16ri.png" alt="mockup"></p>
  
  <p>Here's what the problem looks like in my application (note, the left bottom column should go to auto scroll at the height of the left column. New data can prepend into either column at any time as well, so the regular javascript method isn't exactly a good way.):</p>
  
  <p><a href="http://i42.tinypic.com/2vbpn5g.png" rel="nofollow noreferrer">http://i42.tinypic.com/2vbpn5g.png</a></p>