title: A negative value for svg attribute <width> is not allowed
body: <p>I am trying to draw two google treemaps and keep them in tabs and am getting the error:</p>
  
  <p><em>A negative value for svg attribute <code>&lt;width&gt;</code> is not allowed</em></p>
  
  <p>Only one of the treemaps is visible. I am assuming the other one is not able to finish drawing. There is no other description of the error in the console. (Google chrome). </p>
  
  <p>My code: 
  <a href="http://jsfiddle.net/tTqjr/" rel="noreferrer">http://jsfiddle.net/tTqjr/</a></p>