title: Colgroup tag not working in IE8
body: <p>I am trying to create a data table, where I am facing few issues with styling. </p>
  
  <p>1) I am trying to apply alternating row to TR which is not firing.</p>
  
  <p>Is there any way to apply the alternating style without passing the class to all the TD's<br>
  with in each TR..?</p>
  
  <p>2) Colgroup is working in IE8, particularly with alignment 
     (cols=A&amp;SI Capital Allocation,  Cap Var, A&amp;SI Expense Allocation, Exp Var)</p>
  
  <p>Is there any way to apply fix this issue</p>
  
  <p>Here is the code: <a href="http://jsfiddle.net/yvJ75/1/" rel="nofollow">http://jsfiddle.net/yvJ75/1/</a></p>