title: highcharts: Object doesn't support this property or method IE8
body: <p>I seem to get this error in IE8 when using highcharts: Object doesn't support this property or method<br>
  In Chrome the same site works perfectly!<br>
  I dont get any errors in the Chrome debugger.   </p>
  
  <p>URL: <a href="http://63.gradernord.no" rel="nofollow">http://63.gradernord.no</a></p>
  
  <p>Does somebody have any idea why?</p>