function correctHeight()
{
 // make sure that left bar is just as high as content.

 var height1 = document.getElementById('leftarea').offsetHeight;
 var height2 = document.getElementById('pageContentOuter').offsetHeight;
 if (height1 > height2)
 {
  document.getElementById('pageContentOuter').style.height = height1;
 }
 else
 {
  document.getElementById('leftarea').style.height = height2;
 }
}