function adjustLayout()
{
  // Get natural heights
  var cHeight = xHeight("content");
  var lHeight = xHeight("sidebar-a");


  // Find the maximum height
  var maxHeight = lHeight > cHeight?lHeight:cHeight;
  
  // Assign maximum height to all columns
  xHeight("content", maxHeight);
  xHeight("sidebar-a", maxHeight);


  // Show the footer
//  xShow("footer");
}
window.onload = function()
{
  xAddEventListener(window, "resize",
    adjustLayout, false);
  adjustLayout();
}