function adjustLayout()
{
  // Get natural heights
  var cHeight = xHeight("contentbox");
  var lHeight = xHeight("leftbox");
  var rHeight = xHeight("rightbox");

  // Find the maximum height
  var maxHeight =
    Math.max(cHeight, Math.max(lHeight, rHeight));

  // Assign maximum height to all columns
  xHeight("contentbox", maxHeight);
  xHeight("leftbox", maxHeight);
  xHeight("rightbox", maxHeight);


  // Show the footer

  xShow("footerbox");
   xShow("contentbox");
    xShow("leftbox");
     xShow("rightbox");
}
window.onload = function()
{
//  xAddEventListener(window, "resize",
   // adjustLayout, false);
  adjustLayout();
}