// JavaScript Document

function adjustLayout()
{
  // Get natural heights
  var lHeight = xHeight("lefttext");
  var rHeight = xHeight("righttowns");
  
  // Find the maximum height
  var maxHeight = Math.max(lHeight, rHeight);
  
  // Assign maximum height to mainarea
  xHeight("mainarea", maxHeight);
    
}
window.onload = function()
{
  xAddEventListener(window, "resize", adjustLayout, false);
  adjustLayout();
}