function doFix() {
  h1 = document.getElementById("menu").offsetHeight;
  h2 = document.getElementById("content").offsetHeight;
  h3 = document.getElementById("rightbar").offsetHeight;
  if (h1 > h2 && h1 > h3) h = h1;
  if (h2 > h1 && h2 > h3) h = h2;
  if (h3 > h1 && h3 > h2) h = h3;
  // alert(h2);
  document.getElementById("menu").style.height = h+"px";
  document.getElementById("content").style.height = h+"px";
  document.getElementById("rightbar").style.height = h+"px";
  document.getElementById("bottombar").style.top = (h + 143)+"px";
  //  alert(document.getElementById("menu").style.height);
}
doFix();