function setLayout() {
     if (document.getElementById) {
     	var txt=document.getElementById('txt');
     	txtHeight = txt.offsetHeight;
      var bod=document.getElementById('bod');
      var bb1=document.getElementById('bb1');
      var bb2=document.getElementById('bb2');
      var f=document.getElementById('f');
      bod.style.height = (txtHeight) + 'px';
      bb1.style.height = (txtHeight) + 'px';
      bb2.style.height = (txtHeight) + 'px';
      f.style.top = (txtHeight+30) + 'px';
     }
}
window.onload = function(){ setLayout(); }
window.onresize = function(){ setLayout(); }