function setH()
        {
          obj1=document.getElementById('menu');
          obj2=document.getElementById('content');
          H=Math.max(obj1.offsetHeight,obj2.offsetHeight);
          obj1.style.height=H+'px';
          obj2.style.height=H+'px';
          
          obj3=document.getElementById('testingGround');
          obj3.innerHTML='<img id="captcha" src="scripts/captcha/captcha.php?.png" alt="CAPTCHA" />';
        }
        window.onload=setH;