function refreshcoll()
{
    if (document.getElementById)
    {

   if (document.getElementById('colThree') && document.getElementById('colOne'))    
        { 
                    var colOneElement = document.getElementById('colOne');   
                    var colTwoElement = document.getElementById('colTwo');
                    var colThreeElement = document.getElementById('colThree');
                    var contensHeight = document.getElementById('contens').offsetHeight;
                    
                    if (contensHeight >= 470)    
                    { 
                    colOneElement.style.height = (contensHeight)+ 'px';
                    colTwoElement.style.height = (contensHeight)+ 'px';
                    colThreeElement.style.height = (contensHeight)+ 'px';
                    }

                    if (contensHeight < 470)    
                    {                     
                    colOneElement.style.height = (470)+ 'px';
                    colTwoElement.style.height = (470)+ 'px';
                    colThreeElement.style.height = (470)+ 'px';
                    }
                    

    
        }
  
    
    else
           {
                //alert("DOM script run, no divs pressent. colTwo is ="+colTwoWidth);  
           }
 

     //  if (document.getElementById('footer'))
     //   {
            
     //   document.getElementById('footer').style.cssFloat = 'left';
     //   }
 }
}