var isIE5=navigator.userAgent.toUpperCase().indexOf("MSIE 5")!=-1;

        function adjustHeight() {
            var newHeight;
            var oldHeight; 
           
            if  (document.getElementById("reservation")!=null)
            { 
               if  (document.getElementById("reservation").clientHeight >  document.getElementById("content").clientHeight )
               {
                 oldHeight = document.getElementById("reservation").clientHeight ;
                 
               }
               else
               {
                 oldHeight = document.getElementById("content").clientHeight ;
               }
            }         
            else
             {
                 oldHeight = document.getElementById("content").clientHeight ;
             }
             
                                                  
            if (document.getElementById("content").clientHeight == 0) 
            {
                   newHeight = 1020;  
            } 
            else if (document.getElementById("content").clientHeight > 200)
            {    
                newHeight = oldHeight + 400;
            }
            else
            {
                newHeight = 700;
           }    
            document.getElementById("centered").style.height = newHeight + 'px' ;
        }