matchGrow=function(){ 

     var divs,contDivs,maxHeight,divHeight,d; 

     divs=document.getElementsByTagName('div'); 

     contDivs=[];  

     maxHeight=0; 

     for(var i=0;i<divs.length;i++){ 

          if(/\bgrow\b/.test(divs[i].className)){ 

                d=divs[i]; 

                contDivs[contDivs.length]=d; 

                if(d.offsetHeight){ 

                     divHeight=d.offsetHeight; 					

                } 

                else if(d.style.pixelHeight){ 

                     divHeight=d.style.pixelHeight;					 

                } 

                maxHeight=Math.max(maxHeight,divHeight); 

          } 

     } 

     for(var i=0;i<contDivs.length;i++){ 

          contDivs[i].style.height=maxHeight + "px"; 

     } 

} 

window.onload=function(){ 

     if(document.getElementsByTagName){ 

          matchGrow();			 

     } 

}