var checkMaxHeight = 54; 
 if ( parseInt(navigator.appVersion) > 3 ) {
   if ( navigator.appName == "Netscape" )
     checkMaxHeight = 30;
   else
     checkMaxHeight = 54;
  }

 if (document.getElementById('box2_1'))
   var box1h = document.getElementById('box2_1').offsetHeight;
 else
   var box1h = 0;
   
 if (document.getElementById('box2_2'))
   var box2h = document.getElementById('box2_2').offsetHeight;
 else
   var box2h = 0;           
 
 if ( box1h <= checkMaxHeight )
   box1h = 0;
   
 if ( box2h <= checkMaxHeight )
   box2h = 0;
  
    
 if ( box1h > 0 || box2h > 0 ) {
   if ( box1h > box2h ) {
     if ( box2h > 0 )
       box2h = box1h;      
   } else {
     if ( box1h > 0 )
       box1h = box2h;
   }
 }
            
 if ( box1h > 280 )
   box1h = 280;
   
 if ( box2h > 280 )
   box2h = 280;

 if (document.getElementById('box2_1') ) {
   if ( box1h > 0 ) {
	    document.getElementById('box2_1').style.height    = (box1h-30) + "px";
     document.getElementById('box2_1_bg').style.height = box1h + "px";
   } else {
	    document.getElementById('box2_1').style.display   = "none";
     document.getElementById('box2_1_bg').style.display = "none";
   }
 }
 
 if (document.getElementById('box2_2') ) {
   if ( box2h > 0 ) {
	    document.getElementById('box2_2').style.height    = (box2h-30) + "px";
     document.getElementById('box2_2_bg').style.height = box2h + "px";
   } else {
	    document.getElementById('box2_2').style.display   = "none";
     document.getElementById('box2_2_bg').style.display = "none";
   }
 }