function imposeMaxLength(e, object, maxLen)
    {    
        switch (e.keyCode)
                {
                case 37: // left  
                    return true;  
  
                case 38: // up  
                    return true;  
  
                case 39: // right  
  
return true;  
  
                case 40: // down  
  
return true;  
  case 46: // delete  
  
return true; 

                case 8: //backspace
            return true;
        }
        return (object.value.length <= maxLen);
    }