public function group($Name, $Options = null)
    {
    
        if (!$Name) {
            throw $this->newException('You must specify a label for the group!');
        }
        
        if ($Options) {
            if (!is_array($Options)) {
                throw $this->newException('Options must be defined as an array!');
            }
            if (array_key_exists('Collapsed', $Options)) {
                $Options['Collapsed'] = ($Options['Collapsed'])?'true':'false';
            }
        }
        
        return $this->fb(null, $Name, FirePHP::GROUP_START, $Options);
    }