protected function reviseStyle( $content )
	{
		if( $this->protocol == self::PROTOCOL_HTTP )
		{
			$content	= str_ireplace( "https://", "http://", $content );
		}
		else if( $this->protocol == self::PROTOCOL_HTTPS )
		{
			$content	= str_ireplace( "http://", "https://", $content );
		}
		return $content;
	}