function GetMessageBody($msgnum, $prefer_html = true)
	{
		if ($prefer_html)
		{
			$body = $this->GetPart($msgnum, "TEXT/HTML");
			$body = $body ? $body : $this->GetPart($msgnum, "TEXT/PLAIN");
		}
		else
		{
			$body = $this->GetPart($msgnum, "TEXT/PLAIN");
			$body = $body ? $body : $this->GetPart($msgnum, "TEXT/HTML");
		}
		
		return $body;
	}