How to vertically center text and image?

[email protected] Wed, 26 Mar 2003 14:22:31 +0100

Newsgroups	gmane.text.xml.xsl.general
Organization	Classic
Message-ID	<[email protected]>

Hi,

my text is smaller as image,
how can i vertically center the text?
Example:
     .........
Text . Image . Text
     .........

but not

Text ......... Text
     . Image .
     .........

     
<fo:inline>
   <fo:inline> Text </fo:inline>
   <fo:external-graphic src="www.bmp"/>
   <fo:inline> Text </fo:inline>
</fo:inline>


Thanks