Reading recursive from a list

Hello,

I am wondering how I would be able to do this in XSLT 1.0 or 2.0, if
possible at all:

I have a list of animals as a separate XML file:

<UnitInfos>
	<Type>UNIT_LION</Type>
	<Type>UNIT_BENGALTIGER</Type>
	<Type>UNIT_SIBERIANTIGER</Type>
</UnitInfos>


In my XSLt I would like it to grab the first animal from the list and
check a bigger list for this three type of animals and copy the unit
that is equal to that Type in the list to the output file.

I would be making an XSLT like this:

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:f="ANIMALS"
exclude-result-prefixes="f">

	<xsl:template match="f:???????">
		<xsl:copy>
			<xsl:apply-templates select="@*|node()"/>
		</xsl:copy>
	</xsl:template>

</xsl:stylesheet>


How would I tell, go and check in that XMl file in that list and grab
the values for the match case ?
I could also put the list inside the same XSLT if its possible and makes
things easier? I have no idea how to do that recursively so that all
List would be checked through.

Any Idea?
Many Thanks
Houman

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