accessing Java method from xslt

I searched the archives and only found one example of this and it does not 
really apply.  I am hoping someone here can help me out on this one.  I am new 
to XML but not really new to Java.
I am trying to access a method in a java file from my xslt.  Below is a snippit 
of my xml file. 

<myxml>
<RelatedId>Test11-Diagram</RelatedId>
</myxml>


Here is a snippit of my xslt file...

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
       xmlns:CollateralXML="class:../classes/xml/CollateralXML">

<xsl:template match="myxml">
<xsl:output method="html"/>
<xsl:apply-templates select="RelatedId" />
</xsl:template>

<xsl:template match="RelatedId">
        <B>Categories:</B><br/>
                <xsl:value-of select="CollateralXML:getUrl(.\),
                <br/>
</xsl:template>


I am not sure what to put in the getUrl.  I need the value of Test11-Diagram to 
be sent to the method in CollateralXML called getUrl. The method getUrl is 
static.
The only example I have run across has the values embeded in the tag and that 
is not the format I have avail to me.
Any help is appreciated.







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