getting xsl:with-param to work

Hi,
    Iam having difficulty gettings params to be passed to my templates
using xsl:with-param.

Iam using oracle xml parser v2.

This is what I get

Message: campus caller
Message: student person
Message: campus caller

bar.xsl


<xsl:template match="/school">
<xsl:apply-templates />
</xsl:template>

<xsl:template match="/student">
<xsl:message>student <xsl:value-of select="@name"/></xsl:message>

<xsl:apply-templates>
<xsl:with-param name="caller" select="@name"/>
</xsl:apply-templates>

</xsl:template>

<xsl:template match="campus">
<xsl:param name="caller" />
<xsl:message>campus caller<xsl:value-of select="$caller"/></xsl:message>
</xsl:template>

</xsl:stylesheet>

foo.xml

<?xml version="1.0" encoding="UTF-8"?>
<school>
  <student name="person">
    <campus>
        <student name="name" type="ps:data"/>
        <student name="course">
          <campus>
           <student name="course_name" type="ps:data"/>
           <student name="start_date" type="resident"/>
           <student name="coursedur">
          <enrolled>
          </enrolled>
           </student>
          </campus>
        </student>
    </campus>
  </student>
</school>


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