built in templates question

Hello all

I have a problem trying to overwrite the built-in
templates. I have the following XML file:

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="applyXSL.xsl"?>

<manifest>
  <heading1>Module Geology</heading1>
  <heading2>
    Course Information
    <sub resource="Geo101_readings.doc">Reading
List</sub>
    <sub
resource="Geo101_syllabus2.doc">Syllabus</sub>
    <sub resource="Geo101_schedule.doc">Schedule</sub>
  </heading2>
  <heading2 resource="geology_101.htm">"Geology
101"</heading2>
  <heading3 resource="minerals.htm">
    "Minerals"
    <sub resource="elements.htm">"Class I"</sub>
    <sub resource="sulfides.htm">"Class II"</sub>
    <sub resource="halides.htm">"Class III"</sub>
    <sub resource="oxides.htm">"Class IV"</sub>
    <sub resource="carbonates.htm">"Class V"</sub>
    <sub resource="sulfates.htm">"Class VI"</sub>
    <sub resource="phosphates.htm">"Class VII"</sub>
    <sub resource="silicates.htm">"Class VIII"</sub>
    <sub resource="organic.htm">"Class IX"</sub>
  </heading3>
  <heading3 resource="rocks.htm">
    "Rocks"
    <sub resource="igneous.htm">"Igneous"</sub>
    <sub resource="sedimentary.htm">"Sedimentary
Rocks"</sub>
    <sub
resource="metamorphic.htm">"Metamorphic"</sub>
  </heading3>
  <heading2>
    Rocks
    <sub resource="Rock_intro.doc">Rock
Introduction</sub>
    <sub resource="Rock_lecture.doc">Rock Lecture
1</sub>
    <sub resource="Rock_lecture.ppt">Rock Lecture
2</sub>
  </heading2>
  <heading2>
    Minerals
    <sub resource="Mineral_intro.doc">Minerals
Introduction</sub>
    <sub resource="Mineral_lecture.doc">Mineral
Lecture 1</sub>
    <sub resource="Mineral_lecture.ppt">Mineral
Lecture 2</sub>
  </heading2>
</manifest>

I have applied the following XSLT:

<?xml version="1.0"?>

<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">

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

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

<xsl:template match="heading1"> 
     <h3><xsl:value-of select="."/></h3>
<!--     <xsl:apply-templates select="heading2"/>-->
</xsl:template>

<xsl:template match="heading2"> 
  <xsl:choose>
  <xsl:when test = "@resource">
    <a href="{@resource}">
    <xsl:value-of select="."/>
  </a>
  </xsl:when>
  <xsl:otherwise>
   <xsl:value-of select="."/><br/>
  </xsl:otherwise>
 </xsl:choose>
 <xsl:apply-templates select="heading3"/>
 <xsl:apply-templates select="sub"/>
</xsl:template>     

<xsl:template match="heading3">
 <xsl:choose>
  <xsl:when test = "@resource">
    <a href="{@resource}">
    <xsl:value-of select="."/>
   </a>
  </xsl:when>
  <xsl:otherwise>
   <xsl:value-of select="."/><br/>
  </xsl:otherwise>
 </xsl:choose>
 <xsl:apply-templates select="heading4"/>
 <xsl:apply-templates select="sub"/>
</xsl:template>

<xsl:template match="heading4">
 <xsl:value-of select="."/>
 <xsl:apply-templates select="sub"/>
</xsl:template>

<xsl:template match="sub">
 <ul><li><a href="{@resource}">
 <xsl:attribute name="target">blank</xsl:attribute>
 <xsl:attribute
name="style">text-decoration:none</xsl:attribute>
 <font size="2.3" color="#228800">
 <xsl:value-of select="."/></font>
 </a></li></ul>
</xsl:template>

</xsl:stylesheet>

And here is the output I am getting:

Module Geology

Course Information Reading List Syllabus Schedule 

 - Reading List
 - Syllabus
 - Schedule
"Geology 101" "Minerals" "Class I" "Class II" "Class
III" "Class IV" "Class V" "Class VI" "Class VII"
"Class VIII" "Class IX" 
 - "Class I"
 - "Class II"
 - "Class III"
 - "Class IV"
 - "Class V"
 - "Class VI"
 - "Class VII"
 - "Class VIII"
 - "Class IX"
"Rocks" "Igneous" "Sedimentary Rocks" "Metamorphic" 
 - "Igneous"
 - "Sedimentary Rocks"
 - "Metamorphic"
Rocks Rock Introduction Rock Lecture 1 Rock Lecture 2 

 - Rock Introduction
 - Rock Lecture 1
 - Rock Lecture 2
Minerals Minerals Introduction Mineral Lecture 1
Mineral Lecture 2 

 - Minerals Introduction
 - Mineral Lecture 1
 - Mineral Lecture 2

I would appreciate if someone could tell me how I can
prevent the data from the sub-elements being output
when I don't need it. 

Also, I would like to be able to present the output in
the form of a navigation menu where the sub elements
could be contained in a folder, which would open when
clicked on, which I assume would involve using
javascript. I haven't used js before so any advice on
how I should approach this would also be appreciated. 

Brian




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