xslt element creation within list

xslt_listoflinks_addingclasses.xslt

<xsl:for-each select="main_menu/menu_item[position() &lt;= 4]">
  <!-- using xsl:element here so I can add classes easily -->
  <xsl:element name="li">
	   <xsl:choose>								
		<xsl:when test="page_name = 'index2'">
			<xsl:attribute name="class">active</xsl:attribute>
		</xsl:when>									
		<xsl:when test="position() = last()">
			<xsl:attribute name="class">noMargin</xsl:attribute>
		</xsl:when>			
	</xsl:choose>
	<xsl:element name="a">
	     <xsl:attribute name="href">/<xsl:value-of select="page_name" disable-output-escaping="yes" />.htm</xsl:attribute>
	     <xsl:attribute name="title"><xsl:value-of select="title" disable-output-escaping="yes" /></xsl:attribute>
	     <xsl:value-of select="name" disable-output-escaping="no" />
	</xsl:element>
  </xsl:element>						
</xsl:for-each>