[xsl] Counting problem

[aruniima.chakrabarti@xxxxxxxxxxxxxxxxxx]

Hello everyone,
 	I need count number of times a value occurs as attribute value....
i.e a value of  attribute "CAPTION"
How can I do this?? 
This my current xsl sheet which prints the value of the "CAPTION" attribute
sorted in ascending order...

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

<xsl:template match="/">
<table>

		<tr><td><b>Caption</b></td><td><b>Task Code</b></td></tr>
		<xsl:for-each
select="//Task/Labels/Label/@*[name()='CAPTION']">
			<xsl:sort select="."/>
			<xsl:if test="string-length(.) != 0">
				<xsl:if test="not(. =
preceding::Label/@CAPTION)">
					<tr bgcolor="#fffff0">
						<td><xsl:value-of
select="."/></td>
						<td><xsl:value-of
select="ancestor::*[name()='Task']/@*[name()='id']"/></td>
						<td><xsl:value-of
select="ancestor::*[name()='Task']/@*[name()='title']"/></td>
					</tr>
				</xsl:if>
			</xsl:if>
		</xsl:for-each>
			

</table>
</xsl:template>

</xsl:stylesheet>


Regards,
aruniima

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