[xsl] xsl loop with variable

Subject: [xsl] xsl loop with variable
From: rit7esyahoo <rit7es@xxxxxxxx>
Date: Tue, 29 Oct 2002 09:22:16 +0100
Hi all:
I have the next xsl code:

  <xsl:variable name="numMonth" select="0"/>
  <xsl:variable name="lastMonth" select="00"/>

  <xsl:for-each select="listObject/object">

	<xsl:if test="not($lastMonth=substring(editionDate,4,2))">
	  <xsl:variable name="numMonth" select="$numMonth+1"/>
	Num months:<xsl:value-of select="$numMonth"/>

	<xsl:variable name="lastMonth" select="substring(editionDate,4,2)"/>


I can't make "numMonth" variable update with the correct increment out of the "if" tag, so that "Num months:" show me the correct value (until now only show '0', the original value).
How can i do that? Can anybody help me please?

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