two column table with alternating row colors using xsl

Well I finally got it! Thanks for everyones input. Here is the xsl:
Eric


<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:fmp="http://www.filemaker.com/fmpdsoresult"
exclude-result-prefixes="fmp">
<xsl:output method="html" version="1.0" encoding="UTF-8" indent="yes" />
<xsl:template match="fmp:FMPDSORESULT">
<style>
.col1r0 { background-color: silver; color: black; width: 200;}
.col1r1 { color: gray; width: 75;}
.col2r0 { color: gray; width: 75;}
.col2r1 { background-color: silver; color: black; width: 200;}
</style>
<table>
<xsl:variable name="all_rows" select="fmp:ROW" />
<xsl:variable name="total" select="count($all_rows)" />
<xsl:for-each select="$all_rows[position() &lt;= ceiling($total div 2)]">
<xsl:sort select="fmp:Co" />
<tr>
<td class="col1r{position() mod 2}">
<b><xsl:value-of select="fmp:Co" /></b><br />
<xsl:value-of select="fmp:Address1" /><br />
<xsl:value-of select="fmp:City1" />, <xsl:value-of select="fmp:State1" />,
<xsl:value-of select="fmp:Zip1" />
<br />
<a>
<xsl:attribute name="href">javascript:var win =
window.open("http://<xsl:value-of select="fmp:WebPage" />")
</xsl:attribute>
<xsl:value-of select="fmp:WebPage" />
</a>
</td>
<td class="col1r{position() mod 2}">
<xsl:choose>
<xsl:when test="fmp:Phone1_Number">
(<xsl:value-of select="fmp:Phone1_Area_Code" />)
<xsl:value-of select="fmp:Phone1_Number" />
<br />
</xsl:when>
<xsl:otherwise>
</xsl:otherwise>
</xsl:choose>
</td>
<xsl:variable name="this_pos" select="position()" />
<xsl:variable name="next_item" select="$all_rows[$this_pos + floor($total
div 2)]" />
<td class="col2r{position() mod 2}">
<xsl:choose>
<xsl:when test="$next_item">
<b><xsl:value-of select="$next_item/fmp:Co" /></b><br />
<xsl:value-of select="$next_item/fmp:Address1" /><br />
<xsl:value-of select="$next_item/fmp:City1" />, <xsl:value-of
select="$next_item/fmp:State1" />, <xsl:value-of
select="$next_item/fmp:Zip1" />
<br />
<a>
<xsl:attribute name="href">javascript:var win =
window.open("http://<xsl:value-of select="$next_item/fmp:WebPage" />")
</xsl:attribute>
<xsl:value-of select="$next_item/fmp:WebPage" />
</a>
</xsl:when>
<xsl:otherwise>&#160;</xsl:otherwise>
</xsl:choose>
</td>
<td class="col2r{position() mod 2}">
<xsl:choose>
<xsl:when test="$next_item/fmp:Phone1_Number">
(<xsl:value-of select="$next_item/fmp:Phone1_Area_Code" />)
<xsl:value-of select="$next_item/fmp:Phone1_Number" />
<br />
</xsl:when>
<xsl:otherwise>
</xsl:otherwise>
</xsl:choose>
</td>
</tr>
</xsl:for-each>
</table>
</xsl:template>
</xsl:stylesheet>

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