>         <xsl:variable name="k" select="$s mod 1" />
>         k = <xsl:value-of select="$i" /><br />
> 
>         <xsl:variable name="i" select="$s - $k" />

You can't refer to a local variable before it's declared.

I think the second line above was meant to read

>         k = <xsl:value-of select="$k" /><br />

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 


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