Thanks, Don!

>  <xsl:variable name="TotalSum" select="sum(AAA/BBB[string(number(.))
!='NaN'])" />
>
>This sums all AAA/BBB that are numeric (whose "number()" value is not 'NaN')

That summed it up nicely!

Lindy


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list