Re: Hexadecimal Arithmetic

> The value of the level ranges from 1-10

If there really is only a fixed range, you'll probably have an easier
time with a lookup table than hex arithmetic, somethimng like


<xsl:template match="parent">
<xxx bgcolor="{document('')/xsl:stylesheet/x:colors[position() = current()/@level]}>
...

where your stylesheet has

<xsl:stylesheet ...
  xmlns:x="data:,anything">

<x:colors>#FFFFFF</x:colors>
<x:colors>#FFFFBB</x:colors>
<x:colors>#FFFF77</x:colors>
...

with whatever 10 values you want.

On the other hand, if you specify the function that maps your level
range to your required colour gradient, it would be possible....
(something for Jeni to do in an evening:-)

David


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