Accessing nodes via variables

Hello there,

I need to access nodes using variable names, for example:

<xsl:variable name="blah" select="@node"/>
.
.
.
<xsl:value-of select="$blah"/>

>From what I've read, I can use evaluate() from Xalan's extensions. Only
problem is when I set up the xmlns on the top via:

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xalan="http://xml.apache.org/xalan">

I get the following error:
"The URI http://xml.apache.org/xalan does not identify an external Java
class."

Any idea on what this is and how to go about fixing it?

Thanks.

Manish



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