[xsl] How to apply a xpath value in one XML to access the relevant XML for binding the data in XSL

[Sanjaya Liyanage <sanjayacl@xxxxxxxxx>]

Hi all,
   I want to access one XML which has a xpath of another XML where I
should bind data in XSL.

test.xml

<button >
<id>btn1</id>
<x>225</x>
<y>450</y>
<paths>document('a.xml')/catalog/title</paths>
</button>

a.xml

<catalog>
<title>History</title>
<year>1987</year>
<catalog>

My target XSL which produces output correctly

   <xsl:for-each select="button">
   <button id="{id}" type="button"
style="position:fixed;top:{y}px;left:{x}px;">
   <xsl:value-of select="document('a.xml')/catalog/title"/>
   </button>
   </xsl:for-each>

My current XSL which gives wrong output which is the path as the value
of the button


   <xsl:for-each select="button">
   <button id="{id}" type="button"
style="position:fixed;top:{y}px;left:{x}px;">
   <xsl:value-of select="path"/>
   </button>
   </xsl:for-each>

How can I achieve my target?Any ideas are welcome.Thank you.

Sanjaya Liyanage