Try

document() function for loading more files for example :
      <xsl:variable name="Select.Document.File1.xml" select="document
('File1.xml')"/>
      <xsl:variable name="Select.Document.File2.xml" select="document
('File2.xml')"/>


Mukul





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