How to access user defined namespace?? urgent

[wxdqz]

I have defined my own namespace and have put at D:/vikas/xml progs/mynamespacedirectory. but when i tried"java org.apache.xalan.xslt.Process -in company.xml -xsl company1.xsl -outcompany.txt" at command line it give me the following error.file:///D:/vikas/XML progs/mynamespace/company1.xsl; Line 10; Column 93;XSLT Error (javax.xml.transform.TransformerException): mynamespace.PadStringcould anyone expalin me with sample code how to define my namespace, i havedefined as below.<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"xmlns:java="d://vikas/xml progs/mynamespace">Any help would be appreciated.Thanks ,vikas