Keyword xsl:param may not be used in namespace http://

I get this error while running on IE5.0  .
                                        
 Keyword xsl:param may not be used in   
 namespace http://www.w3.org/TR/WD-xsl  
                                        
 I downloaded and updated with latest   
 msxml3.                                
                                        
 What should be the correct namespace?  
 This error goes off if I use the       
 "http://www.w3.org/1999/XSL/Tranform"> 
 namespace...but that throws up some    
 other errors ( which did not exist     
 earlier with the WD-xsl namespace.     
                                        
 Thanks                                 
 Krishnan                               
                                        




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