sending a parameter from cmd line to template match

Hi,
    I wanted to send an external paramater to the the template to create
dynamic matching

        <xsl:param name="element" select="'default'"/>
        <xsl:template match="{$element}">

but I get a TransformerException Error : illegal tokens $

is there a better way to dynamically populate the 'match' attribute of
template??

cheers

-Ade

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