[xsl] defining a key

[Osman Çınar Eren <Cinar.Eren@xxxxxxxxxxxxx>]

hi,

can you help me on defining an XSL key?
my problem is:
in the XSL file if i write:

      <xsl:for-each select="$muhkodlar/dovizler[key='USD']">
		write the items
	</xsl:for-each>

write the items whose key values are equal to 'USD'.

however if i try to use Muenchian Method,

<xsl:key name="dkey" match="dovizler" use="key"/>
<xsl:for-each select="$muhkodlar/dovizler[generate-id(.) =
generate-id(key('dkey', 'USD'))]">
list the items
</xsl:for-each>

does not group the items whose key values are 'USD'.
So i think i have a problem in defining the key. By the way $muhkodlar is a
nodeset which contains elements such as:
<value>
	<dovizler>
		<key>USD</key>
		<value>
		<v1>100</v1>
		</value>
	</dovizler>
	.
	.
	.
</value>

what am i missing?

thanks in advance.
best regards.