xpath problem

<a>
<b id="new">
  <f>new</f>
  <c id="new">
     <d id="old">hi</d>
  </c>
</b>
<b id="new">
  <f>new</f>
  <c id="old">
    <d id="new">hi</d>
  </c>
</b>
<b id="old">
  <f>new</f>
  <c id="old">
    <d >new</d>
  </c>
</b>
<b id="old">
  <f>old</f>
  <c id="old">
    <d >new</d>
  </c>

</b>
</a>

<xsl:for-each select="a">
<xsl:variable name="mcid"><xsl:value-of select="@mcID"/></xsl:variable>
<xsl:value-of select="count(b[contains(new,text())])"/>

where as the below one does not give the correct value
<xsl:value-of select="count(c[contains(new,d)])"/>

what is wrong in my statement
sorry for the ignorance cause i am new to xslt stuff

Thanks
Spencer

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