Counting children in MSXML

I am using MS's XML/XSL engine, and I need to test
the existence of children elements of a element being
matched in a template, as follows:

<SECTION>
	<ELEMENT>1</ELEMENT>
	<ELEMENT>2</ELEMENT>
	<ELEMENT>3</ELEMENT>
	<ELEMENT>4</ELEMENT>
	...
</SECTION>

...
<xsl:template match="SECTION">
	<xsl:if test="there are element's in this section">
	...
	</xsl:if>
</xsl:template>

I suppose this test could also be made in the apply templates
line:

Thanks in advance,
j
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