The best way of getting the largest value

Hi all,

I would be grateful if anyone is able to let me know the best way (XPath?
Recursive Template Call?) of retrieving the largest value from the <bar>
elements below, namely the value 65:

<foobars>
	<foobar>
		<foo>text1</foo>
		<bar>35</bar>
	</foobar>
	<foobar>
		<foo>text2</foo>
		<bar>23</bar>
	</foobar>
	<foobar>
		<foo>text3</foo>
		<bar>65</bar>
	</foobar>
	<foobar>
		<foo>text4</foo>
		<bar>59</bar>
	</foobar>
</foobars>


Regards,


Kaine


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