complex line needs to be quicker

["Steve Brown" <prospect at flex dot com dot au>]

Hi,

we have a few rather complex lines of XSL that are causing the output to
slow right down to a crawl.  They are all in the same vein as the one shown
below.  Short of changing the shape of the XML is there anyway to improve
the performance on the following line:

<xsl:value-of select="/report/paymentTypes/paymentType[@id =
/report/paymentMethods/paymentMethod[@id =
current()/@paymentMethod]/@paymentTypeRef]/@bankable"/>

Thanks,

Steve.

PS XML looks a bit like..
<report>
	<data>
	<paymentMethods>
		<paymentMethod .../>
	</paymentMethods>
	<paymentTypes>
		<paymentType .../>
	</paymentTypes>
</report>


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