<?xml version="1.0" encoding="utf-8"?>

<!-- This file is part of the Dutch Taxonomy            -->
<!-- Intellectual Property State of the Netherlands     -->
<!-- Version NTP Version 1.1                            -->
<!-- Released by Dutch Taxonomy Project www.xbrl-ntp.nl -->
<!-- Release date Thu Mar  8 11:45:48 GMT 2007   -->
 
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  <roleRef xlink:type="simple" xlink:href="ifrs-gp-roles-2005-05-15.xsd#AccountingPolicies" roleURI="http://xbrl.iasb.org/int/fr/ifrs/gp/role/AccountingPolicies"/>
<calculationLink xlink:type="extended" xlink:role="http://xbrl.iasb.org/int/fr/ifrs/gp/role/AccountingPolicies" xlink:title="Accounting Policies" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink">
    <loc xlink:type="locator" xlink:href="ifrs-gp-2005-05-15.xsd#ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesNet" xlink:label="ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesNet"/>
    <loc xlink:type="locator" xlink:href="ifrs-gp-2005-05-15.xsd#ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesGross" xlink:label="ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesGross"/>
    <loc xlink:type="locator" xlink:href="ifrs-gp-2005-05-15.xsd#ifrs-gp_AggregateAmountOfImpactOfTaxAttributedToChangesInAccountingPolicies" xlink:label="ifrs-gp_AggregateAmountOfImpactOfTaxAttributedToChangesInAccountingPolicies"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesNet" xlink:to="ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesGross" order="1" weight="1" use="optional"/>
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ifrs-gp_AggregateAmountOfImpactOfChangesInAccountingPoliciesNet" xlink:to="ifrs-gp_AggregateAmountOfImpactOfTaxAttributedToChangesInAccountingPolicies" order="2" weight="1" use="optional"/>
  </calculationLink>
</linkbase>
