public String hyperlinkFundraisingSummary_action() {
String stylesheet = "/xml/VolunteerSummaryContribution.fo";
// create the xml document
VolunteerSummaryFundraisingXmlReport report = new VolunteerSummaryFundraisingXmlReport(yearSelection);
Document doc = report.getXmlDocument();
try {
displayDocument(doc, stylesheet);
} catch (XSLTransformException ex) {
error(ex.getLocalizedMessage());
}