<?xml version="1.0" encoding="UTF-8"?>
<!--XBRL Document Modified with Ez-Viewer Version 1.0.5.8 on Thursday, October 04, 2012 05:40:56 PM -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <roleRef roleURI="http://xbrl.sec.gov/rr/role/OperatingExpensesData" xlink:type="simple" xlink:href="http://xbrl.sec.gov/rr/2010/rr-2010-02-28.xsd#OperatingExpensesData"/>
  <calculationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/rr/role/OperatingExpensesData"/>
</linkbase>
