        <xxforms:script ev:event="xforms-enabled" ev:target="#observer">YAHOO.xbl.fr.Currency.instance(this).init();</xxforms:script>
                                <xxforms:script ev:event="xforms-disabled" ev:target="#observer">YAHOO.xbl.fr.Currency.instance(this).destroy();</xxforms:script>
                                <xforms:group appearance="xxforms:internal" xxbl:scope="inner">
                                    <xxforms:variable name="result" as="node()?">
                                      