XForms Image Test

<?xml version="1.0" encoding="UTF-8"?>
<!-- basic FO page definition stuff -->
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xfm="http://www.w3.org/2002/xforms" 
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:xsd="http://www.w3.org/2001/XMLSchema" >
    <head>
      <title>Group testcase</title>
      <xfm:model>
        <xfm:instance xmlns="">
          <values>
            <test>url</test>
            <show xsi:type="xsd:boolean">true</show>
          </values>
        </xfm:instance>
        <xfm:bind id="mybind" nodeset="/values/test" relevant="boolean-from-string(../show)"/>
      </xfm:model>
    </head>
    <body>
      <h2>If the checkbox is checked, the image should be visible.  Otherwise
          it will be hidden.
      </h2>
      <xfm:input ref="/values/show">
        <xfm:label>click to show/hide the image</xfm:label>
      </xfm:input>
      <xfm:group bind="mybind">
        <img src="http://www.dilbert.com/comics/dilbert/archive/images/dilbert2006203590914.gif"/>
      </xfm:group>
    </body>
</html>