List employee files and categories

<employee id="123">
    <category id="1">
        <name>New Hire Docs</name>
        <file id="1234">
            <name>Employee handbook</name>
            <originalFileName>employee_handbook.doc</originalFileName>
            <size>23552</size>
            <dateCreated>2011-06-28 16:50:52</dateCreated>
            <createdBy>John Doe</createdBy>
            <shareWithEmployee>yes</shareWithEmployee>
        </file>
    </category>
    <category id="112">
        <name>Training Docs</name>
    </category>
</employee>