<c:set var="showEmptyCheckbox" value="true"/>
<dsp:droplet name="AddressBookContactLookUpDroplet">
    <dsp:setvalue param="contactGroupDetails" paramvalue="element" />
    <dsp:oparam name="output">
        <dsp:droplet name="ForEach">
            <dsp:param name="array" param="contactGroupDetails.groups"/>
            <dsp:param name="elementName" value="contactGroup"/>
            <dsp:oparam name="output">
                <dsp:droplet name="Compare">
                    <dsp:param name="obj1" param="contactGroup.repositoryId"/>
                    <dsp:param name="obj2" param="group.repositoryId"/>
                    <dsp:oparam name="equal">
                        y<input
                            ${disabledAttribute}
                            type="checkbox" name="groupsSelected"
                            value="<dsp:valueof param="group.repositoryId"/>"
                            id="group<dsp:valueof param="group.repositoryId"/>"
                            checked="checked"/>
                    <c:set var="showEmptyCheckbox" value="false"/>
                    </dsp:oparam>
                </dsp:droplet>
            </dsp:oparam>
        </dsp:droplet>
    </dsp:oparam>
</dsp:droplet>

<c:if test="${showEmptyCheckbox}" >
    x<input
        ${disabledAttribute}
        type="checkbox" name="groupsSelected"
        value="<dsp:valueof param="group.repositoryId"/>"
        id="group<dsp:valueof param="group.repositoryId"/>" />
</c:if>