<c:set var="showEmptyCheckbox" value="true"/>
<dsp:droplet name="AddressBookContactLookUpDroplet">
    <dsp:setvalue param="contactGroupDetails" paramvalue="element" />
    <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: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>