<fieldset data-role="controlgroup" data-mini="true">
                    <legend>Select Pill Types</legend>
                    <input name="checkbox-v-6a" id="checkbox-v-6a" type="checkbox" class="pillselect" value="a">
                    <label for="checkbox-v-6a">Multivitamins</label>
                    <input name="checkbox-v-6b" id="checkbox-v-6b" type="checkbox" class="pillselect" value="b">
                    <label for="checkbox-v-6b">Calcium</label>
                    <input name="checkbox-v-6c" id="checkbox-v-6c" type="checkbox" class="pillselect" value="c">
                    <label for="checkbox-v-6c">Omega-3</label>
                </fieldset>

$('#dispense').click(function(){
                        var selectA =$('#checkbox-v-6a').is(':checked');
                        var selectB =$('#checkbox-v-6b').is(':checked');
                        var selectC =$('#checkbox-v-6c').is(':checked'); });

case (selectA and selectB and selectC)
    dispense=  dispense1
case (selectA and selectB and !selectC)
    dispense= dispense2