$.getJSON("removerequest.htm",{ ids: selectedString }, function(data){
                $('#removerequestdiv').text('');

                $('#removerequestdiv').append('<select id="addedList" multiple="multiple" size="10">');
                for(var index in data){
                    $('#removerequestdiv').append('<option value="' + data[index].id + '">' + data[index].voornaam + data[index].familienaam + '</option>');
                }
                $('#removerequestdiv').append('</select>');
            });
        }