여분 필드 쪼개기

<?php
 $take_wr2 = explode('|',$wr_2); //$wr_2
 $take_wr2x = explode(',',$take_wr2[1]);//$wr_2x
?>

<script>

var od_buga_1_m="";
if (f.od_buga_1.checked) {
    od_buga_1_m =f.od_buga_1.value;
}
var od_buga_2_m="";
if (f.od_buga_2.checked) {
    od_buga_2_m =f.od_buga_2.value;
}

var od_buga_3_m="";
if (f.od_buga_3.checked) {
    od_buga_3_m =f.od_buga_3.value;
}


var od_buga_4_m="";
if (f.od_buga_4.checked) {
    od_buga_4_m =f.od_buga_4.value;
}

 

document.fwrite.wr_2.value= f.od_buga_1.value + '|'+ od_buga_1_m +','+ od_buga_2_m +','+ od_buga_3_m +','+ od_buga_4_m;
</script>    
<tr>
                                <th>채널</th>
                                <td>
                                    <input type="checkbox" name="od_buga_1" id="od_buga_1" value="디멘"   <?php if($take_wr2[0]=="디멘"){?> checked="checked" <?php }?>>
                                    <label for="od_buga_1">멘드</label>

                                    <input type="checkbox" name="od_buga_2" id="od_buga_2" value="스파" <?php if($take_wr2[1]=="스파"){?> checked="checked" <?php }?>>
                                    <label for="od_buga_2">스파</label>

                                    <input type="checkbox" name="od_buga_3" id="od_buga_3" value="미드"  <?php if($take_wr2[2]=="미드"){?> checked="checked" <?php }?>>
                                    <label for="od_buga_3">미드)</label> </td>


                            </tr>

                            <tr>
                                <th>서비스</th>
                                <td><input type="checkbox" name="od_buga_4" id="od_buga_4" value="유해차단" onclick="od_buga_004(this);" <?php if($take_wr2x[0]=="유해차단"){?> checked="checked"<?php }?>>
                                    <label for="od_buga_4">유해차단</label>
                                     </td>
                            </tr>