첨부파일 이미지처럼 저런식으로 체크박스가 있는데요.

이 체크박스를 원하는것은 이미 체크가 되어있게 만들고 싶습니다.

물론 체크해제도 되어야하구요...

해당체크박스 소스는 아래입니다.

답변주시면 감사하겠습니다 ( _ _ )



<td height="30" colspan="9">옵션정보</td>
    </tr>
      <tr><td colspan=11 height=1 bgcolor=#e7e7e7></td></tr>
  <tr>
    <td align="left" class=write_head><img src="<?=$board_skin_path?>/img/icon_15.gif" width="11" height="11">&nbsp;난방시설</td>
<td colspan="-1" align="left" ><input type="checkbox" name="ext1_00"  value="도시가스" <?if(preg_match("/도시가스/", $write['wr_1'])) echo 'checked';?>><label for="ext1_00">도시가스</label></td>
<td align="left" ><input type="checkbox" name="ext1_01"  value="LPG" <?if(preg_match("/LPG/", $write['wr_1'])) echo 'checked';?>><label for="ext1_01">LPG</label></td>
<td align="left" ><input type="checkbox" name="ext1_02"  value="심야" <?if(preg_match("/심야/", $write['wr_1'])) echo 'checked';?>><label for="ext1_02">심야</label></td>
<td align="left" ><input type="checkbox" name="ext1_03"  value="전기판넬" <?if(preg_match("/전기판넬/", $write['wr_1'])) echo 'checked';?>><label for="ext1_03">전기판넬</label></td>
<td align="left" ><input type="checkbox" name="ext1_04"  value="기름" <?if(preg_match("/기름/", $write['wr_1'])) echo 'checked';?>><label for="ext1_04">기름</label></td>
<td align="left" >&nbsp;</td>
<td align="left" >&nbsp;</td>
<td align="left" >&nbsp;</td>
    </tr>
      <tr>
    <td align="left" class=write_head><img src="<?=$board_skin_path?>/img/icon_15.gif" width="11" height="11">&nbsp;가구</td>
    <td colspan="-1" align="left" ><input type="checkbox" name="ext1_05"  value="붙박이장" <?if(preg_match("/붙박이장/", $write['wr_1'])) echo 'checked';?>><label for="ext1_05">붙박이장</label></td>
<td align="left" ><input type="checkbox" name="ext1_06"  value="옷장" <?if(preg_match("/옷장/", $write['wr_1'])) echo 'checked';?>><label for="ext1_06">옷장</label></td>
<td align="left" ><input type="checkbox" name="ext1_07"  value="신발장" <?if(preg_match("/신발장/", $write['wr_1'])) echo 'checked';?>><label for="ext1_07">신발장</label></td>
<td align="left" ><input type="checkbox" name="ext1_08"  value="침대 " <?if(preg_match("/침대/", $write['wr_1'])) echo 'checked';?>><label for="ext1_08">침대 </label></td>
<td align="left" ><input type="checkbox" name="ext1_09"  value="서랍장" <?if(preg_match("/서랍장/", $write['wr_1'])) echo 'checked';?>><label for="ext1_09">서랍장</label></td>
<td align="left" ><input type="checkbox" name="ext1_10"  value="책상" <?if(preg_match("/책상/", $write['wr_1'])) echo 'checked';?>><label for="ext1_10">책상</label></td>
<td align="left" ><input type="checkbox" name="ext1_11"  value="의자" <?if(preg_match("/의자/", $write['wr_1'])) echo 'checked';?>><label for="ext1_11">의자</label></td>
<td align="left" >&nbsp;</td>
      </tr>
      <tr>
    <td align="left" class=write_head><img src="<?=$board_skin_path?>/img/icon_15.gif" width="11" height="11">&nbsp;가전</td>
    <td colspan="-1" align="left" ><input type="checkbox" name="ext1_12"  value="TV" <?if(preg_match("/TV/", $write['wr_1'])) echo 'checked';?>><label for="ext1_12">TV</label></td>
<td align="left" ><input type="checkbox" name="ext1_13"  value="냉장고" <?if(preg_match("/냉장고/", $write['wr_1'])) echo 'checked';?>><label for="ext1_13">냉장고</label></td>
<td align="left" ><input type="checkbox" name="ext1_14"  value="세탁기" <?if(preg_match("/세탁기/", $write['wr_1'])) echo 'checked';?>><label for="ext1_14">세탁기</label></td>
<td align="left" ><input type="checkbox" name="ext1_15"  value="에어컨" <?if(preg_match("/에어컨/", $write['wr_1'])) echo 'checked';?>><label for="ext1_15">에어컨</label></td>
<td align="left" ><input type="checkbox" name="ext1_16"  value="전자레인지" <?if(preg_match("/전자레인지/", $write['wr_1'])) echo 'checked';?>><label for="ext1_16">전자레인지</label></td>
<td align="left" ><input type="checkbox" name="ext1_17"  value="엘리베이터" <?if(preg_match("/엘리베이터/", $write['wr_1'])) echo 'checked';?>><label for="ext1_17">엘리베이터</label></td>
<td align="left" >&nbsp;</td>
<td align="left" >&nbsp;</td>
      </tr>
      <tr>
    <td align="left" class=write_head><img src="<?=$board_skin_path?>/img/icon_15.gif" width="11" height="11">&nbsp;주방/욕실</td>
    <td colspan="-1" align="left" ><input type="checkbox" name="ext1_18"  value="가스렌지" <?if(preg_match("/가스렌지/", $write['wr_1'])) echo 'checked';?>><label for="ext1_18">가스렌지</label></td>
<td align="left" ><input type="checkbox" name="ext1_19"  value="싱크대" <?if(preg_match("/싱크대/", $write['wr_1'])) echo 'checked';?>><label for="ext1_19">싱크대</label></td>
<td align="left" ><input type="checkbox" name="ext1_20"  value="비데" <?if(preg_match("/비데/", $write['wr_1'])) echo 'checked';?>><label for="ext1_20">비데</label></td>
<td align="left" ><input type="checkbox" name="ext1_21"  value="샤워부스" <?if(preg_match("/샤워부스/", $write['wr_1'])) echo 'checked';?>><label for="ext1_21">샤워부스</label></td>
<td align="left" ><input type="checkbox" name="ext1_22"  value="식기세척기" <?if(preg_match("/식기세척기/", $write['wr_1'])) echo 'checked';?>><label for="ext1_22">식기세척기</label></td>
<td align="left" >&nbsp;</td>
<td align="left" >&nbsp;</td>
<td align="left" >&nbsp;</td>
      </tr>
      <tr>
    <td align="left" class=write_head><img src="<?=$board_skin_path?>/img/icon_15.gif" width="11" height="11">&nbsp;보안</td>
    <td colspan="-1" align="left" ><input type="checkbox" name="ext1_23"  value="현관번호키스" <?if(preg_match("/현관번호키/", $write['wr_1'])) echo 'checked';?>><label for="ext1_24">현관번호키</label></td>
<td align="left" ><input type="checkbox" name="ext1_24"  value="방번호키" <?if(preg_match("/방번호키/", $write['wr_1'])) echo 'checked';?>><label for="ext1_24">방번호키</label></td>
<td align="left" ><input type="checkbox" name="ext1_25"  value="CCTV" <?if(preg_match("/CCTV/", $write['wr_1'])) echo 'checked';?>><label for="ext1_25">CCTV</label></td>
<td align="left" ><input type="checkbox" name="ext1_26"  value="인터폰" <?if(preg_match("/인터폰/", $write['wr_1'])) echo 'checked';?>><label for="ext1_26">인터폰</label></td>
<td align="left" ><input type="checkbox" name="ext1_27"  value="비디오폰" <?if(preg_match("/비디오폰/", $write['wr_1'])) echo 'checked';?>><label for="ext1_27">비디오폰</label></td>
<td align="left" ><input type="checkbox" name="ext1_04"  value="경비실" <?if(preg_match("/경비실/", $write['wr_1'])) echo 'checked';?>><label for="ext1_28">경비실</label></td>
<td align="left" >&nbsp;</td>
<td align="left" >&nbsp;</td>
      </tr>
      <tr>
    <td align="left" class=write_head><img src="<?=$board_skin_path?>/img/icon_15.gif" width="11" height="11">&nbsp;기타</td>
    <td colspan="-1" align="left" ><input type="checkbox" name="ext1_29"  value="교육시설" <?if(preg_match("/교육시설/", $write['wr_1'])) echo 'checked';?>><label for="ext1_29">교육시설</label></td>
<td align="left" ><input type="checkbox" name="ext1_30"  value="경찰서" <?if(preg_match("/경찰서/", $write['wr_1'])) echo 'checked';?>><label for="ext1_03">경찰서</label></td>
<td align="left" ><input type="checkbox" name="ext1_31"  value=" 스포츠센터" <?if(preg_match("/ 스포츠센터/", $write['wr_1'])) echo 'checked';?>><label for="ext1_31"> 스포츠센터</label></td>
<td align="left" ><input type="checkbox" name="ext1_32"  value="할인마트" <?if(preg_match("/할인마트/", $write['wr_1'])) echo 'checked';?>><label for="ext1_32">할인마트</label></td>
<td align="left" ><input type="checkbox" name="ext1_33"  value="백화점" <?if(preg_match("/백화점/", $write['wr_1'])) echo 'checked';?>><label for="ext1_33">백화점</label></td>
<td align="left" ><input type="checkbox" name="ext1_34"  value="시장" <?if(preg_match("/시장/", $write['wr_1'])) echo 'checked';?>><label for="ext1_34">시장</label></td>
<td align="left" ><input type="checkbox" name="ext1_35"  value="공원" <?if(preg_match("/공원/", $write['wr_1'])) echo 'checked';?>><label for="ext1_35">공원</label></td>
<td align="left" ><input type="checkbox" name="ext1_36"  value="병원" <?if(preg_match("/병원/", $write['wr_1'])) echo 'checked';?>><label for="ext1_36">병원</label></td>
      </tr>
</table></td>