봇방지 kcaptcha_image 때문이죠
적용하시고자 하는 스킨에 기존 베이직스킨안에 write.skin.php 캡챠부분 복사해서 넣으시면 되요



----


<? if ($is_guest) { ?>
<tr>
    <td class=write_head><img id='kcaptcha_image' border='0' width=120 height=60 onclick="imageClick();" style="cursor:pointer;" title="글자가 잘안보이는 경우 클릭하시면 새로운 글자가 나옵니다."></td>
    <td style=padding-left:10px;><input class="type-text" type=input size=10 name=wr_key itemname="자동등록방지" required  style="width:100px;height:18px;font-family:tahoma;font-size:9pt;font-weight:bold;height:20px;padding:2px;">&nbsp;&nbsp;<span class=text-span>왼쪽의 글자를 입력하세요.</span></td>
</tr>
<tr><td colspan=2 height=1 bgcolor=#e7e7e7></td></tr>
<? } ?>









..




<script type="text/javascript"> var md5_norobot_key = ''; </script>
<script type="text/javascript" src="<?="$g4[path]/js/prototype.js"?>"></script>
<script type="text/javascript">
function imageClick() {
    var url = "<?=$g4[bbs_path]?>/kcaptcha_session.php";
    var para = "";
    var myAjax = new Ajax.Request(
        url,
        {
            method: 'post',
            asynchronous: true,
            parameters: para,
            onComplete: imageClickResult
        });
}

function imageClickResult(req) {
    var result = req.responseText;
    var img = document.createElement("IMG");
    img.setAttribute("src", "<?=$g4[bbs_path]?>/kcaptcha_image.php?t=" + (new Date).getTime());
    document.getElementById('kcaptcha_image').src = img.getAttribute('src');

    md5_norobot_key = result;
}

<? if (!$is_member) { ?>Event.observe(window, "load", imageClick);<? } ?>