<p>
<label class="title">報名參加的兼職職位(必填項)<br/>按住Ctrl鍵可多選</label>
<select onchange="showEasyVisitBox(this)" size="10" style="width: 200px;" multiple="multiple" id="kc_selectjob" name="kc_selectjob">
<option selected="selected" value="入戶訪問員">入戶訪問員</option>
<option value="街訪訪問員">街訪訪問員</option>
<option value="街訪攔截員">街訪攔截員</option>
<option value="電話訪問員">電話訪問員</option>
<option value="神秘顧客">神秘顧客</option>
<option value="專業人士訪問員">專業人士訪問員</option>
<option value="企業深訪員">企業深訪員</option>
<option value="定性聯絡員">定性聯絡員</option>
<option value="主持人">主持人</option>
<option value="質量控制員">質量控制員</option>
<option value="數據錄入員">數據錄入員</option>
</select>
</p>
<p id="supportvisitBox" style="display: none;">
<label class="title">可提供被訪者類型</label>
</p>
<p id="easyvisitBox" style="display: none;">
<label class="title">容易接觸到的行業</label>
</p>

var oListBox = document.getElementById("kc_selectjob");

oListBox.onchange = function showEasyVisitBox(){
var oEasyvisitBox = document.getElementById("easyvisitBox");
var oSupportvisitBox = document.getElementById("supportvisitBox");
if (oListBox.options[5].selected)
{
oEasyvisitBox.style.display = "block";
}
else {
oEasyvisitBox.style.display = "none";
}

if (oListBox.options[7].selected)
{
oSupportvisitBox.style.display = "block";
}
else {
oSupportvisitBox.style.display = "none";
}

}