function change(choose){
eDiv1
= document.getElementById("ediv");
if(choose.value == "104"){
eDiv1.style.display = 'block';
cmsArticleService.wzwebProduct(function(data){
DWRUtil.removeAllOptions('office');
if(data!=null&&data.length>0){
DWRUtil.addOptions('office',data,'id','articleTitle');
}else{
DWRUtil.addOptions('office',['Nothing Data...']);
}
});
}else{
DWRUtil.removeAllOptions('office');
eDiv1.style.display = 'none';
}
}
<div id="ediv" style="display:none">
<tr>
<td class="td_label">所属产品</td>
<td class="td_text">
<select name="whichProductId" id="office"> </select>
</td>
</tr>
</div>