input + select 输入框加上拉框 _Web前端

input + select 输入框加下拉框
<body> 
<p>aaaaaaaaaaaaaaa</p>

<table>
<tr>
<td width="110" align="right">企业类型：</td>
          <td width="280" align="left">
				<div id="cdiv" style="position:relative;width: 172;height: 24"  class=""> 
					<span style="margin-left:172px;width:18px;overflow:hidden"> 
					<select style="width:190px;margin-left:-172px" onchange="this.parentNode.nextSibling.value=this.value"  id="selecttype"> 
						<option value="国  有">国  有</option>
						<option value="独  资">独  资</option>
						<option value="中外合资">中外合资</option>
						<option value="国内合资">国内合资    </option>
						<option value="个体户">个体户</option>
						<option value="其  他">其  他</option>
					</select>
					</span>
					<input id="vccorptype" name="tbp.vccorptype" style="width:172px;position:absolute;left:0px"> 
				</div> 
		</td>
</tr>

</table>
</body>