请教:怎样实现从select下拉框中选择内容后网页的内容自动更新???(我只有60分了)

选择下拉框中显示的内容后,怎样使其在下面的列表中显示??

我不知道是否描述清楚了,请大虾解答,多谢了!!
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 1<html>
 2<head>
 3<meta content="text/html; charset=utf-8" http-equiv="Content-Type"/>
 4<title>无标题文档</title>
 5<script language="JavaScript" type="text/JavaScript">   
 6<!--   
 7function showit()   
 8{   
 9showarea.innerHTML=A0103.value;   
10}   
11  
12//-->   
13</script>
14</head>
15<body>
16<select id="A0103" name="A0103" onchange="showit()">
17<option value="张">张</option>
18<option value="李">李</option>
19<option value="羊">羊</option>
20<option value="管">管</option>
21</select>
22<span id="showarea"></span>
23</body>
24</html>

---------------------------------------------------------------

1<script language="javascript">   
2function ShowValue1(obj){   
3select2.options.add(new Option(obj.value,obj.value));   
4}   
5</script>
1<select name="select1" onchange="javascript:ShowValue1(this);">
2<option selected="" value="11">11</option>
3<option value="22">22</option>
4<option value="33">33</option>
5</select>
1<select multiple="" name="select2"></select>

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select.value就可以呀
下一页直接用request("Select")就可以,不过Select这个名字不好,控件的名称最好不要和关键字冲突
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请用下列代码:
1、在

1<head></head>

之间加入如下代码

1<script language="javascript">   
2function FormHeadler(){   
3var url=document.YQform.site.options[document.YQform.site.selectedIndex].value;   
4window.location.href=url;   
5  
6}   
7</script>

2、在

1<body></body>

之间加入如下代码

1<form name="YQform">
2<select name="site" onchange="FormHeadler()" size="1">
3<option value="#">请选择</option>
4<option value="url地址1">选项1</option>
5<option value="url地址2">选项2</option>
6<option value="url地址n">选项n</option>
7</select>
8</form>

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直接就可以试!

 1<html>
 2<head>
 3<title>Untitled Document</title>
 4<meta content="text/html; charset=utf-8" http-equiv="Content-Type"/>
 5</head>
 6<body bgcolor="#FFFFFF" text="#000000">
 7<form action="show.asp" method="get" name="form1">   
 8根据工作状态选择   
 9<select name="zhuangtai" onchange="document.form1.submit();">
10<option ```="" ```selected```="" end="" if="" request("zhuangtai")="1" then="" value="1"&gt;正在进行的工作&lt;/option&gt;
11&lt;option ```="" ```selected```="" end="" if="" request("zhuangtai")="2" then="" value="2">完成但未通过审核</option>
12<option ```="" ```selected```="" end="" if="" request("zhuangtai")="3" then="" value="3"&gt;完成并已通过审核&lt;/option&gt;
13&lt;/select&gt;
14&lt;/form&gt;   

if Request.QueryString("zhuangtai")="1" then

1正在进行的工作   

end if

if Request.QueryString("zhuangtai")="2" then

1完成但未通过审核   

end if

if Request.QueryString("zhuangtai")="3" then

1完成并已通过审核   

end if

1&lt;/body&gt;
2&lt;/html&gt;
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