<script>function copy()
{
document.f.s2.options.length=0
for(i=0;i<document.f.s1.options.length;i++)
document.f.s2.options[document.f.s2.options.length] = new Option(document.f.s1.options[i].text,document.f.s1.options[i].value)
}
</script>
<form name=f>
<select name=s1>
<option value=a>aa
<option value=b>bb
<option value=c>cc
</select>
<input type=button onclick=copy() value=copy>
<select name=s2>
<option value=1>11
<option value=2b>22
<option value=3>33
</select>
</form>
{
document.f.s2.options.length=0
for(i=0;i<document.f.s1.options.length;i++)
document.f.s2.options[document.f.s2.options.length] = new Option(document.f.s1.options[i].text,document.f.s1.options[i].value)
}
</script>
<form name=f>
<select name=s1>
<option value=a>aa
<option value=b>bb
<option value=c>cc
</select>
<input type=button onclick=copy() value=copy>
<select name=s2>
<option value=1>11
<option value=2b>22
<option value=3>33
</select>
</form>
http://jkisjk.vip.sina.com/html/moveRightOrLeft.htm
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>made by meixx</title>
<script language="javascript">
<!--
function Add(ObjSource,ObjTarget){
for(var i=ObjSource.length-1;i>=0;i--){
if(ObjSource.options[i].selected){
var opt=document.createElement("OPTION");
ObjTarget.add(opt);
opt.value=ObjSource.options[i].value;
opt.text=ObjSource.options[i].text;
ObjSource.options.removeChild(ObjSource.options[i]);
opt.selected=true;
}
}
/*
for(var i=0;i<ObjSource.length;i++){
if(ObjSource.options[i].selected){
var opt=document.createElement("OPTION");
ObjTarget.add(opt);
opt.value=ObjSource.options[i].value;
opt.text=ObjSource.options[i].text;
ObjSource.options.removeChild(ObjSource.options[i--]);
opt.selected=true;
}
}*/
}
function AddAll(ObjSource,ObjTarget){
SelectAll(ObjSource);
Add(ObjSource,ObjTarget);
}
function SelectAll(ObjSource){
for(var i=0;i<ObjSource.length;i++){
ObjSource.options[i].selected=true;
}
}function doSubmit(){
SelectAll(frmDisplay.dltTarget);
//frmDisplay.action="";//设置form 提交的action
alert(frmDisplay.action);
//frmDisplay.submit();//取消注释即可,提交上去的options
}
//->
</script>
</head><body>
<table width="350" border="1" style="border-collapse:collapse " bordercolor="#111111" cellpadding="0" cellspacing="0">
<tr>
<td width="150">
<select name="dltSource" size="10" multiple style="width:100% ">
<option value="0">辽宁</option>
<option value="0">黑龙江</option>
<option value="0">吉林</option>
<option value="0">河北</option>
<option value="0">河南</option>
<option value="0">江苏</option>
<option value="0">浙江</option>
<option value="0">海南</option>
<option value="0">福建</option>
<option value="0">山东</option>
<option value="0">青海</option>
<option value="0">宁夏</option>
<option value="0">内蒙古</option>
<option value="0">新疆</option>
<option value="0">陕西</option>
</select>
</td>
<td width="50" valign="middle">
<p style="width:100%" align="center"><input type="button" value="->" onClick="Add(document.all.dltSource,frmDisplay.dltTarget)" title="添加"></p>
<p style="width:100%" align="center"><input type="button" value="=>" onClick="AddAll(document.all.dltSource,frmDisplay.dltTarget)" title="添加全部"></p>
<p style="width:100%" align="center"><input type="button" value="<-" onClick="Add(frmDisplay.dltTarget,document.all.dltSource)" title="删除"></p>
<p style="width:100%" align="center"><input type="button" value="<=" onClick="AddAll(frmDisplay.dltTarget,document.all.dltSource)" title="删除全部"></p>
</td>
<td width="150">
<form id="frmDisplay" action="xxx.jsp" method="post" style="margin:0 ">
<select name="dltTarget" size="10" multiple style="width:100% "></select>
</form>
</td>
</tr>
<tr>
<td align="center">作者:梅雪香</td>
<td align="center">ver:1.0</td>
<td align="center">
<input type="reset" onClick="javascript:window.location.reload();" value="重置">
<input type="button" value="提交" onClick="doSubmit()">
</td>
</tr>
</table></body>
</html>
<head>
<title>New Page 1</title>
</head>
<body>
<form method="POST" action="--WEBBOT-SELF--" name="form1"> <p><select size="1" name="A">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select><select size="1" name="B">
<option value="a">a</option>
<option value="b">b</option>
<option value="c">c</option>
<option>d</option>
</select><input type="button" value="复制" name="B1" onclick="javascript:copy_fun();"></p>
</form>
<p></body>
<script language="javascript">
function copy_fun()
{
//清空B所有选项
while (form1.B.options[0]!=null)
{
form1.B.options[0]=null;
}
//将A列表复制到B列表
for (var i=0; i<form1.A.options.length; i++)
{
form1.B.options[i]=new Option(form1.A.options[i].text,form1.A.options[i].value);
}}
</script>
</html>