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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Untitled Document</title>
</head>
<script language="Javascript">
function $(id){
return document.getElementById(id);
}
function moveSel(sw){
var sel1 = $("sel1");
var sel2 = $("sel2");
if (sw == 1) {
sel1 = $("sel1");
sel2 = $("sel2");
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sel1 = $("sel2");
sel2 = $("sel1");
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var options = sel1.options;
for (var i = 0; i < options.length; i++) {
var o = options[i];
if (o.selected == true) {
sel2.appendChild(o);
}
}
}
</script>
<body>
<table width="300" border="0">
<tr>
<td width="140">
<select id="sel1" size="10" multiple="multiple">
<option value="aaaaaa">AAAAAA</option>
<option value="bbbbbb">BBBBBB</option>
<option value="cccccc">CCCCCC</option>
<option value="dddddd">DDDDDD</option>
<option value="eeeeee">EEEEEE</option>
<option value="ffffff">FFFFFF</option>
<option value="gggggg">GGGGGG</option>
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<td width="20">
<input type="button" value="添加" onclick="moveSel(1);">
<br>
<input type="button" value="删除" onclick="moveSel(0);">
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<td width="140">
<select id="sel2" size="10" multiple="multiple">
</select>
</td>
</tr>
</table>
</body>
</html>
var arr = new Array();
var options = document.getElementById("lstMySubject").options;
for(var i=0; i<options.length;i++){
var o=options[i];
if(o.selected == true ){
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}
}