<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script src="Scripts\jquery-1.7.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$("#selectAll").click(function () {
$("#playList :checkbox").attr("checked", true);
});
$("#unSelect").click(function () {
$("#playList :checkbox").attr("checked", false);
});
$("#reverse").click(function () {
$("#playList :checkbox").each(function () {
$(this).attr("checked", !$(this).attr("checked"));
});
});
})
</script>
</head>
<body>
<h3> ？</h3>
<div id="playList">
<input type="checkbox" value=" " /> <br/>
<input type="checkbox" value=" " /> <br/>
<input type="checkbox" value=" " /> <br/>
<input type="checkbox" value=" " /> <br/>
<input type="checkbox" value=" " /> <br/>
</div>
<input type="button" id="selectAll" value=" " />
<input type="button" id="unSelect" value=" "/>
<input type="button" id="reverse" value=" "/>
</body>
</html>
