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<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<title>无标题文档</title>
</head>
<body>
<div id='friendslist'>
<input type='checkbox' name='hurr' value='durr1'>durr1
<input type='checkbox' name='hurr' value='durr2'>durr2
<input type='checkbox' name='hurr' value='durr3'>durr3
</div>
<input type='checkbox' id='selectall' />Select All
<script type="text/javascript">
jQuery(function($){
$('#selectall').click(function(){
if(this.checked){
$('#friendslist').find(':checkbox').attr('checked',true);
}else{
$('#friendslist').find(':checkbox').removeAttr('checked');
}
//$('#friendslist').find(':checkbox').attr('checked', this.checked);
});
});
</script>
</body>
</html>