Try window.opener.reload(true);
EDIT
----------------
I have created a sample for you
Parent.htm
<html>
<head>
<script language="javascript">
var d=new Date();
document.write(d);
</script>
</head>
<body>
<input type="button" value="open popup" onclick="window.open('pop1.htm')"/>
</body>
</html>
Pop1.htm
<html>
<head>
<script language="javascript">
var d=new Date();
document.write(d);
</script>
</head>
<body>
<input type="button" value="open popup" onclick="window.open('pop2.htm')"/>
<input type="button" value="close popup" onclick="self.close(); window.opener.location.reload(false); "/>
</body>
</html>
Pop2.htm
<html>
<head>
</head>
<body>
<input type="button" value="open popup" onclick="window.open('pop2.htm')"/>
<input type="button" value="close popup" onclick="self.close(); window.opener.location.reload(false); "/>
</body>
</html>