Working popunder script on Chrome 30
Download source code from https://github.com/hpbuniat/jquery-popunder
Not Working on Chrome 31
Example script..
this example Popunder went user click any element on your website.
<html>
<head>
<title>Popunder script</title>
<script src="src/jquery.min.js" ></script>
<script src="src/jquery.popunder.js" ></script>
</head>
<body>
</body>
<script>
window.aOnePopunder[..]