Script Pop Under

Script Pop Under
I need Script to open Pop Under when visitor make any action on the website, for example a search or a simple mouse touch. With this method, pop under not be blocked by the web browsers.

Script how CPX Interactive pop up in this page:
easy-share.com/1908621967/89.jpg.html

This CPX script is .js but I need the code in PHP.

Questions or more details, please PMB.

For select a bid, I need see example of script working.

Thanks.