Squeeze them is making this happen. It is an unblockable pop-up in your site which shows itself to your visitors. It is using the core elements of joomla and work on cookies which you set their expiration times.
You can download our plug-in simply by registering. Do not worry it is FREE!.
There is a new version which we did not develop but is developed by a friend named Dimitris Kouzis-Loukas. You can download it also from here after registration
Below you can watch the tutorial howto install and setup the Squeeze Them plugin to your Joomla! site.
