Hello, I'm Thang from Vietnam, Have 7 years experience in PHP, CSS, HTML, XML, AJAX, programming. And many platforms such as Oscommerce, Prestashop, Yii, Joomla, Wordpress, Ossclass, PhpFox, Opencart, Cs-cart, X-cart, CubeCart...
I'm very interested in working on your project. I have strong skill on JS and can help you create a js file to make popup like you described. It will sleep in 3 hours after user click on it.
Contact me, i will give you the best service.
Looking forward to working with you.
Thank you and best regards.
Thang