Couponic Script - PHP / Yii Framework Ajax work

need some change in the original script very simple change. when you enter to site . you see empty page that say put your email and see the deals. i want simple ajax window that show up on the main deals page and ask to put email if user click on the side of that ajax. (gray area) he will see the site. very simple work only guys that work with Couponic script bid Thanks