Full Page Ad Gateway Script (example inside)

We want a copy of this script [login to view URL] with all the features included for example those below. This script "jumps in" when a destination url is supposed to load in the browser. It then copies the url into the "Continue to Your Image" and shows a full page ad. After 5 seconds the surfer can click the button and continue to the destination url. Some of the features: Able to set if we want the script to show ads on the 1st, 2nd or 3rd execution. Able to set how many execution of the script before it shows the ad next time. Ex. each 5th time a surfer arrives to our site. If there should be no ad then the destination link is loaded immediately. How long until the next time to load, ex once every 24h or this feature is turned OFF Which urls to display and how many percentage of the time each url should display. For example [login to view URL] 10% of the time [login to view URL] 70% of the time [login to view URL] 20% of the time This feature should be able to handle standard html code. Like an IFRAME tag and so on. I think this covers it but check out the example script link and study it carefully so you know before you bid what it is we are looking for!