86657 Redirect Script

I need to set up is a redirecting url script with pop-under/pop-up ability. First input: main URL [login to view URL] (where traffic is directed) Second input: Pop Under URL [login to view URL] Third input: Pop Up URL [login to view URL] Check box 1: enable pop-under Check box 2: enable pop-up Out put: [login to view URL] or [login to view URL] - URL I can direct traffic to via search engines, banners.