This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
Who needs popups when you can use dynamic divs and layering to show your message? In addition, you can use a div, put an iframe in it, and show the new page...Setting a divs z-index to something higher than 2 should do the trick. Also, if the reference to the div (id) is maintained, you can reuse the same div over and over...just change its size and z-index to hide...(1,1 and z-index < 0)