抄自IE的help

The default settings for the pop-up blocker allow you to see pop-ups that are opened when you click a link or button on a Web site. There might be some Web sites that you visit on a regular basis, and you want to see the pop-ups displayed by those sites. Just follow the steps below:

Open Internet Explorer.
On the Tools menu, point to Pop-up Blocker, and then click Pop-up Blocker Settings.
In the Address of Web site to allow box, type the address (or URL) of the Web site you want to see pop-ups from, and then click Add.