check up on it

Open a window (DHTML) and keep that pop up window centered on the visitors page

Animated DHTML pop up scripts are very popular with site owners

Highly affordable and highly effective pop-up blocking software for I.E.

Follow-Up Mailing List Processor is a specialized mailing list software.

This gives you the javascript code to force a print box up on the users browser.

Blow Up - offers the highest quality image resizing available

It shows how to open a pop up window from a link.

AJAX web 2.0 pop-up box is amodal dialogs or even wizards

This is a function for PHP scripts to clean up HTML code before outputting it.

Automatically send follow up emails from Outlook.