Make uninstaller open webpage?

[roc13x]

What code do I use to make my uninstaller open a website in IE after the uninstall is complete?

[Animaether]

Function un.onUninstSuccess
ExecShell open "http://www.winamp.com/"

Note that the above may open the URL in the user's current window/tab. Use the following to open in a new window/tab:
http://nsis.sourceforge.net/Open_link_in_new_browser_window