[How To?] Pop up window

[noura]

Hello

Is there a HTML/Javascript code that I can insert in my forum, and when visitors visit it a pop up windows appear.

Thank you
___________________________________________
EDIT:

One more thing, I want that the script open the pop window only 1 time for each IP

[Paul H.]

http://www.quirksmode.org/js/popup.html

[noura]

Solution:

<SCRIPT LANGUAGE="JavaScript">
<!--
window.open ('fenetre_popup.html')
-->
</SCRIPT> 

********

Thank you Paul

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One more thing, I want that the script open the pop window only 1 time for each IP