Anyone know where to find the code that will have a popup window only come up once on a visitor to my site...

I want to bring attention to a new special I have coming out, but when it keeps coming up, you're only gonna piss people off :)

What you're after is something which gives the user a cookie upon visiting.

The code to popup the window should check for the cookie first, if it doesn't exist, popup the window. If it does, do nothing.

Few lines of Javascript should do it, it might not be very common in the JS libraries though.

Thanks Red!