WHEN is the new window supposed to open?
When the main page first loads? When the user clicks on something?
CAUTION: If you want it to happen when the page first loads, most popup blockers will block it. Most blockers only allow popups that happen because of human interaction.
An optimist sees the glass as half full.
A pessimist sees the glass as half empty.
A realist drinks it no matter how much there is.