>>>I have the recent version, but one was Java and another non-Java. I've downloaded the smaller version...
>>
>>This opens a new window. If you don't see anything, that's because there is a popup blocker.
>
>Here is my current list of sites allowed to use popups:
>levelextreme.com
>levelextreme.com
>netzero.net
>
>What should I add to make it work?
In Opera, under Tools | Quick Preferences, there is an option - default, I think - "Block unwanted popups". AFAIK, this will open popups if you asked for them by clicking somewhere.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)