The Effects panel was introduced in InDesign CS3. Thus you won't find it in your almost 10-year-old version of InDesign CS2.
You need to get a subscription to InDesign CC, the Creative Cloud version which is up-to-date.
Merry Christmas Steve!
This is what I feared! OK great thanks for confirming, I will look into this now
Merry Christmas, Derek and all!
I didn't really remember when the Effects panel came out but James Wamser's invaluable InDesign New Features Guide document told me.
Here's a link to the new Publish Online version: