If you haven't read Roger Lopez Ajax without Javascript take a 5 minutes break and do it. If you are not a developer and all this code makes you frightened then you are excused.
In the past few month, since Drupalcon Paris, I was busy upgrading Organic groups (a.k.a OG) to Drupal7. I'd like to give a quick overview of what has been done, what needs to be done, and the changes that came with the upgrade.
When I decided I'll use CTools for the Message module, I knew it will save me some time. I mean, everybody knows the "let's re-use the same API" concept.
If you are not familiar with the concept of 960 grid system you should be. In one sentence, 960 is a CSS framework that divides a page to 12 or 16 columns with a total of 960 pixels.